Merge changes I077cb946,Ice0f806c,I3582ae0a

* changes:
  OCL2AC to Henshin: tool plug-in.
  Change-Id: I0000000000000000000000000000000000000000
  test for preparing the integration of OCL2AC into Henshin
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/.classpath b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/.classpath
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index 0000000..22f3064
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/.project b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/.project
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index 0000000..fbf08cb
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+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/.project
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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>de.unimarburg.swt.ocl2ac.model.edit</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.PluginNature</nature>
+	</natures>
+</projectDescription>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/META-INF/MANIFEST.MF b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/META-INF/MANIFEST.MF
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index 0000000..5ff2dd7
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/META-INF/MANIFEST.MF
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+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: %pluginName
+Bundle-SymbolicName: de.unimarburg.swt.ocl2ac.model.edit;singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-ClassPath: .
+Bundle-Activator: nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin$Implementation
+Bundle-Vendor: %providerName
+Bundle-Localization: plugin
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Export-Package: graph.provider,
+ laxcondition.provider,
+ nestedcondition.provider,
+ nestedconstraintmodel.provider
+Require-Bundle: org.eclipse.core.runtime,
+ de.unimarburg.swt.ocl2ac.model;visibility:=reexport,
+ org.eclipse.emf.edit;visibility:=reexport
+Bundle-ActivationPolicy: lazy
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/build.properties b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/build.properties
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index 0000000..6e3e902
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+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/build.properties
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+#
+
+bin.includes = .,\
+               icons/,\
+               META-INF/,\
+               plugin.xml,\
+               plugin.properties
+jars.compile.order = .
+source.. = src/
+output.. = bin/
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/icons/full/ctool16/CreateCondition_laxCondition_Formula.gif b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/icons/full/ctool16/CreateCondition_laxCondition_Formula.gif
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diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/icons/full/obj16/True.gif b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/icons/full/obj16/True.gif
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index 0000000..45731fe
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/icons/full/obj16/True.gif
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/icons/full/obj16/Variable.gif b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/icons/full/obj16/Variable.gif
new file mode 100644
index 0000000..83afb9b
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/icons/full/obj16/Variable.gif
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/plugin.properties b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/plugin.properties
new file mode 100644
index 0000000..d60996e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/plugin.properties
@@ -0,0 +1,95 @@
+#
+
+pluginName = Nestedconstraintmodel Edit Support
+providerName = www.example.org
+
+_UI_CreateChild_text = {0}
+_UI_CreateChild_text2 = {1} {0}
+_UI_CreateChild_text3 = {1}
+_UI_CreateChild_tooltip = Create New {0} Under {1} Feature
+_UI_CreateChild_description = Create a new child of type {0} for the {1} feature of the selected {2}.
+_UI_CreateSibling_description = Create a new sibling of type {0} for the selected {2}, under the {1} feature of their parent.
+
+_UI_PropertyDescriptor_description = The {0} of the {1}
+
+_UI_NestedConstraintModel_type = Nested Constraint Model
+_UI_NestedConstraint_type = Nested Constraint
+_UI_NestedCondition_type = Nested Condition
+_UI_Variable_type = Variable
+_UI_QuantifiedCondition_type = Quantified Condition
+_UI_True_type = True
+_UI_Formula_type = Formula
+_UI_Morphism_type = Morphism
+_UI_NodeMapping_type = Node Mapping
+_UI_EdgeMapping_type = Edge Mapping
+_UI_Graph_type = Graph
+_UI_Node_type = Node
+_UI_Edge_type = Edge
+_UI_Attribute_type = Attribute
+_UI_Condition_type = Condition
+_UI_LaxCondition_type = Lax Condition
+_UI_QuantifiedLaxCondition_type = Quantified Lax Condition
+_UI_True_type = True
+_UI_Formula_type = Formula
+_UI_Variable_type = Variable
+_UI_Unknown_type = Object
+
+_UI_Unknown_datatype= Value
+
+_UI_NestedConstraintModel_name_feature = Name
+_UI_NestedConstraintModel_nestedconstrainmodels_feature = Nestedconstrainmodels
+_UI_NestedConstraint_name_feature = Name
+_UI_NestedConstraint_typeGraph_feature = Type Graph
+_UI_NestedConstraint_condition_feature = Condition
+_UI_NestedConstraint_domain_feature = Domain
+_UI_NestedCondition_variables_feature = Variables
+_UI_NestedCondition_domain_feature = Domain
+_UI_Variable_name_feature = Name
+_UI_QuantifiedCondition_quantifier_feature = Quantifier
+_UI_QuantifiedCondition_condition_feature = Condition
+_UI_QuantifiedCondition_morphism_feature = Morphism
+_UI_QuantifiedCondition_codomain_feature = Codomain
+_UI_Formula_operator_feature = Operator
+_UI_Formula_arguments_feature = Arguments
+_UI_Morphism_nodeMappings_feature = Node Mappings
+_UI_Morphism_from_feature = From
+_UI_Morphism_to_feature = To
+_UI_Morphism_edgeMappings_feature = Edge Mappings
+_UI_NodeMapping_origin_feature = Origin
+_UI_NodeMapping_image_feature = Image
+_UI_EdgeMapping_origin_feature = Origin
+_UI_EdgeMapping_image_feature = Image
+_UI_Graph_edges_feature = Edges
+_UI_Graph_nodes_feature = Nodes
+_UI_Graph_typegraph_feature = Typegraph
+_UI_Graph_name_feature = Name
+_UI_Node_attributes_feature = Attributes
+_UI_Node_outgoing_feature = Outgoing
+_UI_Node_name_feature = Name
+_UI_Node_incoming_feature = Incoming
+_UI_Node_type_feature = Type
+_UI_Edge_source_feature = Source
+_UI_Edge_target_feature = Target
+_UI_Edge_type_feature = Type
+_UI_Attribute_op_feature = Op
+_UI_Attribute_value_feature = Value
+_UI_Attribute_type_feature = Type
+_UI_Condition_typeGraph_feature = Type Graph
+_UI_Condition_name_feature = Name
+_UI_Condition_laxCondition_feature = Lax Condition
+_UI_LaxCondition_formula_feature = Formula
+_UI_QuantifiedLaxCondition_graph_feature = Graph
+_UI_QuantifiedLaxCondition_condition_feature = Condition
+_UI_QuantifiedLaxCondition_quantifier_feature = Quantifier
+_UI_QuantifiedLaxCondition_variables_feature = Variables
+_UI_Formula_op_feature = Op
+_UI_Unknown_feature = Unspecified
+
+_UI_Quantifier_EXISTS_literal = EXISTS
+_UI_Quantifier_FORALL_literal = FORALL
+_UI_Operator_NOT_literal = NOT
+_UI_Operator_AND_literal = AND
+_UI_Operator_OR_literal = OR
+_UI_Operator_IMPLIES_literal = IMPLIES
+_UI_Operator_EQUIVALENT_literal = EQUIVALENT
+_UI_Operator_XOR_literal = XOR
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/plugin.xml b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/plugin.xml
new file mode 100644
index 0000000..c416f6c
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/plugin.xml
@@ -0,0 +1,61 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<!--
+-->
+
+<plugin>
+
+   <extension point="org.eclipse.emf.edit.itemProviderAdapterFactories">
+      <!-- @generated nestedconstraintmodel -->
+      <factory
+            uri="http://www.example.org/nestedconstraintmodel"
+            class="nestedconstraintmodel.provider.NestedconstraintmodelItemProviderAdapterFactory"
+            supportedTypes=
+              "org.eclipse.emf.edit.provider.IEditingDomainItemProvider
+               org.eclipse.emf.edit.provider.IStructuredItemContentProvider
+               org.eclipse.emf.edit.provider.ITreeItemContentProvider
+               org.eclipse.emf.edit.provider.IItemLabelProvider
+               org.eclipse.emf.edit.provider.IItemPropertySource"/>
+   </extension>
+
+   <extension point="org.eclipse.emf.edit.itemProviderAdapterFactories">
+      <!-- @generated nestedconstraintmodel -->
+      <factory
+            uri="http://www.example.org/nestedcondition"
+            class="nestedcondition.provider.NestedconditionItemProviderAdapterFactory"
+            supportedTypes=
+              "org.eclipse.emf.edit.provider.IEditingDomainItemProvider
+               org.eclipse.emf.edit.provider.IStructuredItemContentProvider
+               org.eclipse.emf.edit.provider.ITreeItemContentProvider
+               org.eclipse.emf.edit.provider.IItemLabelProvider
+               org.eclipse.emf.edit.provider.IItemPropertySource"/>
+   </extension>
+
+   <extension point="org.eclipse.emf.edit.itemProviderAdapterFactories">
+      <!-- @generated nestedconstraintmodel -->
+      <factory
+            uri="http://www.example.org/graph"
+            class="graph.provider.GraphItemProviderAdapterFactory"
+            supportedTypes=
+              "org.eclipse.emf.edit.provider.IEditingDomainItemProvider
+               org.eclipse.emf.edit.provider.IStructuredItemContentProvider
+               org.eclipse.emf.edit.provider.ITreeItemContentProvider
+               org.eclipse.emf.edit.provider.IItemLabelProvider
+               org.eclipse.emf.edit.provider.IItemPropertySource"/>
+   </extension>
+
+   <extension point="org.eclipse.emf.edit.itemProviderAdapterFactories">
+      <!-- @generated nestedconstraintmodel -->
+      <factory
+            uri="http://www.example.org/laxcondition"
+            class="laxcondition.provider.LaxconditionItemProviderAdapterFactory"
+            supportedTypes=
+              "org.eclipse.emf.edit.provider.IEditingDomainItemProvider
+               org.eclipse.emf.edit.provider.IStructuredItemContentProvider
+               org.eclipse.emf.edit.provider.ITreeItemContentProvider
+               org.eclipse.emf.edit.provider.IItemLabelProvider
+               org.eclipse.emf.edit.provider.IItemPropertySource"/>
+   </extension>
+
+</plugin>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/AttributeItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/AttributeItemProvider.java
new file mode 100644
index 0000000..ff5106f
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/AttributeItemProvider.java
@@ -0,0 +1,207 @@
+/**
+ */
+package graph.provider;
+
+
+import graph.Attribute;
+import graph.GraphPackage;
+
+import java.util.Collection;
+import java.util.List;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link graph.Attribute} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class AttributeItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public AttributeItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addOpPropertyDescriptor(object);
+			addValuePropertyDescriptor(object);
+			addTypePropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Op feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addOpPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Attribute_op_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Attribute_op_feature", "_UI_Attribute_type"),
+				 GraphPackage.Literals.ATTRIBUTE__OP,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the Value feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addValuePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Attribute_value_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Attribute_value_feature", "_UI_Attribute_type"),
+				 GraphPackage.Literals.ATTRIBUTE__VALUE,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the Type feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addTypePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Attribute_type_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Attribute_type_feature", "_UI_Attribute_type"),
+				 GraphPackage.Literals.ATTRIBUTE__TYPE,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This returns Attribute.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/Attribute"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		String label = ((Attribute)object).getOp();
+		return label == null || label.length() == 0 ?
+			getString("_UI_Attribute_type") :
+			getString("_UI_Attribute_type") + " " + label;
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(Attribute.class)) {
+			case GraphPackage.ATTRIBUTE__OP:
+			case GraphPackage.ATTRIBUTE__VALUE:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/EdgeItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/EdgeItemProvider.java
new file mode 100644
index 0000000..656d0f3
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/EdgeItemProvider.java
@@ -0,0 +1,194 @@
+/**
+ */
+package graph.provider;
+
+
+import graph.GraphPackage;
+
+import java.util.Collection;
+import java.util.List;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+
+/**
+ * This is the item provider adapter for a {@link graph.Edge} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class EdgeItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EdgeItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addSourcePropertyDescriptor(object);
+			addTargetPropertyDescriptor(object);
+			addTypePropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Source feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addSourcePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Edge_source_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Edge_source_feature", "_UI_Edge_type"),
+				 GraphPackage.Literals.EDGE__SOURCE,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the Target feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addTargetPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Edge_target_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Edge_target_feature", "_UI_Edge_type"),
+				 GraphPackage.Literals.EDGE__TARGET,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the Type feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addTypePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Edge_type_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Edge_type_feature", "_UI_Edge_type"),
+				 GraphPackage.Literals.EDGE__TYPE,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This returns Edge.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/Edge"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		return getString("_UI_Edge_type");
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/GraphItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/GraphItemProvider.java
new file mode 100644
index 0000000..eacaa2c
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/GraphItemProvider.java
@@ -0,0 +1,231 @@
+/**
+ */
+package graph.provider;
+
+
+import graph.Graph;
+import graph.GraphFactory;
+import graph.GraphPackage;
+
+import java.util.Collection;
+import java.util.List;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link graph.Graph} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class GraphItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GraphItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addTypegraphPropertyDescriptor(object);
+			addNamePropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Typegraph feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addTypegraphPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Graph_typegraph_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Graph_typegraph_feature", "_UI_Graph_type"),
+				 GraphPackage.Literals.GRAPH__TYPEGRAPH,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the Name feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addNamePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Graph_name_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Graph_name_feature", "_UI_Graph_type"),
+				 GraphPackage.Literals.GRAPH__NAME,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
+	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
+	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+		if (childrenFeatures == null) {
+			super.getChildrenFeatures(object);
+			childrenFeatures.add(GraphPackage.Literals.GRAPH__EDGES);
+			childrenFeatures.add(GraphPackage.Literals.GRAPH__NODES);
+		}
+		return childrenFeatures;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EStructuralFeature getChildFeature(Object object, Object child) {
+		// Check the type of the specified child object and return the proper feature to use for
+		// adding (see {@link AddCommand}) it as a child.
+
+		return super.getChildFeature(object, child);
+	}
+
+	/**
+	 * This returns Graph.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/Graph"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		String label = ((Graph)object).getName();
+		return label == null || label.length() == 0 ?
+			getString("_UI_Graph_type") :
+			getString("_UI_Graph_type") + " " + label;
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(Graph.class)) {
+			case GraphPackage.GRAPH__NAME:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+				return;
+			case GraphPackage.GRAPH__EDGES:
+			case GraphPackage.GRAPH__NODES:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+
+		newChildDescriptors.add
+			(createChildParameter
+				(GraphPackage.Literals.GRAPH__EDGES,
+				 GraphFactory.eINSTANCE.createEdge()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(GraphPackage.Literals.GRAPH__NODES,
+				 GraphFactory.eINSTANCE.createNode()));
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/GraphItemProviderAdapterFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/GraphItemProviderAdapterFactory.java
new file mode 100644
index 0000000..573a739
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/GraphItemProviderAdapterFactory.java
@@ -0,0 +1,271 @@
+/**
+ */
+package graph.provider;
+
+import graph.util.GraphAdapterFactory;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.edit.provider.ChangeNotifier;
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
+import org.eclipse.emf.edit.provider.IChangeNotifier;
+import org.eclipse.emf.edit.provider.IDisposable;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.INotifyChangedListener;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+
+/**
+ * This is the factory that is used to provide the interfaces needed to support Viewers.
+ * The adapters generated by this factory convert EMF adapter notifications into calls to {@link #fireNotifyChanged fireNotifyChanged}.
+ * The adapters also support Eclipse property sheets.
+ * Note that most of the adapters are shared among multiple instances.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class GraphItemProviderAdapterFactory extends GraphAdapterFactory implements ComposeableAdapterFactory, IChangeNotifier, IDisposable {
+	/**
+	 * This keeps track of the root adapter factory that delegates to this adapter factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ComposedAdapterFactory parentAdapterFactory;
+
+	/**
+	 * This is used to implement {@link org.eclipse.emf.edit.provider.IChangeNotifier}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IChangeNotifier changeNotifier = new ChangeNotifier();
+
+	/**
+	 * This keeps track of all the supported types checked by {@link #isFactoryForType isFactoryForType}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Object> supportedTypes = new ArrayList<Object>();
+
+	/**
+	 * This constructs an instance.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GraphItemProviderAdapterFactory() {
+		supportedTypes.add(IEditingDomainItemProvider.class);
+		supportedTypes.add(IStructuredItemContentProvider.class);
+		supportedTypes.add(ITreeItemContentProvider.class);
+		supportedTypes.add(IItemLabelProvider.class);
+		supportedTypes.add(IItemPropertySource.class);
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link graph.Graph} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected GraphItemProvider graphItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link graph.Graph}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createGraphAdapter() {
+		if (graphItemProvider == null) {
+			graphItemProvider = new GraphItemProvider(this);
+		}
+
+		return graphItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link graph.Node} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NodeItemProvider nodeItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link graph.Node}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createNodeAdapter() {
+		if (nodeItemProvider == null) {
+			nodeItemProvider = new NodeItemProvider(this);
+		}
+
+		return nodeItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link graph.Edge} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected EdgeItemProvider edgeItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link graph.Edge}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createEdgeAdapter() {
+		if (edgeItemProvider == null) {
+			edgeItemProvider = new EdgeItemProvider(this);
+		}
+
+		return edgeItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link graph.Attribute} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected AttributeItemProvider attributeItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link graph.Attribute}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createAttributeAdapter() {
+		if (attributeItemProvider == null) {
+			attributeItemProvider = new AttributeItemProvider(this);
+		}
+
+		return attributeItemProvider;
+	}
+
+	/**
+	 * This returns the root adapter factory that contains this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ComposeableAdapterFactory getRootAdapterFactory() {
+		return parentAdapterFactory == null ? this : parentAdapterFactory.getRootAdapterFactory();
+	}
+
+	/**
+	 * This sets the composed adapter factory that contains this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setParentAdapterFactory(ComposedAdapterFactory parentAdapterFactory) {
+		this.parentAdapterFactory = parentAdapterFactory;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean isFactoryForType(Object type) {
+		return supportedTypes.contains(type) || super.isFactoryForType(type);
+	}
+
+	/**
+	 * This implementation substitutes the factory itself as the key for the adapter.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter adapt(Notifier notifier, Object type) {
+		return super.adapt(notifier, this);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object adapt(Object object, Object type) {
+		if (isFactoryForType(type)) {
+			Object adapter = super.adapt(object, type);
+			if (!(type instanceof Class<?>) || (((Class<?>)type).isInstance(adapter))) {
+				return adapter;
+			}
+		}
+
+		return null;
+	}
+
+	/**
+	 * This adds a listener.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void addListener(INotifyChangedListener notifyChangedListener) {
+		changeNotifier.addListener(notifyChangedListener);
+	}
+
+	/**
+	 * This removes a listener.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void removeListener(INotifyChangedListener notifyChangedListener) {
+		changeNotifier.removeListener(notifyChangedListener);
+	}
+
+	/**
+	 * This delegates to {@link #changeNotifier} and to {@link #parentAdapterFactory}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void fireNotifyChanged(Notification notification) {
+		changeNotifier.fireNotifyChanged(notification);
+
+		if (parentAdapterFactory != null) {
+			parentAdapterFactory.fireNotifyChanged(notification);
+		}
+	}
+
+	/**
+	 * This disposes all of the item providers created by this factory. 
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void dispose() {
+		if (graphItemProvider != null) graphItemProvider.dispose();
+		if (nodeItemProvider != null) nodeItemProvider.dispose();
+		if (edgeItemProvider != null) edgeItemProvider.dispose();
+		if (attributeItemProvider != null) attributeItemProvider.dispose();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/NodeItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/NodeItemProvider.java
new file mode 100644
index 0000000..8d97b97
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/graph/provider/NodeItemProvider.java
@@ -0,0 +1,270 @@
+/**
+ */
+package graph.provider;
+
+
+import graph.GraphFactory;
+import graph.GraphPackage;
+import graph.Node;
+
+import java.util.Collection;
+import java.util.List;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link graph.Node} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NodeItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NodeItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addOutgoingPropertyDescriptor(object);
+			addNamePropertyDescriptor(object);
+			addIncomingPropertyDescriptor(object);
+			addTypePropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Outgoing feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addOutgoingPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Node_outgoing_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Node_outgoing_feature", "_UI_Node_type"),
+				 GraphPackage.Literals.NODE__OUTGOING,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the Name feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addNamePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Node_name_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Node_name_feature", "_UI_Node_type"),
+				 GraphPackage.Literals.NODE__NAME,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the Incoming feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addIncomingPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Node_incoming_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Node_incoming_feature", "_UI_Node_type"),
+				 GraphPackage.Literals.NODE__INCOMING,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the Type feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addTypePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Node_type_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Node_type_feature", "_UI_Node_type"),
+				 GraphPackage.Literals.NODE__TYPE,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
+	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
+	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+		if (childrenFeatures == null) {
+			super.getChildrenFeatures(object);
+			childrenFeatures.add(GraphPackage.Literals.NODE__ATTRIBUTES);
+		}
+		return childrenFeatures;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EStructuralFeature getChildFeature(Object object, Object child) {
+		// Check the type of the specified child object and return the proper feature to use for
+		// adding (see {@link AddCommand}) it as a child.
+
+		return super.getChildFeature(object, child);
+	}
+
+	/**
+	 * This returns Node.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/Node"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		String label = ((Node)object).getName();
+		return label == null || label.length() == 0 ?
+			getString("_UI_Node_type") :
+			getString("_UI_Node_type") + " " + label;
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(Node.class)) {
+			case GraphPackage.NODE__NAME:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+				return;
+			case GraphPackage.NODE__ATTRIBUTES:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+
+		newChildDescriptors.add
+			(createChildParameter
+				(GraphPackage.Literals.NODE__ATTRIBUTES,
+				 GraphFactory.eINSTANCE.createAttribute()));
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/ConditionItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/ConditionItemProvider.java
new file mode 100644
index 0000000..2281188
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/ConditionItemProvider.java
@@ -0,0 +1,234 @@
+/**
+ */
+package laxcondition.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import laxcondition.Condition;
+import laxcondition.LaxconditionFactory;
+import laxcondition.LaxconditionPackage;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link laxcondition.Condition} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class ConditionItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ConditionItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addTypeGraphPropertyDescriptor(object);
+			addNamePropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Type Graph feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addTypeGraphPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Condition_typeGraph_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Condition_typeGraph_feature", "_UI_Condition_type"),
+				 LaxconditionPackage.Literals.CONDITION__TYPE_GRAPH,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the Name feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addNamePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Condition_name_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Condition_name_feature", "_UI_Condition_type"),
+				 LaxconditionPackage.Literals.CONDITION__NAME,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
+	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
+	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+		if (childrenFeatures == null) {
+			super.getChildrenFeatures(object);
+			childrenFeatures.add(LaxconditionPackage.Literals.CONDITION__LAX_CONDITION);
+		}
+		return childrenFeatures;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EStructuralFeature getChildFeature(Object object, Object child) {
+		// Check the type of the specified child object and return the proper feature to use for
+		// adding (see {@link AddCommand}) it as a child.
+
+		return super.getChildFeature(object, child);
+	}
+
+	/**
+	 * This returns Condition.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/Condition"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		String label = ((Condition)object).getName();
+		return label == null || label.length() == 0 ?
+			getString("_UI_Condition_type") :
+			getString("_UI_Condition_type") + " " + label;
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(Condition.class)) {
+			case LaxconditionPackage.CONDITION__NAME:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+				return;
+			case LaxconditionPackage.CONDITION__LAX_CONDITION:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+
+		newChildDescriptors.add
+			(createChildParameter
+				(LaxconditionPackage.Literals.CONDITION__LAX_CONDITION,
+				 LaxconditionFactory.eINSTANCE.createQuantifiedLaxCondition()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(LaxconditionPackage.Literals.CONDITION__LAX_CONDITION,
+				 LaxconditionFactory.eINSTANCE.createTrue()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(LaxconditionPackage.Literals.CONDITION__LAX_CONDITION,
+				 LaxconditionFactory.eINSTANCE.createFormula()));
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/FormulaItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/FormulaItemProvider.java
new file mode 100644
index 0000000..66f73f8
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/FormulaItemProvider.java
@@ -0,0 +1,185 @@
+/**
+ */
+package laxcondition.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import laxcondition.Formula;
+import laxcondition.LaxconditionFactory;
+import laxcondition.LaxconditionPackage;
+import laxcondition.Operator;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link laxcondition.Formula} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class FormulaItemProvider extends LaxConditionItemProvider {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public FormulaItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addOpPropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Op feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addOpPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Formula_op_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Formula_op_feature", "_UI_Formula_type"),
+				 LaxconditionPackage.Literals.FORMULA__OP,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
+	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
+	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+		if (childrenFeatures == null) {
+			super.getChildrenFeatures(object);
+			childrenFeatures.add(LaxconditionPackage.Literals.FORMULA__ARGUMENTS);
+		}
+		return childrenFeatures;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EStructuralFeature getChildFeature(Object object, Object child) {
+		// Check the type of the specified child object and return the proper feature to use for
+		// adding (see {@link AddCommand}) it as a child.
+
+		return super.getChildFeature(object, child);
+	}
+
+	/**
+	 * This returns Formula.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/Formula"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		Operator labelValue = ((Formula)object).getOp();
+		String label = labelValue == null ? null : labelValue.toString();
+		return label == null || label.length() == 0 ?
+			getString("_UI_Formula_type") :
+			getString("_UI_Formula_type") + " " + label;
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(Formula.class)) {
+			case LaxconditionPackage.FORMULA__OP:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+				return;
+			case LaxconditionPackage.FORMULA__ARGUMENTS:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+
+		newChildDescriptors.add
+			(createChildParameter
+				(LaxconditionPackage.Literals.FORMULA__ARGUMENTS,
+				 LaxconditionFactory.eINSTANCE.createQuantifiedLaxCondition()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(LaxconditionPackage.Literals.FORMULA__ARGUMENTS,
+				 LaxconditionFactory.eINSTANCE.createTrue()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(LaxconditionPackage.Literals.FORMULA__ARGUMENTS,
+				 LaxconditionFactory.eINSTANCE.createFormula()));
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/LaxConditionItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/LaxConditionItemProvider.java
new file mode 100644
index 0000000..70be7e9
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/LaxConditionItemProvider.java
@@ -0,0 +1,111 @@
+/**
+ */
+package laxcondition.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+
+/**
+ * This is the item provider adapter for a {@link laxcondition.LaxCondition} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class LaxConditionItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LaxConditionItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		return getString("_UI_LaxCondition_type");
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/LaxconditionItemProviderAdapterFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/LaxconditionItemProviderAdapterFactory.java
new file mode 100644
index 0000000..e05adde
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/LaxconditionItemProviderAdapterFactory.java
@@ -0,0 +1,295 @@
+/**
+ */
+package laxcondition.provider;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import laxcondition.util.LaxconditionAdapterFactory;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.edit.provider.ChangeNotifier;
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
+import org.eclipse.emf.edit.provider.IChangeNotifier;
+import org.eclipse.emf.edit.provider.IDisposable;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.INotifyChangedListener;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+
+/**
+ * This is the factory that is used to provide the interfaces needed to support Viewers.
+ * The adapters generated by this factory convert EMF adapter notifications into calls to {@link #fireNotifyChanged fireNotifyChanged}.
+ * The adapters also support Eclipse property sheets.
+ * Note that most of the adapters are shared among multiple instances.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class LaxconditionItemProviderAdapterFactory extends LaxconditionAdapterFactory implements ComposeableAdapterFactory, IChangeNotifier, IDisposable {
+	/**
+	 * This keeps track of the root adapter factory that delegates to this adapter factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ComposedAdapterFactory parentAdapterFactory;
+
+	/**
+	 * This is used to implement {@link org.eclipse.emf.edit.provider.IChangeNotifier}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IChangeNotifier changeNotifier = new ChangeNotifier();
+
+	/**
+	 * This keeps track of all the supported types checked by {@link #isFactoryForType isFactoryForType}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Object> supportedTypes = new ArrayList<Object>();
+
+	/**
+	 * This constructs an instance.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LaxconditionItemProviderAdapterFactory() {
+		supportedTypes.add(IEditingDomainItemProvider.class);
+		supportedTypes.add(IStructuredItemContentProvider.class);
+		supportedTypes.add(ITreeItemContentProvider.class);
+		supportedTypes.add(IItemLabelProvider.class);
+		supportedTypes.add(IItemPropertySource.class);
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link laxcondition.Condition} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ConditionItemProvider conditionItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link laxcondition.Condition}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createConditionAdapter() {
+		if (conditionItemProvider == null) {
+			conditionItemProvider = new ConditionItemProvider(this);
+		}
+
+		return conditionItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link laxcondition.QuantifiedLaxCondition} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected QuantifiedLaxConditionItemProvider quantifiedLaxConditionItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link laxcondition.QuantifiedLaxCondition}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createQuantifiedLaxConditionAdapter() {
+		if (quantifiedLaxConditionItemProvider == null) {
+			quantifiedLaxConditionItemProvider = new QuantifiedLaxConditionItemProvider(this);
+		}
+
+		return quantifiedLaxConditionItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link laxcondition.True} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TrueItemProvider trueItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link laxcondition.True}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createTrueAdapter() {
+		if (trueItemProvider == null) {
+			trueItemProvider = new TrueItemProvider(this);
+		}
+
+		return trueItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link laxcondition.Formula} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected FormulaItemProvider formulaItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link laxcondition.Formula}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createFormulaAdapter() {
+		if (formulaItemProvider == null) {
+			formulaItemProvider = new FormulaItemProvider(this);
+		}
+
+		return formulaItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link laxcondition.Variable} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected VariableItemProvider variableItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link laxcondition.Variable}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createVariableAdapter() {
+		if (variableItemProvider == null) {
+			variableItemProvider = new VariableItemProvider(this);
+		}
+
+		return variableItemProvider;
+	}
+
+	/**
+	 * This returns the root adapter factory that contains this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ComposeableAdapterFactory getRootAdapterFactory() {
+		return parentAdapterFactory == null ? this : parentAdapterFactory.getRootAdapterFactory();
+	}
+
+	/**
+	 * This sets the composed adapter factory that contains this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setParentAdapterFactory(ComposedAdapterFactory parentAdapterFactory) {
+		this.parentAdapterFactory = parentAdapterFactory;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean isFactoryForType(Object type) {
+		return supportedTypes.contains(type) || super.isFactoryForType(type);
+	}
+
+	/**
+	 * This implementation substitutes the factory itself as the key for the adapter.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter adapt(Notifier notifier, Object type) {
+		return super.adapt(notifier, this);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object adapt(Object object, Object type) {
+		if (isFactoryForType(type)) {
+			Object adapter = super.adapt(object, type);
+			if (!(type instanceof Class<?>) || (((Class<?>)type).isInstance(adapter))) {
+				return adapter;
+			}
+		}
+
+		return null;
+	}
+
+	/**
+	 * This adds a listener.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void addListener(INotifyChangedListener notifyChangedListener) {
+		changeNotifier.addListener(notifyChangedListener);
+	}
+
+	/**
+	 * This removes a listener.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void removeListener(INotifyChangedListener notifyChangedListener) {
+		changeNotifier.removeListener(notifyChangedListener);
+	}
+
+	/**
+	 * This delegates to {@link #changeNotifier} and to {@link #parentAdapterFactory}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void fireNotifyChanged(Notification notification) {
+		changeNotifier.fireNotifyChanged(notification);
+
+		if (parentAdapterFactory != null) {
+			parentAdapterFactory.fireNotifyChanged(notification);
+		}
+	}
+
+	/**
+	 * This disposes all of the item providers created by this factory. 
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void dispose() {
+		if (conditionItemProvider != null) conditionItemProvider.dispose();
+		if (quantifiedLaxConditionItemProvider != null) quantifiedLaxConditionItemProvider.dispose();
+		if (trueItemProvider != null) trueItemProvider.dispose();
+		if (formulaItemProvider != null) formulaItemProvider.dispose();
+		if (variableItemProvider != null) variableItemProvider.dispose();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/QuantifiedLaxConditionItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/QuantifiedLaxConditionItemProvider.java
new file mode 100644
index 0000000..504ad1a
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/QuantifiedLaxConditionItemProvider.java
@@ -0,0 +1,201 @@
+/**
+ */
+package laxcondition.provider;
+
+
+import graph.GraphFactory;
+
+import java.util.Collection;
+import java.util.List;
+
+import laxcondition.LaxconditionFactory;
+import laxcondition.LaxconditionPackage;
+import laxcondition.QuantifiedLaxCondition;
+import laxcondition.Quantifier;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link laxcondition.QuantifiedLaxCondition} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class QuantifiedLaxConditionItemProvider extends LaxConditionItemProvider {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public QuantifiedLaxConditionItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addQuantifierPropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Quantifier feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addQuantifierPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_QuantifiedLaxCondition_quantifier_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_QuantifiedLaxCondition_quantifier_feature", "_UI_QuantifiedLaxCondition_type"),
+				 LaxconditionPackage.Literals.QUANTIFIED_LAX_CONDITION__QUANTIFIER,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
+	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
+	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+		if (childrenFeatures == null) {
+			super.getChildrenFeatures(object);
+			childrenFeatures.add(LaxconditionPackage.Literals.QUANTIFIED_LAX_CONDITION__GRAPH);
+			childrenFeatures.add(LaxconditionPackage.Literals.QUANTIFIED_LAX_CONDITION__CONDITION);
+			childrenFeatures.add(LaxconditionPackage.Literals.QUANTIFIED_LAX_CONDITION__VARIABLES);
+		}
+		return childrenFeatures;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EStructuralFeature getChildFeature(Object object, Object child) {
+		// Check the type of the specified child object and return the proper feature to use for
+		// adding (see {@link AddCommand}) it as a child.
+
+		return super.getChildFeature(object, child);
+	}
+
+	/**
+	 * This returns QuantifiedLaxCondition.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/QuantifiedLaxCondition"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		Quantifier labelValue = ((QuantifiedLaxCondition)object).getQuantifier();
+		String label = labelValue == null ? null : labelValue.toString();
+		return label == null || label.length() == 0 ?
+			getString("_UI_QuantifiedLaxCondition_type") :
+			getString("_UI_QuantifiedLaxCondition_type") + " " + label;
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(QuantifiedLaxCondition.class)) {
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__QUANTIFIER:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+				return;
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__GRAPH:
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__CONDITION:
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__VARIABLES:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+
+		newChildDescriptors.add
+			(createChildParameter
+				(LaxconditionPackage.Literals.QUANTIFIED_LAX_CONDITION__GRAPH,
+				 GraphFactory.eINSTANCE.createGraph()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(LaxconditionPackage.Literals.QUANTIFIED_LAX_CONDITION__CONDITION,
+				 LaxconditionFactory.eINSTANCE.createQuantifiedLaxCondition()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(LaxconditionPackage.Literals.QUANTIFIED_LAX_CONDITION__CONDITION,
+				 LaxconditionFactory.eINSTANCE.createTrue()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(LaxconditionPackage.Literals.QUANTIFIED_LAX_CONDITION__CONDITION,
+				 LaxconditionFactory.eINSTANCE.createFormula()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(LaxconditionPackage.Literals.QUANTIFIED_LAX_CONDITION__VARIABLES,
+				 LaxconditionFactory.eINSTANCE.createVariable()));
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/TrueItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/TrueItemProvider.java
new file mode 100644
index 0000000..675a4f6
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/TrueItemProvider.java
@@ -0,0 +1,94 @@
+/**
+ */
+package laxcondition.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+
+/**
+ * This is the item provider adapter for a {@link laxcondition.True} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class TrueItemProvider extends LaxConditionItemProvider {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public TrueItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This returns True.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/True"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		return getString("_UI_True_type");
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/VariableItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/VariableItemProvider.java
new file mode 100644
index 0000000..887a4bd
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/laxcondition/provider/VariableItemProvider.java
@@ -0,0 +1,160 @@
+/**
+ */
+package laxcondition.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import laxcondition.LaxconditionPackage;
+import laxcondition.Variable;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link laxcondition.Variable} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class VariableItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public VariableItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addNamePropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Name feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addNamePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Variable_name_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Variable_name_feature", "_UI_Variable_type"),
+				 LaxconditionPackage.Literals.VARIABLE__NAME,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This returns Variable.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/Variable"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		String label = ((Variable)object).getName();
+		return label == null || label.length() == 0 ?
+			getString("_UI_Variable_type") :
+			getString("_UI_Variable_type") + " " + label;
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(Variable.class)) {
+			case LaxconditionPackage.VARIABLE__NAME:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/EdgeMappingItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/EdgeMappingItemProvider.java
new file mode 100644
index 0000000..931ff9e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/EdgeMappingItemProvider.java
@@ -0,0 +1,171 @@
+/**
+ */
+package nestedcondition.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import nestedcondition.NestedconditionPackage;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+
+/**
+ * This is the item provider adapter for a {@link nestedcondition.EdgeMapping} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class EdgeMappingItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EdgeMappingItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addOriginPropertyDescriptor(object);
+			addImagePropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Origin feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addOriginPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_EdgeMapping_origin_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_EdgeMapping_origin_feature", "_UI_EdgeMapping_type"),
+				 NestedconditionPackage.Literals.EDGE_MAPPING__ORIGIN,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the Image feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addImagePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_EdgeMapping_image_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_EdgeMapping_image_feature", "_UI_EdgeMapping_type"),
+				 NestedconditionPackage.Literals.EDGE_MAPPING__IMAGE,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This returns EdgeMapping.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/EdgeMapping"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		return getString("_UI_EdgeMapping_type");
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/FormulaItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/FormulaItemProvider.java
new file mode 100644
index 0000000..1cd79f5
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/FormulaItemProvider.java
@@ -0,0 +1,186 @@
+/**
+ */
+package nestedcondition.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import laxcondition.Operator;
+
+import nestedcondition.Formula;
+import nestedcondition.NestedconditionFactory;
+import nestedcondition.NestedconditionPackage;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link nestedcondition.Formula} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class FormulaItemProvider extends NestedConditionItemProvider {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public FormulaItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addOperatorPropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Operator feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addOperatorPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Formula_operator_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Formula_operator_feature", "_UI_Formula_type"),
+				 NestedconditionPackage.Literals.FORMULA__OPERATOR,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
+	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
+	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+		if (childrenFeatures == null) {
+			super.getChildrenFeatures(object);
+			childrenFeatures.add(NestedconditionPackage.Literals.FORMULA__ARGUMENTS);
+		}
+		return childrenFeatures;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EStructuralFeature getChildFeature(Object object, Object child) {
+		// Check the type of the specified child object and return the proper feature to use for
+		// adding (see {@link AddCommand}) it as a child.
+
+		return super.getChildFeature(object, child);
+	}
+
+	/**
+	 * This returns Formula.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/Formula"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		Operator labelValue = ((Formula)object).getOperator();
+		String label = labelValue == null ? null : labelValue.toString();
+		return label == null || label.length() == 0 ?
+			getString("_UI_Formula_type") :
+			getString("_UI_Formula_type") + " " + label;
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(Formula.class)) {
+			case NestedconditionPackage.FORMULA__OPERATOR:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+				return;
+			case NestedconditionPackage.FORMULA__ARGUMENTS:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.FORMULA__ARGUMENTS,
+				 NestedconditionFactory.eINSTANCE.createQuantifiedCondition()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.FORMULA__ARGUMENTS,
+				 NestedconditionFactory.eINSTANCE.createTrue()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.FORMULA__ARGUMENTS,
+				 NestedconditionFactory.eINSTANCE.createFormula()));
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/MorphismItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/MorphismItemProvider.java
new file mode 100644
index 0000000..5c29093
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/MorphismItemProvider.java
@@ -0,0 +1,224 @@
+/**
+ */
+package nestedcondition.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import nestedcondition.Morphism;
+import nestedcondition.NestedconditionFactory;
+import nestedcondition.NestedconditionPackage;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link nestedcondition.Morphism} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class MorphismItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public MorphismItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addFromPropertyDescriptor(object);
+			addToPropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the From feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addFromPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Morphism_from_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Morphism_from_feature", "_UI_Morphism_type"),
+				 NestedconditionPackage.Literals.MORPHISM__FROM,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the To feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addToPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Morphism_to_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Morphism_to_feature", "_UI_Morphism_type"),
+				 NestedconditionPackage.Literals.MORPHISM__TO,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
+	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
+	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+		if (childrenFeatures == null) {
+			super.getChildrenFeatures(object);
+			childrenFeatures.add(NestedconditionPackage.Literals.MORPHISM__NODE_MAPPINGS);
+			childrenFeatures.add(NestedconditionPackage.Literals.MORPHISM__EDGE_MAPPINGS);
+		}
+		return childrenFeatures;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EStructuralFeature getChildFeature(Object object, Object child) {
+		// Check the type of the specified child object and return the proper feature to use for
+		// adding (see {@link AddCommand}) it as a child.
+
+		return super.getChildFeature(object, child);
+	}
+
+	/**
+	 * This returns Morphism.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/Morphism"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		return getString("_UI_Morphism_type");
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(Morphism.class)) {
+			case NestedconditionPackage.MORPHISM__NODE_MAPPINGS:
+			case NestedconditionPackage.MORPHISM__EDGE_MAPPINGS:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.MORPHISM__NODE_MAPPINGS,
+				 NestedconditionFactory.eINSTANCE.createNodeMapping()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.MORPHISM__EDGE_MAPPINGS,
+				 NestedconditionFactory.eINSTANCE.createEdgeMapping()));
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/NestedConditionItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/NestedConditionItemProvider.java
new file mode 100644
index 0000000..b167ef7
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/NestedConditionItemProvider.java
@@ -0,0 +1,183 @@
+/**
+ */
+package nestedcondition.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedconditionFactory;
+import nestedcondition.NestedconditionPackage;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link nestedcondition.NestedCondition} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedConditionItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedConditionItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addDomainPropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Domain feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addDomainPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_NestedCondition_domain_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_NestedCondition_domain_feature", "_UI_NestedCondition_type"),
+				 NestedconditionPackage.Literals.NESTED_CONDITION__DOMAIN,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
+	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
+	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+		if (childrenFeatures == null) {
+			super.getChildrenFeatures(object);
+			childrenFeatures.add(NestedconditionPackage.Literals.NESTED_CONDITION__VARIABLES);
+		}
+		return childrenFeatures;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EStructuralFeature getChildFeature(Object object, Object child) {
+		// Check the type of the specified child object and return the proper feature to use for
+		// adding (see {@link AddCommand}) it as a child.
+
+		return super.getChildFeature(object, child);
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		return getString("_UI_NestedCondition_type");
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(NestedCondition.class)) {
+			case NestedconditionPackage.NESTED_CONDITION__VARIABLES:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.NESTED_CONDITION__VARIABLES,
+				 NestedconditionFactory.eINSTANCE.createVariable()));
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/NestedConstraintItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/NestedConstraintItemProvider.java
new file mode 100644
index 0000000..6dc0e62
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/NestedConstraintItemProvider.java
@@ -0,0 +1,243 @@
+/**
+ */
+package nestedcondition.provider;
+
+
+import graph.GraphFactory;
+
+import java.util.Collection;
+import java.util.List;
+
+import nestedcondition.NestedConstraint;
+import nestedcondition.NestedconditionFactory;
+import nestedcondition.NestedconditionPackage;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link nestedcondition.NestedConstraint} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedConstraintItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedConstraintItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addNamePropertyDescriptor(object);
+			addTypeGraphPropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Name feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addNamePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_NestedConstraint_name_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_NestedConstraint_name_feature", "_UI_NestedConstraint_type"),
+				 NestedconditionPackage.Literals.NESTED_CONSTRAINT__NAME,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the Type Graph feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addTypeGraphPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_NestedConstraint_typeGraph_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_NestedConstraint_typeGraph_feature", "_UI_NestedConstraint_type"),
+				 NestedconditionPackage.Literals.NESTED_CONSTRAINT__TYPE_GRAPH,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
+	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
+	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+		if (childrenFeatures == null) {
+			super.getChildrenFeatures(object);
+			childrenFeatures.add(NestedconditionPackage.Literals.NESTED_CONSTRAINT__CONDITION);
+			childrenFeatures.add(NestedconditionPackage.Literals.NESTED_CONSTRAINT__DOMAIN);
+		}
+		return childrenFeatures;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EStructuralFeature getChildFeature(Object object, Object child) {
+		// Check the type of the specified child object and return the proper feature to use for
+		// adding (see {@link AddCommand}) it as a child.
+
+		return super.getChildFeature(object, child);
+	}
+
+	/**
+	 * This returns NestedConstraint.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/NestedConstraint"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		String label = ((NestedConstraint)object).getName();
+		return label == null || label.length() == 0 ?
+			getString("_UI_NestedConstraint_type") :
+			getString("_UI_NestedConstraint_type") + " " + label;
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(NestedConstraint.class)) {
+			case NestedconditionPackage.NESTED_CONSTRAINT__NAME:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+				return;
+			case NestedconditionPackage.NESTED_CONSTRAINT__CONDITION:
+			case NestedconditionPackage.NESTED_CONSTRAINT__DOMAIN:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.NESTED_CONSTRAINT__CONDITION,
+				 NestedconditionFactory.eINSTANCE.createQuantifiedCondition()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.NESTED_CONSTRAINT__CONDITION,
+				 NestedconditionFactory.eINSTANCE.createTrue()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.NESTED_CONSTRAINT__CONDITION,
+				 NestedconditionFactory.eINSTANCE.createFormula()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.NESTED_CONSTRAINT__DOMAIN,
+				 GraphFactory.eINSTANCE.createGraph()));
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/NestedconditionItemProviderAdapterFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/NestedconditionItemProviderAdapterFactory.java
new file mode 100644
index 0000000..199b6ea
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/NestedconditionItemProviderAdapterFactory.java
@@ -0,0 +1,367 @@
+/**
+ */
+package nestedcondition.provider;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import nestedcondition.util.NestedconditionAdapterFactory;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.edit.provider.ChangeNotifier;
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
+import org.eclipse.emf.edit.provider.IChangeNotifier;
+import org.eclipse.emf.edit.provider.IDisposable;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.INotifyChangedListener;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+
+/**
+ * This is the factory that is used to provide the interfaces needed to support Viewers.
+ * The adapters generated by this factory convert EMF adapter notifications into calls to {@link #fireNotifyChanged fireNotifyChanged}.
+ * The adapters also support Eclipse property sheets.
+ * Note that most of the adapters are shared among multiple instances.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedconditionItemProviderAdapterFactory extends NestedconditionAdapterFactory implements ComposeableAdapterFactory, IChangeNotifier, IDisposable {
+	/**
+	 * This keeps track of the root adapter factory that delegates to this adapter factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ComposedAdapterFactory parentAdapterFactory;
+
+	/**
+	 * This is used to implement {@link org.eclipse.emf.edit.provider.IChangeNotifier}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IChangeNotifier changeNotifier = new ChangeNotifier();
+
+	/**
+	 * This keeps track of all the supported types checked by {@link #isFactoryForType isFactoryForType}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Object> supportedTypes = new ArrayList<Object>();
+
+	/**
+	 * This constructs an instance.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconditionItemProviderAdapterFactory() {
+		supportedTypes.add(IEditingDomainItemProvider.class);
+		supportedTypes.add(IStructuredItemContentProvider.class);
+		supportedTypes.add(ITreeItemContentProvider.class);
+		supportedTypes.add(IItemLabelProvider.class);
+		supportedTypes.add(IItemPropertySource.class);
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link nestedcondition.NestedConstraint} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedConstraintItemProvider nestedConstraintItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link nestedcondition.NestedConstraint}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createNestedConstraintAdapter() {
+		if (nestedConstraintItemProvider == null) {
+			nestedConstraintItemProvider = new NestedConstraintItemProvider(this);
+		}
+
+		return nestedConstraintItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link nestedcondition.Variable} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected VariableItemProvider variableItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link nestedcondition.Variable}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createVariableAdapter() {
+		if (variableItemProvider == null) {
+			variableItemProvider = new VariableItemProvider(this);
+		}
+
+		return variableItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link nestedcondition.QuantifiedCondition} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected QuantifiedConditionItemProvider quantifiedConditionItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link nestedcondition.QuantifiedCondition}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createQuantifiedConditionAdapter() {
+		if (quantifiedConditionItemProvider == null) {
+			quantifiedConditionItemProvider = new QuantifiedConditionItemProvider(this);
+		}
+
+		return quantifiedConditionItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link nestedcondition.True} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TrueItemProvider trueItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link nestedcondition.True}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createTrueAdapter() {
+		if (trueItemProvider == null) {
+			trueItemProvider = new TrueItemProvider(this);
+		}
+
+		return trueItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link nestedcondition.Formula} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected FormulaItemProvider formulaItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link nestedcondition.Formula}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createFormulaAdapter() {
+		if (formulaItemProvider == null) {
+			formulaItemProvider = new FormulaItemProvider(this);
+		}
+
+		return formulaItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link nestedcondition.Morphism} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected MorphismItemProvider morphismItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link nestedcondition.Morphism}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createMorphismAdapter() {
+		if (morphismItemProvider == null) {
+			morphismItemProvider = new MorphismItemProvider(this);
+		}
+
+		return morphismItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link nestedcondition.NodeMapping} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NodeMappingItemProvider nodeMappingItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link nestedcondition.NodeMapping}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createNodeMappingAdapter() {
+		if (nodeMappingItemProvider == null) {
+			nodeMappingItemProvider = new NodeMappingItemProvider(this);
+		}
+
+		return nodeMappingItemProvider;
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link nestedcondition.EdgeMapping} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected EdgeMappingItemProvider edgeMappingItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link nestedcondition.EdgeMapping}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createEdgeMappingAdapter() {
+		if (edgeMappingItemProvider == null) {
+			edgeMappingItemProvider = new EdgeMappingItemProvider(this);
+		}
+
+		return edgeMappingItemProvider;
+	}
+
+	/**
+	 * This returns the root adapter factory that contains this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ComposeableAdapterFactory getRootAdapterFactory() {
+		return parentAdapterFactory == null ? this : parentAdapterFactory.getRootAdapterFactory();
+	}
+
+	/**
+	 * This sets the composed adapter factory that contains this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setParentAdapterFactory(ComposedAdapterFactory parentAdapterFactory) {
+		this.parentAdapterFactory = parentAdapterFactory;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean isFactoryForType(Object type) {
+		return supportedTypes.contains(type) || super.isFactoryForType(type);
+	}
+
+	/**
+	 * This implementation substitutes the factory itself as the key for the adapter.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter adapt(Notifier notifier, Object type) {
+		return super.adapt(notifier, this);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object adapt(Object object, Object type) {
+		if (isFactoryForType(type)) {
+			Object adapter = super.adapt(object, type);
+			if (!(type instanceof Class<?>) || (((Class<?>)type).isInstance(adapter))) {
+				return adapter;
+			}
+		}
+
+		return null;
+	}
+
+	/**
+	 * This adds a listener.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void addListener(INotifyChangedListener notifyChangedListener) {
+		changeNotifier.addListener(notifyChangedListener);
+	}
+
+	/**
+	 * This removes a listener.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void removeListener(INotifyChangedListener notifyChangedListener) {
+		changeNotifier.removeListener(notifyChangedListener);
+	}
+
+	/**
+	 * This delegates to {@link #changeNotifier} and to {@link #parentAdapterFactory}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void fireNotifyChanged(Notification notification) {
+		changeNotifier.fireNotifyChanged(notification);
+
+		if (parentAdapterFactory != null) {
+			parentAdapterFactory.fireNotifyChanged(notification);
+		}
+	}
+
+	/**
+	 * This disposes all of the item providers created by this factory. 
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void dispose() {
+		if (nestedConstraintItemProvider != null) nestedConstraintItemProvider.dispose();
+		if (variableItemProvider != null) variableItemProvider.dispose();
+		if (quantifiedConditionItemProvider != null) quantifiedConditionItemProvider.dispose();
+		if (trueItemProvider != null) trueItemProvider.dispose();
+		if (formulaItemProvider != null) formulaItemProvider.dispose();
+		if (morphismItemProvider != null) morphismItemProvider.dispose();
+		if (nodeMappingItemProvider != null) nodeMappingItemProvider.dispose();
+		if (edgeMappingItemProvider != null) edgeMappingItemProvider.dispose();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/NodeMappingItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/NodeMappingItemProvider.java
new file mode 100644
index 0000000..d06e425
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/NodeMappingItemProvider.java
@@ -0,0 +1,171 @@
+/**
+ */
+package nestedcondition.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import nestedcondition.NestedconditionPackage;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+
+/**
+ * This is the item provider adapter for a {@link nestedcondition.NodeMapping} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NodeMappingItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NodeMappingItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addOriginPropertyDescriptor(object);
+			addImagePropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Origin feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addOriginPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_NodeMapping_origin_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_NodeMapping_origin_feature", "_UI_NodeMapping_type"),
+				 NestedconditionPackage.Literals.NODE_MAPPING__ORIGIN,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This adds a property descriptor for the Image feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addImagePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_NodeMapping_image_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_NodeMapping_image_feature", "_UI_NodeMapping_type"),
+				 NestedconditionPackage.Literals.NODE_MAPPING__IMAGE,
+				 true,
+				 false,
+				 true,
+				 null,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This returns NodeMapping.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/NodeMapping"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		return getString("_UI_NodeMapping_type");
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/QuantifiedConditionItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/QuantifiedConditionItemProvider.java
new file mode 100644
index 0000000..6c78964
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/QuantifiedConditionItemProvider.java
@@ -0,0 +1,202 @@
+/**
+ */
+package nestedcondition.provider;
+
+
+import graph.GraphFactory;
+
+import java.util.Collection;
+import java.util.List;
+
+import laxcondition.Quantifier;
+
+import nestedcondition.NestedconditionFactory;
+import nestedcondition.NestedconditionPackage;
+import nestedcondition.QuantifiedCondition;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link nestedcondition.QuantifiedCondition} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class QuantifiedConditionItemProvider extends NestedConditionItemProvider {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public QuantifiedConditionItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addQuantifierPropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Quantifier feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addQuantifierPropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_QuantifiedCondition_quantifier_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_QuantifiedCondition_quantifier_feature", "_UI_QuantifiedCondition_type"),
+				 NestedconditionPackage.Literals.QUANTIFIED_CONDITION__QUANTIFIER,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
+	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
+	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+		if (childrenFeatures == null) {
+			super.getChildrenFeatures(object);
+			childrenFeatures.add(NestedconditionPackage.Literals.QUANTIFIED_CONDITION__CONDITION);
+			childrenFeatures.add(NestedconditionPackage.Literals.QUANTIFIED_CONDITION__MORPHISM);
+			childrenFeatures.add(NestedconditionPackage.Literals.QUANTIFIED_CONDITION__CODOMAIN);
+		}
+		return childrenFeatures;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EStructuralFeature getChildFeature(Object object, Object child) {
+		// Check the type of the specified child object and return the proper feature to use for
+		// adding (see {@link AddCommand}) it as a child.
+
+		return super.getChildFeature(object, child);
+	}
+
+	/**
+	 * This returns QuantifiedCondition.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/QuantifiedCondition"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		Quantifier labelValue = ((QuantifiedCondition)object).getQuantifier();
+		String label = labelValue == null ? null : labelValue.toString();
+		return label == null || label.length() == 0 ?
+			getString("_UI_QuantifiedCondition_type") :
+			getString("_UI_QuantifiedCondition_type") + " " + label;
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(QuantifiedCondition.class)) {
+			case NestedconditionPackage.QUANTIFIED_CONDITION__QUANTIFIER:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+				return;
+			case NestedconditionPackage.QUANTIFIED_CONDITION__CONDITION:
+			case NestedconditionPackage.QUANTIFIED_CONDITION__MORPHISM:
+			case NestedconditionPackage.QUANTIFIED_CONDITION__CODOMAIN:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.QUANTIFIED_CONDITION__CONDITION,
+				 NestedconditionFactory.eINSTANCE.createQuantifiedCondition()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.QUANTIFIED_CONDITION__CONDITION,
+				 NestedconditionFactory.eINSTANCE.createTrue()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.QUANTIFIED_CONDITION__CONDITION,
+				 NestedconditionFactory.eINSTANCE.createFormula()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.QUANTIFIED_CONDITION__MORPHISM,
+				 NestedconditionFactory.eINSTANCE.createMorphism()));
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconditionPackage.Literals.QUANTIFIED_CONDITION__CODOMAIN,
+				 GraphFactory.eINSTANCE.createGraph()));
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/TrueItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/TrueItemProvider.java
new file mode 100644
index 0000000..95ee9a9
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/TrueItemProvider.java
@@ -0,0 +1,94 @@
+/**
+ */
+package nestedcondition.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+
+/**
+ * This is the item provider adapter for a {@link nestedcondition.True} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class TrueItemProvider extends NestedConditionItemProvider {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public TrueItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This returns True.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/True"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		return getString("_UI_True_type");
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/VariableItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/VariableItemProvider.java
new file mode 100644
index 0000000..6bdad6b
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedcondition/provider/VariableItemProvider.java
@@ -0,0 +1,160 @@
+/**
+ */
+package nestedcondition.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import nestedcondition.NestedconditionPackage;
+import nestedcondition.Variable;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link nestedcondition.Variable} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class VariableItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public VariableItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addNamePropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Name feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addNamePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_Variable_name_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_Variable_name_feature", "_UI_Variable_type"),
+				 NestedconditionPackage.Literals.VARIABLE__NAME,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This returns Variable.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/Variable"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		String label = ((Variable)object).getName();
+		return label == null || label.length() == 0 ?
+			getString("_UI_Variable_type") :
+			getString("_UI_Variable_type") + " " + label;
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(Variable.class)) {
+			case NestedconditionPackage.VARIABLE__NAME:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedconstraintmodel/provider/NestedConstraintModelItemProvider.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedconstraintmodel/provider/NestedConstraintModelItemProvider.java
new file mode 100644
index 0000000..8875556
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedconstraintmodel/provider/NestedConstraintModelItemProvider.java
@@ -0,0 +1,200 @@
+/**
+ */
+package nestedconstraintmodel.provider;
+
+
+import java.util.Collection;
+import java.util.List;
+
+import nestedcondition.NestedconditionFactory;
+
+import nestedconstraintmodel.NestedConstraintModel;
+import nestedconstraintmodel.NestedconstraintmodelPackage;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.ecore.EStructuralFeature;
+
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
+import org.eclipse.emf.edit.provider.ItemProviderAdapter;
+import org.eclipse.emf.edit.provider.ViewerNotification;
+
+/**
+ * This is the item provider adapter for a {@link nestedconstraintmodel.NestedConstraintModel} object.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedConstraintModelItemProvider 
+	extends ItemProviderAdapter
+	implements
+		IEditingDomainItemProvider,
+		IStructuredItemContentProvider,
+		ITreeItemContentProvider,
+		IItemLabelProvider,
+		IItemPropertySource {
+	/**
+	 * This constructs an instance from a factory and a notifier.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedConstraintModelItemProvider(AdapterFactory adapterFactory) {
+		super(adapterFactory);
+	}
+
+	/**
+	 * This returns the property descriptors for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
+		if (itemPropertyDescriptors == null) {
+			super.getPropertyDescriptors(object);
+
+			addNamePropertyDescriptor(object);
+		}
+		return itemPropertyDescriptors;
+	}
+
+	/**
+	 * This adds a property descriptor for the Name feature.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void addNamePropertyDescriptor(Object object) {
+		itemPropertyDescriptors.add
+			(createItemPropertyDescriptor
+				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
+				 getResourceLocator(),
+				 getString("_UI_NestedConstraintModel_name_feature"),
+				 getString("_UI_PropertyDescriptor_description", "_UI_NestedConstraintModel_name_feature", "_UI_NestedConstraintModel_type"),
+				 NestedconstraintmodelPackage.Literals.NESTED_CONSTRAINT_MODEL__NAME,
+				 true,
+				 false,
+				 false,
+				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
+				 null,
+				 null));
+	}
+
+	/**
+	 * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
+	 * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
+	 * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
+		if (childrenFeatures == null) {
+			super.getChildrenFeatures(object);
+			childrenFeatures.add(NestedconstraintmodelPackage.Literals.NESTED_CONSTRAINT_MODEL__NESTEDCONSTRAINMODELS);
+		}
+		return childrenFeatures;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EStructuralFeature getChildFeature(Object object, Object child) {
+		// Check the type of the specified child object and return the proper feature to use for
+		// adding (see {@link AddCommand}) it as a child.
+
+		return super.getChildFeature(object, child);
+	}
+
+	/**
+	 * This returns NestedConstraintModel.gif.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object getImage(Object object) {
+		return overlayImage(object, getResourceLocator().getImage("full/obj16/NestedConstraintModel"));
+	}
+
+	/**
+	 * This returns the label text for the adapted class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String getText(Object object) {
+		String label = ((NestedConstraintModel)object).getName();
+		return label == null || label.length() == 0 ?
+			getString("_UI_NestedConstraintModel_type") :
+			getString("_UI_NestedConstraintModel_type") + " " + label;
+	}
+	
+
+	/**
+	 * This handles model notifications by calling {@link #updateChildren} to update any cached
+	 * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void notifyChanged(Notification notification) {
+		updateChildren(notification);
+
+		switch (notification.getFeatureID(NestedConstraintModel.class)) {
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NAME:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
+				return;
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NESTEDCONSTRAINMODELS:
+				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
+				return;
+		}
+		super.notifyChanged(notification);
+	}
+
+	/**
+	 * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
+	 * that can be created under this object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
+		super.collectNewChildDescriptors(newChildDescriptors, object);
+
+		newChildDescriptors.add
+			(createChildParameter
+				(NestedconstraintmodelPackage.Literals.NESTED_CONSTRAINT_MODEL__NESTEDCONSTRAINMODELS,
+				 NestedconditionFactory.eINSTANCE.createNestedConstraint()));
+	}
+
+	/**
+	 * Return the resource locator for this item provider's resources.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		return NestedconstraintmodelEditPlugin.INSTANCE;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedconstraintmodel/provider/NestedconstraintmodelEditPlugin.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedconstraintmodel/provider/NestedconstraintmodelEditPlugin.java
new file mode 100644
index 0000000..c1958d0
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedconstraintmodel/provider/NestedconstraintmodelEditPlugin.java
@@ -0,0 +1,89 @@
+/**
+ */
+package nestedconstraintmodel.provider;
+
+import org.eclipse.emf.common.EMFPlugin;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+/**
+ * This is the central singleton for the Nestedconstraintmodel edit plugin.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public final class NestedconstraintmodelEditPlugin extends EMFPlugin {
+	/**
+	 * Keep track of the singleton.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final NestedconstraintmodelEditPlugin INSTANCE = new NestedconstraintmodelEditPlugin();
+
+	/**
+	 * Keep track of the singleton.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static Implementation plugin;
+
+	/**
+	 * Create the instance.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconstraintmodelEditPlugin() {
+		super
+		  (new ResourceLocator [] {
+		   });
+	}
+
+	/**
+	 * Returns the singleton instance of the Eclipse plugin.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the singleton instance.
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getPluginResourceLocator() {
+		return plugin;
+	}
+
+	/**
+	 * Returns the singleton instance of the Eclipse plugin.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the singleton instance.
+	 * @generated
+	 */
+	public static Implementation getPlugin() {
+		return plugin;
+	}
+
+	/**
+	 * The actual implementation of the Eclipse <b>Plugin</b>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static class Implementation extends EclipsePlugin {
+		/**
+		 * Creates an instance.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public Implementation() {
+			super();
+
+			// Remember the static instance.
+			//
+			plugin = this;
+		}
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedconstraintmodel/provider/NestedconstraintmodelItemProviderAdapterFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedconstraintmodel/provider/NestedconstraintmodelItemProviderAdapterFactory.java
new file mode 100644
index 0000000..0cf2d35
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.edit/src/nestedconstraintmodel/provider/NestedconstraintmodelItemProviderAdapterFactory.java
@@ -0,0 +1,199 @@
+/**
+ */
+package nestedconstraintmodel.provider;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import nestedconstraintmodel.util.NestedconstraintmodelAdapterFactory;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.edit.provider.ChangeNotifier;
+import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
+import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
+import org.eclipse.emf.edit.provider.IChangeNotifier;
+import org.eclipse.emf.edit.provider.IDisposable;
+import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
+import org.eclipse.emf.edit.provider.IItemLabelProvider;
+import org.eclipse.emf.edit.provider.IItemPropertySource;
+import org.eclipse.emf.edit.provider.INotifyChangedListener;
+import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
+import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
+
+/**
+ * This is the factory that is used to provide the interfaces needed to support Viewers.
+ * The adapters generated by this factory convert EMF adapter notifications into calls to {@link #fireNotifyChanged fireNotifyChanged}.
+ * The adapters also support Eclipse property sheets.
+ * Note that most of the adapters are shared among multiple instances.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedconstraintmodelItemProviderAdapterFactory extends NestedconstraintmodelAdapterFactory implements ComposeableAdapterFactory, IChangeNotifier, IDisposable {
+	/**
+	 * This keeps track of the root adapter factory that delegates to this adapter factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ComposedAdapterFactory parentAdapterFactory;
+
+	/**
+	 * This is used to implement {@link org.eclipse.emf.edit.provider.IChangeNotifier}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IChangeNotifier changeNotifier = new ChangeNotifier();
+
+	/**
+	 * This keeps track of all the supported types checked by {@link #isFactoryForType isFactoryForType}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Object> supportedTypes = new ArrayList<Object>();
+
+	/**
+	 * This constructs an instance.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconstraintmodelItemProviderAdapterFactory() {
+		supportedTypes.add(IEditingDomainItemProvider.class);
+		supportedTypes.add(IStructuredItemContentProvider.class);
+		supportedTypes.add(ITreeItemContentProvider.class);
+		supportedTypes.add(IItemLabelProvider.class);
+		supportedTypes.add(IItemPropertySource.class);
+	}
+
+	/**
+	 * This keeps track of the one adapter used for all {@link nestedconstraintmodel.NestedConstraintModel} instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedConstraintModelItemProvider nestedConstraintModelItemProvider;
+
+	/**
+	 * This creates an adapter for a {@link nestedconstraintmodel.NestedConstraintModel}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter createNestedConstraintModelAdapter() {
+		if (nestedConstraintModelItemProvider == null) {
+			nestedConstraintModelItemProvider = new NestedConstraintModelItemProvider(this);
+		}
+
+		return nestedConstraintModelItemProvider;
+	}
+
+	/**
+	 * This returns the root adapter factory that contains this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ComposeableAdapterFactory getRootAdapterFactory() {
+		return parentAdapterFactory == null ? this : parentAdapterFactory.getRootAdapterFactory();
+	}
+
+	/**
+	 * This sets the composed adapter factory that contains this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setParentAdapterFactory(ComposedAdapterFactory parentAdapterFactory) {
+		this.parentAdapterFactory = parentAdapterFactory;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean isFactoryForType(Object type) {
+		return supportedTypes.contains(type) || super.isFactoryForType(type);
+	}
+
+	/**
+	 * This implementation substitutes the factory itself as the key for the adapter.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Adapter adapt(Notifier notifier, Object type) {
+		return super.adapt(notifier, this);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object adapt(Object object, Object type) {
+		if (isFactoryForType(type)) {
+			Object adapter = super.adapt(object, type);
+			if (!(type instanceof Class<?>) || (((Class<?>)type).isInstance(adapter))) {
+				return adapter;
+			}
+		}
+
+		return null;
+	}
+
+	/**
+	 * This adds a listener.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void addListener(INotifyChangedListener notifyChangedListener) {
+		changeNotifier.addListener(notifyChangedListener);
+	}
+
+	/**
+	 * This removes a listener.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void removeListener(INotifyChangedListener notifyChangedListener) {
+		changeNotifier.removeListener(notifyChangedListener);
+	}
+
+	/**
+	 * This delegates to {@link #changeNotifier} and to {@link #parentAdapterFactory}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void fireNotifyChanged(Notification notification) {
+		changeNotifier.fireNotifyChanged(notification);
+
+		if (parentAdapterFactory != null) {
+			parentAdapterFactory.fireNotifyChanged(notification);
+		}
+	}
+
+	/**
+	 * This disposes all of the item providers created by this factory. 
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void dispose() {
+		if (nestedConstraintModelItemProvider != null) nestedConstraintModelItemProvider.dispose();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/.classpath b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/.classpath
new file mode 100644
index 0000000..22f3064
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/.project b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/.project
new file mode 100644
index 0000000..aeb84b5
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>de.unimarburg.swt.ocl2ac.model.editor</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+		<nature>org.eclipse.pde.PluginNature</nature>
+	</natures>
+</projectDescription>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/META-INF/MANIFEST.MF b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..897ff56
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/META-INF/MANIFEST.MF
@@ -0,0 +1,21 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: %pluginName
+Bundle-SymbolicName: de.unimarburg.swt.ocl2ac.model.editor;singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-ClassPath: .
+Bundle-Activator: nestedconstraintmodel.presentation.NestedconstraintmodelEditorPlugin$Implementation
+Bundle-Vendor: %providerName
+Bundle-Localization: plugin
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Export-Package: graph.presentation,
+ laxcondition.presentation,
+ nestedcondition.presentation,
+ nestedconstraintmodel.presentation
+Require-Bundle: org.eclipse.core.runtime,
+ org.eclipse.core.resources;visibility:=reexport,
+ de.unimarburg.swt.ocl2ac.model.edit;visibility:=reexport,
+ org.eclipse.emf.ecore.xmi;visibility:=reexport,
+ org.eclipse.emf.edit.ui;visibility:=reexport,
+ org.eclipse.ui.ide;visibility:=reexport
+Bundle-ActivationPolicy: lazy
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/build.properties b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/build.properties
new file mode 100644
index 0000000..5fb0771
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/build.properties
@@ -0,0 +1,10 @@
+#
+
+bin.includes = .,\
+               icons/,\
+               META-INF/,\
+               plugin.xml,\
+               plugin.properties
+jars.compile.order = .
+source.. = src/
+output.. = bin
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/obj16/GraphModelFile.gif b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/obj16/GraphModelFile.gif
new file mode 100644
index 0000000..6984fd4
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/obj16/GraphModelFile.gif
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/obj16/LaxconditionModelFile.gif b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/obj16/LaxconditionModelFile.gif
new file mode 100644
index 0000000..557e65e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/obj16/LaxconditionModelFile.gif
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/obj16/NestedconditionModelFile.gif b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/obj16/NestedconditionModelFile.gif
new file mode 100644
index 0000000..415a3b6
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/obj16/NestedconditionModelFile.gif
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/obj16/NestedconstraintmodelModelFile.gif b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/obj16/NestedconstraintmodelModelFile.gif
new file mode 100644
index 0000000..fa21681
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/obj16/NestedconstraintmodelModelFile.gif
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/wizban/NewGraph.gif b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/wizban/NewGraph.gif
new file mode 100644
index 0000000..f3829ed
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/wizban/NewGraph.gif
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/wizban/NewLaxcondition.gif b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/wizban/NewLaxcondition.gif
new file mode 100644
index 0000000..7158177
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/wizban/NewLaxcondition.gif
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/wizban/NewNestedcondition.gif b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/wizban/NewNestedcondition.gif
new file mode 100644
index 0000000..acfcd36
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/wizban/NewNestedcondition.gif
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/wizban/NewNestedconstraintmodel.gif b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/wizban/NewNestedconstraintmodel.gif
new file mode 100644
index 0000000..0e69a72
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/icons/full/wizban/NewNestedconstraintmodel.gif
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/plugin.properties b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/plugin.properties
new file mode 100644
index 0000000..4aee8a9
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/plugin.properties
@@ -0,0 +1,80 @@
+#
+
+pluginName = Nestedconstraintmodel Editor
+providerName = www.example.org
+
+_UI_NestedconstraintmodelEditor_menu = &Nestedconstraintmodel Editor
+_UI_NestedconditionEditor_menu = &Nestedcondition Editor
+_UI_GraphEditor_menu = &Graph Editor
+_UI_LaxconditionEditor_menu = &Laxcondition Editor
+
+_UI_CreateChild_menu_item = &New Child
+_UI_CreateSibling_menu_item = N&ew Sibling
+
+_UI_ShowPropertiesView_menu_item = Show &Properties View
+_UI_RefreshViewer_menu_item = &Refresh
+
+_UI_SelectionPage_label = Selection
+_UI_ParentPage_label = Parent
+_UI_ListPage_label = List
+_UI_TreePage_label = Tree
+_UI_TablePage_label = Table
+_UI_TreeWithColumnsPage_label = Tree with Columns
+_UI_ObjectColumn_label = Object
+_UI_SelfColumn_label = Self
+
+_UI_NoObjectSelected = Selected Nothing
+_UI_SingleObjectSelected = Selected Object: {0}
+_UI_MultiObjectSelected = Selected {0} Objects
+
+_UI_OpenEditorError_label = Open Editor
+
+_UI_Wizard_category = Example EMF Model Creation Wizards
+
+_UI_CreateModelError_message = Problems encountered in file "{0}"
+
+_UI_NestedconstraintmodelModelWizard_label = Nestedconstraintmodel Model
+_UI_NestedconstraintmodelModelWizard_description = Create a new Nestedconstraintmodel model
+
+_UI_NestedconstraintmodelEditor_label = Nestedconstraintmodel Model Editor
+
+_UI_NestedconstraintmodelEditorFilenameDefaultBase = My
+_UI_NestedconstraintmodelEditorFilenameExtensions = nestedconstraintmodel
+
+_UI_NestedconditionModelWizard_label = Nestedcondition Model
+_UI_NestedconditionModelWizard_description = Create a new Nestedcondition model
+
+_UI_NestedconditionEditor_label = Nestedcondition Model Editor
+
+_UI_NestedconditionEditorFilenameDefaultBase = My
+_UI_NestedconditionEditorFilenameExtensions = nestedcondition
+
+_UI_GraphModelWizard_label = Graph Model
+_UI_GraphModelWizard_description = Create a new Graph model
+
+_UI_GraphEditor_label = Graph Model Editor
+
+_UI_GraphEditorFilenameDefaultBase = My
+_UI_GraphEditorFilenameExtensions = graph
+
+_UI_LaxconditionModelWizard_label = Laxcondition Model
+_UI_LaxconditionModelWizard_description = Create a new Laxcondition model
+
+_UI_LaxconditionEditor_label = Laxcondition Model Editor
+
+_UI_LaxconditionEditorFilenameDefaultBase = My
+_UI_LaxconditionEditorFilenameExtensions = laxcondition
+
+_UI_Wizard_label = New
+
+_WARN_FilenameExtension = The file name must end in ''.{0}''
+_WARN_FilenameExtensions = The file name must have one of the following extensions: {0}
+
+_UI_ModelObject = &Model Object
+_UI_XMLEncoding = &XML Encoding
+_UI_XMLEncodingChoices = UTF-8 ASCII UTF-16 UTF-16BE UTF-16LE ISO-8859-1
+_UI_Wizard_initial_object_description = Select a model object to create
+
+_UI_FileConflict_label = File Conflict
+_WARN_FileConflict = There are unsaved changes that conflict with changes made outside the editor.  Do you wish to discard this editor's changes?
+
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/plugin.xml b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/plugin.xml
new file mode 100644
index 0000000..5017302
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/plugin.xml
@@ -0,0 +1,121 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<!--
+-->
+
+<plugin>
+
+   <extension point="org.eclipse.ui.newWizards">
+      <!-- @generated nestedconstraintmodel -->
+      <category
+            id="org.eclipse.emf.ecore.Wizard.category.ID"
+            name="%_UI_Wizard_category"/>
+      <wizard
+            id="nestedconstraintmodel.presentation.NestedconstraintmodelModelWizardID"
+            name="%_UI_NestedconstraintmodelModelWizard_label"
+            class="nestedconstraintmodel.presentation.NestedconstraintmodelModelWizard"
+            category="org.eclipse.emf.ecore.Wizard.category.ID"
+            icon="icons/full/obj16/NestedconstraintmodelModelFile.gif">
+         <description>%_UI_NestedconstraintmodelModelWizard_description</description>
+         <selection class="org.eclipse.core.resources.IResource"/>
+      </wizard>
+   </extension>
+
+   <extension point="org.eclipse.ui.editors">
+      <!-- @generated nestedconstraintmodel -->
+      <editor
+            id="nestedconstraintmodel.presentation.NestedconstraintmodelEditorID"
+            name="%_UI_NestedconstraintmodelEditor_label"
+            icon="icons/full/obj16/NestedconstraintmodelModelFile.gif"
+            extensions="nestedconstraintmodel"
+            class="nestedconstraintmodel.presentation.NestedconstraintmodelEditor"
+            contributorClass="nestedconstraintmodel.presentation.NestedconstraintmodelActionBarContributor">
+      </editor>
+   </extension>
+
+   <extension point="org.eclipse.ui.newWizards">
+      <!-- @generated nestedconstraintmodel -->
+      <category
+            id="org.eclipse.emf.ecore.Wizard.category.ID"
+            name="%_UI_Wizard_category"/>
+      <wizard
+            id="nestedcondition.presentation.NestedconditionModelWizardID"
+            name="%_UI_NestedconditionModelWizard_label"
+            class="nestedcondition.presentation.NestedconditionModelWizard"
+            category="org.eclipse.emf.ecore.Wizard.category.ID"
+            icon="icons/full/obj16/NestedconditionModelFile.gif">
+         <description>%_UI_NestedconditionModelWizard_description</description>
+         <selection class="org.eclipse.core.resources.IResource"/>
+      </wizard>
+   </extension>
+
+   <extension point="org.eclipse.ui.editors">
+      <!-- @generated nestedconstraintmodel -->
+      <editor
+            id="nestedcondition.presentation.NestedconditionEditorID"
+            name="%_UI_NestedconditionEditor_label"
+            icon="icons/full/obj16/NestedconditionModelFile.gif"
+            extensions="nestedcondition"
+            class="nestedcondition.presentation.NestedconditionEditor"
+            contributorClass="nestedcondition.presentation.NestedconditionActionBarContributor">
+      </editor>
+   </extension>
+
+   <extension point="org.eclipse.ui.newWizards">
+      <!-- @generated nestedconstraintmodel -->
+      <category
+            id="org.eclipse.emf.ecore.Wizard.category.ID"
+            name="%_UI_Wizard_category"/>
+      <wizard
+            id="graph.presentation.GraphModelWizardID"
+            name="%_UI_GraphModelWizard_label"
+            class="graph.presentation.GraphModelWizard"
+            category="org.eclipse.emf.ecore.Wizard.category.ID"
+            icon="icons/full/obj16/GraphModelFile.gif">
+         <description>%_UI_GraphModelWizard_description</description>
+         <selection class="org.eclipse.core.resources.IResource"/>
+      </wizard>
+   </extension>
+
+   <extension point="org.eclipse.ui.editors">
+      <!-- @generated nestedconstraintmodel -->
+      <editor
+            id="graph.presentation.GraphEditorID"
+            name="%_UI_GraphEditor_label"
+            icon="icons/full/obj16/GraphModelFile.gif"
+            extensions="graph"
+            class="graph.presentation.GraphEditor"
+            contributorClass="graph.presentation.GraphActionBarContributor">
+      </editor>
+   </extension>
+
+   <extension point="org.eclipse.ui.newWizards">
+      <!-- @generated nestedconstraintmodel -->
+      <category
+            id="org.eclipse.emf.ecore.Wizard.category.ID"
+            name="%_UI_Wizard_category"/>
+      <wizard
+            id="laxcondition.presentation.LaxconditionModelWizardID"
+            name="%_UI_LaxconditionModelWizard_label"
+            class="laxcondition.presentation.LaxconditionModelWizard"
+            category="org.eclipse.emf.ecore.Wizard.category.ID"
+            icon="icons/full/obj16/LaxconditionModelFile.gif">
+         <description>%_UI_LaxconditionModelWizard_description</description>
+         <selection class="org.eclipse.core.resources.IResource"/>
+      </wizard>
+   </extension>
+
+   <extension point="org.eclipse.ui.editors">
+      <!-- @generated nestedconstraintmodel -->
+      <editor
+            id="laxcondition.presentation.LaxconditionEditorID"
+            name="%_UI_LaxconditionEditor_label"
+            icon="icons/full/obj16/LaxconditionModelFile.gif"
+            extensions="laxcondition"
+            class="laxcondition.presentation.LaxconditionEditor"
+            contributorClass="laxcondition.presentation.LaxconditionActionBarContributor">
+      </editor>
+   </extension>
+
+</plugin>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/graph/presentation/GraphActionBarContributor.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/graph/presentation/GraphActionBarContributor.java
new file mode 100644
index 0000000..d3b483a
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/graph/presentation/GraphActionBarContributor.java
@@ -0,0 +1,425 @@
+/**
+ */
+package graph.presentation;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import nestedconstraintmodel.presentation.NestedconstraintmodelEditorPlugin;
+
+import org.eclipse.emf.common.ui.viewer.IViewerProvider;
+
+import org.eclipse.emf.edit.domain.EditingDomain;
+import org.eclipse.emf.edit.domain.IEditingDomainProvider;
+
+import org.eclipse.emf.edit.ui.action.ControlAction;
+import org.eclipse.emf.edit.ui.action.CreateChildAction;
+import org.eclipse.emf.edit.ui.action.CreateSiblingAction;
+import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;
+import org.eclipse.emf.edit.ui.action.LoadResourceAction;
+import org.eclipse.emf.edit.ui.action.ValidateAction;
+
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.ActionContributionItem;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.action.IContributionItem;
+import org.eclipse.jface.action.IContributionManager;
+import org.eclipse.jface.action.IMenuListener;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.IToolBarManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+import org.eclipse.jface.action.SubContributionItem;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.Viewer;
+
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.PartInitException;
+
+/**
+ * This is the action bar contributor for the Graph model editor.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class GraphActionBarContributor
+	extends EditingDomainActionBarContributor
+	implements ISelectionChangedListener {
+	/**
+	 * This keeps track of the active editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IEditorPart activeEditorPart;
+
+	/**
+	 * This keeps track of the current selection provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ISelectionProvider selectionProvider;
+
+	/**
+	 * This action opens the Properties view.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IAction showPropertiesViewAction =
+		new Action(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_ShowPropertiesView_menu_item")) {
+			@Override
+			public void run() {
+				try {
+					getPage().showView("org.eclipse.ui.views.PropertySheet");
+				}
+				catch (PartInitException exception) {
+					NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+				}
+			}
+		};
+
+	/**
+	 * This action refreshes the viewer of the current editor if the editor
+	 * implements {@link org.eclipse.emf.common.ui.viewer.IViewerProvider}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IAction refreshViewerAction =
+		new Action(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_RefreshViewer_menu_item")) {
+			@Override
+			public boolean isEnabled() {
+				return activeEditorPart instanceof IViewerProvider;
+			}
+
+			@Override
+			public void run() {
+				if (activeEditorPart instanceof IViewerProvider) {
+					Viewer viewer = ((IViewerProvider)activeEditorPart).getViewer();
+					if (viewer != null) {
+						viewer.refresh();
+					}
+				}
+			}
+		};
+
+	/**
+	 * This will contain one {@link org.eclipse.emf.edit.ui.action.CreateChildAction} corresponding to each descriptor
+	 * generated for the current selection by the item provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> createChildActions;
+
+	/**
+	 * This is the menu manager into which menu contribution items should be added for CreateChild actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IMenuManager createChildMenuManager;
+
+	/**
+	 * This will contain one {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} corresponding to each descriptor
+	 * generated for the current selection by the item provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> createSiblingActions;
+
+	/**
+	 * This is the menu manager into which menu contribution items should be added for CreateSibling actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IMenuManager createSiblingMenuManager;
+
+	/**
+	 * This creates an instance of the contributor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GraphActionBarContributor() {
+		super(ADDITIONS_LAST_STYLE);
+		loadResourceAction = new LoadResourceAction();
+		validateAction = new ValidateAction();
+		controlAction = new ControlAction();
+	}
+
+	/**
+	 * This adds Separators for editor additions to the tool bar.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void contributeToToolBar(IToolBarManager toolBarManager) {
+		toolBarManager.add(new Separator("graph-settings"));
+		toolBarManager.add(new Separator("graph-additions"));
+	}
+
+	/**
+	 * This adds to the menu bar a menu and some separators for editor additions,
+	 * as well as the sub-menus for object creation items.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void contributeToMenu(IMenuManager menuManager) {
+		super.contributeToMenu(menuManager);
+
+		IMenuManager submenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_GraphEditor_menu"), "graphMenuID");
+		menuManager.insertAfter("additions", submenuManager);
+		submenuManager.add(new Separator("settings"));
+		submenuManager.add(new Separator("actions"));
+		submenuManager.add(new Separator("additions"));
+		submenuManager.add(new Separator("additions-end"));
+
+		// Prepare for CreateChild item addition or removal.
+		//
+		createChildMenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateChild_menu_item"));
+		submenuManager.insertBefore("additions", createChildMenuManager);
+
+		// Prepare for CreateSibling item addition or removal.
+		//
+		createSiblingMenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateSibling_menu_item"));
+		submenuManager.insertBefore("additions", createSiblingMenuManager);
+
+		// Force an update because Eclipse hides empty menus now.
+		//
+		submenuManager.addMenuListener
+			(new IMenuListener() {
+				 public void menuAboutToShow(IMenuManager menuManager) {
+					 menuManager.updateAll(true);
+				 }
+			 });
+
+		addGlobalActions(submenuManager);
+	}
+
+	/**
+	 * When the active editor changes, this remembers the change and registers with it as a selection provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void setActiveEditor(IEditorPart part) {
+		super.setActiveEditor(part);
+		activeEditorPart = part;
+
+		// Switch to the new selection provider.
+		//
+		if (selectionProvider != null) {
+			selectionProvider.removeSelectionChangedListener(this);
+		}
+		if (part == null) {
+			selectionProvider = null;
+		}
+		else {
+			selectionProvider = part.getSite().getSelectionProvider();
+			selectionProvider.addSelectionChangedListener(this);
+
+			// Fake a selection changed event to update the menus.
+			//
+			if (selectionProvider.getSelection() != null) {
+				selectionChanged(new SelectionChangedEvent(selectionProvider, selectionProvider.getSelection()));
+			}
+		}
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionChangedListener},
+	 * handling {@link org.eclipse.jface.viewers.SelectionChangedEvent}s by querying for the children and siblings
+	 * that can be added to the selected object and updating the menus accordingly.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void selectionChanged(SelectionChangedEvent event) {
+		// Remove any menu items for old selection.
+		//
+		if (createChildMenuManager != null) {
+			depopulateManager(createChildMenuManager, createChildActions);
+		}
+		if (createSiblingMenuManager != null) {
+			depopulateManager(createSiblingMenuManager, createSiblingActions);
+		}
+
+		// Query the new selection for appropriate new child/sibling descriptors
+		//
+		Collection<?> newChildDescriptors = null;
+		Collection<?> newSiblingDescriptors = null;
+
+		ISelection selection = event.getSelection();
+		if (selection instanceof IStructuredSelection && ((IStructuredSelection)selection).size() == 1) {
+			Object object = ((IStructuredSelection)selection).getFirstElement();
+
+			EditingDomain domain = ((IEditingDomainProvider)activeEditorPart).getEditingDomain();
+
+			newChildDescriptors = domain.getNewChildDescriptors(object, null);
+			newSiblingDescriptors = domain.getNewChildDescriptors(null, object);
+		}
+
+		// Generate actions for selection; populate and redraw the menus.
+		//
+		createChildActions = generateCreateChildActions(newChildDescriptors, selection);
+		createSiblingActions = generateCreateSiblingActions(newSiblingDescriptors, selection);
+
+		if (createChildMenuManager != null) {
+			populateManager(createChildMenuManager, createChildActions, null);
+			createChildMenuManager.update(true);
+		}
+		if (createSiblingMenuManager != null) {
+			populateManager(createSiblingMenuManager, createSiblingActions, null);
+			createSiblingMenuManager.update(true);
+		}
+	}
+
+	/**
+	 * This generates a {@link org.eclipse.emf.edit.ui.action.CreateChildAction} for each object in <code>descriptors</code>,
+	 * and returns the collection of these actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> generateCreateChildActions(Collection<?> descriptors, ISelection selection) {
+		Collection<IAction> actions = new ArrayList<IAction>();
+		if (descriptors != null) {
+			for (Object descriptor : descriptors) {
+				actions.add(new CreateChildAction(activeEditorPart, selection, descriptor));
+			}
+		}
+		return actions;
+	}
+
+	/**
+	 * This generates a {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} for each object in <code>descriptors</code>,
+	 * and returns the collection of these actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> generateCreateSiblingActions(Collection<?> descriptors, ISelection selection) {
+		Collection<IAction> actions = new ArrayList<IAction>();
+		if (descriptors != null) {
+			for (Object descriptor : descriptors) {
+				actions.add(new CreateSiblingAction(activeEditorPart, selection, descriptor));
+			}
+		}
+		return actions;
+	}
+
+	/**
+	 * This populates the specified <code>manager</code> with {@link org.eclipse.jface.action.ActionContributionItem}s
+	 * based on the {@link org.eclipse.jface.action.IAction}s contained in the <code>actions</code> collection,
+	 * by inserting them before the specified contribution item <code>contributionID</code>.
+	 * If <code>contributionID</code> is <code>null</code>, they are simply added.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void populateManager(IContributionManager manager, Collection<? extends IAction> actions, String contributionID) {
+		if (actions != null) {
+			for (IAction action : actions) {
+				if (contributionID != null) {
+					manager.insertBefore(contributionID, action);
+				}
+				else {
+					manager.add(action);
+				}
+			}
+		}
+	}
+		
+	/**
+	 * This removes from the specified <code>manager</code> all {@link org.eclipse.jface.action.ActionContributionItem}s
+	 * based on the {@link org.eclipse.jface.action.IAction}s contained in the <code>actions</code> collection.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void depopulateManager(IContributionManager manager, Collection<? extends IAction> actions) {
+		if (actions != null) {
+			IContributionItem[] items = manager.getItems();
+			for (int i = 0; i < items.length; i++) {
+				// Look into SubContributionItems
+				//
+				IContributionItem contributionItem = items[i];
+				while (contributionItem instanceof SubContributionItem) {
+					contributionItem = ((SubContributionItem)contributionItem).getInnerItem();
+				}
+
+				// Delete the ActionContributionItems with matching action.
+				//
+				if (contributionItem instanceof ActionContributionItem) {
+					IAction action = ((ActionContributionItem)contributionItem).getAction();
+					if (actions.contains(action)) {
+						manager.remove(contributionItem);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * This populates the pop-up menu before it appears.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void menuAboutToShow(IMenuManager menuManager) {
+		super.menuAboutToShow(menuManager);
+		MenuManager submenuManager = null;
+
+		submenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateChild_menu_item"));
+		populateManager(submenuManager, createChildActions, null);
+		menuManager.insertBefore("edit", submenuManager);
+
+		submenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateSibling_menu_item"));
+		populateManager(submenuManager, createSiblingActions, null);
+		menuManager.insertBefore("edit", submenuManager);
+	}
+
+	/**
+	 * This inserts global actions before the "additions-end" separator.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void addGlobalActions(IMenuManager menuManager) {
+		menuManager.insertAfter("additions-end", new Separator("ui-actions"));
+		menuManager.insertAfter("ui-actions", showPropertiesViewAction);
+
+		refreshViewerAction.setEnabled(refreshViewerAction.isEnabled());		
+		menuManager.insertAfter("ui-actions", refreshViewerAction);
+
+		super.addGlobalActions(menuManager);
+	}
+
+	/**
+	 * This ensures that a delete action will clean up all references to deleted objects.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected boolean removeAllReferencesOnDelete() {
+		return true;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/graph/presentation/GraphEditor.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/graph/presentation/GraphEditor.java
new file mode 100644
index 0000000..bb463a4
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/graph/presentation/GraphEditor.java
@@ -0,0 +1,1748 @@
+/**
+ */
+package graph.presentation;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.EventObject;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceChangeEvent;
+import org.eclipse.core.resources.IResourceChangeListener;
+import org.eclipse.core.resources.IResourceDelta;
+import org.eclipse.core.resources.IResourceDeltaVisitor;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.emf.common.command.BasicCommandStack;
+import org.eclipse.emf.common.command.Command;
+import org.eclipse.emf.common.command.CommandStack;
+import org.eclipse.emf.common.command.CommandStackListener;
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.ui.MarkerHelper;
+import org.eclipse.emf.common.ui.ViewerPane;
+import org.eclipse.emf.common.ui.editor.ProblemEditorPart;
+import org.eclipse.emf.common.ui.viewer.IViewerProvider;
+import org.eclipse.emf.common.util.BasicDiagnostic;
+import org.eclipse.emf.common.util.Diagnostic;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.emf.ecore.util.EContentAdapter;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
+import org.eclipse.emf.edit.domain.EditingDomain;
+import org.eclipse.emf.edit.domain.IEditingDomainProvider;
+import org.eclipse.emf.edit.provider.AdapterFactoryItemDelegator;
+import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
+import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory;
+import org.eclipse.emf.edit.provider.resource.ResourceItemProviderAdapterFactory;
+import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;
+import org.eclipse.emf.edit.ui.celleditor.AdapterFactoryTreeEditor;
+import org.eclipse.emf.edit.ui.dnd.EditingDomainViewerDropAdapter;
+import org.eclipse.emf.edit.ui.dnd.LocalTransfer;
+import org.eclipse.emf.edit.ui.dnd.ViewerDragAdapter;
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
+import org.eclipse.emf.edit.ui.provider.UnwrappingSelectionProvider;
+import org.eclipse.emf.edit.ui.util.EditUIMarkerHelper;
+import org.eclipse.emf.edit.ui.util.EditUIUtil;
+import org.eclipse.emf.edit.ui.view.ExtendedPropertySheetPage;
+import org.eclipse.jface.action.IMenuListener;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.IStatusLineManager;
+import org.eclipse.jface.action.IToolBarManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.dialogs.ProgressMonitorDialog;
+import org.eclipse.jface.util.LocalSelectionTransfer;
+import org.eclipse.jface.viewers.ColumnWeightData;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.ListViewer;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.jface.viewers.StructuredViewer;
+import org.eclipse.jface.viewers.TableLayout;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.viewers.Viewer;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.CTabFolder;
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.FileTransfer;
+import org.eclipse.swt.dnd.Transfer;
+import org.eclipse.swt.events.ControlAdapter;
+import org.eclipse.swt.events.ControlEvent;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.layout.FillLayout;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Menu;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+import org.eclipse.swt.widgets.Tree;
+import org.eclipse.swt.widgets.TreeColumn;
+import org.eclipse.ui.IActionBars;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IEditorSite;
+import org.eclipse.ui.IPartListener;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.PartInitException;
+import org.eclipse.ui.actions.WorkspaceModifyOperation;
+import org.eclipse.ui.dialogs.SaveAsDialog;
+import org.eclipse.ui.ide.IGotoMarker;
+import org.eclipse.ui.part.FileEditorInput;
+import org.eclipse.ui.part.MultiPageEditorPart;
+import org.eclipse.ui.views.contentoutline.ContentOutline;
+import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
+import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
+import org.eclipse.ui.views.properties.IPropertySheetPage;
+import org.eclipse.ui.views.properties.PropertySheet;
+import org.eclipse.ui.views.properties.PropertySheetPage;
+
+import graph.provider.GraphItemProviderAdapterFactory;
+import laxcondition.provider.LaxconditionItemProviderAdapterFactory;
+import nestedcondition.provider.NestedconditionItemProviderAdapterFactory;
+import nestedconstraintmodel.presentation.NestedconstraintmodelEditorPlugin;
+import nestedconstraintmodel.provider.NestedconstraintmodelItemProviderAdapterFactory;
+
+/**
+ * This is an example of a Graph model editor. <!-- begin-user-doc --> <!--
+ * end-user-doc -->
+ * 
+ * @generated
+ */
+public class GraphEditor extends MultiPageEditorPart
+		implements IEditingDomainProvider, ISelectionProvider, IMenuListener, IViewerProvider, IGotoMarker {
+	/**
+	 * This keeps track of the editing domain that is used to track all changes
+	 * to the model. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected AdapterFactoryEditingDomain editingDomain;
+
+	/**
+	 * This is the one adapter factory used for providing views of the model.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected ComposedAdapterFactory adapterFactory;
+
+	/**
+	 * This is the content outline page. <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected IContentOutlinePage contentOutlinePage;
+
+	/**
+	 * This is a kludge... <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected IStatusLineManager contentOutlineStatusLineManager;
+
+	/**
+	 * This is the content outline page's viewer. <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected TreeViewer contentOutlineViewer;
+
+	/**
+	 * This is the property sheet page. <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected List<PropertySheetPage> propertySheetPages = new ArrayList<PropertySheetPage>();
+
+	/**
+	 * This is the viewer that shadows the selection in the content outline. The
+	 * parent relation must be correctly defined for this to work. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected TreeViewer selectionViewer;
+
+	/**
+	 * This inverts the roll of parent and child in the content provider and
+	 * show parents as a tree. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected TreeViewer parentViewer;
+
+	/**
+	 * This shows how a tree view works. <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected TreeViewer treeViewer;
+
+	/**
+	 * This shows how a list view works. A list viewer doesn't support icons.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected ListViewer listViewer;
+
+	/**
+	 * This shows how a table view works. A table can be used as a list with
+	 * icons. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected TableViewer tableViewer;
+
+	/**
+	 * This shows how a tree view with columns works. <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected TreeViewer treeViewerWithColumns;
+
+	/**
+	 * This keeps track of the active viewer pane, in the book. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected ViewerPane currentViewerPane;
+
+	/**
+	 * This keeps track of the active content viewer, which may be either one of
+	 * the viewers in the pages or the content outline viewer. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected Viewer currentViewer;
+
+	/**
+	 * This listens to which ever viewer is active. <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected ISelectionChangedListener selectionChangedListener;
+
+	/**
+	 * This keeps track of all the
+	 * {@link org.eclipse.jface.viewers.ISelectionChangedListener}s that are
+	 * listening to this editor. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected Collection<ISelectionChangedListener> selectionChangedListeners = new ArrayList<ISelectionChangedListener>();
+
+	/**
+	 * This keeps track of the selection of the editor as a whole. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected ISelection editorSelection = StructuredSelection.EMPTY;
+
+	/**
+	 * The MarkerHelper is responsible for creating workspace resource markers
+	 * presented in Eclipse's Problems View. <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected MarkerHelper markerHelper = new EditUIMarkerHelper();
+
+	/**
+	 * This listens for when the outline becomes active <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected IPartListener partListener = new IPartListener() {
+		public void partActivated(IWorkbenchPart p) {
+			if (p instanceof ContentOutline) {
+				if (((ContentOutline) p).getCurrentPage() == contentOutlinePage) {
+					getActionBarContributor().setActiveEditor(GraphEditor.this);
+
+					setCurrentViewer(contentOutlineViewer);
+				}
+			} else if (p instanceof PropertySheet) {
+				if (propertySheetPages.contains(((PropertySheet) p).getCurrentPage())) {
+					getActionBarContributor().setActiveEditor(GraphEditor.this);
+					handleActivate();
+				}
+			} else if (p == GraphEditor.this) {
+				handleActivate();
+			}
+		}
+
+		public void partBroughtToTop(IWorkbenchPart p) {
+			// Ignore.
+		}
+
+		public void partClosed(IWorkbenchPart p) {
+			// Ignore.
+		}
+
+		public void partDeactivated(IWorkbenchPart p) {
+			// Ignore.
+		}
+
+		public void partOpened(IWorkbenchPart p) {
+			// Ignore.
+		}
+	};
+
+	/**
+	 * Resources that have been removed since last activation. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected Collection<Resource> removedResources = new ArrayList<Resource>();
+
+	/**
+	 * Resources that have been changed since last activation. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected Collection<Resource> changedResources = new ArrayList<Resource>();
+
+	/**
+	 * Resources that have been saved. <!-- begin-user-doc --> <!-- end-user-doc
+	 * -->
+	 * 
+	 * @generated
+	 */
+	protected Collection<Resource> savedResources = new ArrayList<Resource>();
+
+	/**
+	 * Map to store the diagnostic associated with a resource. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected Map<Resource, Diagnostic> resourceToDiagnosticMap = new LinkedHashMap<Resource, Diagnostic>();
+
+	/**
+	 * Controls whether the problem indication should be updated. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected boolean updateProblemIndication = true;
+
+	/**
+	 * Adapter used to update the problem indication when resources are demanded
+	 * loaded. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected EContentAdapter problemIndicationAdapter = new EContentAdapter() {
+		@Override
+		public void notifyChanged(Notification notification) {
+			if (notification.getNotifier() instanceof Resource) {
+				switch (notification.getFeatureID(Resource.class)) {
+				case Resource.RESOURCE__IS_LOADED:
+				case Resource.RESOURCE__ERRORS:
+				case Resource.RESOURCE__WARNINGS: {
+					Resource resource = (Resource) notification.getNotifier();
+					Diagnostic diagnostic = analyzeResourceProblems(resource, null);
+					if (diagnostic.getSeverity() != Diagnostic.OK) {
+						resourceToDiagnosticMap.put(resource, diagnostic);
+					} else {
+						resourceToDiagnosticMap.remove(resource);
+					}
+
+					if (updateProblemIndication) {
+						getSite().getShell().getDisplay().asyncExec(new Runnable() {
+							public void run() {
+								updateProblemIndication();
+							}
+						});
+					}
+					break;
+				}
+				}
+			} else {
+				super.notifyChanged(notification);
+			}
+		}
+
+		@Override
+		protected void setTarget(Resource target) {
+			basicSetTarget(target);
+		}
+
+		@Override
+		protected void unsetTarget(Resource target) {
+			basicUnsetTarget(target);
+			resourceToDiagnosticMap.remove(target);
+			if (updateProblemIndication) {
+				getSite().getShell().getDisplay().asyncExec(new Runnable() {
+					public void run() {
+						updateProblemIndication();
+					}
+				});
+			}
+		}
+	};
+
+	/**
+	 * This listens for workspace changes. <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected IResourceChangeListener resourceChangeListener = new IResourceChangeListener() {
+		public void resourceChanged(IResourceChangeEvent event) {
+			IResourceDelta delta = event.getDelta();
+			try {
+				class ResourceDeltaVisitor implements IResourceDeltaVisitor {
+					protected ResourceSet resourceSet = editingDomain.getResourceSet();
+					protected Collection<Resource> changedResources = new ArrayList<Resource>();
+					protected Collection<Resource> removedResources = new ArrayList<Resource>();
+
+					public boolean visit(IResourceDelta delta) {
+						if (delta.getResource().getType() == IResource.FILE) {
+							if (delta.getKind() == IResourceDelta.REMOVED || delta.getKind() == IResourceDelta.CHANGED
+									&& delta.getFlags() != IResourceDelta.MARKERS) {
+								Resource resource = resourceSet.getResource(
+										URI.createPlatformResourceURI(delta.getFullPath().toString(), true), false);
+								if (resource != null) {
+									if (delta.getKind() == IResourceDelta.REMOVED) {
+										removedResources.add(resource);
+									} else if (!savedResources.remove(resource)) {
+										changedResources.add(resource);
+									}
+								}
+							}
+							return false;
+						}
+
+						return true;
+					}
+
+					public Collection<Resource> getChangedResources() {
+						return changedResources;
+					}
+
+					public Collection<Resource> getRemovedResources() {
+						return removedResources;
+					}
+				}
+
+				final ResourceDeltaVisitor visitor = new ResourceDeltaVisitor();
+				delta.accept(visitor);
+
+				if (!visitor.getRemovedResources().isEmpty()) {
+					getSite().getShell().getDisplay().asyncExec(new Runnable() {
+						public void run() {
+							removedResources.addAll(visitor.getRemovedResources());
+							if (!isDirty()) {
+								getSite().getPage().closeEditor(GraphEditor.this, false);
+							}
+						}
+					});
+				}
+
+				if (!visitor.getChangedResources().isEmpty()) {
+					getSite().getShell().getDisplay().asyncExec(new Runnable() {
+						public void run() {
+							changedResources.addAll(visitor.getChangedResources());
+							if (getSite().getPage().getActiveEditor() == GraphEditor.this) {
+								handleActivate();
+							}
+						}
+					});
+				}
+			} catch (CoreException exception) {
+				NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+			}
+		}
+	};
+
+	/**
+	 * Handles activation of the editor or it's associated views. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected void handleActivate() {
+		// Recompute the read only state.
+		//
+		if (editingDomain.getResourceToReadOnlyMap() != null) {
+			editingDomain.getResourceToReadOnlyMap().clear();
+
+			// Refresh any actions that may become enabled or disabled.
+			//
+			setSelection(getSelection());
+		}
+
+		if (!removedResources.isEmpty()) {
+			if (handleDirtyConflict()) {
+				getSite().getPage().closeEditor(GraphEditor.this, false);
+			} else {
+				removedResources.clear();
+				changedResources.clear();
+				savedResources.clear();
+			}
+		} else if (!changedResources.isEmpty()) {
+			changedResources.removeAll(savedResources);
+			handleChangedResources();
+			changedResources.clear();
+			savedResources.clear();
+		}
+	}
+
+	/**
+	 * Handles what to do with changed resources on activation. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected void handleChangedResources() {
+		if (!changedResources.isEmpty() && (!isDirty() || handleDirtyConflict())) {
+			if (isDirty()) {
+				changedResources.addAll(editingDomain.getResourceSet().getResources());
+			}
+			editingDomain.getCommandStack().flush();
+
+			updateProblemIndication = false;
+			for (Resource resource : changedResources) {
+				if (resource.isLoaded()) {
+					resource.unload();
+					try {
+						resource.load(Collections.EMPTY_MAP);
+					} catch (IOException exception) {
+						if (!resourceToDiagnosticMap.containsKey(resource)) {
+							resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
+						}
+					}
+				}
+			}
+
+			if (AdapterFactoryEditingDomain.isStale(editorSelection)) {
+				setSelection(StructuredSelection.EMPTY);
+			}
+
+			updateProblemIndication = true;
+			updateProblemIndication();
+		}
+	}
+
+	/**
+	 * Updates the problems indication with the information described in the
+	 * specified diagnostic. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected void updateProblemIndication() {
+		if (updateProblemIndication) {
+			BasicDiagnostic diagnostic = new BasicDiagnostic(Diagnostic.OK, "de.unimarburg.swt.ocl2ac.model.editor", 0,
+					null, new Object[] { editingDomain.getResourceSet() });
+			for (Diagnostic childDiagnostic : resourceToDiagnosticMap.values()) {
+				if (childDiagnostic.getSeverity() != Diagnostic.OK) {
+					diagnostic.add(childDiagnostic);
+				}
+			}
+
+			int lastEditorPage = getPageCount() - 1;
+			if (lastEditorPage >= 0 && getEditor(lastEditorPage) instanceof ProblemEditorPart) {
+				((ProblemEditorPart) getEditor(lastEditorPage)).setDiagnostic(diagnostic);
+				if (diagnostic.getSeverity() != Diagnostic.OK) {
+					setActivePage(lastEditorPage);
+				}
+			} else if (diagnostic.getSeverity() != Diagnostic.OK) {
+				ProblemEditorPart problemEditorPart = new ProblemEditorPart();
+				problemEditorPart.setDiagnostic(diagnostic);
+				problemEditorPart.setMarkerHelper(markerHelper);
+				try {
+					addPage(++lastEditorPage, problemEditorPart, getEditorInput());
+					setPageText(lastEditorPage, problemEditorPart.getPartName());
+					setActivePage(lastEditorPage);
+					showTabs();
+				} catch (PartInitException exception) {
+					NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+				}
+			}
+
+			if (markerHelper.hasMarkers(editingDomain.getResourceSet())) {
+				markerHelper.deleteMarkers(editingDomain.getResourceSet());
+				if (diagnostic.getSeverity() != Diagnostic.OK) {
+					try {
+						markerHelper.createMarkers(diagnostic);
+					} catch (CoreException exception) {
+						NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * Shows a dialog that asks if conflicting changes should be discarded. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected boolean handleDirtyConflict() {
+		return MessageDialog.openQuestion(getSite().getShell(), getString("_UI_FileConflict_label"),
+				getString("_WARN_FileConflict"));
+	}
+
+	/**
+	 * This creates a model editor. <!-- begin-user-doc --> <!-- end-user-doc
+	 * -->
+	 * 
+	 * @generated
+	 */
+	public GraphEditor() {
+		super();
+		initializeEditingDomain();
+	}
+
+	/**
+	 * This sets up the editing domain for the model editor. <!-- begin-user-doc
+	 * --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected void initializeEditingDomain() {
+		// Create an adapter factory that yields item providers.
+		//
+		adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
+
+		adapterFactory.addAdapterFactory(new ResourceItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new NestedconstraintmodelItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new NestedconditionItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new GraphItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new LaxconditionItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new ReflectiveItemProviderAdapterFactory());
+
+		// Create the command stack that will notify this editor as commands are
+		// executed.
+		//
+		BasicCommandStack commandStack = new BasicCommandStack();
+
+		// Add a listener to set the most recent command's affected objects to
+		// be the selection of the viewer with focus.
+		//
+		commandStack.addCommandStackListener(new CommandStackListener() {
+			public void commandStackChanged(final EventObject event) {
+				getContainer().getDisplay().asyncExec(new Runnable() {
+					public void run() {
+						firePropertyChange(IEditorPart.PROP_DIRTY);
+
+						// Try to select the affected objects.
+						//
+						Command mostRecentCommand = ((CommandStack) event.getSource()).getMostRecentCommand();
+						if (mostRecentCommand != null) {
+							setSelectionToViewer(mostRecentCommand.getAffectedObjects());
+						}
+						for (Iterator<PropertySheetPage> i = propertySheetPages.iterator(); i.hasNext();) {
+							PropertySheetPage propertySheetPage = i.next();
+							if (propertySheetPage.getControl().isDisposed()) {
+								i.remove();
+							} else {
+								propertySheetPage.refresh();
+							}
+						}
+					}
+				});
+			}
+		});
+
+		// Create the editing domain with a special command stack.
+		//
+		editingDomain = new AdapterFactoryEditingDomain(adapterFactory, commandStack, new HashMap<Resource, Boolean>());
+	}
+
+	/**
+	 * This is here for the listener to be able to call it. <!-- begin-user-doc
+	 * --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	@Override
+	protected void firePropertyChange(int action) {
+		super.firePropertyChange(action);
+	}
+
+	/**
+	 * This sets the selection into whichever viewer is active. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public void setSelectionToViewer(Collection<?> collection) {
+		final Collection<?> theSelection = collection;
+		// Make sure it's okay.
+		//
+		if (theSelection != null && !theSelection.isEmpty()) {
+			Runnable runnable = new Runnable() {
+				public void run() {
+					// Try to select the items in the current content viewer of
+					// the editor.
+					//
+					if (currentViewer != null) {
+						currentViewer.setSelection(new StructuredSelection(theSelection.toArray()), true);
+					}
+				}
+			};
+			getSite().getShell().getDisplay().asyncExec(runnable);
+		}
+	}
+
+	/**
+	 * This returns the editing domain as required by the
+	 * {@link IEditingDomainProvider} interface. This is important for
+	 * implementing the static methods of {@link AdapterFactoryEditingDomain}
+	 * and for supporting {@link org.eclipse.emf.edit.ui.action.CommandAction}.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public EditingDomain getEditingDomain() {
+		return editingDomain;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public class ReverseAdapterFactoryContentProvider extends AdapterFactoryContentProvider {
+		/**
+		 * <!-- begin-user-doc --> <!-- end-user-doc -->
+		 * 
+		 * @generated
+		 */
+		public ReverseAdapterFactoryContentProvider(AdapterFactory adapterFactory) {
+			super(adapterFactory);
+		}
+
+		/**
+		 * <!-- begin-user-doc --> <!-- end-user-doc -->
+		 * 
+		 * @generated
+		 */
+		@Override
+		public Object[] getElements(Object object) {
+			Object parent = super.getParent(object);
+			return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray();
+		}
+
+		/**
+		 * <!-- begin-user-doc --> <!-- end-user-doc -->
+		 * 
+		 * @generated
+		 */
+		@Override
+		public Object[] getChildren(Object object) {
+			Object parent = super.getParent(object);
+			return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray();
+		}
+
+		/**
+		 * <!-- begin-user-doc --> <!-- end-user-doc -->
+		 * 
+		 * @generated
+		 */
+		@Override
+		public boolean hasChildren(Object object) {
+			Object parent = super.getParent(object);
+			return parent != null;
+		}
+
+		/**
+		 * <!-- begin-user-doc --> <!-- end-user-doc -->
+		 * 
+		 * @generated
+		 */
+		@Override
+		public Object getParent(Object object) {
+			return null;
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public void setCurrentViewerPane(ViewerPane viewerPane) {
+		if (currentViewerPane != viewerPane) {
+			if (currentViewerPane != null) {
+				currentViewerPane.showFocus(false);
+			}
+			currentViewerPane = viewerPane;
+		}
+		setCurrentViewer(currentViewerPane.getViewer());
+	}
+
+	/**
+	 * This makes sure that one content viewer, either for the current page or
+	 * the outline view, if it has focus, is the current one. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public void setCurrentViewer(Viewer viewer) {
+		// If it is changing...
+		//
+		if (currentViewer != viewer) {
+			if (selectionChangedListener == null) {
+				// Create the listener on demand.
+				//
+				selectionChangedListener = new ISelectionChangedListener() {
+					// This just notifies those things that are affected by the
+					// section.
+					//
+					public void selectionChanged(SelectionChangedEvent selectionChangedEvent) {
+						setSelection(selectionChangedEvent.getSelection());
+					}
+				};
+			}
+
+			// Stop listening to the old one.
+			//
+			if (currentViewer != null) {
+				currentViewer.removeSelectionChangedListener(selectionChangedListener);
+			}
+
+			// Start listening to the new one.
+			//
+			if (viewer != null) {
+				viewer.addSelectionChangedListener(selectionChangedListener);
+			}
+
+			// Remember it.
+			//
+			currentViewer = viewer;
+
+			// Set the editors selection based on the current viewer's
+			// selection.
+			//
+			setSelection(currentViewer == null ? StructuredSelection.EMPTY : currentViewer.getSelection());
+		}
+	}
+
+	/**
+	 * This returns the viewer as required by the {@link IViewerProvider}
+	 * interface. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public Viewer getViewer() {
+		return currentViewer;
+	}
+
+	/**
+	 * This creates a context menu for the viewer and adds a listener as well
+	 * registering the menu for extension. <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected void createContextMenuFor(StructuredViewer viewer) {
+		MenuManager contextMenu = new MenuManager("#PopUp");
+		contextMenu.add(new Separator("additions"));
+		contextMenu.setRemoveAllWhenShown(true);
+		contextMenu.addMenuListener(this);
+		Menu menu = contextMenu.createContextMenu(viewer.getControl());
+		viewer.getControl().setMenu(menu);
+		getSite().registerContextMenu(contextMenu, new UnwrappingSelectionProvider(viewer));
+
+		int dndOperations = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
+		Transfer[] transfers = new Transfer[] { LocalTransfer.getInstance(), LocalSelectionTransfer.getTransfer(),
+				FileTransfer.getInstance() };
+		viewer.addDragSupport(dndOperations, transfers, new ViewerDragAdapter(viewer));
+		viewer.addDropSupport(dndOperations, transfers, new EditingDomainViewerDropAdapter(editingDomain, viewer));
+	}
+
+	/**
+	 * This is the method called to load a resource into the editing domain's
+	 * resource set based on the editor's input. <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public void createModel() {
+		URI resourceURI = EditUIUtil.getURI(getEditorInput(), editingDomain.getResourceSet().getURIConverter());
+		Exception exception = null;
+		Resource resource = null;
+		try {
+			// Load the resource through the editing domain.
+			//
+			resource = editingDomain.getResourceSet().getResource(resourceURI, true);
+		} catch (Exception e) {
+			exception = e;
+			resource = editingDomain.getResourceSet().getResource(resourceURI, false);
+		}
+
+		Diagnostic diagnostic = analyzeResourceProblems(resource, exception);
+		if (diagnostic.getSeverity() != Diagnostic.OK) {
+			resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
+		}
+		editingDomain.getResourceSet().eAdapters().add(problemIndicationAdapter);
+	}
+
+	/**
+	 * Returns a diagnostic describing the errors and warnings listed in the
+	 * resource and the specified exception (if any). <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public Diagnostic analyzeResourceProblems(Resource resource, Exception exception) {
+		boolean hasErrors = !resource.getErrors().isEmpty();
+		if (hasErrors || !resource.getWarnings().isEmpty()) {
+			BasicDiagnostic basicDiagnostic = new BasicDiagnostic(hasErrors ? Diagnostic.ERROR : Diagnostic.WARNING,
+					"de.unimarburg.swt.ocl2ac.model.editor", 0,
+					getString("_UI_CreateModelError_message", resource.getURI()),
+					new Object[] { exception == null ? (Object) resource : exception });
+			basicDiagnostic.merge(EcoreUtil.computeDiagnostic(resource, true));
+			return basicDiagnostic;
+		} else if (exception != null) {
+			return new BasicDiagnostic(Diagnostic.ERROR, "de.unimarburg.swt.ocl2ac.model.editor", 0,
+					getString("_UI_CreateModelError_message", resource.getURI()), new Object[] { exception });
+		} else {
+			return Diagnostic.OK_INSTANCE;
+		}
+	}
+
+	/**
+	 * This is the method used by the framework to install your own controls.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	@Override
+	public void createPages() {
+		// Creates the model from the editor input
+		//
+		createModel();
+
+		// Only creates the other pages if there is something that can be edited
+		//
+		if (!getEditingDomain().getResourceSet().getResources().isEmpty()) {
+			// Create a page for the selection tree view.
+			//
+			{
+				ViewerPane viewerPane = new ViewerPane(getSite().getPage(), GraphEditor.this) {
+					@Override
+					public Viewer createViewer(Composite composite) {
+						Tree tree = new Tree(composite, SWT.MULTI);
+						TreeViewer newTreeViewer = new TreeViewer(tree);
+						return newTreeViewer;
+					}
+
+					@Override
+					public void requestActivation() {
+						super.requestActivation();
+						setCurrentViewerPane(this);
+					}
+				};
+				viewerPane.createControl(getContainer());
+
+				selectionViewer = (TreeViewer) viewerPane.getViewer();
+				selectionViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+
+				selectionViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+				selectionViewer.setInput(editingDomain.getResourceSet());
+				selectionViewer.setSelection(
+						new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)), true);
+				viewerPane.setTitle(editingDomain.getResourceSet());
+
+				new AdapterFactoryTreeEditor(selectionViewer.getTree(), adapterFactory);
+
+				createContextMenuFor(selectionViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_SelectionPage_label"));
+			}
+
+			// Create a page for the parent tree view.
+			//
+			{
+				ViewerPane viewerPane = new ViewerPane(getSite().getPage(), GraphEditor.this) {
+					@Override
+					public Viewer createViewer(Composite composite) {
+						Tree tree = new Tree(composite, SWT.MULTI);
+						TreeViewer newTreeViewer = new TreeViewer(tree);
+						return newTreeViewer;
+					}
+
+					@Override
+					public void requestActivation() {
+						super.requestActivation();
+						setCurrentViewerPane(this);
+					}
+				};
+				viewerPane.createControl(getContainer());
+
+				parentViewer = (TreeViewer) viewerPane.getViewer();
+				parentViewer.setAutoExpandLevel(30);
+				parentViewer.setContentProvider(new ReverseAdapterFactoryContentProvider(adapterFactory));
+				parentViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(parentViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_ParentPage_label"));
+			}
+
+			// This is the page for the list viewer
+			//
+			{
+				ViewerPane viewerPane = new ViewerPane(getSite().getPage(), GraphEditor.this) {
+					@Override
+					public Viewer createViewer(Composite composite) {
+						return new ListViewer(composite);
+					}
+
+					@Override
+					public void requestActivation() {
+						super.requestActivation();
+						setCurrentViewerPane(this);
+					}
+				};
+				viewerPane.createControl(getContainer());
+				listViewer = (ListViewer) viewerPane.getViewer();
+				listViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				listViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(listViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_ListPage_label"));
+			}
+
+			// This is the page for the tree viewer
+			//
+			{
+				ViewerPane viewerPane = new ViewerPane(getSite().getPage(), GraphEditor.this) {
+					@Override
+					public Viewer createViewer(Composite composite) {
+						return new TreeViewer(composite);
+					}
+
+					@Override
+					public void requestActivation() {
+						super.requestActivation();
+						setCurrentViewerPane(this);
+					}
+				};
+				viewerPane.createControl(getContainer());
+				treeViewer = (TreeViewer) viewerPane.getViewer();
+				treeViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				treeViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				new AdapterFactoryTreeEditor(treeViewer.getTree(), adapterFactory);
+
+				createContextMenuFor(treeViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_TreePage_label"));
+			}
+
+			// This is the page for the table viewer.
+			//
+			{
+				ViewerPane viewerPane = new ViewerPane(getSite().getPage(), GraphEditor.this) {
+					@Override
+					public Viewer createViewer(Composite composite) {
+						return new TableViewer(composite);
+					}
+
+					@Override
+					public void requestActivation() {
+						super.requestActivation();
+						setCurrentViewerPane(this);
+					}
+				};
+				viewerPane.createControl(getContainer());
+				tableViewer = (TableViewer) viewerPane.getViewer();
+
+				Table table = tableViewer.getTable();
+				TableLayout layout = new TableLayout();
+				table.setLayout(layout);
+				table.setHeaderVisible(true);
+				table.setLinesVisible(true);
+
+				TableColumn objectColumn = new TableColumn(table, SWT.NONE);
+				layout.addColumnData(new ColumnWeightData(3, 100, true));
+				objectColumn.setText(getString("_UI_ObjectColumn_label"));
+				objectColumn.setResizable(true);
+
+				TableColumn selfColumn = new TableColumn(table, SWT.NONE);
+				layout.addColumnData(new ColumnWeightData(2, 100, true));
+				selfColumn.setText(getString("_UI_SelfColumn_label"));
+				selfColumn.setResizable(true);
+
+				tableViewer.setColumnProperties(new String[] { "a", "b" });
+				tableViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				tableViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(tableViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_TablePage_label"));
+			}
+
+			// This is the page for the table tree viewer.
+			//
+			{
+				ViewerPane viewerPane = new ViewerPane(getSite().getPage(), GraphEditor.this) {
+					@Override
+					public Viewer createViewer(Composite composite) {
+						return new TreeViewer(composite);
+					}
+
+					@Override
+					public void requestActivation() {
+						super.requestActivation();
+						setCurrentViewerPane(this);
+					}
+				};
+				viewerPane.createControl(getContainer());
+
+				treeViewerWithColumns = (TreeViewer) viewerPane.getViewer();
+
+				Tree tree = treeViewerWithColumns.getTree();
+				tree.setLayoutData(new FillLayout());
+				tree.setHeaderVisible(true);
+				tree.setLinesVisible(true);
+
+				TreeColumn objectColumn = new TreeColumn(tree, SWT.NONE);
+				objectColumn.setText(getString("_UI_ObjectColumn_label"));
+				objectColumn.setResizable(true);
+				objectColumn.setWidth(250);
+
+				TreeColumn selfColumn = new TreeColumn(tree, SWT.NONE);
+				selfColumn.setText(getString("_UI_SelfColumn_label"));
+				selfColumn.setResizable(true);
+				selfColumn.setWidth(200);
+
+				treeViewerWithColumns.setColumnProperties(new String[] { "a", "b" });
+				treeViewerWithColumns.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				treeViewerWithColumns.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(treeViewerWithColumns);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_TreeWithColumnsPage_label"));
+			}
+
+			getSite().getShell().getDisplay().asyncExec(new Runnable() {
+				public void run() {
+					setActivePage(0);
+				}
+			});
+		}
+
+		// Ensures that this editor will only display the page's tab
+		// area if there are more than one page
+		//
+		getContainer().addControlListener(new ControlAdapter() {
+			boolean guard = false;
+
+			@Override
+			public void controlResized(ControlEvent event) {
+				if (!guard) {
+					guard = true;
+					hideTabs();
+					guard = false;
+				}
+			}
+		});
+
+		getSite().getShell().getDisplay().asyncExec(new Runnable() {
+			public void run() {
+				updateProblemIndication();
+			}
+		});
+	}
+
+	/**
+	 * If there is just one page in the multi-page editor part, this hides the
+	 * single tab at the bottom. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected void hideTabs() {
+		if (getPageCount() <= 1) {
+			setPageText(0, "");
+			if (getContainer() instanceof CTabFolder) {
+				((CTabFolder) getContainer()).setTabHeight(1);
+				Point point = getContainer().getSize();
+				getContainer().setSize(point.x, point.y + 6);
+			}
+		}
+	}
+
+	/**
+	 * If there is more than one page in the multi-page editor part, this shows
+	 * the tabs at the bottom. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected void showTabs() {
+		if (getPageCount() > 1) {
+			setPageText(0, getString("_UI_SelectionPage_label"));
+			if (getContainer() instanceof CTabFolder) {
+				((CTabFolder) getContainer()).setTabHeight(SWT.DEFAULT);
+				Point point = getContainer().getSize();
+				getContainer().setSize(point.x, point.y - 6);
+			}
+		}
+	}
+
+	/**
+	 * This is used to track the active viewer. <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	@Override
+	protected void pageChange(int pageIndex) {
+		super.pageChange(pageIndex);
+
+		if (contentOutlinePage != null) {
+			handleContentOutlineSelection(contentOutlinePage.getSelection());
+		}
+	}
+
+	/**
+	 * This is how the framework determines which interfaces we implement. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	@SuppressWarnings("rawtypes")
+	@Override
+	public Object getAdapter(Class key) {
+		if (key.equals(IContentOutlinePage.class)) {
+			return showOutlineView() ? getContentOutlinePage() : null;
+		} else if (key.equals(IPropertySheetPage.class)) {
+			return getPropertySheetPage();
+		} else if (key.equals(IGotoMarker.class)) {
+			return this;
+		} else {
+			return super.getAdapter(key);
+		}
+	}
+
+	/**
+	 * This accesses a cached version of the content outliner. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public IContentOutlinePage getContentOutlinePage() {
+		if (contentOutlinePage == null) {
+			// The content outline is just a tree.
+			//
+			class MyContentOutlinePage extends ContentOutlinePage {
+				@Override
+				public void createControl(Composite parent) {
+					super.createControl(parent);
+					contentOutlineViewer = getTreeViewer();
+					contentOutlineViewer.addSelectionChangedListener(this);
+
+					// Set up the tree viewer.
+					//
+					contentOutlineViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+					contentOutlineViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+					contentOutlineViewer.setInput(editingDomain.getResourceSet());
+
+					// Make sure our popups work.
+					//
+					createContextMenuFor(contentOutlineViewer);
+
+					if (!editingDomain.getResourceSet().getResources().isEmpty()) {
+						// Select the root object in the view.
+						//
+						contentOutlineViewer.setSelection(
+								new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)), true);
+					}
+				}
+
+				@Override
+				public void makeContributions(IMenuManager menuManager, IToolBarManager toolBarManager,
+						IStatusLineManager statusLineManager) {
+					super.makeContributions(menuManager, toolBarManager, statusLineManager);
+					contentOutlineStatusLineManager = statusLineManager;
+				}
+
+				@Override
+				public void setActionBars(IActionBars actionBars) {
+					super.setActionBars(actionBars);
+					getActionBarContributor().shareGlobalActions(this, actionBars);
+				}
+			}
+
+			contentOutlinePage = new MyContentOutlinePage();
+
+			// Listen to selection so that we can handle it is a special way.
+			//
+			contentOutlinePage.addSelectionChangedListener(new ISelectionChangedListener() {
+				// This ensures that we handle selections correctly.
+				//
+				public void selectionChanged(SelectionChangedEvent event) {
+					handleContentOutlineSelection(event.getSelection());
+				}
+			});
+		}
+
+		return contentOutlinePage;
+	}
+
+	/**
+	 * This accesses a cached version of the property sheet. <!-- begin-user-doc
+	 * --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public IPropertySheetPage getPropertySheetPage() {
+		PropertySheetPage propertySheetPage = new ExtendedPropertySheetPage(editingDomain) {
+			@Override
+			public void setSelectionToViewer(List<?> selection) {
+				GraphEditor.this.setSelectionToViewer(selection);
+				GraphEditor.this.setFocus();
+			}
+
+			@Override
+			public void setActionBars(IActionBars actionBars) {
+				super.setActionBars(actionBars);
+				getActionBarContributor().shareGlobalActions(this, actionBars);
+			}
+		};
+		propertySheetPage.setPropertySourceProvider(new AdapterFactoryContentProvider(adapterFactory));
+		propertySheetPages.add(propertySheetPage);
+
+		return propertySheetPage;
+	}
+
+	/**
+	 * This deals with how we want selection in the outliner to affect the other
+	 * views. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public void handleContentOutlineSelection(ISelection selection) {
+		if (currentViewerPane != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
+			Iterator<?> selectedElements = ((IStructuredSelection) selection).iterator();
+			if (selectedElements.hasNext()) {
+				// Get the first selected element.
+				//
+				Object selectedElement = selectedElements.next();
+
+				// If it's the selection viewer, then we want it to select the
+				// same selection as this selection.
+				//
+				if (currentViewerPane.getViewer() == selectionViewer) {
+					ArrayList<Object> selectionList = new ArrayList<Object>();
+					selectionList.add(selectedElement);
+					while (selectedElements.hasNext()) {
+						selectionList.add(selectedElements.next());
+					}
+
+					// Set the selection to the widget.
+					//
+					selectionViewer.setSelection(new StructuredSelection(selectionList));
+				} else {
+					// Set the input to the widget.
+					//
+					if (currentViewerPane.getViewer().getInput() != selectedElement) {
+						currentViewerPane.getViewer().setInput(selectedElement);
+						currentViewerPane.setTitle(selectedElement);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * This is for implementing {@link IEditorPart} and simply tests the command
+	 * stack. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	@Override
+	public boolean isDirty() {
+		return ((BasicCommandStack) editingDomain.getCommandStack()).isSaveNeeded();
+	}
+
+	/**
+	 * This is for implementing {@link IEditorPart} and simply saves the model
+	 * file. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	@Override
+	public void doSave(IProgressMonitor progressMonitor) {
+		// Save only resources that have actually changed.
+		//
+		final Map<Object, Object> saveOptions = new HashMap<Object, Object>();
+		saveOptions.put(Resource.OPTION_SAVE_ONLY_IF_CHANGED, Resource.OPTION_SAVE_ONLY_IF_CHANGED_MEMORY_BUFFER);
+		saveOptions.put(Resource.OPTION_LINE_DELIMITER, Resource.OPTION_LINE_DELIMITER_UNSPECIFIED);
+
+		// Do the work within an operation because this is a long running
+		// activity that modifies the workbench.
+		//
+		WorkspaceModifyOperation operation = new WorkspaceModifyOperation() {
+			// This is the method that gets invoked when the operation runs.
+			//
+			@Override
+			public void execute(IProgressMonitor monitor) {
+				// Save the resources to the file system.
+				//
+				boolean first = true;
+				for (Resource resource : editingDomain.getResourceSet().getResources()) {
+					if ((first || !resource.getContents().isEmpty() || isPersisted(resource))
+							&& !editingDomain.isReadOnly(resource)) {
+						try {
+							long timeStamp = resource.getTimeStamp();
+							resource.save(saveOptions);
+							if (resource.getTimeStamp() != timeStamp) {
+								savedResources.add(resource);
+							}
+						} catch (Exception exception) {
+							resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
+						}
+						first = false;
+					}
+				}
+			}
+		};
+
+		updateProblemIndication = false;
+		try {
+			// This runs the options, and shows progress.
+			//
+			new ProgressMonitorDialog(getSite().getShell()).run(true, false, operation);
+
+			// Refresh the necessary state.
+			//
+			((BasicCommandStack) editingDomain.getCommandStack()).saveIsDone();
+			firePropertyChange(IEditorPart.PROP_DIRTY);
+		} catch (Exception exception) {
+			// Something went wrong that shouldn't.
+			//
+			NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+		}
+		updateProblemIndication = true;
+		updateProblemIndication();
+	}
+
+	/**
+	 * This returns whether something has been persisted to the URI of the
+	 * specified resource. The implementation uses the URI converter from the
+	 * editor's resource set to try to open an input stream. <!-- begin-user-doc
+	 * --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected boolean isPersisted(Resource resource) {
+		boolean result = false;
+		try {
+			InputStream stream = editingDomain.getResourceSet().getURIConverter().createInputStream(resource.getURI());
+			if (stream != null) {
+				result = true;
+				stream.close();
+			}
+		} catch (IOException e) {
+			// Ignore
+		}
+		return result;
+	}
+
+	/**
+	 * This always returns true because it is not currently supported. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	@Override
+	public boolean isSaveAsAllowed() {
+		return true;
+	}
+
+	/**
+	 * This also changes the editor's input. <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	@Override
+	public void doSaveAs() {
+		SaveAsDialog saveAsDialog = new SaveAsDialog(getSite().getShell());
+		saveAsDialog.open();
+		IPath path = saveAsDialog.getResult();
+		if (path != null) {
+			IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(path);
+			if (file != null) {
+				doSaveAs(URI.createPlatformResourceURI(file.getFullPath().toString(), true), new FileEditorInput(file));
+			}
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected void doSaveAs(URI uri, IEditorInput editorInput) {
+		(editingDomain.getResourceSet().getResources().get(0)).setURI(uri);
+		setInputWithNotify(editorInput);
+		setPartName(editorInput.getName());
+		IProgressMonitor progressMonitor = getActionBars().getStatusLineManager() != null
+				? getActionBars().getStatusLineManager().getProgressMonitor() : new NullProgressMonitor();
+		doSave(progressMonitor);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public void gotoMarker(IMarker marker) {
+		List<?> targetObjects = markerHelper.getTargetObjects(editingDomain, marker);
+		if (!targetObjects.isEmpty()) {
+			setSelectionToViewer(targetObjects);
+		}
+	}
+
+	/**
+	 * This is called during startup. <!-- begin-user-doc --> <!-- end-user-doc
+	 * -->
+	 * 
+	 * @generated
+	 */
+	@Override
+	public void init(IEditorSite site, IEditorInput editorInput) {
+		setSite(site);
+		setInputWithNotify(editorInput);
+		setPartName(editorInput.getName());
+		site.setSelectionProvider(this);
+		site.getPage().addPartListener(partListener);
+		ResourcesPlugin.getWorkspace().addResourceChangeListener(resourceChangeListener,
+				IResourceChangeEvent.POST_CHANGE);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	@Override
+	public void setFocus() {
+		if (currentViewerPane != null) {
+			currentViewerPane.setFocus();
+		} else {
+			getControl(getActivePage()).setFocus();
+		}
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public void addSelectionChangedListener(ISelectionChangedListener listener) {
+		selectionChangedListeners.add(listener);
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public void removeSelectionChangedListener(ISelectionChangedListener listener) {
+		selectionChangedListeners.remove(listener);
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to
+	 * return this editor's overall selection. <!-- begin-user-doc --> <!--
+	 * end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public ISelection getSelection() {
+		return editorSelection;
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to
+	 * set this editor's overall selection. Calling this result will notify the
+	 * listeners. <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public void setSelection(ISelection selection) {
+		editorSelection = selection;
+
+		for (ISelectionChangedListener listener : selectionChangedListeners) {
+			listener.selectionChanged(new SelectionChangedEvent(this, selection));
+		}
+		setStatusLineManager(selection);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public void setStatusLineManager(ISelection selection) {
+		IStatusLineManager statusLineManager = currentViewer != null && currentViewer == contentOutlineViewer
+				? contentOutlineStatusLineManager : getActionBars().getStatusLineManager();
+
+		if (statusLineManager != null) {
+			if (selection instanceof IStructuredSelection) {
+				Collection<?> collection = ((IStructuredSelection) selection).toList();
+				switch (collection.size()) {
+				case 0: {
+					statusLineManager.setMessage(getString("_UI_NoObjectSelected"));
+					break;
+				}
+				case 1: {
+					String text = new AdapterFactoryItemDelegator(adapterFactory).getText(collection.iterator().next());
+					statusLineManager.setMessage(getString("_UI_SingleObjectSelected", text));
+					break;
+				}
+				default: {
+					statusLineManager
+							.setMessage(getString("_UI_MultiObjectSelected", Integer.toString(collection.size())));
+					break;
+				}
+				}
+			} else {
+				statusLineManager.setMessage("");
+			}
+		}
+	}
+
+	/**
+	 * This looks up a string in the plugin's plugin.properties file. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	private static String getString(String key) {
+		return NestedconstraintmodelEditorPlugin.INSTANCE.getString(key);
+	}
+
+	/**
+	 * This looks up a string in plugin.properties, making a substitution. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	private static String getString(String key, Object s1) {
+		return NestedconstraintmodelEditorPlugin.INSTANCE.getString(key, new Object[] { s1 });
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.action.IMenuListener} to help
+	 * fill the context menus with contributions from the Edit menu. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public void menuAboutToShow(IMenuManager menuManager) {
+		((IMenuListener) getEditorSite().getActionBarContributor()).menuAboutToShow(menuManager);
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public EditingDomainActionBarContributor getActionBarContributor() {
+		return (EditingDomainActionBarContributor) getEditorSite().getActionBarContributor();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public IActionBars getActionBars() {
+		return getActionBarContributor().getActionBars();
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	public AdapterFactory getAdapterFactory() {
+		return adapterFactory;
+	}
+
+	/**
+	 * <!-- begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	@Override
+	public void dispose() {
+		updateProblemIndication = false;
+
+		ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceChangeListener);
+
+		getSite().getPage().removePartListener(partListener);
+
+		adapterFactory.dispose();
+
+		if (getActionBarContributor().getActiveEditor() == this) {
+			getActionBarContributor().setActiveEditor(null);
+		}
+
+		for (PropertySheetPage propertySheetPage : propertySheetPages) {
+			propertySheetPage.dispose();
+		}
+
+		if (contentOutlinePage != null) {
+			contentOutlinePage.dispose();
+		}
+
+		super.dispose();
+	}
+
+	/**
+	 * Returns whether the outline view should be presented to the user. <!--
+	 * begin-user-doc --> <!-- end-user-doc -->
+	 * 
+	 * @generated
+	 */
+	protected boolean showOutlineView() {
+		return true;
+	}
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/graph/presentation/GraphModelWizard.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/graph/presentation/GraphModelWizard.java
new file mode 100644
index 0000000..d6a4a97
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/graph/presentation/GraphModelWizard.java
@@ -0,0 +1,630 @@
+/**
+ */
+package graph.presentation;
+
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.MissingResourceException;
+import java.util.StringTokenizer;
+
+import org.eclipse.emf.common.CommonPlugin;
+
+import org.eclipse.emf.common.util.URI;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EClassifier;
+
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+import org.eclipse.emf.ecore.xmi.XMLResource;
+
+import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
+
+import org.eclipse.core.resources.IContainer;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IFolder;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.ResourcesPlugin;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+
+import org.eclipse.jface.dialogs.MessageDialog;
+
+import org.eclipse.jface.viewers.IStructuredSelection;
+
+import org.eclipse.jface.wizard.Wizard;
+import org.eclipse.jface.wizard.WizardPage;
+
+import org.eclipse.swt.SWT;
+
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.ModifyEvent;
+
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+
+import org.eclipse.swt.widgets.Combo;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+
+import org.eclipse.ui.INewWizard;
+import org.eclipse.ui.IWorkbench;
+
+import org.eclipse.ui.actions.WorkspaceModifyOperation;
+
+import org.eclipse.ui.dialogs.WizardNewFileCreationPage;
+
+import org.eclipse.ui.part.FileEditorInput;
+import org.eclipse.ui.part.ISetSelectionTarget;
+
+import graph.GraphFactory;
+import graph.GraphPackage;
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+
+import nestedconstraintmodel.presentation.NestedconstraintmodelEditorPlugin;
+
+import org.eclipse.core.runtime.Path;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PartInitException;
+
+
+/**
+ * This is a simple wizard for creating a new model file.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class GraphModelWizard extends Wizard implements INewWizard {
+	/**
+	 * The supported extensions for created files.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final List<String> FILE_EXTENSIONS =
+		Collections.unmodifiableList(Arrays.asList(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_GraphEditorFilenameExtensions").split("\\s*,\\s*")));
+
+	/**
+	 * A formatted list of supported file extensions, suitable for display.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final String FORMATTED_FILE_EXTENSIONS =
+		NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_GraphEditorFilenameExtensions").replaceAll("\\s*,\\s*", ", ");
+
+	/**
+	 * This caches an instance of the model package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected GraphPackage graphPackage = GraphPackage.eINSTANCE;
+
+	/**
+	 * This caches an instance of the model factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected GraphFactory graphFactory = graphPackage.getGraphFactory();
+
+	/**
+	 * This is the file creation page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected GraphModelWizardNewFileCreationPage newFileCreationPage;
+
+	/**
+	 * This is the initial object creation page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected GraphModelWizardInitialObjectCreationPage initialObjectCreationPage;
+
+	/**
+	 * Remember the selection during initialization for populating the default container.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IStructuredSelection selection;
+
+	/**
+	 * Remember the workbench during initialization.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IWorkbench workbench;
+
+	/**
+	 * Caches the names of the types that can be created as the root object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected List<String> initialObjectNames;
+
+	/**
+	 * This just records the information.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void init(IWorkbench workbench, IStructuredSelection selection) {
+		this.workbench = workbench;
+		this.selection = selection;
+		setWindowTitle(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_Wizard_label"));
+		setDefaultPageImageDescriptor(ExtendedImageRegistry.INSTANCE.getImageDescriptor(NestedconstraintmodelEditorPlugin.INSTANCE.getImage("full/wizban/NewGraph")));
+	}
+
+	/**
+	 * Returns the names of the types that can be created as the root object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<String> getInitialObjectNames() {
+		if (initialObjectNames == null) {
+			initialObjectNames = new ArrayList<String>();
+			for (EClassifier eClassifier : graphPackage.getEClassifiers()) {
+				if (eClassifier instanceof EClass) {
+					EClass eClass = (EClass)eClassifier;
+					if (!eClass.isAbstract()) {
+						initialObjectNames.add(eClass.getName());
+					}
+				}
+			}
+			Collections.sort(initialObjectNames, CommonPlugin.INSTANCE.getComparator());
+		}
+		return initialObjectNames;
+	}
+
+	/**
+	 * Create a new model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected EObject createInitialModel() {
+		EClass eClass = (EClass)graphPackage.getEClassifier(initialObjectCreationPage.getInitialObjectName());
+		EObject rootObject = graphFactory.create(eClass);
+		return rootObject;
+	}
+
+	/**
+	 * Do the work after everything is specified.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean performFinish() {
+		try {
+			// Remember the file.
+			//
+			final IFile modelFile = getModelFile();
+
+			// Do the work within an operation.
+			//
+			WorkspaceModifyOperation operation =
+				new WorkspaceModifyOperation() {
+					@Override
+					protected void execute(IProgressMonitor progressMonitor) {
+						try {
+							// Create a resource set
+							//
+							ResourceSet resourceSet = new ResourceSetImpl();
+
+							// Get the URI of the model file.
+							//
+							URI fileURI = URI.createPlatformResourceURI(modelFile.getFullPath().toString(), true);
+
+							// Create a resource for this file.
+							//
+							Resource resource = resourceSet.createResource(fileURI);
+
+							// Add the initial model object to the contents.
+							//
+							EObject rootObject = createInitialModel();
+							if (rootObject != null) {
+								resource.getContents().add(rootObject);
+							}
+
+							// Save the contents of the resource to the file system.
+							//
+							Map<Object, Object> options = new HashMap<Object, Object>();
+							options.put(XMLResource.OPTION_ENCODING, initialObjectCreationPage.getEncoding());
+							resource.save(options);
+						}
+						catch (Exception exception) {
+							NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+						}
+						finally {
+							progressMonitor.done();
+						}
+					}
+				};
+
+			getContainer().run(false, false, operation);
+
+			// Select the new file resource in the current view.
+			//
+			IWorkbenchWindow workbenchWindow = workbench.getActiveWorkbenchWindow();
+			IWorkbenchPage page = workbenchWindow.getActivePage();
+			final IWorkbenchPart activePart = page.getActivePart();
+			if (activePart instanceof ISetSelectionTarget) {
+				final ISelection targetSelection = new StructuredSelection(modelFile);
+				getShell().getDisplay().asyncExec
+					(new Runnable() {
+						 public void run() {
+							 ((ISetSelectionTarget)activePart).selectReveal(targetSelection);
+						 }
+					 });
+			}
+
+			// Open an editor on the new file.
+			//
+			try {
+				page.openEditor
+					(new FileEditorInput(modelFile),
+					 workbench.getEditorRegistry().getDefaultEditor(modelFile.getFullPath().toString()).getId());					 	 
+			}
+			catch (PartInitException exception) {
+				MessageDialog.openError(workbenchWindow.getShell(), NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_OpenEditorError_label"), exception.getMessage());
+				return false;
+			}
+
+			return true;
+		}
+		catch (Exception exception) {
+			NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+			return false;
+		}
+	}
+
+	/**
+	 * This is the one page of the wizard.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public class GraphModelWizardNewFileCreationPage extends WizardNewFileCreationPage {
+		/**
+		 * Pass in the selection.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public GraphModelWizardNewFileCreationPage(String pageId, IStructuredSelection selection) {
+			super(pageId, selection);
+		}
+
+		/**
+		 * The framework calls this to see if the file is correct.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		protected boolean validatePage() {
+			if (super.validatePage()) {
+				String extension = new Path(getFileName()).getFileExtension();
+				if (extension == null || !FILE_EXTENSIONS.contains(extension)) {
+					String key = FILE_EXTENSIONS.size() > 1 ? "_WARN_FilenameExtensions" : "_WARN_FilenameExtension";
+					setErrorMessage(NestedconstraintmodelEditorPlugin.INSTANCE.getString(key, new Object [] { FORMATTED_FILE_EXTENSIONS }));
+					return false;
+				}
+				return true;
+			}
+			return false;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public IFile getModelFile() {
+			return ResourcesPlugin.getWorkspace().getRoot().getFile(getContainerFullPath().append(getFileName()));
+		}
+	}
+
+	/**
+	 * This is the page where the type of object to create is selected.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public class GraphModelWizardInitialObjectCreationPage extends WizardPage {
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected Combo initialObjectField;
+
+		/**
+		 * @generated
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 */
+		protected List<String> encodings;
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected Combo encodingField;
+
+		/**
+		 * Pass in the selection.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public GraphModelWizardInitialObjectCreationPage(String pageId) {
+			super(pageId);
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public void createControl(Composite parent) {
+			Composite composite = new Composite(parent, SWT.NONE);
+			{
+				GridLayout layout = new GridLayout();
+				layout.numColumns = 1;
+				layout.verticalSpacing = 12;
+				composite.setLayout(layout);
+
+				GridData data = new GridData();
+				data.verticalAlignment = GridData.FILL;
+				data.grabExcessVerticalSpace = true;
+				data.horizontalAlignment = GridData.FILL;
+				composite.setLayoutData(data);
+			}
+
+			Label containerLabel = new Label(composite, SWT.LEFT);
+			{
+				containerLabel.setText(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_ModelObject"));
+
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				containerLabel.setLayoutData(data);
+			}
+
+			initialObjectField = new Combo(composite, SWT.BORDER);
+			{
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				data.grabExcessHorizontalSpace = true;
+				initialObjectField.setLayoutData(data);
+			}
+
+			for (String objectName : getInitialObjectNames()) {
+				initialObjectField.add(getLabel(objectName));
+			}
+
+			if (initialObjectField.getItemCount() == 1) {
+				initialObjectField.select(0);
+			}
+			initialObjectField.addModifyListener(validator);
+
+			Label encodingLabel = new Label(composite, SWT.LEFT);
+			{
+				encodingLabel.setText(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_XMLEncoding"));
+
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				encodingLabel.setLayoutData(data);
+			}
+			encodingField = new Combo(composite, SWT.BORDER);
+			{
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				data.grabExcessHorizontalSpace = true;
+				encodingField.setLayoutData(data);
+			}
+
+			for (String encoding : getEncodings()) {
+				encodingField.add(encoding);
+			}
+
+			encodingField.select(0);
+			encodingField.addModifyListener(validator);
+
+			setPageComplete(validatePage());
+			setControl(composite);
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected ModifyListener validator =
+			new ModifyListener() {
+				public void modifyText(ModifyEvent e) {
+					setPageComplete(validatePage());
+				}
+			};
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected boolean validatePage() {
+			return getInitialObjectName() != null && getEncodings().contains(encodingField.getText());
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public void setVisible(boolean visible) {
+			super.setVisible(visible);
+			if (visible) {
+				if (initialObjectField.getItemCount() == 1) {
+					initialObjectField.clearSelection();
+					encodingField.setFocus();
+				}
+				else {
+					encodingField.clearSelection();
+					initialObjectField.setFocus();
+				}
+			}
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public String getInitialObjectName() {
+			String label = initialObjectField.getText();
+
+			for (String name : getInitialObjectNames()) {
+				if (getLabel(name).equals(label)) {
+					return name;
+				}
+			}
+			return null;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public String getEncoding() {
+			return encodingField.getText();
+		}
+
+		/**
+		 * Returns the label for the specified type name.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected String getLabel(String typeName) {
+			try {
+				return NestedconstraintmodelEditPlugin.INSTANCE.getString("_UI_" + typeName + "_type");
+			}
+			catch(MissingResourceException mre) {
+				NestedconstraintmodelEditorPlugin.INSTANCE.log(mre);
+			}
+			return typeName;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected Collection<String> getEncodings() {
+			if (encodings == null) {
+				encodings = new ArrayList<String>();
+				for (StringTokenizer stringTokenizer = new StringTokenizer(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_XMLEncodingChoices")); stringTokenizer.hasMoreTokens(); ) {
+					encodings.add(stringTokenizer.nextToken());
+				}
+			}
+			return encodings;
+		}
+	}
+
+	/**
+	 * The framework calls this to create the contents of the wizard.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+		@Override
+	public void addPages() {
+		// Create a page, set the title, and the initial model file name.
+		//
+		newFileCreationPage = new GraphModelWizardNewFileCreationPage("Whatever", selection);
+		newFileCreationPage.setTitle(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_GraphModelWizard_label"));
+		newFileCreationPage.setDescription(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_GraphModelWizard_description"));
+		newFileCreationPage.setFileName(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_GraphEditorFilenameDefaultBase") + "." + FILE_EXTENSIONS.get(0));
+		addPage(newFileCreationPage);
+
+		// Try and get the resource selection to determine a current directory for the file dialog.
+		//
+		if (selection != null && !selection.isEmpty()) {
+			// Get the resource...
+			//
+			Object selectedElement = selection.iterator().next();
+			if (selectedElement instanceof IResource) {
+				// Get the resource parent, if its a file.
+				//
+				IResource selectedResource = (IResource)selectedElement;
+				if (selectedResource.getType() == IResource.FILE) {
+					selectedResource = selectedResource.getParent();
+				}
+
+				// This gives us a directory...
+				//
+				if (selectedResource instanceof IFolder || selectedResource instanceof IProject) {
+					// Set this for the container.
+					//
+					newFileCreationPage.setContainerFullPath(selectedResource.getFullPath());
+
+					// Make up a unique new name here.
+					//
+					String defaultModelBaseFilename = NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_GraphEditorFilenameDefaultBase");
+					String defaultModelFilenameExtension = FILE_EXTENSIONS.get(0);
+					String modelFilename = defaultModelBaseFilename + "." + defaultModelFilenameExtension;
+					for (int i = 1; ((IContainer)selectedResource).findMember(modelFilename) != null; ++i) {
+						modelFilename = defaultModelBaseFilename + i + "." + defaultModelFilenameExtension;
+					}
+					newFileCreationPage.setFileName(modelFilename);
+				}
+			}
+		}
+		initialObjectCreationPage = new GraphModelWizardInitialObjectCreationPage("Whatever2");
+		initialObjectCreationPage.setTitle(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_GraphModelWizard_label"));
+		initialObjectCreationPage.setDescription(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_Wizard_initial_object_description"));
+		addPage(initialObjectCreationPage);
+	}
+
+	/**
+	 * Get the file from the page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IFile getModelFile() {
+		return newFileCreationPage.getModelFile();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/laxcondition/presentation/LaxconditionActionBarContributor.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/laxcondition/presentation/LaxconditionActionBarContributor.java
new file mode 100644
index 0000000..482f194
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/laxcondition/presentation/LaxconditionActionBarContributor.java
@@ -0,0 +1,425 @@
+/**
+ */
+package laxcondition.presentation;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import nestedconstraintmodel.presentation.NestedconstraintmodelEditorPlugin;
+
+import org.eclipse.emf.common.ui.viewer.IViewerProvider;
+
+import org.eclipse.emf.edit.domain.EditingDomain;
+import org.eclipse.emf.edit.domain.IEditingDomainProvider;
+
+import org.eclipse.emf.edit.ui.action.ControlAction;
+import org.eclipse.emf.edit.ui.action.CreateChildAction;
+import org.eclipse.emf.edit.ui.action.CreateSiblingAction;
+import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;
+import org.eclipse.emf.edit.ui.action.LoadResourceAction;
+import org.eclipse.emf.edit.ui.action.ValidateAction;
+
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.ActionContributionItem;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.action.IContributionItem;
+import org.eclipse.jface.action.IContributionManager;
+import org.eclipse.jface.action.IMenuListener;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.IToolBarManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+import org.eclipse.jface.action.SubContributionItem;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.Viewer;
+
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.PartInitException;
+
+/**
+ * This is the action bar contributor for the Laxcondition model editor.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class LaxconditionActionBarContributor
+	extends EditingDomainActionBarContributor
+	implements ISelectionChangedListener {
+	/**
+	 * This keeps track of the active editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IEditorPart activeEditorPart;
+
+	/**
+	 * This keeps track of the current selection provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ISelectionProvider selectionProvider;
+
+	/**
+	 * This action opens the Properties view.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IAction showPropertiesViewAction =
+		new Action(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_ShowPropertiesView_menu_item")) {
+			@Override
+			public void run() {
+				try {
+					getPage().showView("org.eclipse.ui.views.PropertySheet");
+				}
+				catch (PartInitException exception) {
+					NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+				}
+			}
+		};
+
+	/**
+	 * This action refreshes the viewer of the current editor if the editor
+	 * implements {@link org.eclipse.emf.common.ui.viewer.IViewerProvider}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IAction refreshViewerAction =
+		new Action(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_RefreshViewer_menu_item")) {
+			@Override
+			public boolean isEnabled() {
+				return activeEditorPart instanceof IViewerProvider;
+			}
+
+			@Override
+			public void run() {
+				if (activeEditorPart instanceof IViewerProvider) {
+					Viewer viewer = ((IViewerProvider)activeEditorPart).getViewer();
+					if (viewer != null) {
+						viewer.refresh();
+					}
+				}
+			}
+		};
+
+	/**
+	 * This will contain one {@link org.eclipse.emf.edit.ui.action.CreateChildAction} corresponding to each descriptor
+	 * generated for the current selection by the item provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> createChildActions;
+
+	/**
+	 * This is the menu manager into which menu contribution items should be added for CreateChild actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IMenuManager createChildMenuManager;
+
+	/**
+	 * This will contain one {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} corresponding to each descriptor
+	 * generated for the current selection by the item provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> createSiblingActions;
+
+	/**
+	 * This is the menu manager into which menu contribution items should be added for CreateSibling actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IMenuManager createSiblingMenuManager;
+
+	/**
+	 * This creates an instance of the contributor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LaxconditionActionBarContributor() {
+		super(ADDITIONS_LAST_STYLE);
+		loadResourceAction = new LoadResourceAction();
+		validateAction = new ValidateAction();
+		controlAction = new ControlAction();
+	}
+
+	/**
+	 * This adds Separators for editor additions to the tool bar.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void contributeToToolBar(IToolBarManager toolBarManager) {
+		toolBarManager.add(new Separator("laxcondition-settings"));
+		toolBarManager.add(new Separator("laxcondition-additions"));
+	}
+
+	/**
+	 * This adds to the menu bar a menu and some separators for editor additions,
+	 * as well as the sub-menus for object creation items.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void contributeToMenu(IMenuManager menuManager) {
+		super.contributeToMenu(menuManager);
+
+		IMenuManager submenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_LaxconditionEditor_menu"), "laxconditionMenuID");
+		menuManager.insertAfter("additions", submenuManager);
+		submenuManager.add(new Separator("settings"));
+		submenuManager.add(new Separator("actions"));
+		submenuManager.add(new Separator("additions"));
+		submenuManager.add(new Separator("additions-end"));
+
+		// Prepare for CreateChild item addition or removal.
+		//
+		createChildMenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateChild_menu_item"));
+		submenuManager.insertBefore("additions", createChildMenuManager);
+
+		// Prepare for CreateSibling item addition or removal.
+		//
+		createSiblingMenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateSibling_menu_item"));
+		submenuManager.insertBefore("additions", createSiblingMenuManager);
+
+		// Force an update because Eclipse hides empty menus now.
+		//
+		submenuManager.addMenuListener
+			(new IMenuListener() {
+				 public void menuAboutToShow(IMenuManager menuManager) {
+					 menuManager.updateAll(true);
+				 }
+			 });
+
+		addGlobalActions(submenuManager);
+	}
+
+	/**
+	 * When the active editor changes, this remembers the change and registers with it as a selection provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void setActiveEditor(IEditorPart part) {
+		super.setActiveEditor(part);
+		activeEditorPart = part;
+
+		// Switch to the new selection provider.
+		//
+		if (selectionProvider != null) {
+			selectionProvider.removeSelectionChangedListener(this);
+		}
+		if (part == null) {
+			selectionProvider = null;
+		}
+		else {
+			selectionProvider = part.getSite().getSelectionProvider();
+			selectionProvider.addSelectionChangedListener(this);
+
+			// Fake a selection changed event to update the menus.
+			//
+			if (selectionProvider.getSelection() != null) {
+				selectionChanged(new SelectionChangedEvent(selectionProvider, selectionProvider.getSelection()));
+			}
+		}
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionChangedListener},
+	 * handling {@link org.eclipse.jface.viewers.SelectionChangedEvent}s by querying for the children and siblings
+	 * that can be added to the selected object and updating the menus accordingly.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void selectionChanged(SelectionChangedEvent event) {
+		// Remove any menu items for old selection.
+		//
+		if (createChildMenuManager != null) {
+			depopulateManager(createChildMenuManager, createChildActions);
+		}
+		if (createSiblingMenuManager != null) {
+			depopulateManager(createSiblingMenuManager, createSiblingActions);
+		}
+
+		// Query the new selection for appropriate new child/sibling descriptors
+		//
+		Collection<?> newChildDescriptors = null;
+		Collection<?> newSiblingDescriptors = null;
+
+		ISelection selection = event.getSelection();
+		if (selection instanceof IStructuredSelection && ((IStructuredSelection)selection).size() == 1) {
+			Object object = ((IStructuredSelection)selection).getFirstElement();
+
+			EditingDomain domain = ((IEditingDomainProvider)activeEditorPart).getEditingDomain();
+
+			newChildDescriptors = domain.getNewChildDescriptors(object, null);
+			newSiblingDescriptors = domain.getNewChildDescriptors(null, object);
+		}
+
+		// Generate actions for selection; populate and redraw the menus.
+		//
+		createChildActions = generateCreateChildActions(newChildDescriptors, selection);
+		createSiblingActions = generateCreateSiblingActions(newSiblingDescriptors, selection);
+
+		if (createChildMenuManager != null) {
+			populateManager(createChildMenuManager, createChildActions, null);
+			createChildMenuManager.update(true);
+		}
+		if (createSiblingMenuManager != null) {
+			populateManager(createSiblingMenuManager, createSiblingActions, null);
+			createSiblingMenuManager.update(true);
+		}
+	}
+
+	/**
+	 * This generates a {@link org.eclipse.emf.edit.ui.action.CreateChildAction} for each object in <code>descriptors</code>,
+	 * and returns the collection of these actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> generateCreateChildActions(Collection<?> descriptors, ISelection selection) {
+		Collection<IAction> actions = new ArrayList<IAction>();
+		if (descriptors != null) {
+			for (Object descriptor : descriptors) {
+				actions.add(new CreateChildAction(activeEditorPart, selection, descriptor));
+			}
+		}
+		return actions;
+	}
+
+	/**
+	 * This generates a {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} for each object in <code>descriptors</code>,
+	 * and returns the collection of these actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> generateCreateSiblingActions(Collection<?> descriptors, ISelection selection) {
+		Collection<IAction> actions = new ArrayList<IAction>();
+		if (descriptors != null) {
+			for (Object descriptor : descriptors) {
+				actions.add(new CreateSiblingAction(activeEditorPart, selection, descriptor));
+			}
+		}
+		return actions;
+	}
+
+	/**
+	 * This populates the specified <code>manager</code> with {@link org.eclipse.jface.action.ActionContributionItem}s
+	 * based on the {@link org.eclipse.jface.action.IAction}s contained in the <code>actions</code> collection,
+	 * by inserting them before the specified contribution item <code>contributionID</code>.
+	 * If <code>contributionID</code> is <code>null</code>, they are simply added.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void populateManager(IContributionManager manager, Collection<? extends IAction> actions, String contributionID) {
+		if (actions != null) {
+			for (IAction action : actions) {
+				if (contributionID != null) {
+					manager.insertBefore(contributionID, action);
+				}
+				else {
+					manager.add(action);
+				}
+			}
+		}
+	}
+		
+	/**
+	 * This removes from the specified <code>manager</code> all {@link org.eclipse.jface.action.ActionContributionItem}s
+	 * based on the {@link org.eclipse.jface.action.IAction}s contained in the <code>actions</code> collection.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void depopulateManager(IContributionManager manager, Collection<? extends IAction> actions) {
+		if (actions != null) {
+			IContributionItem[] items = manager.getItems();
+			for (int i = 0; i < items.length; i++) {
+				// Look into SubContributionItems
+				//
+				IContributionItem contributionItem = items[i];
+				while (contributionItem instanceof SubContributionItem) {
+					contributionItem = ((SubContributionItem)contributionItem).getInnerItem();
+				}
+
+				// Delete the ActionContributionItems with matching action.
+				//
+				if (contributionItem instanceof ActionContributionItem) {
+					IAction action = ((ActionContributionItem)contributionItem).getAction();
+					if (actions.contains(action)) {
+						manager.remove(contributionItem);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * This populates the pop-up menu before it appears.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void menuAboutToShow(IMenuManager menuManager) {
+		super.menuAboutToShow(menuManager);
+		MenuManager submenuManager = null;
+
+		submenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateChild_menu_item"));
+		populateManager(submenuManager, createChildActions, null);
+		menuManager.insertBefore("edit", submenuManager);
+
+		submenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateSibling_menu_item"));
+		populateManager(submenuManager, createSiblingActions, null);
+		menuManager.insertBefore("edit", submenuManager);
+	}
+
+	/**
+	 * This inserts global actions before the "additions-end" separator.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void addGlobalActions(IMenuManager menuManager) {
+		menuManager.insertAfter("additions-end", new Separator("ui-actions"));
+		menuManager.insertAfter("ui-actions", showPropertiesViewAction);
+
+		refreshViewerAction.setEnabled(refreshViewerAction.isEnabled());		
+		menuManager.insertAfter("ui-actions", refreshViewerAction);
+
+		super.addGlobalActions(menuManager);
+	}
+
+	/**
+	 * This ensures that a delete action will clean up all references to deleted objects.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected boolean removeAllReferencesOnDelete() {
+		return true;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/laxcondition/presentation/LaxconditionEditor.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/laxcondition/presentation/LaxconditionEditor.java
new file mode 100644
index 0000000..cc16087
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/laxcondition/presentation/LaxconditionEditor.java
@@ -0,0 +1,1830 @@
+/**
+ */
+package laxcondition.presentation;
+
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.EventObject;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceChangeEvent;
+import org.eclipse.core.resources.IResourceChangeListener;
+import org.eclipse.core.resources.IResourceDelta;
+import org.eclipse.core.resources.IResourceDeltaVisitor;
+import org.eclipse.core.resources.ResourcesPlugin;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.NullProgressMonitor;
+
+import org.eclipse.jface.action.IMenuListener;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.IStatusLineManager;
+import org.eclipse.jface.action.IToolBarManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.dialogs.ProgressMonitorDialog;
+
+import org.eclipse.jface.util.LocalSelectionTransfer;
+
+import org.eclipse.jface.viewers.ColumnWeightData;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.ListViewer;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.jface.viewers.StructuredViewer;
+import org.eclipse.jface.viewers.TableLayout;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.viewers.Viewer;
+
+import org.eclipse.swt.SWT;
+
+import org.eclipse.swt.custom.CTabFolder;
+
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.FileTransfer;
+import org.eclipse.swt.dnd.Transfer;
+
+import org.eclipse.swt.events.ControlAdapter;
+import org.eclipse.swt.events.ControlEvent;
+
+import org.eclipse.swt.graphics.Point;
+
+import org.eclipse.swt.layout.FillLayout;
+
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Menu;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+import org.eclipse.swt.widgets.Tree;
+import org.eclipse.swt.widgets.TreeColumn;
+
+import org.eclipse.ui.IActionBars;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IEditorSite;
+import org.eclipse.ui.IPartListener;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.PartInitException;
+
+import org.eclipse.ui.dialogs.SaveAsDialog;
+
+import org.eclipse.ui.ide.IGotoMarker;
+
+import org.eclipse.ui.part.FileEditorInput;
+import org.eclipse.ui.part.MultiPageEditorPart;
+
+import org.eclipse.ui.views.contentoutline.ContentOutline;
+import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
+import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
+
+import org.eclipse.ui.views.properties.IPropertySheetPage;
+import org.eclipse.ui.views.properties.PropertySheet;
+import org.eclipse.ui.views.properties.PropertySheetPage;
+
+import org.eclipse.emf.common.command.BasicCommandStack;
+import org.eclipse.emf.common.command.Command;
+import org.eclipse.emf.common.command.CommandStack;
+import org.eclipse.emf.common.command.CommandStackListener;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.ui.MarkerHelper;
+import org.eclipse.emf.common.ui.ViewerPane;
+
+import org.eclipse.emf.common.ui.editor.ProblemEditorPart;
+
+import org.eclipse.emf.common.ui.viewer.IViewerProvider;
+
+import org.eclipse.emf.common.util.BasicDiagnostic;
+import org.eclipse.emf.common.util.Diagnostic;
+import org.eclipse.emf.common.util.URI;
+
+
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+
+import org.eclipse.emf.ecore.util.EContentAdapter;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+
+import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
+import org.eclipse.emf.edit.domain.EditingDomain;
+import org.eclipse.emf.edit.domain.IEditingDomainProvider;
+
+import org.eclipse.emf.edit.provider.AdapterFactoryItemDelegator;
+import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
+import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory;
+
+import org.eclipse.emf.edit.provider.resource.ResourceItemProviderAdapterFactory;
+
+import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;
+
+import org.eclipse.emf.edit.ui.celleditor.AdapterFactoryTreeEditor;
+
+import org.eclipse.emf.edit.ui.dnd.EditingDomainViewerDropAdapter;
+import org.eclipse.emf.edit.ui.dnd.LocalTransfer;
+import org.eclipse.emf.edit.ui.dnd.ViewerDragAdapter;
+
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
+import org.eclipse.emf.edit.ui.provider.UnwrappingSelectionProvider;
+
+import org.eclipse.emf.edit.ui.util.EditUIMarkerHelper;
+import org.eclipse.emf.edit.ui.util.EditUIUtil;
+
+import org.eclipse.emf.edit.ui.view.ExtendedPropertySheetPage;
+
+import laxcondition.provider.LaxconditionItemProviderAdapterFactory;
+
+import graph.provider.GraphItemProviderAdapterFactory;
+
+import nestedcondition.provider.NestedconditionItemProviderAdapterFactory;
+
+import nestedconstraintmodel.presentation.NestedconstraintmodelEditorPlugin;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelItemProviderAdapterFactory;
+
+import org.eclipse.ui.actions.WorkspaceModifyOperation;
+
+
+/**
+ * This is an example of a Laxcondition model editor.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class LaxconditionEditor
+	extends MultiPageEditorPart
+	implements IEditingDomainProvider, ISelectionProvider, IMenuListener, IViewerProvider, IGotoMarker {
+	/**
+	 * This keeps track of the editing domain that is used to track all changes to the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected AdapterFactoryEditingDomain editingDomain;
+
+	/**
+	 * This is the one adapter factory used for providing views of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ComposedAdapterFactory adapterFactory;
+
+	/**
+	 * This is the content outline page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IContentOutlinePage contentOutlinePage;
+
+	/**
+	 * This is a kludge...
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IStatusLineManager contentOutlineStatusLineManager;
+
+	/**
+	 * This is the content outline page's viewer.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer contentOutlineViewer;
+
+	/**
+	 * This is the property sheet page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected List<PropertySheetPage> propertySheetPages = new ArrayList<PropertySheetPage>();
+
+	/**
+	 * This is the viewer that shadows the selection in the content outline.
+	 * The parent relation must be correctly defined for this to work.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer selectionViewer;
+
+	/**
+	 * This inverts the roll of parent and child in the content provider and show parents as a tree.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer parentViewer;
+
+	/**
+	 * This shows how a tree view works.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer treeViewer;
+
+	/**
+	 * This shows how a list view works.
+	 * A list viewer doesn't support icons.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ListViewer listViewer;
+
+	/**
+	 * This shows how a table view works.
+	 * A table can be used as a list with icons.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TableViewer tableViewer;
+
+	/**
+	 * This shows how a tree view with columns works.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer treeViewerWithColumns;
+
+	/**
+	 * This keeps track of the active viewer pane, in the book.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ViewerPane currentViewerPane;
+
+	/**
+	 * This keeps track of the active content viewer, which may be either one of the viewers in the pages or the content outline viewer.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Viewer currentViewer;
+
+	/**
+	 * This listens to which ever viewer is active.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ISelectionChangedListener selectionChangedListener;
+
+	/**
+	 * This keeps track of all the {@link org.eclipse.jface.viewers.ISelectionChangedListener}s that are listening to this editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<ISelectionChangedListener> selectionChangedListeners = new ArrayList<ISelectionChangedListener>();
+
+	/**
+	 * This keeps track of the selection of the editor as a whole.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ISelection editorSelection = StructuredSelection.EMPTY;
+
+	/**
+	 * The MarkerHelper is responsible for creating workspace resource markers presented
+	 * in Eclipse's Problems View.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected MarkerHelper markerHelper = new EditUIMarkerHelper();
+
+	/**
+	 * This listens for when the outline becomes active
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IPartListener partListener =
+		new IPartListener() {
+			public void partActivated(IWorkbenchPart p) {
+				if (p instanceof ContentOutline) {
+					if (((ContentOutline)p).getCurrentPage() == contentOutlinePage) {
+						getActionBarContributor().setActiveEditor(LaxconditionEditor.this);
+
+						setCurrentViewer(contentOutlineViewer);
+					}
+				}
+				else if (p instanceof PropertySheet) {
+					if (propertySheetPages.contains(((PropertySheet)p).getCurrentPage())) {
+						getActionBarContributor().setActiveEditor(LaxconditionEditor.this);
+						handleActivate();
+					}
+				}
+				else if (p == LaxconditionEditor.this) {
+					handleActivate();
+				}
+			}
+			public void partBroughtToTop(IWorkbenchPart p) {
+				// Ignore.
+			}
+			public void partClosed(IWorkbenchPart p) {
+				// Ignore.
+			}
+			public void partDeactivated(IWorkbenchPart p) {
+				// Ignore.
+			}
+			public void partOpened(IWorkbenchPart p) {
+				// Ignore.
+			}
+		};
+
+	/**
+	 * Resources that have been removed since last activation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Resource> removedResources = new ArrayList<Resource>();
+
+	/**
+	 * Resources that have been changed since last activation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Resource> changedResources = new ArrayList<Resource>();
+
+	/**
+	 * Resources that have been saved.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Resource> savedResources = new ArrayList<Resource>();
+
+	/**
+	 * Map to store the diagnostic associated with a resource.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Map<Resource, Diagnostic> resourceToDiagnosticMap = new LinkedHashMap<Resource, Diagnostic>();
+
+	/**
+	 * Controls whether the problem indication should be updated.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected boolean updateProblemIndication = true;
+
+	/**
+	 * Adapter used to update the problem indication when resources are demanded loaded.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected EContentAdapter problemIndicationAdapter =
+		new EContentAdapter() {
+			@Override
+			public void notifyChanged(Notification notification) {
+				if (notification.getNotifier() instanceof Resource) {
+					switch (notification.getFeatureID(Resource.class)) {
+						case Resource.RESOURCE__IS_LOADED:
+						case Resource.RESOURCE__ERRORS:
+						case Resource.RESOURCE__WARNINGS: {
+							Resource resource = (Resource)notification.getNotifier();
+							Diagnostic diagnostic = analyzeResourceProblems(resource, null);
+							if (diagnostic.getSeverity() != Diagnostic.OK) {
+								resourceToDiagnosticMap.put(resource, diagnostic);
+							}
+							else {
+								resourceToDiagnosticMap.remove(resource);
+							}
+
+							if (updateProblemIndication) {
+								getSite().getShell().getDisplay().asyncExec
+									(new Runnable() {
+										 public void run() {
+											 updateProblemIndication();
+										 }
+									 });
+							}
+							break;
+						}
+					}
+				}
+				else {
+					super.notifyChanged(notification);
+				}
+			}
+
+			@Override
+			protected void setTarget(Resource target) {
+				basicSetTarget(target);
+			}
+
+			@Override
+			protected void unsetTarget(Resource target) {
+				basicUnsetTarget(target);
+				resourceToDiagnosticMap.remove(target);
+				if (updateProblemIndication) {
+					getSite().getShell().getDisplay().asyncExec
+						(new Runnable() {
+							 public void run() {
+								 updateProblemIndication();
+							 }
+						 });
+				}
+			}
+		};
+
+	/**
+	 * This listens for workspace changes.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IResourceChangeListener resourceChangeListener =
+		new IResourceChangeListener() {
+			public void resourceChanged(IResourceChangeEvent event) {
+				IResourceDelta delta = event.getDelta();
+				try {
+					class ResourceDeltaVisitor implements IResourceDeltaVisitor {
+						protected ResourceSet resourceSet = editingDomain.getResourceSet();
+						protected Collection<Resource> changedResources = new ArrayList<Resource>();
+						protected Collection<Resource> removedResources = new ArrayList<Resource>();
+
+						public boolean visit(IResourceDelta delta) {
+							if (delta.getResource().getType() == IResource.FILE) {
+								if (delta.getKind() == IResourceDelta.REMOVED ||
+								    delta.getKind() == IResourceDelta.CHANGED && delta.getFlags() != IResourceDelta.MARKERS) {
+									Resource resource = resourceSet.getResource(URI.createPlatformResourceURI(delta.getFullPath().toString(), true), false);
+									if (resource != null) {
+										if (delta.getKind() == IResourceDelta.REMOVED) {
+											removedResources.add(resource);
+										}
+										else if (!savedResources.remove(resource)) {
+											changedResources.add(resource);
+										}
+									}
+								}
+								return false;
+							}
+
+							return true;
+						}
+
+						public Collection<Resource> getChangedResources() {
+							return changedResources;
+						}
+
+						public Collection<Resource> getRemovedResources() {
+							return removedResources;
+						}
+					}
+
+					final ResourceDeltaVisitor visitor = new ResourceDeltaVisitor();
+					delta.accept(visitor);
+
+					if (!visitor.getRemovedResources().isEmpty()) {
+						getSite().getShell().getDisplay().asyncExec
+							(new Runnable() {
+								 public void run() {
+									 removedResources.addAll(visitor.getRemovedResources());
+									 if (!isDirty()) {
+										 getSite().getPage().closeEditor(LaxconditionEditor.this, false);
+									 }
+								 }
+							 });
+					}
+
+					if (!visitor.getChangedResources().isEmpty()) {
+						getSite().getShell().getDisplay().asyncExec
+							(new Runnable() {
+								 public void run() {
+									 changedResources.addAll(visitor.getChangedResources());
+									 if (getSite().getPage().getActiveEditor() == LaxconditionEditor.this) {
+										 handleActivate();
+									 }
+								 }
+							 });
+					}
+				}
+				catch (CoreException exception) {
+					NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+				}
+			}
+		};
+
+	/**
+	 * Handles activation of the editor or it's associated views.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void handleActivate() {
+		// Recompute the read only state.
+		//
+		if (editingDomain.getResourceToReadOnlyMap() != null) {
+		  editingDomain.getResourceToReadOnlyMap().clear();
+
+		  // Refresh any actions that may become enabled or disabled.
+		  //
+		  setSelection(getSelection());
+		}
+
+		if (!removedResources.isEmpty()) {
+			if (handleDirtyConflict()) {
+				getSite().getPage().closeEditor(LaxconditionEditor.this, false);
+			}
+			else {
+				removedResources.clear();
+				changedResources.clear();
+				savedResources.clear();
+			}
+		}
+		else if (!changedResources.isEmpty()) {
+			changedResources.removeAll(savedResources);
+			handleChangedResources();
+			changedResources.clear();
+			savedResources.clear();
+		}
+	}
+
+	/**
+	 * Handles what to do with changed resources on activation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void handleChangedResources() {
+		if (!changedResources.isEmpty() && (!isDirty() || handleDirtyConflict())) {
+			if (isDirty()) {
+				changedResources.addAll(editingDomain.getResourceSet().getResources());
+			}
+			editingDomain.getCommandStack().flush();
+
+			updateProblemIndication = false;
+			for (Resource resource : changedResources) {
+				if (resource.isLoaded()) {
+					resource.unload();
+					try {
+						resource.load(Collections.EMPTY_MAP);
+					}
+					catch (IOException exception) {
+						if (!resourceToDiagnosticMap.containsKey(resource)) {
+							resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
+						}
+					}
+				}
+			}
+
+			if (AdapterFactoryEditingDomain.isStale(editorSelection)) {
+				setSelection(StructuredSelection.EMPTY);
+			}
+
+			updateProblemIndication = true;
+			updateProblemIndication();
+		}
+	}
+
+	/**
+	 * Updates the problems indication with the information described in the specified diagnostic.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void updateProblemIndication() {
+		if (updateProblemIndication) {
+			BasicDiagnostic diagnostic =
+				new BasicDiagnostic
+					(Diagnostic.OK,
+					 "de.unimarburg.swt.ocl2ac.model.editor",
+					 0,
+					 null,
+					 new Object [] { editingDomain.getResourceSet() });
+			for (Diagnostic childDiagnostic : resourceToDiagnosticMap.values()) {
+				if (childDiagnostic.getSeverity() != Diagnostic.OK) {
+					diagnostic.add(childDiagnostic);
+				}
+			}
+
+			int lastEditorPage = getPageCount() - 1;
+			if (lastEditorPage >= 0 && getEditor(lastEditorPage) instanceof ProblemEditorPart) {
+				((ProblemEditorPart)getEditor(lastEditorPage)).setDiagnostic(diagnostic);
+				if (diagnostic.getSeverity() != Diagnostic.OK) {
+					setActivePage(lastEditorPage);
+				}
+			}
+			else if (diagnostic.getSeverity() != Diagnostic.OK) {
+				ProblemEditorPart problemEditorPart = new ProblemEditorPart();
+				problemEditorPart.setDiagnostic(diagnostic);
+				problemEditorPart.setMarkerHelper(markerHelper);
+				try {
+					addPage(++lastEditorPage, problemEditorPart, getEditorInput());
+					setPageText(lastEditorPage, problemEditorPart.getPartName());
+					setActivePage(lastEditorPage);
+					showTabs();
+				}
+				catch (PartInitException exception) {
+					NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+				}
+			}
+
+			if (markerHelper.hasMarkers(editingDomain.getResourceSet())) {
+				markerHelper.deleteMarkers(editingDomain.getResourceSet());
+				if (diagnostic.getSeverity() != Diagnostic.OK) {
+					try {
+						markerHelper.createMarkers(diagnostic);
+					}
+					catch (CoreException exception) {
+						NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * Shows a dialog that asks if conflicting changes should be discarded.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected boolean handleDirtyConflict() {
+		return
+			MessageDialog.openQuestion
+				(getSite().getShell(),
+				 getString("_UI_FileConflict_label"),
+				 getString("_WARN_FileConflict"));
+	}
+
+	/**
+	 * This creates a model editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LaxconditionEditor() {
+		super();
+		initializeEditingDomain();
+	}
+
+	/**
+	 * This sets up the editing domain for the model editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void initializeEditingDomain() {
+		// Create an adapter factory that yields item providers.
+		//
+		adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
+
+		adapterFactory.addAdapterFactory(new ResourceItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new NestedconstraintmodelItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new NestedconditionItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new GraphItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new LaxconditionItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new ReflectiveItemProviderAdapterFactory());
+
+		// Create the command stack that will notify this editor as commands are executed.
+		//
+		BasicCommandStack commandStack = new BasicCommandStack();
+
+		// Add a listener to set the most recent command's affected objects to be the selection of the viewer with focus.
+		//
+		commandStack.addCommandStackListener
+			(new CommandStackListener() {
+				 public void commandStackChanged(final EventObject event) {
+					 getContainer().getDisplay().asyncExec
+						 (new Runnable() {
+							  public void run() {
+								  firePropertyChange(IEditorPart.PROP_DIRTY);
+
+								  // Try to select the affected objects.
+								  //
+								  Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand();
+								  if (mostRecentCommand != null) {
+									  setSelectionToViewer(mostRecentCommand.getAffectedObjects());
+								  }
+								  for (Iterator<PropertySheetPage> i = propertySheetPages.iterator(); i.hasNext(); ) {
+									  PropertySheetPage propertySheetPage = i.next();
+									  if (propertySheetPage.getControl().isDisposed()) {
+										  i.remove();
+									  }
+									  else {
+										  propertySheetPage.refresh();
+									  }
+								  }
+							  }
+						  });
+				 }
+			 });
+
+		// Create the editing domain with a special command stack.
+		//
+		editingDomain = new AdapterFactoryEditingDomain(adapterFactory, commandStack, new HashMap<Resource, Boolean>());
+	}
+
+	/**
+	 * This is here for the listener to be able to call it.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+			@Override
+	protected void firePropertyChange(int action) {
+		super.firePropertyChange(action);
+	}
+
+	/**
+	 * This sets the selection into whichever viewer is active.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setSelectionToViewer(Collection<?> collection) {
+		final Collection<?> theSelection = collection;
+		// Make sure it's okay.
+		//
+		if (theSelection != null && !theSelection.isEmpty()) {
+			Runnable runnable =
+				new Runnable() {
+					public void run() {
+						// Try to select the items in the current content viewer of the editor.
+						//
+						if (currentViewer != null) {
+							currentViewer.setSelection(new StructuredSelection(theSelection.toArray()), true);
+						}
+					}
+				};
+			getSite().getShell().getDisplay().asyncExec(runnable);
+		}
+	}
+
+	/**
+	 * This returns the editing domain as required by the {@link IEditingDomainProvider} interface.
+	 * This is important for implementing the static methods of {@link AdapterFactoryEditingDomain}
+	 * and for supporting {@link org.eclipse.emf.edit.ui.action.CommandAction}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EditingDomain getEditingDomain() {
+		return editingDomain;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public class ReverseAdapterFactoryContentProvider extends AdapterFactoryContentProvider {
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public ReverseAdapterFactoryContentProvider(AdapterFactory adapterFactory) {
+			super(adapterFactory);
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public Object [] getElements(Object object) {
+			Object parent = super.getParent(object);
+			return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray();
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public Object [] getChildren(Object object) {
+			Object parent = super.getParent(object);
+			return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray();
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public boolean hasChildren(Object object) {
+			Object parent = super.getParent(object);
+			return parent != null;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public Object getParent(Object object) {
+			return null;
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setCurrentViewerPane(ViewerPane viewerPane) {
+		if (currentViewerPane != viewerPane) {
+			if (currentViewerPane != null) {
+				currentViewerPane.showFocus(false);
+			}
+			currentViewerPane = viewerPane;
+		}
+		setCurrentViewer(currentViewerPane.getViewer());
+	}
+
+	/**
+	 * This makes sure that one content viewer, either for the current page or the outline view, if it has focus,
+	 * is the current one.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setCurrentViewer(Viewer viewer) {
+		// If it is changing...
+		//
+		if (currentViewer != viewer) {
+			if (selectionChangedListener == null) {
+				// Create the listener on demand.
+				//
+				selectionChangedListener =
+					new ISelectionChangedListener() {
+						// This just notifies those things that are affected by the section.
+						//
+						public void selectionChanged(SelectionChangedEvent selectionChangedEvent) {
+							setSelection(selectionChangedEvent.getSelection());
+						}
+					};
+			}
+
+			// Stop listening to the old one.
+			//
+			if (currentViewer != null) {
+				currentViewer.removeSelectionChangedListener(selectionChangedListener);
+			}
+
+			// Start listening to the new one.
+			//
+			if (viewer != null) {
+				viewer.addSelectionChangedListener(selectionChangedListener);
+			}
+
+			// Remember it.
+			//
+			currentViewer = viewer;
+
+			// Set the editors selection based on the current viewer's selection.
+			//
+			setSelection(currentViewer == null ? StructuredSelection.EMPTY : currentViewer.getSelection());
+		}
+	}
+
+	/**
+	 * This returns the viewer as required by the {@link IViewerProvider} interface.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Viewer getViewer() {
+		return currentViewer;
+	}
+
+	/**
+	 * This creates a context menu for the viewer and adds a listener as well registering the menu for extension.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createContextMenuFor(StructuredViewer viewer) {
+		MenuManager contextMenu = new MenuManager("#PopUp");
+		contextMenu.add(new Separator("additions"));
+		contextMenu.setRemoveAllWhenShown(true);
+		contextMenu.addMenuListener(this);
+		Menu menu= contextMenu.createContextMenu(viewer.getControl());
+		viewer.getControl().setMenu(menu);
+		getSite().registerContextMenu(contextMenu, new UnwrappingSelectionProvider(viewer));
+
+		int dndOperations = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
+		Transfer[] transfers = new Transfer[] { LocalTransfer.getInstance(), LocalSelectionTransfer.getTransfer(), FileTransfer.getInstance() };
+		viewer.addDragSupport(dndOperations, transfers, new ViewerDragAdapter(viewer));
+		viewer.addDropSupport(dndOperations, transfers, new EditingDomainViewerDropAdapter(editingDomain, viewer));
+	}
+
+	/**
+	 * This is the method called to load a resource into the editing domain's resource set based on the editor's input.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void createModel() {
+		URI resourceURI = EditUIUtil.getURI(getEditorInput(), editingDomain.getResourceSet().getURIConverter());
+		Exception exception = null;
+		Resource resource = null;
+		try {
+			// Load the resource through the editing domain.
+			//
+			resource = editingDomain.getResourceSet().getResource(resourceURI, true);
+		}
+		catch (Exception e) {
+			exception = e;
+			resource = editingDomain.getResourceSet().getResource(resourceURI, false);
+		}
+
+		Diagnostic diagnostic = analyzeResourceProblems(resource, exception);
+		if (diagnostic.getSeverity() != Diagnostic.OK) {
+			resourceToDiagnosticMap.put(resource,  analyzeResourceProblems(resource, exception));
+		}
+		editingDomain.getResourceSet().eAdapters().add(problemIndicationAdapter);
+	}
+
+	/**
+	 * Returns a diagnostic describing the errors and warnings listed in the resource
+	 * and the specified exception (if any).
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Diagnostic analyzeResourceProblems(Resource resource, Exception exception) {
+		boolean hasErrors = !resource.getErrors().isEmpty();
+		if (hasErrors || !resource.getWarnings().isEmpty()) {
+			BasicDiagnostic basicDiagnostic =
+				new BasicDiagnostic
+					(hasErrors ? Diagnostic.ERROR : Diagnostic.WARNING,
+					 "de.unimarburg.swt.ocl2ac.model.editor",
+					 0,
+					 getString("_UI_CreateModelError_message", resource.getURI()),
+					 new Object [] { exception == null ? (Object)resource : exception });
+			basicDiagnostic.merge(EcoreUtil.computeDiagnostic(resource, true));
+			return basicDiagnostic;
+		}
+		else if (exception != null) {
+			return
+				new BasicDiagnostic
+					(Diagnostic.ERROR,
+					 "de.unimarburg.swt.ocl2ac.model.editor",
+					 0,
+					 getString("_UI_CreateModelError_message", resource.getURI()),
+					 new Object[] { exception });
+		}
+		else {
+			return Diagnostic.OK_INSTANCE;
+		}
+	}
+
+	/**
+	 * This is the method used by the framework to install your own controls.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void createPages() {
+		// Creates the model from the editor input
+		//
+		createModel();
+
+		// Only creates the other pages if there is something that can be edited
+		//
+		if (!getEditingDomain().getResourceSet().getResources().isEmpty()) {
+			// Create a page for the selection tree view.
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), LaxconditionEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							Tree tree = new Tree(composite, SWT.MULTI);
+							TreeViewer newTreeViewer = new TreeViewer(tree);
+							return newTreeViewer;
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+
+				selectionViewer = (TreeViewer)viewerPane.getViewer();
+				selectionViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+
+				selectionViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+				selectionViewer.setInput(editingDomain.getResourceSet());
+				selectionViewer.setSelection(new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)), true);
+				viewerPane.setTitle(editingDomain.getResourceSet());
+
+				new AdapterFactoryTreeEditor(selectionViewer.getTree(), adapterFactory);
+
+				createContextMenuFor(selectionViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_SelectionPage_label"));
+			}
+
+			// Create a page for the parent tree view.
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), LaxconditionEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							Tree tree = new Tree(composite, SWT.MULTI);
+							TreeViewer newTreeViewer = new TreeViewer(tree);
+							return newTreeViewer;
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+
+				parentViewer = (TreeViewer)viewerPane.getViewer();
+				parentViewer.setAutoExpandLevel(30);
+				parentViewer.setContentProvider(new ReverseAdapterFactoryContentProvider(adapterFactory));
+				parentViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(parentViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_ParentPage_label"));
+			}
+
+			// This is the page for the list viewer
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), LaxconditionEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							return new ListViewer(composite);
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+				listViewer = (ListViewer)viewerPane.getViewer();
+				listViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				listViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(listViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_ListPage_label"));
+			}
+
+			// This is the page for the tree viewer
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), LaxconditionEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							return new TreeViewer(composite);
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+				treeViewer = (TreeViewer)viewerPane.getViewer();
+				treeViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				treeViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				new AdapterFactoryTreeEditor(treeViewer.getTree(), adapterFactory);
+
+				createContextMenuFor(treeViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_TreePage_label"));
+			}
+
+			// This is the page for the table viewer.
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), LaxconditionEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							return new TableViewer(composite);
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+				tableViewer = (TableViewer)viewerPane.getViewer();
+
+				Table table = tableViewer.getTable();
+				TableLayout layout = new TableLayout();
+				table.setLayout(layout);
+				table.setHeaderVisible(true);
+				table.setLinesVisible(true);
+
+				TableColumn objectColumn = new TableColumn(table, SWT.NONE);
+				layout.addColumnData(new ColumnWeightData(3, 100, true));
+				objectColumn.setText(getString("_UI_ObjectColumn_label"));
+				objectColumn.setResizable(true);
+
+				TableColumn selfColumn = new TableColumn(table, SWT.NONE);
+				layout.addColumnData(new ColumnWeightData(2, 100, true));
+				selfColumn.setText(getString("_UI_SelfColumn_label"));
+				selfColumn.setResizable(true);
+
+				tableViewer.setColumnProperties(new String [] {"a", "b"});
+				tableViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				tableViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(tableViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_TablePage_label"));
+			}
+
+			// This is the page for the table tree viewer.
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), LaxconditionEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							return new TreeViewer(composite);
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+
+				treeViewerWithColumns = (TreeViewer)viewerPane.getViewer();
+
+				Tree tree = treeViewerWithColumns.getTree();
+				tree.setLayoutData(new FillLayout());
+				tree.setHeaderVisible(true);
+				tree.setLinesVisible(true);
+
+				TreeColumn objectColumn = new TreeColumn(tree, SWT.NONE);
+				objectColumn.setText(getString("_UI_ObjectColumn_label"));
+				objectColumn.setResizable(true);
+				objectColumn.setWidth(250);
+
+				TreeColumn selfColumn = new TreeColumn(tree, SWT.NONE);
+				selfColumn.setText(getString("_UI_SelfColumn_label"));
+				selfColumn.setResizable(true);
+				selfColumn.setWidth(200);
+
+				treeViewerWithColumns.setColumnProperties(new String [] {"a", "b"});
+				treeViewerWithColumns.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				treeViewerWithColumns.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(treeViewerWithColumns);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_TreeWithColumnsPage_label"));
+			}
+
+			getSite().getShell().getDisplay().asyncExec
+				(new Runnable() {
+					 public void run() {
+						 setActivePage(0);
+					 }
+				 });
+		}
+
+		// Ensures that this editor will only display the page's tab
+		// area if there are more than one page
+		//
+		getContainer().addControlListener
+			(new ControlAdapter() {
+				boolean guard = false;
+				@Override
+				public void controlResized(ControlEvent event) {
+					if (!guard) {
+						guard = true;
+						hideTabs();
+						guard = false;
+					}
+				}
+			 });
+
+		getSite().getShell().getDisplay().asyncExec
+			(new Runnable() {
+				 public void run() {
+					 updateProblemIndication();
+				 }
+			 });
+	}
+
+	/**
+	 * If there is just one page in the multi-page editor part,
+	 * this hides the single tab at the bottom.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void hideTabs() {
+		if (getPageCount() <= 1) {
+			setPageText(0, "");
+			if (getContainer() instanceof CTabFolder) {
+				((CTabFolder)getContainer()).setTabHeight(1);
+				Point point = getContainer().getSize();
+				getContainer().setSize(point.x, point.y + 6);
+			}
+		}
+	}
+
+	/**
+	 * If there is more than one page in the multi-page editor part,
+	 * this shows the tabs at the bottom.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void showTabs() {
+		if (getPageCount() > 1) {
+			setPageText(0, getString("_UI_SelectionPage_label"));
+			if (getContainer() instanceof CTabFolder) {
+				((CTabFolder)getContainer()).setTabHeight(SWT.DEFAULT);
+				Point point = getContainer().getSize();
+				getContainer().setSize(point.x, point.y - 6);
+			}
+		}
+	}
+
+	/**
+	 * This is used to track the active viewer.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void pageChange(int pageIndex) {
+		super.pageChange(pageIndex);
+
+		if (contentOutlinePage != null) {
+			handleContentOutlineSelection(contentOutlinePage.getSelection());
+		}
+	}
+
+	/**
+	 * This is how the framework determines which interfaces we implement.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("rawtypes")
+	@Override
+	public Object getAdapter(Class key) {
+		if (key.equals(IContentOutlinePage.class)) {
+			return showOutlineView() ? getContentOutlinePage() : null;
+		}
+		else if (key.equals(IPropertySheetPage.class)) {
+			return getPropertySheetPage();
+		}
+		else if (key.equals(IGotoMarker.class)) {
+			return this;
+		}
+		else {
+			return super.getAdapter(key);
+		}
+	}
+
+	/**
+	 * This accesses a cached version of the content outliner.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IContentOutlinePage getContentOutlinePage() {
+		if (contentOutlinePage == null) {
+			// The content outline is just a tree.
+			//
+			class MyContentOutlinePage extends ContentOutlinePage {
+				@Override
+				public void createControl(Composite parent) {
+					super.createControl(parent);
+					contentOutlineViewer = getTreeViewer();
+					contentOutlineViewer.addSelectionChangedListener(this);
+
+					// Set up the tree viewer.
+					//
+					contentOutlineViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+					contentOutlineViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+					contentOutlineViewer.setInput(editingDomain.getResourceSet());
+
+					// Make sure our popups work.
+					//
+					createContextMenuFor(contentOutlineViewer);
+
+					if (!editingDomain.getResourceSet().getResources().isEmpty()) {
+					  // Select the root object in the view.
+					  //
+					  contentOutlineViewer.setSelection(new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)), true);
+					}
+				}
+
+				@Override
+				public void makeContributions(IMenuManager menuManager, IToolBarManager toolBarManager, IStatusLineManager statusLineManager) {
+					super.makeContributions(menuManager, toolBarManager, statusLineManager);
+					contentOutlineStatusLineManager = statusLineManager;
+				}
+
+				@Override
+				public void setActionBars(IActionBars actionBars) {
+					super.setActionBars(actionBars);
+					getActionBarContributor().shareGlobalActions(this, actionBars);
+				}
+			}
+
+			contentOutlinePage = new MyContentOutlinePage();
+
+			// Listen to selection so that we can handle it is a special way.
+			//
+			contentOutlinePage.addSelectionChangedListener
+				(new ISelectionChangedListener() {
+					 // This ensures that we handle selections correctly.
+					 //
+					 public void selectionChanged(SelectionChangedEvent event) {
+						 handleContentOutlineSelection(event.getSelection());
+					 }
+				 });
+		}
+
+		return contentOutlinePage;
+	}
+
+	/**
+	 * This accesses a cached version of the property sheet.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IPropertySheetPage getPropertySheetPage() {
+		PropertySheetPage propertySheetPage =
+			new ExtendedPropertySheetPage(editingDomain) {
+				@Override
+				public void setSelectionToViewer(List<?> selection) {
+					LaxconditionEditor.this.setSelectionToViewer(selection);
+					LaxconditionEditor.this.setFocus();
+				}
+
+				@Override
+				public void setActionBars(IActionBars actionBars) {
+					super.setActionBars(actionBars);
+					getActionBarContributor().shareGlobalActions(this, actionBars);
+				}
+			};
+		propertySheetPage.setPropertySourceProvider(new AdapterFactoryContentProvider(adapterFactory));
+		propertySheetPages.add(propertySheetPage);
+
+		return propertySheetPage;
+	}
+
+	/**
+	 * This deals with how we want selection in the outliner to affect the other views.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void handleContentOutlineSelection(ISelection selection) {
+		if (currentViewerPane != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
+			Iterator<?> selectedElements = ((IStructuredSelection)selection).iterator();
+			if (selectedElements.hasNext()) {
+				// Get the first selected element.
+				//
+				Object selectedElement = selectedElements.next();
+
+				// If it's the selection viewer, then we want it to select the same selection as this selection.
+				//
+				if (currentViewerPane.getViewer() == selectionViewer) {
+					ArrayList<Object> selectionList = new ArrayList<Object>();
+					selectionList.add(selectedElement);
+					while (selectedElements.hasNext()) {
+						selectionList.add(selectedElements.next());
+					}
+
+					// Set the selection to the widget.
+					//
+					selectionViewer.setSelection(new StructuredSelection(selectionList));
+				}
+				else {
+					// Set the input to the widget.
+					//
+					if (currentViewerPane.getViewer().getInput() != selectedElement) {
+						currentViewerPane.getViewer().setInput(selectedElement);
+						currentViewerPane.setTitle(selectedElement);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * This is for implementing {@link IEditorPart} and simply tests the command stack.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean isDirty() {
+		return ((BasicCommandStack)editingDomain.getCommandStack()).isSaveNeeded();
+	}
+
+	/**
+	 * This is for implementing {@link IEditorPart} and simply saves the model file.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void doSave(IProgressMonitor progressMonitor) {
+		// Save only resources that have actually changed.
+		//
+		final Map<Object, Object> saveOptions = new HashMap<Object, Object>();
+		saveOptions.put(Resource.OPTION_SAVE_ONLY_IF_CHANGED, Resource.OPTION_SAVE_ONLY_IF_CHANGED_MEMORY_BUFFER);
+		saveOptions.put(Resource.OPTION_LINE_DELIMITER, Resource.OPTION_LINE_DELIMITER_UNSPECIFIED);
+
+		// Do the work within an operation because this is a long running activity that modifies the workbench.
+		//
+		WorkspaceModifyOperation operation =
+			new WorkspaceModifyOperation() {
+				// This is the method that gets invoked when the operation runs.
+				//
+				@Override
+				public void execute(IProgressMonitor monitor) {
+					// Save the resources to the file system.
+					//
+					boolean first = true;
+					for (Resource resource : editingDomain.getResourceSet().getResources()) {
+						if ((first || !resource.getContents().isEmpty() || isPersisted(resource)) && !editingDomain.isReadOnly(resource)) {
+							try {
+								long timeStamp = resource.getTimeStamp();
+								resource.save(saveOptions);
+								if (resource.getTimeStamp() != timeStamp) {
+									savedResources.add(resource);
+								}
+							}
+							catch (Exception exception) {
+								resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
+							}
+							first = false;
+						}
+					}
+				}
+			};
+
+		updateProblemIndication = false;
+		try {
+			// This runs the options, and shows progress.
+			//
+			new ProgressMonitorDialog(getSite().getShell()).run(true, false, operation);
+
+			// Refresh the necessary state.
+			//
+			((BasicCommandStack)editingDomain.getCommandStack()).saveIsDone();
+			firePropertyChange(IEditorPart.PROP_DIRTY);
+		}
+		catch (Exception exception) {
+			// Something went wrong that shouldn't.
+			//
+			NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+		}
+		updateProblemIndication = true;
+		updateProblemIndication();
+	}
+
+	/**
+	 * This returns whether something has been persisted to the URI of the specified resource.
+	 * The implementation uses the URI converter from the editor's resource set to try to open an input stream.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected boolean isPersisted(Resource resource) {
+		boolean result = false;
+		try {
+			InputStream stream = editingDomain.getResourceSet().getURIConverter().createInputStream(resource.getURI());
+			if (stream != null) {
+				result = true;
+				stream.close();
+			}
+		}
+		catch (IOException e) {
+			// Ignore
+		}
+		return result;
+	}
+
+	/**
+	 * This always returns true because it is not currently supported.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean isSaveAsAllowed() {
+		return true;
+	}
+
+	/**
+	 * This also changes the editor's input.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void doSaveAs() {
+		SaveAsDialog saveAsDialog = new SaveAsDialog(getSite().getShell());
+		saveAsDialog.open();
+		IPath path = saveAsDialog.getResult();
+		if (path != null) {
+			IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(path);
+			if (file != null) {
+				doSaveAs(URI.createPlatformResourceURI(file.getFullPath().toString(), true), new FileEditorInput(file));
+			}
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void doSaveAs(URI uri, IEditorInput editorInput) {
+		(editingDomain.getResourceSet().getResources().get(0)).setURI(uri);
+		setInputWithNotify(editorInput);
+		setPartName(editorInput.getName());
+		IProgressMonitor progressMonitor =
+			getActionBars().getStatusLineManager() != null ?
+				getActionBars().getStatusLineManager().getProgressMonitor() :
+				new NullProgressMonitor();
+		doSave(progressMonitor);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void gotoMarker(IMarker marker) {
+		List<?> targetObjects = markerHelper.getTargetObjects(editingDomain, marker);
+		if (!targetObjects.isEmpty()) {
+			setSelectionToViewer(targetObjects);
+		}
+	}
+
+	/**
+	 * This is called during startup.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void init(IEditorSite site, IEditorInput editorInput) {
+		setSite(site);
+		setInputWithNotify(editorInput);
+		setPartName(editorInput.getName());
+		site.setSelectionProvider(this);
+		site.getPage().addPartListener(partListener);
+		ResourcesPlugin.getWorkspace().addResourceChangeListener(resourceChangeListener, IResourceChangeEvent.POST_CHANGE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void setFocus() {
+		if (currentViewerPane != null) {
+			currentViewerPane.setFocus();
+		}
+		else {
+			getControl(getActivePage()).setFocus();
+		}
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void addSelectionChangedListener(ISelectionChangedListener listener) {
+		selectionChangedListeners.add(listener);
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void removeSelectionChangedListener(ISelectionChangedListener listener) {
+		selectionChangedListeners.remove(listener);
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to return this editor's overall selection.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ISelection getSelection() {
+		return editorSelection;
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to set this editor's overall selection.
+	 * Calling this result will notify the listeners.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setSelection(ISelection selection) {
+		editorSelection = selection;
+
+		for (ISelectionChangedListener listener : selectionChangedListeners) {
+			listener.selectionChanged(new SelectionChangedEvent(this, selection));
+		}
+		setStatusLineManager(selection);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setStatusLineManager(ISelection selection) {
+		IStatusLineManager statusLineManager = currentViewer != null && currentViewer == contentOutlineViewer ?
+			contentOutlineStatusLineManager : getActionBars().getStatusLineManager();
+
+		if (statusLineManager != null) {
+			if (selection instanceof IStructuredSelection) {
+				Collection<?> collection = ((IStructuredSelection)selection).toList();
+				switch (collection.size()) {
+					case 0: {
+						statusLineManager.setMessage(getString("_UI_NoObjectSelected"));
+						break;
+					}
+					case 1: {
+						String text = new AdapterFactoryItemDelegator(adapterFactory).getText(collection.iterator().next());
+						statusLineManager.setMessage(getString("_UI_SingleObjectSelected", text));
+						break;
+					}
+					default: {
+						statusLineManager.setMessage(getString("_UI_MultiObjectSelected", Integer.toString(collection.size())));
+						break;
+					}
+				}
+			}
+			else {
+				statusLineManager.setMessage("");
+			}
+		}
+	}
+
+	/**
+	 * This looks up a string in the plugin's plugin.properties file.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static String getString(String key) {
+		return NestedconstraintmodelEditorPlugin.INSTANCE.getString(key);
+	}
+
+	/**
+	 * This looks up a string in plugin.properties, making a substitution.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static String getString(String key, Object s1) {
+		return NestedconstraintmodelEditorPlugin.INSTANCE.getString(key, new Object [] { s1 });
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.action.IMenuListener} to help fill the context menus with contributions from the Edit menu.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void menuAboutToShow(IMenuManager menuManager) {
+		((IMenuListener)getEditorSite().getActionBarContributor()).menuAboutToShow(menuManager);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EditingDomainActionBarContributor getActionBarContributor() {
+		return (EditingDomainActionBarContributor)getEditorSite().getActionBarContributor();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IActionBars getActionBars() {
+		return getActionBarContributor().getActionBars();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public AdapterFactory getAdapterFactory() {
+		return adapterFactory;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void dispose() {
+		updateProblemIndication = false;
+
+		ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceChangeListener);
+
+		getSite().getPage().removePartListener(partListener);
+
+		adapterFactory.dispose();
+
+		if (getActionBarContributor().getActiveEditor() == this) {
+			getActionBarContributor().setActiveEditor(null);
+		}
+
+		for (PropertySheetPage propertySheetPage : propertySheetPages) {
+			propertySheetPage.dispose();
+		}
+
+		if (contentOutlinePage != null) {
+			contentOutlinePage.dispose();
+		}
+
+		super.dispose();
+	}
+
+	/**
+	 * Returns whether the outline view should be presented to the user.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected boolean showOutlineView() {
+		return true;
+	}
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/laxcondition/presentation/LaxconditionModelWizard.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/laxcondition/presentation/LaxconditionModelWizard.java
new file mode 100644
index 0000000..49f4fab
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/laxcondition/presentation/LaxconditionModelWizard.java
@@ -0,0 +1,630 @@
+/**
+ */
+package laxcondition.presentation;
+
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.MissingResourceException;
+import java.util.StringTokenizer;
+
+import org.eclipse.emf.common.CommonPlugin;
+
+import org.eclipse.emf.common.util.URI;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EClassifier;
+
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+import org.eclipse.emf.ecore.xmi.XMLResource;
+
+import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
+
+import org.eclipse.core.resources.IContainer;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IFolder;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.ResourcesPlugin;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+
+import org.eclipse.jface.dialogs.MessageDialog;
+
+import org.eclipse.jface.viewers.IStructuredSelection;
+
+import org.eclipse.jface.wizard.Wizard;
+import org.eclipse.jface.wizard.WizardPage;
+
+import org.eclipse.swt.SWT;
+
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.ModifyEvent;
+
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+
+import org.eclipse.swt.widgets.Combo;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+
+import org.eclipse.ui.INewWizard;
+import org.eclipse.ui.IWorkbench;
+
+import org.eclipse.ui.actions.WorkspaceModifyOperation;
+
+import org.eclipse.ui.dialogs.WizardNewFileCreationPage;
+
+import org.eclipse.ui.part.FileEditorInput;
+import org.eclipse.ui.part.ISetSelectionTarget;
+
+import laxcondition.LaxconditionFactory;
+import laxcondition.LaxconditionPackage;
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+
+import nestedconstraintmodel.presentation.NestedconstraintmodelEditorPlugin;
+
+import org.eclipse.core.runtime.Path;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PartInitException;
+
+
+/**
+ * This is a simple wizard for creating a new model file.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class LaxconditionModelWizard extends Wizard implements INewWizard {
+	/**
+	 * The supported extensions for created files.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final List<String> FILE_EXTENSIONS =
+		Collections.unmodifiableList(Arrays.asList(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_LaxconditionEditorFilenameExtensions").split("\\s*,\\s*")));
+
+	/**
+	 * A formatted list of supported file extensions, suitable for display.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final String FORMATTED_FILE_EXTENSIONS =
+		NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_LaxconditionEditorFilenameExtensions").replaceAll("\\s*,\\s*", ", ");
+
+	/**
+	 * This caches an instance of the model package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected LaxconditionPackage laxconditionPackage = LaxconditionPackage.eINSTANCE;
+
+	/**
+	 * This caches an instance of the model factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected LaxconditionFactory laxconditionFactory = laxconditionPackage.getLaxconditionFactory();
+
+	/**
+	 * This is the file creation page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected LaxconditionModelWizardNewFileCreationPage newFileCreationPage;
+
+	/**
+	 * This is the initial object creation page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected LaxconditionModelWizardInitialObjectCreationPage initialObjectCreationPage;
+
+	/**
+	 * Remember the selection during initialization for populating the default container.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IStructuredSelection selection;
+
+	/**
+	 * Remember the workbench during initialization.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IWorkbench workbench;
+
+	/**
+	 * Caches the names of the types that can be created as the root object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected List<String> initialObjectNames;
+
+	/**
+	 * This just records the information.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void init(IWorkbench workbench, IStructuredSelection selection) {
+		this.workbench = workbench;
+		this.selection = selection;
+		setWindowTitle(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_Wizard_label"));
+		setDefaultPageImageDescriptor(ExtendedImageRegistry.INSTANCE.getImageDescriptor(NestedconstraintmodelEditorPlugin.INSTANCE.getImage("full/wizban/NewLaxcondition")));
+	}
+
+	/**
+	 * Returns the names of the types that can be created as the root object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<String> getInitialObjectNames() {
+		if (initialObjectNames == null) {
+			initialObjectNames = new ArrayList<String>();
+			for (EClassifier eClassifier : laxconditionPackage.getEClassifiers()) {
+				if (eClassifier instanceof EClass) {
+					EClass eClass = (EClass)eClassifier;
+					if (!eClass.isAbstract()) {
+						initialObjectNames.add(eClass.getName());
+					}
+				}
+			}
+			Collections.sort(initialObjectNames, CommonPlugin.INSTANCE.getComparator());
+		}
+		return initialObjectNames;
+	}
+
+	/**
+	 * Create a new model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected EObject createInitialModel() {
+		EClass eClass = (EClass)laxconditionPackage.getEClassifier(initialObjectCreationPage.getInitialObjectName());
+		EObject rootObject = laxconditionFactory.create(eClass);
+		return rootObject;
+	}
+
+	/**
+	 * Do the work after everything is specified.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean performFinish() {
+		try {
+			// Remember the file.
+			//
+			final IFile modelFile = getModelFile();
+
+			// Do the work within an operation.
+			//
+			WorkspaceModifyOperation operation =
+				new WorkspaceModifyOperation() {
+					@Override
+					protected void execute(IProgressMonitor progressMonitor) {
+						try {
+							// Create a resource set
+							//
+							ResourceSet resourceSet = new ResourceSetImpl();
+
+							// Get the URI of the model file.
+							//
+							URI fileURI = URI.createPlatformResourceURI(modelFile.getFullPath().toString(), true);
+
+							// Create a resource for this file.
+							//
+							Resource resource = resourceSet.createResource(fileURI);
+
+							// Add the initial model object to the contents.
+							//
+							EObject rootObject = createInitialModel();
+							if (rootObject != null) {
+								resource.getContents().add(rootObject);
+							}
+
+							// Save the contents of the resource to the file system.
+							//
+							Map<Object, Object> options = new HashMap<Object, Object>();
+							options.put(XMLResource.OPTION_ENCODING, initialObjectCreationPage.getEncoding());
+							resource.save(options);
+						}
+						catch (Exception exception) {
+							NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+						}
+						finally {
+							progressMonitor.done();
+						}
+					}
+				};
+
+			getContainer().run(false, false, operation);
+
+			// Select the new file resource in the current view.
+			//
+			IWorkbenchWindow workbenchWindow = workbench.getActiveWorkbenchWindow();
+			IWorkbenchPage page = workbenchWindow.getActivePage();
+			final IWorkbenchPart activePart = page.getActivePart();
+			if (activePart instanceof ISetSelectionTarget) {
+				final ISelection targetSelection = new StructuredSelection(modelFile);
+				getShell().getDisplay().asyncExec
+					(new Runnable() {
+						 public void run() {
+							 ((ISetSelectionTarget)activePart).selectReveal(targetSelection);
+						 }
+					 });
+			}
+
+			// Open an editor on the new file.
+			//
+			try {
+				page.openEditor
+					(new FileEditorInput(modelFile),
+					 workbench.getEditorRegistry().getDefaultEditor(modelFile.getFullPath().toString()).getId());					 	 
+			}
+			catch (PartInitException exception) {
+				MessageDialog.openError(workbenchWindow.getShell(), NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_OpenEditorError_label"), exception.getMessage());
+				return false;
+			}
+
+			return true;
+		}
+		catch (Exception exception) {
+			NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+			return false;
+		}
+	}
+
+	/**
+	 * This is the one page of the wizard.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public class LaxconditionModelWizardNewFileCreationPage extends WizardNewFileCreationPage {
+		/**
+		 * Pass in the selection.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public LaxconditionModelWizardNewFileCreationPage(String pageId, IStructuredSelection selection) {
+			super(pageId, selection);
+		}
+
+		/**
+		 * The framework calls this to see if the file is correct.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		protected boolean validatePage() {
+			if (super.validatePage()) {
+				String extension = new Path(getFileName()).getFileExtension();
+				if (extension == null || !FILE_EXTENSIONS.contains(extension)) {
+					String key = FILE_EXTENSIONS.size() > 1 ? "_WARN_FilenameExtensions" : "_WARN_FilenameExtension";
+					setErrorMessage(NestedconstraintmodelEditorPlugin.INSTANCE.getString(key, new Object [] { FORMATTED_FILE_EXTENSIONS }));
+					return false;
+				}
+				return true;
+			}
+			return false;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public IFile getModelFile() {
+			return ResourcesPlugin.getWorkspace().getRoot().getFile(getContainerFullPath().append(getFileName()));
+		}
+	}
+
+	/**
+	 * This is the page where the type of object to create is selected.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public class LaxconditionModelWizardInitialObjectCreationPage extends WizardPage {
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected Combo initialObjectField;
+
+		/**
+		 * @generated
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 */
+		protected List<String> encodings;
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected Combo encodingField;
+
+		/**
+		 * Pass in the selection.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public LaxconditionModelWizardInitialObjectCreationPage(String pageId) {
+			super(pageId);
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public void createControl(Composite parent) {
+			Composite composite = new Composite(parent, SWT.NONE);
+			{
+				GridLayout layout = new GridLayout();
+				layout.numColumns = 1;
+				layout.verticalSpacing = 12;
+				composite.setLayout(layout);
+
+				GridData data = new GridData();
+				data.verticalAlignment = GridData.FILL;
+				data.grabExcessVerticalSpace = true;
+				data.horizontalAlignment = GridData.FILL;
+				composite.setLayoutData(data);
+			}
+
+			Label containerLabel = new Label(composite, SWT.LEFT);
+			{
+				containerLabel.setText(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_ModelObject"));
+
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				containerLabel.setLayoutData(data);
+			}
+
+			initialObjectField = new Combo(composite, SWT.BORDER);
+			{
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				data.grabExcessHorizontalSpace = true;
+				initialObjectField.setLayoutData(data);
+			}
+
+			for (String objectName : getInitialObjectNames()) {
+				initialObjectField.add(getLabel(objectName));
+			}
+
+			if (initialObjectField.getItemCount() == 1) {
+				initialObjectField.select(0);
+			}
+			initialObjectField.addModifyListener(validator);
+
+			Label encodingLabel = new Label(composite, SWT.LEFT);
+			{
+				encodingLabel.setText(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_XMLEncoding"));
+
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				encodingLabel.setLayoutData(data);
+			}
+			encodingField = new Combo(composite, SWT.BORDER);
+			{
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				data.grabExcessHorizontalSpace = true;
+				encodingField.setLayoutData(data);
+			}
+
+			for (String encoding : getEncodings()) {
+				encodingField.add(encoding);
+			}
+
+			encodingField.select(0);
+			encodingField.addModifyListener(validator);
+
+			setPageComplete(validatePage());
+			setControl(composite);
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected ModifyListener validator =
+			new ModifyListener() {
+				public void modifyText(ModifyEvent e) {
+					setPageComplete(validatePage());
+				}
+			};
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected boolean validatePage() {
+			return getInitialObjectName() != null && getEncodings().contains(encodingField.getText());
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public void setVisible(boolean visible) {
+			super.setVisible(visible);
+			if (visible) {
+				if (initialObjectField.getItemCount() == 1) {
+					initialObjectField.clearSelection();
+					encodingField.setFocus();
+				}
+				else {
+					encodingField.clearSelection();
+					initialObjectField.setFocus();
+				}
+			}
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public String getInitialObjectName() {
+			String label = initialObjectField.getText();
+
+			for (String name : getInitialObjectNames()) {
+				if (getLabel(name).equals(label)) {
+					return name;
+				}
+			}
+			return null;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public String getEncoding() {
+			return encodingField.getText();
+		}
+
+		/**
+		 * Returns the label for the specified type name.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected String getLabel(String typeName) {
+			try {
+				return NestedconstraintmodelEditPlugin.INSTANCE.getString("_UI_" + typeName + "_type");
+			}
+			catch(MissingResourceException mre) {
+				NestedconstraintmodelEditorPlugin.INSTANCE.log(mre);
+			}
+			return typeName;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected Collection<String> getEncodings() {
+			if (encodings == null) {
+				encodings = new ArrayList<String>();
+				for (StringTokenizer stringTokenizer = new StringTokenizer(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_XMLEncodingChoices")); stringTokenizer.hasMoreTokens(); ) {
+					encodings.add(stringTokenizer.nextToken());
+				}
+			}
+			return encodings;
+		}
+	}
+
+	/**
+	 * The framework calls this to create the contents of the wizard.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+		@Override
+	public void addPages() {
+		// Create a page, set the title, and the initial model file name.
+		//
+		newFileCreationPage = new LaxconditionModelWizardNewFileCreationPage("Whatever", selection);
+		newFileCreationPage.setTitle(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_LaxconditionModelWizard_label"));
+		newFileCreationPage.setDescription(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_LaxconditionModelWizard_description"));
+		newFileCreationPage.setFileName(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_LaxconditionEditorFilenameDefaultBase") + "." + FILE_EXTENSIONS.get(0));
+		addPage(newFileCreationPage);
+
+		// Try and get the resource selection to determine a current directory for the file dialog.
+		//
+		if (selection != null && !selection.isEmpty()) {
+			// Get the resource...
+			//
+			Object selectedElement = selection.iterator().next();
+			if (selectedElement instanceof IResource) {
+				// Get the resource parent, if its a file.
+				//
+				IResource selectedResource = (IResource)selectedElement;
+				if (selectedResource.getType() == IResource.FILE) {
+					selectedResource = selectedResource.getParent();
+				}
+
+				// This gives us a directory...
+				//
+				if (selectedResource instanceof IFolder || selectedResource instanceof IProject) {
+					// Set this for the container.
+					//
+					newFileCreationPage.setContainerFullPath(selectedResource.getFullPath());
+
+					// Make up a unique new name here.
+					//
+					String defaultModelBaseFilename = NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_LaxconditionEditorFilenameDefaultBase");
+					String defaultModelFilenameExtension = FILE_EXTENSIONS.get(0);
+					String modelFilename = defaultModelBaseFilename + "." + defaultModelFilenameExtension;
+					for (int i = 1; ((IContainer)selectedResource).findMember(modelFilename) != null; ++i) {
+						modelFilename = defaultModelBaseFilename + i + "." + defaultModelFilenameExtension;
+					}
+					newFileCreationPage.setFileName(modelFilename);
+				}
+			}
+		}
+		initialObjectCreationPage = new LaxconditionModelWizardInitialObjectCreationPage("Whatever2");
+		initialObjectCreationPage.setTitle(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_LaxconditionModelWizard_label"));
+		initialObjectCreationPage.setDescription(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_Wizard_initial_object_description"));
+		addPage(initialObjectCreationPage);
+	}
+
+	/**
+	 * Get the file from the page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IFile getModelFile() {
+		return newFileCreationPage.getModelFile();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedcondition/presentation/NestedconditionActionBarContributor.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedcondition/presentation/NestedconditionActionBarContributor.java
new file mode 100644
index 0000000..e6079b8
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedcondition/presentation/NestedconditionActionBarContributor.java
@@ -0,0 +1,425 @@
+/**
+ */
+package nestedcondition.presentation;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import nestedconstraintmodel.presentation.NestedconstraintmodelEditorPlugin;
+
+import org.eclipse.emf.common.ui.viewer.IViewerProvider;
+
+import org.eclipse.emf.edit.domain.EditingDomain;
+import org.eclipse.emf.edit.domain.IEditingDomainProvider;
+
+import org.eclipse.emf.edit.ui.action.ControlAction;
+import org.eclipse.emf.edit.ui.action.CreateChildAction;
+import org.eclipse.emf.edit.ui.action.CreateSiblingAction;
+import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;
+import org.eclipse.emf.edit.ui.action.LoadResourceAction;
+import org.eclipse.emf.edit.ui.action.ValidateAction;
+
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.ActionContributionItem;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.action.IContributionItem;
+import org.eclipse.jface.action.IContributionManager;
+import org.eclipse.jface.action.IMenuListener;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.IToolBarManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+import org.eclipse.jface.action.SubContributionItem;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.Viewer;
+
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.PartInitException;
+
+/**
+ * This is the action bar contributor for the Nestedcondition model editor.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedconditionActionBarContributor
+	extends EditingDomainActionBarContributor
+	implements ISelectionChangedListener {
+	/**
+	 * This keeps track of the active editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IEditorPart activeEditorPart;
+
+	/**
+	 * This keeps track of the current selection provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ISelectionProvider selectionProvider;
+
+	/**
+	 * This action opens the Properties view.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IAction showPropertiesViewAction =
+		new Action(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_ShowPropertiesView_menu_item")) {
+			@Override
+			public void run() {
+				try {
+					getPage().showView("org.eclipse.ui.views.PropertySheet");
+				}
+				catch (PartInitException exception) {
+					NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+				}
+			}
+		};
+
+	/**
+	 * This action refreshes the viewer of the current editor if the editor
+	 * implements {@link org.eclipse.emf.common.ui.viewer.IViewerProvider}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IAction refreshViewerAction =
+		new Action(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_RefreshViewer_menu_item")) {
+			@Override
+			public boolean isEnabled() {
+				return activeEditorPart instanceof IViewerProvider;
+			}
+
+			@Override
+			public void run() {
+				if (activeEditorPart instanceof IViewerProvider) {
+					Viewer viewer = ((IViewerProvider)activeEditorPart).getViewer();
+					if (viewer != null) {
+						viewer.refresh();
+					}
+				}
+			}
+		};
+
+	/**
+	 * This will contain one {@link org.eclipse.emf.edit.ui.action.CreateChildAction} corresponding to each descriptor
+	 * generated for the current selection by the item provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> createChildActions;
+
+	/**
+	 * This is the menu manager into which menu contribution items should be added for CreateChild actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IMenuManager createChildMenuManager;
+
+	/**
+	 * This will contain one {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} corresponding to each descriptor
+	 * generated for the current selection by the item provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> createSiblingActions;
+
+	/**
+	 * This is the menu manager into which menu contribution items should be added for CreateSibling actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IMenuManager createSiblingMenuManager;
+
+	/**
+	 * This creates an instance of the contributor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconditionActionBarContributor() {
+		super(ADDITIONS_LAST_STYLE);
+		loadResourceAction = new LoadResourceAction();
+		validateAction = new ValidateAction();
+		controlAction = new ControlAction();
+	}
+
+	/**
+	 * This adds Separators for editor additions to the tool bar.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void contributeToToolBar(IToolBarManager toolBarManager) {
+		toolBarManager.add(new Separator("nestedcondition-settings"));
+		toolBarManager.add(new Separator("nestedcondition-additions"));
+	}
+
+	/**
+	 * This adds to the menu bar a menu and some separators for editor additions,
+	 * as well as the sub-menus for object creation items.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void contributeToMenu(IMenuManager menuManager) {
+		super.contributeToMenu(menuManager);
+
+		IMenuManager submenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconditionEditor_menu"), "nestedconditionMenuID");
+		menuManager.insertAfter("additions", submenuManager);
+		submenuManager.add(new Separator("settings"));
+		submenuManager.add(new Separator("actions"));
+		submenuManager.add(new Separator("additions"));
+		submenuManager.add(new Separator("additions-end"));
+
+		// Prepare for CreateChild item addition or removal.
+		//
+		createChildMenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateChild_menu_item"));
+		submenuManager.insertBefore("additions", createChildMenuManager);
+
+		// Prepare for CreateSibling item addition or removal.
+		//
+		createSiblingMenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateSibling_menu_item"));
+		submenuManager.insertBefore("additions", createSiblingMenuManager);
+
+		// Force an update because Eclipse hides empty menus now.
+		//
+		submenuManager.addMenuListener
+			(new IMenuListener() {
+				 public void menuAboutToShow(IMenuManager menuManager) {
+					 menuManager.updateAll(true);
+				 }
+			 });
+
+		addGlobalActions(submenuManager);
+	}
+
+	/**
+	 * When the active editor changes, this remembers the change and registers with it as a selection provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void setActiveEditor(IEditorPart part) {
+		super.setActiveEditor(part);
+		activeEditorPart = part;
+
+		// Switch to the new selection provider.
+		//
+		if (selectionProvider != null) {
+			selectionProvider.removeSelectionChangedListener(this);
+		}
+		if (part == null) {
+			selectionProvider = null;
+		}
+		else {
+			selectionProvider = part.getSite().getSelectionProvider();
+			selectionProvider.addSelectionChangedListener(this);
+
+			// Fake a selection changed event to update the menus.
+			//
+			if (selectionProvider.getSelection() != null) {
+				selectionChanged(new SelectionChangedEvent(selectionProvider, selectionProvider.getSelection()));
+			}
+		}
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionChangedListener},
+	 * handling {@link org.eclipse.jface.viewers.SelectionChangedEvent}s by querying for the children and siblings
+	 * that can be added to the selected object and updating the menus accordingly.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void selectionChanged(SelectionChangedEvent event) {
+		// Remove any menu items for old selection.
+		//
+		if (createChildMenuManager != null) {
+			depopulateManager(createChildMenuManager, createChildActions);
+		}
+		if (createSiblingMenuManager != null) {
+			depopulateManager(createSiblingMenuManager, createSiblingActions);
+		}
+
+		// Query the new selection for appropriate new child/sibling descriptors
+		//
+		Collection<?> newChildDescriptors = null;
+		Collection<?> newSiblingDescriptors = null;
+
+		ISelection selection = event.getSelection();
+		if (selection instanceof IStructuredSelection && ((IStructuredSelection)selection).size() == 1) {
+			Object object = ((IStructuredSelection)selection).getFirstElement();
+
+			EditingDomain domain = ((IEditingDomainProvider)activeEditorPart).getEditingDomain();
+
+			newChildDescriptors = domain.getNewChildDescriptors(object, null);
+			newSiblingDescriptors = domain.getNewChildDescriptors(null, object);
+		}
+
+		// Generate actions for selection; populate and redraw the menus.
+		//
+		createChildActions = generateCreateChildActions(newChildDescriptors, selection);
+		createSiblingActions = generateCreateSiblingActions(newSiblingDescriptors, selection);
+
+		if (createChildMenuManager != null) {
+			populateManager(createChildMenuManager, createChildActions, null);
+			createChildMenuManager.update(true);
+		}
+		if (createSiblingMenuManager != null) {
+			populateManager(createSiblingMenuManager, createSiblingActions, null);
+			createSiblingMenuManager.update(true);
+		}
+	}
+
+	/**
+	 * This generates a {@link org.eclipse.emf.edit.ui.action.CreateChildAction} for each object in <code>descriptors</code>,
+	 * and returns the collection of these actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> generateCreateChildActions(Collection<?> descriptors, ISelection selection) {
+		Collection<IAction> actions = new ArrayList<IAction>();
+		if (descriptors != null) {
+			for (Object descriptor : descriptors) {
+				actions.add(new CreateChildAction(activeEditorPart, selection, descriptor));
+			}
+		}
+		return actions;
+	}
+
+	/**
+	 * This generates a {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} for each object in <code>descriptors</code>,
+	 * and returns the collection of these actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> generateCreateSiblingActions(Collection<?> descriptors, ISelection selection) {
+		Collection<IAction> actions = new ArrayList<IAction>();
+		if (descriptors != null) {
+			for (Object descriptor : descriptors) {
+				actions.add(new CreateSiblingAction(activeEditorPart, selection, descriptor));
+			}
+		}
+		return actions;
+	}
+
+	/**
+	 * This populates the specified <code>manager</code> with {@link org.eclipse.jface.action.ActionContributionItem}s
+	 * based on the {@link org.eclipse.jface.action.IAction}s contained in the <code>actions</code> collection,
+	 * by inserting them before the specified contribution item <code>contributionID</code>.
+	 * If <code>contributionID</code> is <code>null</code>, they are simply added.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void populateManager(IContributionManager manager, Collection<? extends IAction> actions, String contributionID) {
+		if (actions != null) {
+			for (IAction action : actions) {
+				if (contributionID != null) {
+					manager.insertBefore(contributionID, action);
+				}
+				else {
+					manager.add(action);
+				}
+			}
+		}
+	}
+		
+	/**
+	 * This removes from the specified <code>manager</code> all {@link org.eclipse.jface.action.ActionContributionItem}s
+	 * based on the {@link org.eclipse.jface.action.IAction}s contained in the <code>actions</code> collection.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void depopulateManager(IContributionManager manager, Collection<? extends IAction> actions) {
+		if (actions != null) {
+			IContributionItem[] items = manager.getItems();
+			for (int i = 0; i < items.length; i++) {
+				// Look into SubContributionItems
+				//
+				IContributionItem contributionItem = items[i];
+				while (contributionItem instanceof SubContributionItem) {
+					contributionItem = ((SubContributionItem)contributionItem).getInnerItem();
+				}
+
+				// Delete the ActionContributionItems with matching action.
+				//
+				if (contributionItem instanceof ActionContributionItem) {
+					IAction action = ((ActionContributionItem)contributionItem).getAction();
+					if (actions.contains(action)) {
+						manager.remove(contributionItem);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * This populates the pop-up menu before it appears.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void menuAboutToShow(IMenuManager menuManager) {
+		super.menuAboutToShow(menuManager);
+		MenuManager submenuManager = null;
+
+		submenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateChild_menu_item"));
+		populateManager(submenuManager, createChildActions, null);
+		menuManager.insertBefore("edit", submenuManager);
+
+		submenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateSibling_menu_item"));
+		populateManager(submenuManager, createSiblingActions, null);
+		menuManager.insertBefore("edit", submenuManager);
+	}
+
+	/**
+	 * This inserts global actions before the "additions-end" separator.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void addGlobalActions(IMenuManager menuManager) {
+		menuManager.insertAfter("additions-end", new Separator("ui-actions"));
+		menuManager.insertAfter("ui-actions", showPropertiesViewAction);
+
+		refreshViewerAction.setEnabled(refreshViewerAction.isEnabled());		
+		menuManager.insertAfter("ui-actions", refreshViewerAction);
+
+		super.addGlobalActions(menuManager);
+	}
+
+	/**
+	 * This ensures that a delete action will clean up all references to deleted objects.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected boolean removeAllReferencesOnDelete() {
+		return true;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedcondition/presentation/NestedconditionEditor.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedcondition/presentation/NestedconditionEditor.java
new file mode 100644
index 0000000..b677abb
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedcondition/presentation/NestedconditionEditor.java
@@ -0,0 +1,1830 @@
+/**
+ */
+package nestedcondition.presentation;
+
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.EventObject;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceChangeEvent;
+import org.eclipse.core.resources.IResourceChangeListener;
+import org.eclipse.core.resources.IResourceDelta;
+import org.eclipse.core.resources.IResourceDeltaVisitor;
+import org.eclipse.core.resources.ResourcesPlugin;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.NullProgressMonitor;
+
+import org.eclipse.jface.action.IMenuListener;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.IStatusLineManager;
+import org.eclipse.jface.action.IToolBarManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.dialogs.ProgressMonitorDialog;
+
+import org.eclipse.jface.util.LocalSelectionTransfer;
+
+import org.eclipse.jface.viewers.ColumnWeightData;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.ListViewer;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.jface.viewers.StructuredViewer;
+import org.eclipse.jface.viewers.TableLayout;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.viewers.Viewer;
+
+import org.eclipse.swt.SWT;
+
+import org.eclipse.swt.custom.CTabFolder;
+
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.FileTransfer;
+import org.eclipse.swt.dnd.Transfer;
+
+import org.eclipse.swt.events.ControlAdapter;
+import org.eclipse.swt.events.ControlEvent;
+
+import org.eclipse.swt.graphics.Point;
+
+import org.eclipse.swt.layout.FillLayout;
+
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Menu;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+import org.eclipse.swt.widgets.Tree;
+import org.eclipse.swt.widgets.TreeColumn;
+
+import org.eclipse.ui.IActionBars;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IEditorSite;
+import org.eclipse.ui.IPartListener;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.PartInitException;
+
+import org.eclipse.ui.dialogs.SaveAsDialog;
+
+import org.eclipse.ui.ide.IGotoMarker;
+
+import org.eclipse.ui.part.FileEditorInput;
+import org.eclipse.ui.part.MultiPageEditorPart;
+
+import org.eclipse.ui.views.contentoutline.ContentOutline;
+import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
+import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
+
+import org.eclipse.ui.views.properties.IPropertySheetPage;
+import org.eclipse.ui.views.properties.PropertySheet;
+import org.eclipse.ui.views.properties.PropertySheetPage;
+
+import org.eclipse.emf.common.command.BasicCommandStack;
+import org.eclipse.emf.common.command.Command;
+import org.eclipse.emf.common.command.CommandStack;
+import org.eclipse.emf.common.command.CommandStackListener;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.ui.MarkerHelper;
+import org.eclipse.emf.common.ui.ViewerPane;
+
+import org.eclipse.emf.common.ui.editor.ProblemEditorPart;
+
+import org.eclipse.emf.common.ui.viewer.IViewerProvider;
+
+import org.eclipse.emf.common.util.BasicDiagnostic;
+import org.eclipse.emf.common.util.Diagnostic;
+import org.eclipse.emf.common.util.URI;
+
+
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+
+import org.eclipse.emf.ecore.util.EContentAdapter;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+
+import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
+import org.eclipse.emf.edit.domain.EditingDomain;
+import org.eclipse.emf.edit.domain.IEditingDomainProvider;
+
+import org.eclipse.emf.edit.provider.AdapterFactoryItemDelegator;
+import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
+import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory;
+
+import org.eclipse.emf.edit.provider.resource.ResourceItemProviderAdapterFactory;
+
+import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;
+
+import org.eclipse.emf.edit.ui.celleditor.AdapterFactoryTreeEditor;
+
+import org.eclipse.emf.edit.ui.dnd.EditingDomainViewerDropAdapter;
+import org.eclipse.emf.edit.ui.dnd.LocalTransfer;
+import org.eclipse.emf.edit.ui.dnd.ViewerDragAdapter;
+
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
+import org.eclipse.emf.edit.ui.provider.UnwrappingSelectionProvider;
+
+import org.eclipse.emf.edit.ui.util.EditUIMarkerHelper;
+import org.eclipse.emf.edit.ui.util.EditUIUtil;
+
+import org.eclipse.emf.edit.ui.view.ExtendedPropertySheetPage;
+
+import nestedcondition.provider.NestedconditionItemProviderAdapterFactory;
+
+import graph.provider.GraphItemProviderAdapterFactory;
+
+import laxcondition.provider.LaxconditionItemProviderAdapterFactory;
+
+import nestedconstraintmodel.presentation.NestedconstraintmodelEditorPlugin;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelItemProviderAdapterFactory;
+
+import org.eclipse.ui.actions.WorkspaceModifyOperation;
+
+
+/**
+ * This is an example of a Nestedcondition model editor.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedconditionEditor
+	extends MultiPageEditorPart
+	implements IEditingDomainProvider, ISelectionProvider, IMenuListener, IViewerProvider, IGotoMarker {
+	/**
+	 * This keeps track of the editing domain that is used to track all changes to the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected AdapterFactoryEditingDomain editingDomain;
+
+	/**
+	 * This is the one adapter factory used for providing views of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ComposedAdapterFactory adapterFactory;
+
+	/**
+	 * This is the content outline page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IContentOutlinePage contentOutlinePage;
+
+	/**
+	 * This is a kludge...
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IStatusLineManager contentOutlineStatusLineManager;
+
+	/**
+	 * This is the content outline page's viewer.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer contentOutlineViewer;
+
+	/**
+	 * This is the property sheet page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected List<PropertySheetPage> propertySheetPages = new ArrayList<PropertySheetPage>();
+
+	/**
+	 * This is the viewer that shadows the selection in the content outline.
+	 * The parent relation must be correctly defined for this to work.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer selectionViewer;
+
+	/**
+	 * This inverts the roll of parent and child in the content provider and show parents as a tree.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer parentViewer;
+
+	/**
+	 * This shows how a tree view works.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer treeViewer;
+
+	/**
+	 * This shows how a list view works.
+	 * A list viewer doesn't support icons.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ListViewer listViewer;
+
+	/**
+	 * This shows how a table view works.
+	 * A table can be used as a list with icons.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TableViewer tableViewer;
+
+	/**
+	 * This shows how a tree view with columns works.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer treeViewerWithColumns;
+
+	/**
+	 * This keeps track of the active viewer pane, in the book.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ViewerPane currentViewerPane;
+
+	/**
+	 * This keeps track of the active content viewer, which may be either one of the viewers in the pages or the content outline viewer.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Viewer currentViewer;
+
+	/**
+	 * This listens to which ever viewer is active.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ISelectionChangedListener selectionChangedListener;
+
+	/**
+	 * This keeps track of all the {@link org.eclipse.jface.viewers.ISelectionChangedListener}s that are listening to this editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<ISelectionChangedListener> selectionChangedListeners = new ArrayList<ISelectionChangedListener>();
+
+	/**
+	 * This keeps track of the selection of the editor as a whole.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ISelection editorSelection = StructuredSelection.EMPTY;
+
+	/**
+	 * The MarkerHelper is responsible for creating workspace resource markers presented
+	 * in Eclipse's Problems View.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected MarkerHelper markerHelper = new EditUIMarkerHelper();
+
+	/**
+	 * This listens for when the outline becomes active
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IPartListener partListener =
+		new IPartListener() {
+			public void partActivated(IWorkbenchPart p) {
+				if (p instanceof ContentOutline) {
+					if (((ContentOutline)p).getCurrentPage() == contentOutlinePage) {
+						getActionBarContributor().setActiveEditor(NestedconditionEditor.this);
+
+						setCurrentViewer(contentOutlineViewer);
+					}
+				}
+				else if (p instanceof PropertySheet) {
+					if (propertySheetPages.contains(((PropertySheet)p).getCurrentPage())) {
+						getActionBarContributor().setActiveEditor(NestedconditionEditor.this);
+						handleActivate();
+					}
+				}
+				else if (p == NestedconditionEditor.this) {
+					handleActivate();
+				}
+			}
+			public void partBroughtToTop(IWorkbenchPart p) {
+				// Ignore.
+			}
+			public void partClosed(IWorkbenchPart p) {
+				// Ignore.
+			}
+			public void partDeactivated(IWorkbenchPart p) {
+				// Ignore.
+			}
+			public void partOpened(IWorkbenchPart p) {
+				// Ignore.
+			}
+		};
+
+	/**
+	 * Resources that have been removed since last activation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Resource> removedResources = new ArrayList<Resource>();
+
+	/**
+	 * Resources that have been changed since last activation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Resource> changedResources = new ArrayList<Resource>();
+
+	/**
+	 * Resources that have been saved.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Resource> savedResources = new ArrayList<Resource>();
+
+	/**
+	 * Map to store the diagnostic associated with a resource.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Map<Resource, Diagnostic> resourceToDiagnosticMap = new LinkedHashMap<Resource, Diagnostic>();
+
+	/**
+	 * Controls whether the problem indication should be updated.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected boolean updateProblemIndication = true;
+
+	/**
+	 * Adapter used to update the problem indication when resources are demanded loaded.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected EContentAdapter problemIndicationAdapter =
+		new EContentAdapter() {
+			@Override
+			public void notifyChanged(Notification notification) {
+				if (notification.getNotifier() instanceof Resource) {
+					switch (notification.getFeatureID(Resource.class)) {
+						case Resource.RESOURCE__IS_LOADED:
+						case Resource.RESOURCE__ERRORS:
+						case Resource.RESOURCE__WARNINGS: {
+							Resource resource = (Resource)notification.getNotifier();
+							Diagnostic diagnostic = analyzeResourceProblems(resource, null);
+							if (diagnostic.getSeverity() != Diagnostic.OK) {
+								resourceToDiagnosticMap.put(resource, diagnostic);
+							}
+							else {
+								resourceToDiagnosticMap.remove(resource);
+							}
+
+							if (updateProblemIndication) {
+								getSite().getShell().getDisplay().asyncExec
+									(new Runnable() {
+										 public void run() {
+											 updateProblemIndication();
+										 }
+									 });
+							}
+							break;
+						}
+					}
+				}
+				else {
+					super.notifyChanged(notification);
+				}
+			}
+
+			@Override
+			protected void setTarget(Resource target) {
+				basicSetTarget(target);
+			}
+
+			@Override
+			protected void unsetTarget(Resource target) {
+				basicUnsetTarget(target);
+				resourceToDiagnosticMap.remove(target);
+				if (updateProblemIndication) {
+					getSite().getShell().getDisplay().asyncExec
+						(new Runnable() {
+							 public void run() {
+								 updateProblemIndication();
+							 }
+						 });
+				}
+			}
+		};
+
+	/**
+	 * This listens for workspace changes.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IResourceChangeListener resourceChangeListener =
+		new IResourceChangeListener() {
+			public void resourceChanged(IResourceChangeEvent event) {
+				IResourceDelta delta = event.getDelta();
+				try {
+					class ResourceDeltaVisitor implements IResourceDeltaVisitor {
+						protected ResourceSet resourceSet = editingDomain.getResourceSet();
+						protected Collection<Resource> changedResources = new ArrayList<Resource>();
+						protected Collection<Resource> removedResources = new ArrayList<Resource>();
+
+						public boolean visit(IResourceDelta delta) {
+							if (delta.getResource().getType() == IResource.FILE) {
+								if (delta.getKind() == IResourceDelta.REMOVED ||
+								    delta.getKind() == IResourceDelta.CHANGED && delta.getFlags() != IResourceDelta.MARKERS) {
+									Resource resource = resourceSet.getResource(URI.createPlatformResourceURI(delta.getFullPath().toString(), true), false);
+									if (resource != null) {
+										if (delta.getKind() == IResourceDelta.REMOVED) {
+											removedResources.add(resource);
+										}
+										else if (!savedResources.remove(resource)) {
+											changedResources.add(resource);
+										}
+									}
+								}
+								return false;
+							}
+
+							return true;
+						}
+
+						public Collection<Resource> getChangedResources() {
+							return changedResources;
+						}
+
+						public Collection<Resource> getRemovedResources() {
+							return removedResources;
+						}
+					}
+
+					final ResourceDeltaVisitor visitor = new ResourceDeltaVisitor();
+					delta.accept(visitor);
+
+					if (!visitor.getRemovedResources().isEmpty()) {
+						getSite().getShell().getDisplay().asyncExec
+							(new Runnable() {
+								 public void run() {
+									 removedResources.addAll(visitor.getRemovedResources());
+									 if (!isDirty()) {
+										 getSite().getPage().closeEditor(NestedconditionEditor.this, false);
+									 }
+								 }
+							 });
+					}
+
+					if (!visitor.getChangedResources().isEmpty()) {
+						getSite().getShell().getDisplay().asyncExec
+							(new Runnable() {
+								 public void run() {
+									 changedResources.addAll(visitor.getChangedResources());
+									 if (getSite().getPage().getActiveEditor() == NestedconditionEditor.this) {
+										 handleActivate();
+									 }
+								 }
+							 });
+					}
+				}
+				catch (CoreException exception) {
+					NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+				}
+			}
+		};
+
+	/**
+	 * Handles activation of the editor or it's associated views.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void handleActivate() {
+		// Recompute the read only state.
+		//
+		if (editingDomain.getResourceToReadOnlyMap() != null) {
+		  editingDomain.getResourceToReadOnlyMap().clear();
+
+		  // Refresh any actions that may become enabled or disabled.
+		  //
+		  setSelection(getSelection());
+		}
+
+		if (!removedResources.isEmpty()) {
+			if (handleDirtyConflict()) {
+				getSite().getPage().closeEditor(NestedconditionEditor.this, false);
+			}
+			else {
+				removedResources.clear();
+				changedResources.clear();
+				savedResources.clear();
+			}
+		}
+		else if (!changedResources.isEmpty()) {
+			changedResources.removeAll(savedResources);
+			handleChangedResources();
+			changedResources.clear();
+			savedResources.clear();
+		}
+	}
+
+	/**
+	 * Handles what to do with changed resources on activation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void handleChangedResources() {
+		if (!changedResources.isEmpty() && (!isDirty() || handleDirtyConflict())) {
+			if (isDirty()) {
+				changedResources.addAll(editingDomain.getResourceSet().getResources());
+			}
+			editingDomain.getCommandStack().flush();
+
+			updateProblemIndication = false;
+			for (Resource resource : changedResources) {
+				if (resource.isLoaded()) {
+					resource.unload();
+					try {
+						resource.load(Collections.EMPTY_MAP);
+					}
+					catch (IOException exception) {
+						if (!resourceToDiagnosticMap.containsKey(resource)) {
+							resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
+						}
+					}
+				}
+			}
+
+			if (AdapterFactoryEditingDomain.isStale(editorSelection)) {
+				setSelection(StructuredSelection.EMPTY);
+			}
+
+			updateProblemIndication = true;
+			updateProblemIndication();
+		}
+	}
+
+	/**
+	 * Updates the problems indication with the information described in the specified diagnostic.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void updateProblemIndication() {
+		if (updateProblemIndication) {
+			BasicDiagnostic diagnostic =
+				new BasicDiagnostic
+					(Diagnostic.OK,
+					 "de.unimarburg.swt.ocl2ac.model.editor",
+					 0,
+					 null,
+					 new Object [] { editingDomain.getResourceSet() });
+			for (Diagnostic childDiagnostic : resourceToDiagnosticMap.values()) {
+				if (childDiagnostic.getSeverity() != Diagnostic.OK) {
+					diagnostic.add(childDiagnostic);
+				}
+			}
+
+			int lastEditorPage = getPageCount() - 1;
+			if (lastEditorPage >= 0 && getEditor(lastEditorPage) instanceof ProblemEditorPart) {
+				((ProblemEditorPart)getEditor(lastEditorPage)).setDiagnostic(diagnostic);
+				if (diagnostic.getSeverity() != Diagnostic.OK) {
+					setActivePage(lastEditorPage);
+				}
+			}
+			else if (diagnostic.getSeverity() != Diagnostic.OK) {
+				ProblemEditorPart problemEditorPart = new ProblemEditorPart();
+				problemEditorPart.setDiagnostic(diagnostic);
+				problemEditorPart.setMarkerHelper(markerHelper);
+				try {
+					addPage(++lastEditorPage, problemEditorPart, getEditorInput());
+					setPageText(lastEditorPage, problemEditorPart.getPartName());
+					setActivePage(lastEditorPage);
+					showTabs();
+				}
+				catch (PartInitException exception) {
+					NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+				}
+			}
+
+			if (markerHelper.hasMarkers(editingDomain.getResourceSet())) {
+				markerHelper.deleteMarkers(editingDomain.getResourceSet());
+				if (diagnostic.getSeverity() != Diagnostic.OK) {
+					try {
+						markerHelper.createMarkers(diagnostic);
+					}
+					catch (CoreException exception) {
+						NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * Shows a dialog that asks if conflicting changes should be discarded.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected boolean handleDirtyConflict() {
+		return
+			MessageDialog.openQuestion
+				(getSite().getShell(),
+				 getString("_UI_FileConflict_label"),
+				 getString("_WARN_FileConflict"));
+	}
+
+	/**
+	 * This creates a model editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconditionEditor() {
+		super();
+		initializeEditingDomain();
+	}
+
+	/**
+	 * This sets up the editing domain for the model editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void initializeEditingDomain() {
+		// Create an adapter factory that yields item providers.
+		//
+		adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
+
+		adapterFactory.addAdapterFactory(new ResourceItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new NestedconstraintmodelItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new NestedconditionItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new GraphItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new LaxconditionItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new ReflectiveItemProviderAdapterFactory());
+
+		// Create the command stack that will notify this editor as commands are executed.
+		//
+		BasicCommandStack commandStack = new BasicCommandStack();
+
+		// Add a listener to set the most recent command's affected objects to be the selection of the viewer with focus.
+		//
+		commandStack.addCommandStackListener
+			(new CommandStackListener() {
+				 public void commandStackChanged(final EventObject event) {
+					 getContainer().getDisplay().asyncExec
+						 (new Runnable() {
+							  public void run() {
+								  firePropertyChange(IEditorPart.PROP_DIRTY);
+
+								  // Try to select the affected objects.
+								  //
+								  Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand();
+								  if (mostRecentCommand != null) {
+									  setSelectionToViewer(mostRecentCommand.getAffectedObjects());
+								  }
+								  for (Iterator<PropertySheetPage> i = propertySheetPages.iterator(); i.hasNext(); ) {
+									  PropertySheetPage propertySheetPage = i.next();
+									  if (propertySheetPage.getControl().isDisposed()) {
+										  i.remove();
+									  }
+									  else {
+										  propertySheetPage.refresh();
+									  }
+								  }
+							  }
+						  });
+				 }
+			 });
+
+		// Create the editing domain with a special command stack.
+		//
+		editingDomain = new AdapterFactoryEditingDomain(adapterFactory, commandStack, new HashMap<Resource, Boolean>());
+	}
+
+	/**
+	 * This is here for the listener to be able to call it.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+			@Override
+	protected void firePropertyChange(int action) {
+		super.firePropertyChange(action);
+	}
+
+	/**
+	 * This sets the selection into whichever viewer is active.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setSelectionToViewer(Collection<?> collection) {
+		final Collection<?> theSelection = collection;
+		// Make sure it's okay.
+		//
+		if (theSelection != null && !theSelection.isEmpty()) {
+			Runnable runnable =
+				new Runnable() {
+					public void run() {
+						// Try to select the items in the current content viewer of the editor.
+						//
+						if (currentViewer != null) {
+							currentViewer.setSelection(new StructuredSelection(theSelection.toArray()), true);
+						}
+					}
+				};
+			getSite().getShell().getDisplay().asyncExec(runnable);
+		}
+	}
+
+	/**
+	 * This returns the editing domain as required by the {@link IEditingDomainProvider} interface.
+	 * This is important for implementing the static methods of {@link AdapterFactoryEditingDomain}
+	 * and for supporting {@link org.eclipse.emf.edit.ui.action.CommandAction}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EditingDomain getEditingDomain() {
+		return editingDomain;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public class ReverseAdapterFactoryContentProvider extends AdapterFactoryContentProvider {
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public ReverseAdapterFactoryContentProvider(AdapterFactory adapterFactory) {
+			super(adapterFactory);
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public Object [] getElements(Object object) {
+			Object parent = super.getParent(object);
+			return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray();
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public Object [] getChildren(Object object) {
+			Object parent = super.getParent(object);
+			return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray();
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public boolean hasChildren(Object object) {
+			Object parent = super.getParent(object);
+			return parent != null;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public Object getParent(Object object) {
+			return null;
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setCurrentViewerPane(ViewerPane viewerPane) {
+		if (currentViewerPane != viewerPane) {
+			if (currentViewerPane != null) {
+				currentViewerPane.showFocus(false);
+			}
+			currentViewerPane = viewerPane;
+		}
+		setCurrentViewer(currentViewerPane.getViewer());
+	}
+
+	/**
+	 * This makes sure that one content viewer, either for the current page or the outline view, if it has focus,
+	 * is the current one.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setCurrentViewer(Viewer viewer) {
+		// If it is changing...
+		//
+		if (currentViewer != viewer) {
+			if (selectionChangedListener == null) {
+				// Create the listener on demand.
+				//
+				selectionChangedListener =
+					new ISelectionChangedListener() {
+						// This just notifies those things that are affected by the section.
+						//
+						public void selectionChanged(SelectionChangedEvent selectionChangedEvent) {
+							setSelection(selectionChangedEvent.getSelection());
+						}
+					};
+			}
+
+			// Stop listening to the old one.
+			//
+			if (currentViewer != null) {
+				currentViewer.removeSelectionChangedListener(selectionChangedListener);
+			}
+
+			// Start listening to the new one.
+			//
+			if (viewer != null) {
+				viewer.addSelectionChangedListener(selectionChangedListener);
+			}
+
+			// Remember it.
+			//
+			currentViewer = viewer;
+
+			// Set the editors selection based on the current viewer's selection.
+			//
+			setSelection(currentViewer == null ? StructuredSelection.EMPTY : currentViewer.getSelection());
+		}
+	}
+
+	/**
+	 * This returns the viewer as required by the {@link IViewerProvider} interface.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Viewer getViewer() {
+		return currentViewer;
+	}
+
+	/**
+	 * This creates a context menu for the viewer and adds a listener as well registering the menu for extension.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createContextMenuFor(StructuredViewer viewer) {
+		MenuManager contextMenu = new MenuManager("#PopUp");
+		contextMenu.add(new Separator("additions"));
+		contextMenu.setRemoveAllWhenShown(true);
+		contextMenu.addMenuListener(this);
+		Menu menu= contextMenu.createContextMenu(viewer.getControl());
+		viewer.getControl().setMenu(menu);
+		getSite().registerContextMenu(contextMenu, new UnwrappingSelectionProvider(viewer));
+
+		int dndOperations = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
+		Transfer[] transfers = new Transfer[] { LocalTransfer.getInstance(), LocalSelectionTransfer.getTransfer(), FileTransfer.getInstance() };
+		viewer.addDragSupport(dndOperations, transfers, new ViewerDragAdapter(viewer));
+		viewer.addDropSupport(dndOperations, transfers, new EditingDomainViewerDropAdapter(editingDomain, viewer));
+	}
+
+	/**
+	 * This is the method called to load a resource into the editing domain's resource set based on the editor's input.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void createModel() {
+		URI resourceURI = EditUIUtil.getURI(getEditorInput(), editingDomain.getResourceSet().getURIConverter());
+		Exception exception = null;
+		Resource resource = null;
+		try {
+			// Load the resource through the editing domain.
+			//
+			resource = editingDomain.getResourceSet().getResource(resourceURI, true);
+		}
+		catch (Exception e) {
+			exception = e;
+			resource = editingDomain.getResourceSet().getResource(resourceURI, false);
+		}
+
+		Diagnostic diagnostic = analyzeResourceProblems(resource, exception);
+		if (diagnostic.getSeverity() != Diagnostic.OK) {
+			resourceToDiagnosticMap.put(resource,  analyzeResourceProblems(resource, exception));
+		}
+		editingDomain.getResourceSet().eAdapters().add(problemIndicationAdapter);
+	}
+
+	/**
+	 * Returns a diagnostic describing the errors and warnings listed in the resource
+	 * and the specified exception (if any).
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Diagnostic analyzeResourceProblems(Resource resource, Exception exception) {
+		boolean hasErrors = !resource.getErrors().isEmpty();
+		if (hasErrors || !resource.getWarnings().isEmpty()) {
+			BasicDiagnostic basicDiagnostic =
+				new BasicDiagnostic
+					(hasErrors ? Diagnostic.ERROR : Diagnostic.WARNING,
+					 "de.unimarburg.swt.ocl2ac.model.editor",
+					 0,
+					 getString("_UI_CreateModelError_message", resource.getURI()),
+					 new Object [] { exception == null ? (Object)resource : exception });
+			basicDiagnostic.merge(EcoreUtil.computeDiagnostic(resource, true));
+			return basicDiagnostic;
+		}
+		else if (exception != null) {
+			return
+				new BasicDiagnostic
+					(Diagnostic.ERROR,
+					 "de.unimarburg.swt.ocl2ac.model.editor",
+					 0,
+					 getString("_UI_CreateModelError_message", resource.getURI()),
+					 new Object[] { exception });
+		}
+		else {
+			return Diagnostic.OK_INSTANCE;
+		}
+	}
+
+	/**
+	 * This is the method used by the framework to install your own controls.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void createPages() {
+		// Creates the model from the editor input
+		//
+		createModel();
+
+		// Only creates the other pages if there is something that can be edited
+		//
+		if (!getEditingDomain().getResourceSet().getResources().isEmpty()) {
+			// Create a page for the selection tree view.
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), NestedconditionEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							Tree tree = new Tree(composite, SWT.MULTI);
+							TreeViewer newTreeViewer = new TreeViewer(tree);
+							return newTreeViewer;
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+
+				selectionViewer = (TreeViewer)viewerPane.getViewer();
+				selectionViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+
+				selectionViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+				selectionViewer.setInput(editingDomain.getResourceSet());
+				selectionViewer.setSelection(new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)), true);
+				viewerPane.setTitle(editingDomain.getResourceSet());
+
+				new AdapterFactoryTreeEditor(selectionViewer.getTree(), adapterFactory);
+
+				createContextMenuFor(selectionViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_SelectionPage_label"));
+			}
+
+			// Create a page for the parent tree view.
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), NestedconditionEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							Tree tree = new Tree(composite, SWT.MULTI);
+							TreeViewer newTreeViewer = new TreeViewer(tree);
+							return newTreeViewer;
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+
+				parentViewer = (TreeViewer)viewerPane.getViewer();
+				parentViewer.setAutoExpandLevel(30);
+				parentViewer.setContentProvider(new ReverseAdapterFactoryContentProvider(adapterFactory));
+				parentViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(parentViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_ParentPage_label"));
+			}
+
+			// This is the page for the list viewer
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), NestedconditionEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							return new ListViewer(composite);
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+				listViewer = (ListViewer)viewerPane.getViewer();
+				listViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				listViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(listViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_ListPage_label"));
+			}
+
+			// This is the page for the tree viewer
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), NestedconditionEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							return new TreeViewer(composite);
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+				treeViewer = (TreeViewer)viewerPane.getViewer();
+				treeViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				treeViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				new AdapterFactoryTreeEditor(treeViewer.getTree(), adapterFactory);
+
+				createContextMenuFor(treeViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_TreePage_label"));
+			}
+
+			// This is the page for the table viewer.
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), NestedconditionEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							return new TableViewer(composite);
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+				tableViewer = (TableViewer)viewerPane.getViewer();
+
+				Table table = tableViewer.getTable();
+				TableLayout layout = new TableLayout();
+				table.setLayout(layout);
+				table.setHeaderVisible(true);
+				table.setLinesVisible(true);
+
+				TableColumn objectColumn = new TableColumn(table, SWT.NONE);
+				layout.addColumnData(new ColumnWeightData(3, 100, true));
+				objectColumn.setText(getString("_UI_ObjectColumn_label"));
+				objectColumn.setResizable(true);
+
+				TableColumn selfColumn = new TableColumn(table, SWT.NONE);
+				layout.addColumnData(new ColumnWeightData(2, 100, true));
+				selfColumn.setText(getString("_UI_SelfColumn_label"));
+				selfColumn.setResizable(true);
+
+				tableViewer.setColumnProperties(new String [] {"a", "b"});
+				tableViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				tableViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(tableViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_TablePage_label"));
+			}
+
+			// This is the page for the table tree viewer.
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), NestedconditionEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							return new TreeViewer(composite);
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+
+				treeViewerWithColumns = (TreeViewer)viewerPane.getViewer();
+
+				Tree tree = treeViewerWithColumns.getTree();
+				tree.setLayoutData(new FillLayout());
+				tree.setHeaderVisible(true);
+				tree.setLinesVisible(true);
+
+				TreeColumn objectColumn = new TreeColumn(tree, SWT.NONE);
+				objectColumn.setText(getString("_UI_ObjectColumn_label"));
+				objectColumn.setResizable(true);
+				objectColumn.setWidth(250);
+
+				TreeColumn selfColumn = new TreeColumn(tree, SWT.NONE);
+				selfColumn.setText(getString("_UI_SelfColumn_label"));
+				selfColumn.setResizable(true);
+				selfColumn.setWidth(200);
+
+				treeViewerWithColumns.setColumnProperties(new String [] {"a", "b"});
+				treeViewerWithColumns.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				treeViewerWithColumns.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(treeViewerWithColumns);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_TreeWithColumnsPage_label"));
+			}
+
+			getSite().getShell().getDisplay().asyncExec
+				(new Runnable() {
+					 public void run() {
+						 setActivePage(0);
+					 }
+				 });
+		}
+
+		// Ensures that this editor will only display the page's tab
+		// area if there are more than one page
+		//
+		getContainer().addControlListener
+			(new ControlAdapter() {
+				boolean guard = false;
+				@Override
+				public void controlResized(ControlEvent event) {
+					if (!guard) {
+						guard = true;
+						hideTabs();
+						guard = false;
+					}
+				}
+			 });
+
+		getSite().getShell().getDisplay().asyncExec
+			(new Runnable() {
+				 public void run() {
+					 updateProblemIndication();
+				 }
+			 });
+	}
+
+	/**
+	 * If there is just one page in the multi-page editor part,
+	 * this hides the single tab at the bottom.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void hideTabs() {
+		if (getPageCount() <= 1) {
+			setPageText(0, "");
+			if (getContainer() instanceof CTabFolder) {
+				((CTabFolder)getContainer()).setTabHeight(1);
+				Point point = getContainer().getSize();
+				getContainer().setSize(point.x, point.y + 6);
+			}
+		}
+	}
+
+	/**
+	 * If there is more than one page in the multi-page editor part,
+	 * this shows the tabs at the bottom.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void showTabs() {
+		if (getPageCount() > 1) {
+			setPageText(0, getString("_UI_SelectionPage_label"));
+			if (getContainer() instanceof CTabFolder) {
+				((CTabFolder)getContainer()).setTabHeight(SWT.DEFAULT);
+				Point point = getContainer().getSize();
+				getContainer().setSize(point.x, point.y - 6);
+			}
+		}
+	}
+
+	/**
+	 * This is used to track the active viewer.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void pageChange(int pageIndex) {
+		super.pageChange(pageIndex);
+
+		if (contentOutlinePage != null) {
+			handleContentOutlineSelection(contentOutlinePage.getSelection());
+		}
+	}
+
+	/**
+	 * This is how the framework determines which interfaces we implement.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("rawtypes")
+	@Override
+	public Object getAdapter(Class key) {
+		if (key.equals(IContentOutlinePage.class)) {
+			return showOutlineView() ? getContentOutlinePage() : null;
+		}
+		else if (key.equals(IPropertySheetPage.class)) {
+			return getPropertySheetPage();
+		}
+		else if (key.equals(IGotoMarker.class)) {
+			return this;
+		}
+		else {
+			return super.getAdapter(key);
+		}
+	}
+
+	/**
+	 * This accesses a cached version of the content outliner.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IContentOutlinePage getContentOutlinePage() {
+		if (contentOutlinePage == null) {
+			// The content outline is just a tree.
+			//
+			class MyContentOutlinePage extends ContentOutlinePage {
+				@Override
+				public void createControl(Composite parent) {
+					super.createControl(parent);
+					contentOutlineViewer = getTreeViewer();
+					contentOutlineViewer.addSelectionChangedListener(this);
+
+					// Set up the tree viewer.
+					//
+					contentOutlineViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+					contentOutlineViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+					contentOutlineViewer.setInput(editingDomain.getResourceSet());
+
+					// Make sure our popups work.
+					//
+					createContextMenuFor(contentOutlineViewer);
+
+					if (!editingDomain.getResourceSet().getResources().isEmpty()) {
+					  // Select the root object in the view.
+					  //
+					  contentOutlineViewer.setSelection(new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)), true);
+					}
+				}
+
+				@Override
+				public void makeContributions(IMenuManager menuManager, IToolBarManager toolBarManager, IStatusLineManager statusLineManager) {
+					super.makeContributions(menuManager, toolBarManager, statusLineManager);
+					contentOutlineStatusLineManager = statusLineManager;
+				}
+
+				@Override
+				public void setActionBars(IActionBars actionBars) {
+					super.setActionBars(actionBars);
+					getActionBarContributor().shareGlobalActions(this, actionBars);
+				}
+			}
+
+			contentOutlinePage = new MyContentOutlinePage();
+
+			// Listen to selection so that we can handle it is a special way.
+			//
+			contentOutlinePage.addSelectionChangedListener
+				(new ISelectionChangedListener() {
+					 // This ensures that we handle selections correctly.
+					 //
+					 public void selectionChanged(SelectionChangedEvent event) {
+						 handleContentOutlineSelection(event.getSelection());
+					 }
+				 });
+		}
+
+		return contentOutlinePage;
+	}
+
+	/**
+	 * This accesses a cached version of the property sheet.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IPropertySheetPage getPropertySheetPage() {
+		PropertySheetPage propertySheetPage =
+			new ExtendedPropertySheetPage(editingDomain) {
+				@Override
+				public void setSelectionToViewer(List<?> selection) {
+					NestedconditionEditor.this.setSelectionToViewer(selection);
+					NestedconditionEditor.this.setFocus();
+				}
+
+				@Override
+				public void setActionBars(IActionBars actionBars) {
+					super.setActionBars(actionBars);
+					getActionBarContributor().shareGlobalActions(this, actionBars);
+				}
+			};
+		propertySheetPage.setPropertySourceProvider(new AdapterFactoryContentProvider(adapterFactory));
+		propertySheetPages.add(propertySheetPage);
+
+		return propertySheetPage;
+	}
+
+	/**
+	 * This deals with how we want selection in the outliner to affect the other views.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void handleContentOutlineSelection(ISelection selection) {
+		if (currentViewerPane != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
+			Iterator<?> selectedElements = ((IStructuredSelection)selection).iterator();
+			if (selectedElements.hasNext()) {
+				// Get the first selected element.
+				//
+				Object selectedElement = selectedElements.next();
+
+				// If it's the selection viewer, then we want it to select the same selection as this selection.
+				//
+				if (currentViewerPane.getViewer() == selectionViewer) {
+					ArrayList<Object> selectionList = new ArrayList<Object>();
+					selectionList.add(selectedElement);
+					while (selectedElements.hasNext()) {
+						selectionList.add(selectedElements.next());
+					}
+
+					// Set the selection to the widget.
+					//
+					selectionViewer.setSelection(new StructuredSelection(selectionList));
+				}
+				else {
+					// Set the input to the widget.
+					//
+					if (currentViewerPane.getViewer().getInput() != selectedElement) {
+						currentViewerPane.getViewer().setInput(selectedElement);
+						currentViewerPane.setTitle(selectedElement);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * This is for implementing {@link IEditorPart} and simply tests the command stack.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean isDirty() {
+		return ((BasicCommandStack)editingDomain.getCommandStack()).isSaveNeeded();
+	}
+
+	/**
+	 * This is for implementing {@link IEditorPart} and simply saves the model file.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void doSave(IProgressMonitor progressMonitor) {
+		// Save only resources that have actually changed.
+		//
+		final Map<Object, Object> saveOptions = new HashMap<Object, Object>();
+		saveOptions.put(Resource.OPTION_SAVE_ONLY_IF_CHANGED, Resource.OPTION_SAVE_ONLY_IF_CHANGED_MEMORY_BUFFER);
+		saveOptions.put(Resource.OPTION_LINE_DELIMITER, Resource.OPTION_LINE_DELIMITER_UNSPECIFIED);
+
+		// Do the work within an operation because this is a long running activity that modifies the workbench.
+		//
+		WorkspaceModifyOperation operation =
+			new WorkspaceModifyOperation() {
+				// This is the method that gets invoked when the operation runs.
+				//
+				@Override
+				public void execute(IProgressMonitor monitor) {
+					// Save the resources to the file system.
+					//
+					boolean first = true;
+					for (Resource resource : editingDomain.getResourceSet().getResources()) {
+						if ((first || !resource.getContents().isEmpty() || isPersisted(resource)) && !editingDomain.isReadOnly(resource)) {
+							try {
+								long timeStamp = resource.getTimeStamp();
+								resource.save(saveOptions);
+								if (resource.getTimeStamp() != timeStamp) {
+									savedResources.add(resource);
+								}
+							}
+							catch (Exception exception) {
+								resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
+							}
+							first = false;
+						}
+					}
+				}
+			};
+
+		updateProblemIndication = false;
+		try {
+			// This runs the options, and shows progress.
+			//
+			new ProgressMonitorDialog(getSite().getShell()).run(true, false, operation);
+
+			// Refresh the necessary state.
+			//
+			((BasicCommandStack)editingDomain.getCommandStack()).saveIsDone();
+			firePropertyChange(IEditorPart.PROP_DIRTY);
+		}
+		catch (Exception exception) {
+			// Something went wrong that shouldn't.
+			//
+			NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+		}
+		updateProblemIndication = true;
+		updateProblemIndication();
+	}
+
+	/**
+	 * This returns whether something has been persisted to the URI of the specified resource.
+	 * The implementation uses the URI converter from the editor's resource set to try to open an input stream.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected boolean isPersisted(Resource resource) {
+		boolean result = false;
+		try {
+			InputStream stream = editingDomain.getResourceSet().getURIConverter().createInputStream(resource.getURI());
+			if (stream != null) {
+				result = true;
+				stream.close();
+			}
+		}
+		catch (IOException e) {
+			// Ignore
+		}
+		return result;
+	}
+
+	/**
+	 * This always returns true because it is not currently supported.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean isSaveAsAllowed() {
+		return true;
+	}
+
+	/**
+	 * This also changes the editor's input.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void doSaveAs() {
+		SaveAsDialog saveAsDialog = new SaveAsDialog(getSite().getShell());
+		saveAsDialog.open();
+		IPath path = saveAsDialog.getResult();
+		if (path != null) {
+			IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(path);
+			if (file != null) {
+				doSaveAs(URI.createPlatformResourceURI(file.getFullPath().toString(), true), new FileEditorInput(file));
+			}
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void doSaveAs(URI uri, IEditorInput editorInput) {
+		(editingDomain.getResourceSet().getResources().get(0)).setURI(uri);
+		setInputWithNotify(editorInput);
+		setPartName(editorInput.getName());
+		IProgressMonitor progressMonitor =
+			getActionBars().getStatusLineManager() != null ?
+				getActionBars().getStatusLineManager().getProgressMonitor() :
+				new NullProgressMonitor();
+		doSave(progressMonitor);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void gotoMarker(IMarker marker) {
+		List<?> targetObjects = markerHelper.getTargetObjects(editingDomain, marker);
+		if (!targetObjects.isEmpty()) {
+			setSelectionToViewer(targetObjects);
+		}
+	}
+
+	/**
+	 * This is called during startup.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void init(IEditorSite site, IEditorInput editorInput) {
+		setSite(site);
+		setInputWithNotify(editorInput);
+		setPartName(editorInput.getName());
+		site.setSelectionProvider(this);
+		site.getPage().addPartListener(partListener);
+		ResourcesPlugin.getWorkspace().addResourceChangeListener(resourceChangeListener, IResourceChangeEvent.POST_CHANGE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void setFocus() {
+		if (currentViewerPane != null) {
+			currentViewerPane.setFocus();
+		}
+		else {
+			getControl(getActivePage()).setFocus();
+		}
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void addSelectionChangedListener(ISelectionChangedListener listener) {
+		selectionChangedListeners.add(listener);
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void removeSelectionChangedListener(ISelectionChangedListener listener) {
+		selectionChangedListeners.remove(listener);
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to return this editor's overall selection.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ISelection getSelection() {
+		return editorSelection;
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to set this editor's overall selection.
+	 * Calling this result will notify the listeners.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setSelection(ISelection selection) {
+		editorSelection = selection;
+
+		for (ISelectionChangedListener listener : selectionChangedListeners) {
+			listener.selectionChanged(new SelectionChangedEvent(this, selection));
+		}
+		setStatusLineManager(selection);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setStatusLineManager(ISelection selection) {
+		IStatusLineManager statusLineManager = currentViewer != null && currentViewer == contentOutlineViewer ?
+			contentOutlineStatusLineManager : getActionBars().getStatusLineManager();
+
+		if (statusLineManager != null) {
+			if (selection instanceof IStructuredSelection) {
+				Collection<?> collection = ((IStructuredSelection)selection).toList();
+				switch (collection.size()) {
+					case 0: {
+						statusLineManager.setMessage(getString("_UI_NoObjectSelected"));
+						break;
+					}
+					case 1: {
+						String text = new AdapterFactoryItemDelegator(adapterFactory).getText(collection.iterator().next());
+						statusLineManager.setMessage(getString("_UI_SingleObjectSelected", text));
+						break;
+					}
+					default: {
+						statusLineManager.setMessage(getString("_UI_MultiObjectSelected", Integer.toString(collection.size())));
+						break;
+					}
+				}
+			}
+			else {
+				statusLineManager.setMessage("");
+			}
+		}
+	}
+
+	/**
+	 * This looks up a string in the plugin's plugin.properties file.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static String getString(String key) {
+		return NestedconstraintmodelEditorPlugin.INSTANCE.getString(key);
+	}
+
+	/**
+	 * This looks up a string in plugin.properties, making a substitution.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static String getString(String key, Object s1) {
+		return NestedconstraintmodelEditorPlugin.INSTANCE.getString(key, new Object [] { s1 });
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.action.IMenuListener} to help fill the context menus with contributions from the Edit menu.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void menuAboutToShow(IMenuManager menuManager) {
+		((IMenuListener)getEditorSite().getActionBarContributor()).menuAboutToShow(menuManager);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EditingDomainActionBarContributor getActionBarContributor() {
+		return (EditingDomainActionBarContributor)getEditorSite().getActionBarContributor();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IActionBars getActionBars() {
+		return getActionBarContributor().getActionBars();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public AdapterFactory getAdapterFactory() {
+		return adapterFactory;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void dispose() {
+		updateProblemIndication = false;
+
+		ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceChangeListener);
+
+		getSite().getPage().removePartListener(partListener);
+
+		adapterFactory.dispose();
+
+		if (getActionBarContributor().getActiveEditor() == this) {
+			getActionBarContributor().setActiveEditor(null);
+		}
+
+		for (PropertySheetPage propertySheetPage : propertySheetPages) {
+			propertySheetPage.dispose();
+		}
+
+		if (contentOutlinePage != null) {
+			contentOutlinePage.dispose();
+		}
+
+		super.dispose();
+	}
+
+	/**
+	 * Returns whether the outline view should be presented to the user.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected boolean showOutlineView() {
+		return true;
+	}
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedcondition/presentation/NestedconditionModelWizard.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedcondition/presentation/NestedconditionModelWizard.java
new file mode 100644
index 0000000..c12579f
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedcondition/presentation/NestedconditionModelWizard.java
@@ -0,0 +1,630 @@
+/**
+ */
+package nestedcondition.presentation;
+
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.MissingResourceException;
+import java.util.StringTokenizer;
+
+import org.eclipse.emf.common.CommonPlugin;
+
+import org.eclipse.emf.common.util.URI;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EClassifier;
+
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+import org.eclipse.emf.ecore.xmi.XMLResource;
+
+import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
+
+import org.eclipse.core.resources.IContainer;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IFolder;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.ResourcesPlugin;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+
+import org.eclipse.jface.dialogs.MessageDialog;
+
+import org.eclipse.jface.viewers.IStructuredSelection;
+
+import org.eclipse.jface.wizard.Wizard;
+import org.eclipse.jface.wizard.WizardPage;
+
+import org.eclipse.swt.SWT;
+
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.ModifyEvent;
+
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+
+import org.eclipse.swt.widgets.Combo;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+
+import org.eclipse.ui.INewWizard;
+import org.eclipse.ui.IWorkbench;
+
+import org.eclipse.ui.actions.WorkspaceModifyOperation;
+
+import org.eclipse.ui.dialogs.WizardNewFileCreationPage;
+
+import org.eclipse.ui.part.FileEditorInput;
+import org.eclipse.ui.part.ISetSelectionTarget;
+
+import nestedcondition.NestedconditionFactory;
+import nestedcondition.NestedconditionPackage;
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+
+import nestedconstraintmodel.presentation.NestedconstraintmodelEditorPlugin;
+
+import org.eclipse.core.runtime.Path;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PartInitException;
+
+
+/**
+ * This is a simple wizard for creating a new model file.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedconditionModelWizard extends Wizard implements INewWizard {
+	/**
+	 * The supported extensions for created files.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final List<String> FILE_EXTENSIONS =
+		Collections.unmodifiableList(Arrays.asList(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconditionEditorFilenameExtensions").split("\\s*,\\s*")));
+
+	/**
+	 * A formatted list of supported file extensions, suitable for display.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final String FORMATTED_FILE_EXTENSIONS =
+		NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconditionEditorFilenameExtensions").replaceAll("\\s*,\\s*", ", ");
+
+	/**
+	 * This caches an instance of the model package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedconditionPackage nestedconditionPackage = NestedconditionPackage.eINSTANCE;
+
+	/**
+	 * This caches an instance of the model factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedconditionFactory nestedconditionFactory = nestedconditionPackage.getNestedconditionFactory();
+
+	/**
+	 * This is the file creation page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedconditionModelWizardNewFileCreationPage newFileCreationPage;
+
+	/**
+	 * This is the initial object creation page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedconditionModelWizardInitialObjectCreationPage initialObjectCreationPage;
+
+	/**
+	 * Remember the selection during initialization for populating the default container.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IStructuredSelection selection;
+
+	/**
+	 * Remember the workbench during initialization.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IWorkbench workbench;
+
+	/**
+	 * Caches the names of the types that can be created as the root object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected List<String> initialObjectNames;
+
+	/**
+	 * This just records the information.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void init(IWorkbench workbench, IStructuredSelection selection) {
+		this.workbench = workbench;
+		this.selection = selection;
+		setWindowTitle(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_Wizard_label"));
+		setDefaultPageImageDescriptor(ExtendedImageRegistry.INSTANCE.getImageDescriptor(NestedconstraintmodelEditorPlugin.INSTANCE.getImage("full/wizban/NewNestedcondition")));
+	}
+
+	/**
+	 * Returns the names of the types that can be created as the root object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<String> getInitialObjectNames() {
+		if (initialObjectNames == null) {
+			initialObjectNames = new ArrayList<String>();
+			for (EClassifier eClassifier : nestedconditionPackage.getEClassifiers()) {
+				if (eClassifier instanceof EClass) {
+					EClass eClass = (EClass)eClassifier;
+					if (!eClass.isAbstract()) {
+						initialObjectNames.add(eClass.getName());
+					}
+				}
+			}
+			Collections.sort(initialObjectNames, CommonPlugin.INSTANCE.getComparator());
+		}
+		return initialObjectNames;
+	}
+
+	/**
+	 * Create a new model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected EObject createInitialModel() {
+		EClass eClass = (EClass)nestedconditionPackage.getEClassifier(initialObjectCreationPage.getInitialObjectName());
+		EObject rootObject = nestedconditionFactory.create(eClass);
+		return rootObject;
+	}
+
+	/**
+	 * Do the work after everything is specified.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean performFinish() {
+		try {
+			// Remember the file.
+			//
+			final IFile modelFile = getModelFile();
+
+			// Do the work within an operation.
+			//
+			WorkspaceModifyOperation operation =
+				new WorkspaceModifyOperation() {
+					@Override
+					protected void execute(IProgressMonitor progressMonitor) {
+						try {
+							// Create a resource set
+							//
+							ResourceSet resourceSet = new ResourceSetImpl();
+
+							// Get the URI of the model file.
+							//
+							URI fileURI = URI.createPlatformResourceURI(modelFile.getFullPath().toString(), true);
+
+							// Create a resource for this file.
+							//
+							Resource resource = resourceSet.createResource(fileURI);
+
+							// Add the initial model object to the contents.
+							//
+							EObject rootObject = createInitialModel();
+							if (rootObject != null) {
+								resource.getContents().add(rootObject);
+							}
+
+							// Save the contents of the resource to the file system.
+							//
+							Map<Object, Object> options = new HashMap<Object, Object>();
+							options.put(XMLResource.OPTION_ENCODING, initialObjectCreationPage.getEncoding());
+							resource.save(options);
+						}
+						catch (Exception exception) {
+							NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+						}
+						finally {
+							progressMonitor.done();
+						}
+					}
+				};
+
+			getContainer().run(false, false, operation);
+
+			// Select the new file resource in the current view.
+			//
+			IWorkbenchWindow workbenchWindow = workbench.getActiveWorkbenchWindow();
+			IWorkbenchPage page = workbenchWindow.getActivePage();
+			final IWorkbenchPart activePart = page.getActivePart();
+			if (activePart instanceof ISetSelectionTarget) {
+				final ISelection targetSelection = new StructuredSelection(modelFile);
+				getShell().getDisplay().asyncExec
+					(new Runnable() {
+						 public void run() {
+							 ((ISetSelectionTarget)activePart).selectReveal(targetSelection);
+						 }
+					 });
+			}
+
+			// Open an editor on the new file.
+			//
+			try {
+				page.openEditor
+					(new FileEditorInput(modelFile),
+					 workbench.getEditorRegistry().getDefaultEditor(modelFile.getFullPath().toString()).getId());					 	 
+			}
+			catch (PartInitException exception) {
+				MessageDialog.openError(workbenchWindow.getShell(), NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_OpenEditorError_label"), exception.getMessage());
+				return false;
+			}
+
+			return true;
+		}
+		catch (Exception exception) {
+			NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+			return false;
+		}
+	}
+
+	/**
+	 * This is the one page of the wizard.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public class NestedconditionModelWizardNewFileCreationPage extends WizardNewFileCreationPage {
+		/**
+		 * Pass in the selection.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public NestedconditionModelWizardNewFileCreationPage(String pageId, IStructuredSelection selection) {
+			super(pageId, selection);
+		}
+
+		/**
+		 * The framework calls this to see if the file is correct.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		protected boolean validatePage() {
+			if (super.validatePage()) {
+				String extension = new Path(getFileName()).getFileExtension();
+				if (extension == null || !FILE_EXTENSIONS.contains(extension)) {
+					String key = FILE_EXTENSIONS.size() > 1 ? "_WARN_FilenameExtensions" : "_WARN_FilenameExtension";
+					setErrorMessage(NestedconstraintmodelEditorPlugin.INSTANCE.getString(key, new Object [] { FORMATTED_FILE_EXTENSIONS }));
+					return false;
+				}
+				return true;
+			}
+			return false;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public IFile getModelFile() {
+			return ResourcesPlugin.getWorkspace().getRoot().getFile(getContainerFullPath().append(getFileName()));
+		}
+	}
+
+	/**
+	 * This is the page where the type of object to create is selected.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public class NestedconditionModelWizardInitialObjectCreationPage extends WizardPage {
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected Combo initialObjectField;
+
+		/**
+		 * @generated
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 */
+		protected List<String> encodings;
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected Combo encodingField;
+
+		/**
+		 * Pass in the selection.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public NestedconditionModelWizardInitialObjectCreationPage(String pageId) {
+			super(pageId);
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public void createControl(Composite parent) {
+			Composite composite = new Composite(parent, SWT.NONE);
+			{
+				GridLayout layout = new GridLayout();
+				layout.numColumns = 1;
+				layout.verticalSpacing = 12;
+				composite.setLayout(layout);
+
+				GridData data = new GridData();
+				data.verticalAlignment = GridData.FILL;
+				data.grabExcessVerticalSpace = true;
+				data.horizontalAlignment = GridData.FILL;
+				composite.setLayoutData(data);
+			}
+
+			Label containerLabel = new Label(composite, SWT.LEFT);
+			{
+				containerLabel.setText(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_ModelObject"));
+
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				containerLabel.setLayoutData(data);
+			}
+
+			initialObjectField = new Combo(composite, SWT.BORDER);
+			{
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				data.grabExcessHorizontalSpace = true;
+				initialObjectField.setLayoutData(data);
+			}
+
+			for (String objectName : getInitialObjectNames()) {
+				initialObjectField.add(getLabel(objectName));
+			}
+
+			if (initialObjectField.getItemCount() == 1) {
+				initialObjectField.select(0);
+			}
+			initialObjectField.addModifyListener(validator);
+
+			Label encodingLabel = new Label(composite, SWT.LEFT);
+			{
+				encodingLabel.setText(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_XMLEncoding"));
+
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				encodingLabel.setLayoutData(data);
+			}
+			encodingField = new Combo(composite, SWT.BORDER);
+			{
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				data.grabExcessHorizontalSpace = true;
+				encodingField.setLayoutData(data);
+			}
+
+			for (String encoding : getEncodings()) {
+				encodingField.add(encoding);
+			}
+
+			encodingField.select(0);
+			encodingField.addModifyListener(validator);
+
+			setPageComplete(validatePage());
+			setControl(composite);
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected ModifyListener validator =
+			new ModifyListener() {
+				public void modifyText(ModifyEvent e) {
+					setPageComplete(validatePage());
+				}
+			};
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected boolean validatePage() {
+			return getInitialObjectName() != null && getEncodings().contains(encodingField.getText());
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public void setVisible(boolean visible) {
+			super.setVisible(visible);
+			if (visible) {
+				if (initialObjectField.getItemCount() == 1) {
+					initialObjectField.clearSelection();
+					encodingField.setFocus();
+				}
+				else {
+					encodingField.clearSelection();
+					initialObjectField.setFocus();
+				}
+			}
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public String getInitialObjectName() {
+			String label = initialObjectField.getText();
+
+			for (String name : getInitialObjectNames()) {
+				if (getLabel(name).equals(label)) {
+					return name;
+				}
+			}
+			return null;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public String getEncoding() {
+			return encodingField.getText();
+		}
+
+		/**
+		 * Returns the label for the specified type name.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected String getLabel(String typeName) {
+			try {
+				return NestedconstraintmodelEditPlugin.INSTANCE.getString("_UI_" + typeName + "_type");
+			}
+			catch(MissingResourceException mre) {
+				NestedconstraintmodelEditorPlugin.INSTANCE.log(mre);
+			}
+			return typeName;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected Collection<String> getEncodings() {
+			if (encodings == null) {
+				encodings = new ArrayList<String>();
+				for (StringTokenizer stringTokenizer = new StringTokenizer(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_XMLEncodingChoices")); stringTokenizer.hasMoreTokens(); ) {
+					encodings.add(stringTokenizer.nextToken());
+				}
+			}
+			return encodings;
+		}
+	}
+
+	/**
+	 * The framework calls this to create the contents of the wizard.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+		@Override
+	public void addPages() {
+		// Create a page, set the title, and the initial model file name.
+		//
+		newFileCreationPage = new NestedconditionModelWizardNewFileCreationPage("Whatever", selection);
+		newFileCreationPage.setTitle(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconditionModelWizard_label"));
+		newFileCreationPage.setDescription(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconditionModelWizard_description"));
+		newFileCreationPage.setFileName(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconditionEditorFilenameDefaultBase") + "." + FILE_EXTENSIONS.get(0));
+		addPage(newFileCreationPage);
+
+		// Try and get the resource selection to determine a current directory for the file dialog.
+		//
+		if (selection != null && !selection.isEmpty()) {
+			// Get the resource...
+			//
+			Object selectedElement = selection.iterator().next();
+			if (selectedElement instanceof IResource) {
+				// Get the resource parent, if its a file.
+				//
+				IResource selectedResource = (IResource)selectedElement;
+				if (selectedResource.getType() == IResource.FILE) {
+					selectedResource = selectedResource.getParent();
+				}
+
+				// This gives us a directory...
+				//
+				if (selectedResource instanceof IFolder || selectedResource instanceof IProject) {
+					// Set this for the container.
+					//
+					newFileCreationPage.setContainerFullPath(selectedResource.getFullPath());
+
+					// Make up a unique new name here.
+					//
+					String defaultModelBaseFilename = NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconditionEditorFilenameDefaultBase");
+					String defaultModelFilenameExtension = FILE_EXTENSIONS.get(0);
+					String modelFilename = defaultModelBaseFilename + "." + defaultModelFilenameExtension;
+					for (int i = 1; ((IContainer)selectedResource).findMember(modelFilename) != null; ++i) {
+						modelFilename = defaultModelBaseFilename + i + "." + defaultModelFilenameExtension;
+					}
+					newFileCreationPage.setFileName(modelFilename);
+				}
+			}
+		}
+		initialObjectCreationPage = new NestedconditionModelWizardInitialObjectCreationPage("Whatever2");
+		initialObjectCreationPage.setTitle(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconditionModelWizard_label"));
+		initialObjectCreationPage.setDescription(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_Wizard_initial_object_description"));
+		addPage(initialObjectCreationPage);
+	}
+
+	/**
+	 * Get the file from the page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IFile getModelFile() {
+		return newFileCreationPage.getModelFile();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedconstraintmodel/presentation/NestedconstraintmodelActionBarContributor.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedconstraintmodel/presentation/NestedconstraintmodelActionBarContributor.java
new file mode 100644
index 0000000..5c50d88
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedconstraintmodel/presentation/NestedconstraintmodelActionBarContributor.java
@@ -0,0 +1,423 @@
+/**
+ */
+package nestedconstraintmodel.presentation;
+
+import java.util.ArrayList;
+import java.util.Collection;
+
+import org.eclipse.emf.common.ui.viewer.IViewerProvider;
+
+import org.eclipse.emf.edit.domain.EditingDomain;
+import org.eclipse.emf.edit.domain.IEditingDomainProvider;
+
+import org.eclipse.emf.edit.ui.action.ControlAction;
+import org.eclipse.emf.edit.ui.action.CreateChildAction;
+import org.eclipse.emf.edit.ui.action.CreateSiblingAction;
+import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;
+import org.eclipse.emf.edit.ui.action.LoadResourceAction;
+import org.eclipse.emf.edit.ui.action.ValidateAction;
+
+import org.eclipse.jface.action.Action;
+import org.eclipse.jface.action.ActionContributionItem;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.action.IContributionItem;
+import org.eclipse.jface.action.IContributionManager;
+import org.eclipse.jface.action.IMenuListener;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.IToolBarManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+import org.eclipse.jface.action.SubContributionItem;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.Viewer;
+
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.PartInitException;
+
+/**
+ * This is the action bar contributor for the Nestedconstraintmodel model editor.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedconstraintmodelActionBarContributor
+	extends EditingDomainActionBarContributor
+	implements ISelectionChangedListener {
+	/**
+	 * This keeps track of the active editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IEditorPart activeEditorPart;
+
+	/**
+	 * This keeps track of the current selection provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ISelectionProvider selectionProvider;
+
+	/**
+	 * This action opens the Properties view.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IAction showPropertiesViewAction =
+		new Action(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_ShowPropertiesView_menu_item")) {
+			@Override
+			public void run() {
+				try {
+					getPage().showView("org.eclipse.ui.views.PropertySheet");
+				}
+				catch (PartInitException exception) {
+					NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+				}
+			}
+		};
+
+	/**
+	 * This action refreshes the viewer of the current editor if the editor
+	 * implements {@link org.eclipse.emf.common.ui.viewer.IViewerProvider}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IAction refreshViewerAction =
+		new Action(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_RefreshViewer_menu_item")) {
+			@Override
+			public boolean isEnabled() {
+				return activeEditorPart instanceof IViewerProvider;
+			}
+
+			@Override
+			public void run() {
+				if (activeEditorPart instanceof IViewerProvider) {
+					Viewer viewer = ((IViewerProvider)activeEditorPart).getViewer();
+					if (viewer != null) {
+						viewer.refresh();
+					}
+				}
+			}
+		};
+
+	/**
+	 * This will contain one {@link org.eclipse.emf.edit.ui.action.CreateChildAction} corresponding to each descriptor
+	 * generated for the current selection by the item provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> createChildActions;
+
+	/**
+	 * This is the menu manager into which menu contribution items should be added for CreateChild actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IMenuManager createChildMenuManager;
+
+	/**
+	 * This will contain one {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} corresponding to each descriptor
+	 * generated for the current selection by the item provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> createSiblingActions;
+
+	/**
+	 * This is the menu manager into which menu contribution items should be added for CreateSibling actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IMenuManager createSiblingMenuManager;
+
+	/**
+	 * This creates an instance of the contributor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconstraintmodelActionBarContributor() {
+		super(ADDITIONS_LAST_STYLE);
+		loadResourceAction = new LoadResourceAction();
+		validateAction = new ValidateAction();
+		controlAction = new ControlAction();
+	}
+
+	/**
+	 * This adds Separators for editor additions to the tool bar.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void contributeToToolBar(IToolBarManager toolBarManager) {
+		toolBarManager.add(new Separator("nestedconstraintmodel-settings"));
+		toolBarManager.add(new Separator("nestedconstraintmodel-additions"));
+	}
+
+	/**
+	 * This adds to the menu bar a menu and some separators for editor additions,
+	 * as well as the sub-menus for object creation items.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void contributeToMenu(IMenuManager menuManager) {
+		super.contributeToMenu(menuManager);
+
+		IMenuManager submenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconstraintmodelEditor_menu"), "nestedconstraintmodelMenuID");
+		menuManager.insertAfter("additions", submenuManager);
+		submenuManager.add(new Separator("settings"));
+		submenuManager.add(new Separator("actions"));
+		submenuManager.add(new Separator("additions"));
+		submenuManager.add(new Separator("additions-end"));
+
+		// Prepare for CreateChild item addition or removal.
+		//
+		createChildMenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateChild_menu_item"));
+		submenuManager.insertBefore("additions", createChildMenuManager);
+
+		// Prepare for CreateSibling item addition or removal.
+		//
+		createSiblingMenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateSibling_menu_item"));
+		submenuManager.insertBefore("additions", createSiblingMenuManager);
+
+		// Force an update because Eclipse hides empty menus now.
+		//
+		submenuManager.addMenuListener
+			(new IMenuListener() {
+				 public void menuAboutToShow(IMenuManager menuManager) {
+					 menuManager.updateAll(true);
+				 }
+			 });
+
+		addGlobalActions(submenuManager);
+	}
+
+	/**
+	 * When the active editor changes, this remembers the change and registers with it as a selection provider.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void setActiveEditor(IEditorPart part) {
+		super.setActiveEditor(part);
+		activeEditorPart = part;
+
+		// Switch to the new selection provider.
+		//
+		if (selectionProvider != null) {
+			selectionProvider.removeSelectionChangedListener(this);
+		}
+		if (part == null) {
+			selectionProvider = null;
+		}
+		else {
+			selectionProvider = part.getSite().getSelectionProvider();
+			selectionProvider.addSelectionChangedListener(this);
+
+			// Fake a selection changed event to update the menus.
+			//
+			if (selectionProvider.getSelection() != null) {
+				selectionChanged(new SelectionChangedEvent(selectionProvider, selectionProvider.getSelection()));
+			}
+		}
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionChangedListener},
+	 * handling {@link org.eclipse.jface.viewers.SelectionChangedEvent}s by querying for the children and siblings
+	 * that can be added to the selected object and updating the menus accordingly.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void selectionChanged(SelectionChangedEvent event) {
+		// Remove any menu items for old selection.
+		//
+		if (createChildMenuManager != null) {
+			depopulateManager(createChildMenuManager, createChildActions);
+		}
+		if (createSiblingMenuManager != null) {
+			depopulateManager(createSiblingMenuManager, createSiblingActions);
+		}
+
+		// Query the new selection for appropriate new child/sibling descriptors
+		//
+		Collection<?> newChildDescriptors = null;
+		Collection<?> newSiblingDescriptors = null;
+
+		ISelection selection = event.getSelection();
+		if (selection instanceof IStructuredSelection && ((IStructuredSelection)selection).size() == 1) {
+			Object object = ((IStructuredSelection)selection).getFirstElement();
+
+			EditingDomain domain = ((IEditingDomainProvider)activeEditorPart).getEditingDomain();
+
+			newChildDescriptors = domain.getNewChildDescriptors(object, null);
+			newSiblingDescriptors = domain.getNewChildDescriptors(null, object);
+		}
+
+		// Generate actions for selection; populate and redraw the menus.
+		//
+		createChildActions = generateCreateChildActions(newChildDescriptors, selection);
+		createSiblingActions = generateCreateSiblingActions(newSiblingDescriptors, selection);
+
+		if (createChildMenuManager != null) {
+			populateManager(createChildMenuManager, createChildActions, null);
+			createChildMenuManager.update(true);
+		}
+		if (createSiblingMenuManager != null) {
+			populateManager(createSiblingMenuManager, createSiblingActions, null);
+			createSiblingMenuManager.update(true);
+		}
+	}
+
+	/**
+	 * This generates a {@link org.eclipse.emf.edit.ui.action.CreateChildAction} for each object in <code>descriptors</code>,
+	 * and returns the collection of these actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> generateCreateChildActions(Collection<?> descriptors, ISelection selection) {
+		Collection<IAction> actions = new ArrayList<IAction>();
+		if (descriptors != null) {
+			for (Object descriptor : descriptors) {
+				actions.add(new CreateChildAction(activeEditorPart, selection, descriptor));
+			}
+		}
+		return actions;
+	}
+
+	/**
+	 * This generates a {@link org.eclipse.emf.edit.ui.action.CreateSiblingAction} for each object in <code>descriptors</code>,
+	 * and returns the collection of these actions.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<IAction> generateCreateSiblingActions(Collection<?> descriptors, ISelection selection) {
+		Collection<IAction> actions = new ArrayList<IAction>();
+		if (descriptors != null) {
+			for (Object descriptor : descriptors) {
+				actions.add(new CreateSiblingAction(activeEditorPart, selection, descriptor));
+			}
+		}
+		return actions;
+	}
+
+	/**
+	 * This populates the specified <code>manager</code> with {@link org.eclipse.jface.action.ActionContributionItem}s
+	 * based on the {@link org.eclipse.jface.action.IAction}s contained in the <code>actions</code> collection,
+	 * by inserting them before the specified contribution item <code>contributionID</code>.
+	 * If <code>contributionID</code> is <code>null</code>, they are simply added.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void populateManager(IContributionManager manager, Collection<? extends IAction> actions, String contributionID) {
+		if (actions != null) {
+			for (IAction action : actions) {
+				if (contributionID != null) {
+					manager.insertBefore(contributionID, action);
+				}
+				else {
+					manager.add(action);
+				}
+			}
+		}
+	}
+		
+	/**
+	 * This removes from the specified <code>manager</code> all {@link org.eclipse.jface.action.ActionContributionItem}s
+	 * based on the {@link org.eclipse.jface.action.IAction}s contained in the <code>actions</code> collection.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void depopulateManager(IContributionManager manager, Collection<? extends IAction> actions) {
+		if (actions != null) {
+			IContributionItem[] items = manager.getItems();
+			for (int i = 0; i < items.length; i++) {
+				// Look into SubContributionItems
+				//
+				IContributionItem contributionItem = items[i];
+				while (contributionItem instanceof SubContributionItem) {
+					contributionItem = ((SubContributionItem)contributionItem).getInnerItem();
+				}
+
+				// Delete the ActionContributionItems with matching action.
+				//
+				if (contributionItem instanceof ActionContributionItem) {
+					IAction action = ((ActionContributionItem)contributionItem).getAction();
+					if (actions.contains(action)) {
+						manager.remove(contributionItem);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * This populates the pop-up menu before it appears.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void menuAboutToShow(IMenuManager menuManager) {
+		super.menuAboutToShow(menuManager);
+		MenuManager submenuManager = null;
+
+		submenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateChild_menu_item"));
+		populateManager(submenuManager, createChildActions, null);
+		menuManager.insertBefore("edit", submenuManager);
+
+		submenuManager = new MenuManager(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_CreateSibling_menu_item"));
+		populateManager(submenuManager, createSiblingActions, null);
+		menuManager.insertBefore("edit", submenuManager);
+	}
+
+	/**
+	 * This inserts global actions before the "additions-end" separator.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void addGlobalActions(IMenuManager menuManager) {
+		menuManager.insertAfter("additions-end", new Separator("ui-actions"));
+		menuManager.insertAfter("ui-actions", showPropertiesViewAction);
+
+		refreshViewerAction.setEnabled(refreshViewerAction.isEnabled());		
+		menuManager.insertAfter("ui-actions", refreshViewerAction);
+
+		super.addGlobalActions(menuManager);
+	}
+
+	/**
+	 * This ensures that a delete action will clean up all references to deleted objects.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected boolean removeAllReferencesOnDelete() {
+		return true;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedconstraintmodel/presentation/NestedconstraintmodelEditor.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedconstraintmodel/presentation/NestedconstraintmodelEditor.java
new file mode 100644
index 0000000..696c825
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedconstraintmodel/presentation/NestedconstraintmodelEditor.java
@@ -0,0 +1,1828 @@
+/**
+ */
+package nestedconstraintmodel.presentation;
+
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.EventObject;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceChangeEvent;
+import org.eclipse.core.resources.IResourceChangeListener;
+import org.eclipse.core.resources.IResourceDelta;
+import org.eclipse.core.resources.IResourceDeltaVisitor;
+import org.eclipse.core.resources.ResourcesPlugin;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.NullProgressMonitor;
+
+import org.eclipse.jface.action.IMenuListener;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.IStatusLineManager;
+import org.eclipse.jface.action.IToolBarManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.dialogs.ProgressMonitorDialog;
+
+import org.eclipse.jface.util.LocalSelectionTransfer;
+
+import org.eclipse.jface.viewers.ColumnWeightData;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.IStructuredSelection;
+import org.eclipse.jface.viewers.ListViewer;
+import org.eclipse.jface.viewers.SelectionChangedEvent;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.jface.viewers.StructuredViewer;
+import org.eclipse.jface.viewers.TableLayout;
+import org.eclipse.jface.viewers.TableViewer;
+import org.eclipse.jface.viewers.TreeViewer;
+import org.eclipse.jface.viewers.Viewer;
+
+import org.eclipse.swt.SWT;
+
+import org.eclipse.swt.custom.CTabFolder;
+
+import org.eclipse.swt.dnd.DND;
+import org.eclipse.swt.dnd.FileTransfer;
+import org.eclipse.swt.dnd.Transfer;
+
+import org.eclipse.swt.events.ControlAdapter;
+import org.eclipse.swt.events.ControlEvent;
+
+import org.eclipse.swt.graphics.Point;
+
+import org.eclipse.swt.layout.FillLayout;
+
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Menu;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+import org.eclipse.swt.widgets.Tree;
+import org.eclipse.swt.widgets.TreeColumn;
+
+import org.eclipse.ui.IActionBars;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IEditorSite;
+import org.eclipse.ui.IPartListener;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.PartInitException;
+
+import org.eclipse.ui.dialogs.SaveAsDialog;
+
+import org.eclipse.ui.ide.IGotoMarker;
+
+import org.eclipse.ui.part.FileEditorInput;
+import org.eclipse.ui.part.MultiPageEditorPart;
+
+import org.eclipse.ui.views.contentoutline.ContentOutline;
+import org.eclipse.ui.views.contentoutline.ContentOutlinePage;
+import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
+
+import org.eclipse.ui.views.properties.IPropertySheetPage;
+import org.eclipse.ui.views.properties.PropertySheet;
+import org.eclipse.ui.views.properties.PropertySheetPage;
+
+import org.eclipse.emf.common.command.BasicCommandStack;
+import org.eclipse.emf.common.command.Command;
+import org.eclipse.emf.common.command.CommandStack;
+import org.eclipse.emf.common.command.CommandStackListener;
+
+import org.eclipse.emf.common.notify.AdapterFactory;
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.common.ui.MarkerHelper;
+import org.eclipse.emf.common.ui.ViewerPane;
+
+import org.eclipse.emf.common.ui.editor.ProblemEditorPart;
+
+import org.eclipse.emf.common.ui.viewer.IViewerProvider;
+
+import org.eclipse.emf.common.util.BasicDiagnostic;
+import org.eclipse.emf.common.util.Diagnostic;
+import org.eclipse.emf.common.util.URI;
+
+
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+
+import org.eclipse.emf.ecore.util.EContentAdapter;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+
+import org.eclipse.emf.edit.domain.AdapterFactoryEditingDomain;
+import org.eclipse.emf.edit.domain.EditingDomain;
+import org.eclipse.emf.edit.domain.IEditingDomainProvider;
+
+import org.eclipse.emf.edit.provider.AdapterFactoryItemDelegator;
+import org.eclipse.emf.edit.provider.ComposedAdapterFactory;
+import org.eclipse.emf.edit.provider.ReflectiveItemProviderAdapterFactory;
+
+import org.eclipse.emf.edit.provider.resource.ResourceItemProviderAdapterFactory;
+
+import org.eclipse.emf.edit.ui.action.EditingDomainActionBarContributor;
+
+import org.eclipse.emf.edit.ui.celleditor.AdapterFactoryTreeEditor;
+
+import org.eclipse.emf.edit.ui.dnd.EditingDomainViewerDropAdapter;
+import org.eclipse.emf.edit.ui.dnd.LocalTransfer;
+import org.eclipse.emf.edit.ui.dnd.ViewerDragAdapter;
+
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
+import org.eclipse.emf.edit.ui.provider.AdapterFactoryLabelProvider;
+import org.eclipse.emf.edit.ui.provider.UnwrappingSelectionProvider;
+
+import org.eclipse.emf.edit.ui.util.EditUIMarkerHelper;
+import org.eclipse.emf.edit.ui.util.EditUIUtil;
+
+import org.eclipse.emf.edit.ui.view.ExtendedPropertySheetPage;
+
+import nestedconstraintmodel.provider.NestedconstraintmodelItemProviderAdapterFactory;
+
+import graph.provider.GraphItemProviderAdapterFactory;
+
+import laxcondition.provider.LaxconditionItemProviderAdapterFactory;
+
+import nestedcondition.provider.NestedconditionItemProviderAdapterFactory;
+
+import org.eclipse.ui.actions.WorkspaceModifyOperation;
+
+
+/**
+ * This is an example of a Nestedconstraintmodel model editor.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedconstraintmodelEditor
+	extends MultiPageEditorPart
+	implements IEditingDomainProvider, ISelectionProvider, IMenuListener, IViewerProvider, IGotoMarker {
+	/**
+	 * This keeps track of the editing domain that is used to track all changes to the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected AdapterFactoryEditingDomain editingDomain;
+
+	/**
+	 * This is the one adapter factory used for providing views of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ComposedAdapterFactory adapterFactory;
+
+	/**
+	 * This is the content outline page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IContentOutlinePage contentOutlinePage;
+
+	/**
+	 * This is a kludge...
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IStatusLineManager contentOutlineStatusLineManager;
+
+	/**
+	 * This is the content outline page's viewer.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer contentOutlineViewer;
+
+	/**
+	 * This is the property sheet page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected List<PropertySheetPage> propertySheetPages = new ArrayList<PropertySheetPage>();
+
+	/**
+	 * This is the viewer that shadows the selection in the content outline.
+	 * The parent relation must be correctly defined for this to work.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer selectionViewer;
+
+	/**
+	 * This inverts the roll of parent and child in the content provider and show parents as a tree.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer parentViewer;
+
+	/**
+	 * This shows how a tree view works.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer treeViewer;
+
+	/**
+	 * This shows how a list view works.
+	 * A list viewer doesn't support icons.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ListViewer listViewer;
+
+	/**
+	 * This shows how a table view works.
+	 * A table can be used as a list with icons.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TableViewer tableViewer;
+
+	/**
+	 * This shows how a tree view with columns works.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TreeViewer treeViewerWithColumns;
+
+	/**
+	 * This keeps track of the active viewer pane, in the book.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ViewerPane currentViewerPane;
+
+	/**
+	 * This keeps track of the active content viewer, which may be either one of the viewers in the pages or the content outline viewer.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Viewer currentViewer;
+
+	/**
+	 * This listens to which ever viewer is active.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ISelectionChangedListener selectionChangedListener;
+
+	/**
+	 * This keeps track of all the {@link org.eclipse.jface.viewers.ISelectionChangedListener}s that are listening to this editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<ISelectionChangedListener> selectionChangedListeners = new ArrayList<ISelectionChangedListener>();
+
+	/**
+	 * This keeps track of the selection of the editor as a whole.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ISelection editorSelection = StructuredSelection.EMPTY;
+
+	/**
+	 * The MarkerHelper is responsible for creating workspace resource markers presented
+	 * in Eclipse's Problems View.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected MarkerHelper markerHelper = new EditUIMarkerHelper();
+
+	/**
+	 * This listens for when the outline becomes active
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IPartListener partListener =
+		new IPartListener() {
+			public void partActivated(IWorkbenchPart p) {
+				if (p instanceof ContentOutline) {
+					if (((ContentOutline)p).getCurrentPage() == contentOutlinePage) {
+						getActionBarContributor().setActiveEditor(NestedconstraintmodelEditor.this);
+
+						setCurrentViewer(contentOutlineViewer);
+					}
+				}
+				else if (p instanceof PropertySheet) {
+					if (propertySheetPages.contains(((PropertySheet)p).getCurrentPage())) {
+						getActionBarContributor().setActiveEditor(NestedconstraintmodelEditor.this);
+						handleActivate();
+					}
+				}
+				else if (p == NestedconstraintmodelEditor.this) {
+					handleActivate();
+				}
+			}
+			public void partBroughtToTop(IWorkbenchPart p) {
+				// Ignore.
+			}
+			public void partClosed(IWorkbenchPart p) {
+				// Ignore.
+			}
+			public void partDeactivated(IWorkbenchPart p) {
+				// Ignore.
+			}
+			public void partOpened(IWorkbenchPart p) {
+				// Ignore.
+			}
+		};
+
+	/**
+	 * Resources that have been removed since last activation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Resource> removedResources = new ArrayList<Resource>();
+
+	/**
+	 * Resources that have been changed since last activation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Resource> changedResources = new ArrayList<Resource>();
+
+	/**
+	 * Resources that have been saved.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<Resource> savedResources = new ArrayList<Resource>();
+
+	/**
+	 * Map to store the diagnostic associated with a resource.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Map<Resource, Diagnostic> resourceToDiagnosticMap = new LinkedHashMap<Resource, Diagnostic>();
+
+	/**
+	 * Controls whether the problem indication should be updated.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected boolean updateProblemIndication = true;
+
+	/**
+	 * Adapter used to update the problem indication when resources are demanded loaded.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected EContentAdapter problemIndicationAdapter =
+		new EContentAdapter() {
+			@Override
+			public void notifyChanged(Notification notification) {
+				if (notification.getNotifier() instanceof Resource) {
+					switch (notification.getFeatureID(Resource.class)) {
+						case Resource.RESOURCE__IS_LOADED:
+						case Resource.RESOURCE__ERRORS:
+						case Resource.RESOURCE__WARNINGS: {
+							Resource resource = (Resource)notification.getNotifier();
+							Diagnostic diagnostic = analyzeResourceProblems(resource, null);
+							if (diagnostic.getSeverity() != Diagnostic.OK) {
+								resourceToDiagnosticMap.put(resource, diagnostic);
+							}
+							else {
+								resourceToDiagnosticMap.remove(resource);
+							}
+
+							if (updateProblemIndication) {
+								getSite().getShell().getDisplay().asyncExec
+									(new Runnable() {
+										 public void run() {
+											 updateProblemIndication();
+										 }
+									 });
+							}
+							break;
+						}
+					}
+				}
+				else {
+					super.notifyChanged(notification);
+				}
+			}
+
+			@Override
+			protected void setTarget(Resource target) {
+				basicSetTarget(target);
+			}
+
+			@Override
+			protected void unsetTarget(Resource target) {
+				basicUnsetTarget(target);
+				resourceToDiagnosticMap.remove(target);
+				if (updateProblemIndication) {
+					getSite().getShell().getDisplay().asyncExec
+						(new Runnable() {
+							 public void run() {
+								 updateProblemIndication();
+							 }
+						 });
+				}
+			}
+		};
+
+	/**
+	 * This listens for workspace changes.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IResourceChangeListener resourceChangeListener =
+		new IResourceChangeListener() {
+			public void resourceChanged(IResourceChangeEvent event) {
+				IResourceDelta delta = event.getDelta();
+				try {
+					class ResourceDeltaVisitor implements IResourceDeltaVisitor {
+						protected ResourceSet resourceSet = editingDomain.getResourceSet();
+						protected Collection<Resource> changedResources = new ArrayList<Resource>();
+						protected Collection<Resource> removedResources = new ArrayList<Resource>();
+
+						public boolean visit(IResourceDelta delta) {
+							if (delta.getResource().getType() == IResource.FILE) {
+								if (delta.getKind() == IResourceDelta.REMOVED ||
+								    delta.getKind() == IResourceDelta.CHANGED && delta.getFlags() != IResourceDelta.MARKERS) {
+									Resource resource = resourceSet.getResource(URI.createPlatformResourceURI(delta.getFullPath().toString(), true), false);
+									if (resource != null) {
+										if (delta.getKind() == IResourceDelta.REMOVED) {
+											removedResources.add(resource);
+										}
+										else if (!savedResources.remove(resource)) {
+											changedResources.add(resource);
+										}
+									}
+								}
+								return false;
+							}
+
+							return true;
+						}
+
+						public Collection<Resource> getChangedResources() {
+							return changedResources;
+						}
+
+						public Collection<Resource> getRemovedResources() {
+							return removedResources;
+						}
+					}
+
+					final ResourceDeltaVisitor visitor = new ResourceDeltaVisitor();
+					delta.accept(visitor);
+
+					if (!visitor.getRemovedResources().isEmpty()) {
+						getSite().getShell().getDisplay().asyncExec
+							(new Runnable() {
+								 public void run() {
+									 removedResources.addAll(visitor.getRemovedResources());
+									 if (!isDirty()) {
+										 getSite().getPage().closeEditor(NestedconstraintmodelEditor.this, false);
+									 }
+								 }
+							 });
+					}
+
+					if (!visitor.getChangedResources().isEmpty()) {
+						getSite().getShell().getDisplay().asyncExec
+							(new Runnable() {
+								 public void run() {
+									 changedResources.addAll(visitor.getChangedResources());
+									 if (getSite().getPage().getActiveEditor() == NestedconstraintmodelEditor.this) {
+										 handleActivate();
+									 }
+								 }
+							 });
+					}
+				}
+				catch (CoreException exception) {
+					NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+				}
+			}
+		};
+
+	/**
+	 * Handles activation of the editor or it's associated views.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void handleActivate() {
+		// Recompute the read only state.
+		//
+		if (editingDomain.getResourceToReadOnlyMap() != null) {
+		  editingDomain.getResourceToReadOnlyMap().clear();
+
+		  // Refresh any actions that may become enabled or disabled.
+		  //
+		  setSelection(getSelection());
+		}
+
+		if (!removedResources.isEmpty()) {
+			if (handleDirtyConflict()) {
+				getSite().getPage().closeEditor(NestedconstraintmodelEditor.this, false);
+			}
+			else {
+				removedResources.clear();
+				changedResources.clear();
+				savedResources.clear();
+			}
+		}
+		else if (!changedResources.isEmpty()) {
+			changedResources.removeAll(savedResources);
+			handleChangedResources();
+			changedResources.clear();
+			savedResources.clear();
+		}
+	}
+
+	/**
+	 * Handles what to do with changed resources on activation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void handleChangedResources() {
+		if (!changedResources.isEmpty() && (!isDirty() || handleDirtyConflict())) {
+			if (isDirty()) {
+				changedResources.addAll(editingDomain.getResourceSet().getResources());
+			}
+			editingDomain.getCommandStack().flush();
+
+			updateProblemIndication = false;
+			for (Resource resource : changedResources) {
+				if (resource.isLoaded()) {
+					resource.unload();
+					try {
+						resource.load(Collections.EMPTY_MAP);
+					}
+					catch (IOException exception) {
+						if (!resourceToDiagnosticMap.containsKey(resource)) {
+							resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
+						}
+					}
+				}
+			}
+
+			if (AdapterFactoryEditingDomain.isStale(editorSelection)) {
+				setSelection(StructuredSelection.EMPTY);
+			}
+
+			updateProblemIndication = true;
+			updateProblemIndication();
+		}
+	}
+
+	/**
+	 * Updates the problems indication with the information described in the specified diagnostic.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void updateProblemIndication() {
+		if (updateProblemIndication) {
+			BasicDiagnostic diagnostic =
+				new BasicDiagnostic
+					(Diagnostic.OK,
+					 "de.unimarburg.swt.ocl2ac.model.editor",
+					 0,
+					 null,
+					 new Object [] { editingDomain.getResourceSet() });
+			for (Diagnostic childDiagnostic : resourceToDiagnosticMap.values()) {
+				if (childDiagnostic.getSeverity() != Diagnostic.OK) {
+					diagnostic.add(childDiagnostic);
+				}
+			}
+
+			int lastEditorPage = getPageCount() - 1;
+			if (lastEditorPage >= 0 && getEditor(lastEditorPage) instanceof ProblemEditorPart) {
+				((ProblemEditorPart)getEditor(lastEditorPage)).setDiagnostic(diagnostic);
+				if (diagnostic.getSeverity() != Diagnostic.OK) {
+					setActivePage(lastEditorPage);
+				}
+			}
+			else if (diagnostic.getSeverity() != Diagnostic.OK) {
+				ProblemEditorPart problemEditorPart = new ProblemEditorPart();
+				problemEditorPart.setDiagnostic(diagnostic);
+				problemEditorPart.setMarkerHelper(markerHelper);
+				try {
+					addPage(++lastEditorPage, problemEditorPart, getEditorInput());
+					setPageText(lastEditorPage, problemEditorPart.getPartName());
+					setActivePage(lastEditorPage);
+					showTabs();
+				}
+				catch (PartInitException exception) {
+					NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+				}
+			}
+
+			if (markerHelper.hasMarkers(editingDomain.getResourceSet())) {
+				markerHelper.deleteMarkers(editingDomain.getResourceSet());
+				if (diagnostic.getSeverity() != Diagnostic.OK) {
+					try {
+						markerHelper.createMarkers(diagnostic);
+					}
+					catch (CoreException exception) {
+						NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * Shows a dialog that asks if conflicting changes should be discarded.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected boolean handleDirtyConflict() {
+		return
+			MessageDialog.openQuestion
+				(getSite().getShell(),
+				 getString("_UI_FileConflict_label"),
+				 getString("_WARN_FileConflict"));
+	}
+
+	/**
+	 * This creates a model editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconstraintmodelEditor() {
+		super();
+		initializeEditingDomain();
+	}
+
+	/**
+	 * This sets up the editing domain for the model editor.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void initializeEditingDomain() {
+		// Create an adapter factory that yields item providers.
+		//
+		adapterFactory = new ComposedAdapterFactory(ComposedAdapterFactory.Descriptor.Registry.INSTANCE);
+
+		adapterFactory.addAdapterFactory(new ResourceItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new NestedconstraintmodelItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new NestedconditionItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new GraphItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new LaxconditionItemProviderAdapterFactory());
+		adapterFactory.addAdapterFactory(new ReflectiveItemProviderAdapterFactory());
+
+		// Create the command stack that will notify this editor as commands are executed.
+		//
+		BasicCommandStack commandStack = new BasicCommandStack();
+
+		// Add a listener to set the most recent command's affected objects to be the selection of the viewer with focus.
+		//
+		commandStack.addCommandStackListener
+			(new CommandStackListener() {
+				 public void commandStackChanged(final EventObject event) {
+					 getContainer().getDisplay().asyncExec
+						 (new Runnable() {
+							  public void run() {
+								  firePropertyChange(IEditorPart.PROP_DIRTY);
+
+								  // Try to select the affected objects.
+								  //
+								  Command mostRecentCommand = ((CommandStack)event.getSource()).getMostRecentCommand();
+								  if (mostRecentCommand != null) {
+									  setSelectionToViewer(mostRecentCommand.getAffectedObjects());
+								  }
+								  for (Iterator<PropertySheetPage> i = propertySheetPages.iterator(); i.hasNext(); ) {
+									  PropertySheetPage propertySheetPage = i.next();
+									  if (propertySheetPage.getControl().isDisposed()) {
+										  i.remove();
+									  }
+									  else {
+										  propertySheetPage.refresh();
+									  }
+								  }
+							  }
+						  });
+				 }
+			 });
+
+		// Create the editing domain with a special command stack.
+		//
+		editingDomain = new AdapterFactoryEditingDomain(adapterFactory, commandStack, new HashMap<Resource, Boolean>());
+	}
+
+	/**
+	 * This is here for the listener to be able to call it.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+			@Override
+	protected void firePropertyChange(int action) {
+		super.firePropertyChange(action);
+	}
+
+	/**
+	 * This sets the selection into whichever viewer is active.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setSelectionToViewer(Collection<?> collection) {
+		final Collection<?> theSelection = collection;
+		// Make sure it's okay.
+		//
+		if (theSelection != null && !theSelection.isEmpty()) {
+			Runnable runnable =
+				new Runnable() {
+					public void run() {
+						// Try to select the items in the current content viewer of the editor.
+						//
+						if (currentViewer != null) {
+							currentViewer.setSelection(new StructuredSelection(theSelection.toArray()), true);
+						}
+					}
+				};
+			getSite().getShell().getDisplay().asyncExec(runnable);
+		}
+	}
+
+	/**
+	 * This returns the editing domain as required by the {@link IEditingDomainProvider} interface.
+	 * This is important for implementing the static methods of {@link AdapterFactoryEditingDomain}
+	 * and for supporting {@link org.eclipse.emf.edit.ui.action.CommandAction}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EditingDomain getEditingDomain() {
+		return editingDomain;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public class ReverseAdapterFactoryContentProvider extends AdapterFactoryContentProvider {
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public ReverseAdapterFactoryContentProvider(AdapterFactory adapterFactory) {
+			super(adapterFactory);
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public Object [] getElements(Object object) {
+			Object parent = super.getParent(object);
+			return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray();
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public Object [] getChildren(Object object) {
+			Object parent = super.getParent(object);
+			return (parent == null ? Collections.EMPTY_SET : Collections.singleton(parent)).toArray();
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public boolean hasChildren(Object object) {
+			Object parent = super.getParent(object);
+			return parent != null;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public Object getParent(Object object) {
+			return null;
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setCurrentViewerPane(ViewerPane viewerPane) {
+		if (currentViewerPane != viewerPane) {
+			if (currentViewerPane != null) {
+				currentViewerPane.showFocus(false);
+			}
+			currentViewerPane = viewerPane;
+		}
+		setCurrentViewer(currentViewerPane.getViewer());
+	}
+
+	/**
+	 * This makes sure that one content viewer, either for the current page or the outline view, if it has focus,
+	 * is the current one.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setCurrentViewer(Viewer viewer) {
+		// If it is changing...
+		//
+		if (currentViewer != viewer) {
+			if (selectionChangedListener == null) {
+				// Create the listener on demand.
+				//
+				selectionChangedListener =
+					new ISelectionChangedListener() {
+						// This just notifies those things that are affected by the section.
+						//
+						public void selectionChanged(SelectionChangedEvent selectionChangedEvent) {
+							setSelection(selectionChangedEvent.getSelection());
+						}
+					};
+			}
+
+			// Stop listening to the old one.
+			//
+			if (currentViewer != null) {
+				currentViewer.removeSelectionChangedListener(selectionChangedListener);
+			}
+
+			// Start listening to the new one.
+			//
+			if (viewer != null) {
+				viewer.addSelectionChangedListener(selectionChangedListener);
+			}
+
+			// Remember it.
+			//
+			currentViewer = viewer;
+
+			// Set the editors selection based on the current viewer's selection.
+			//
+			setSelection(currentViewer == null ? StructuredSelection.EMPTY : currentViewer.getSelection());
+		}
+	}
+
+	/**
+	 * This returns the viewer as required by the {@link IViewerProvider} interface.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Viewer getViewer() {
+		return currentViewer;
+	}
+
+	/**
+	 * This creates a context menu for the viewer and adds a listener as well registering the menu for extension.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createContextMenuFor(StructuredViewer viewer) {
+		MenuManager contextMenu = new MenuManager("#PopUp");
+		contextMenu.add(new Separator("additions"));
+		contextMenu.setRemoveAllWhenShown(true);
+		contextMenu.addMenuListener(this);
+		Menu menu= contextMenu.createContextMenu(viewer.getControl());
+		viewer.getControl().setMenu(menu);
+		getSite().registerContextMenu(contextMenu, new UnwrappingSelectionProvider(viewer));
+
+		int dndOperations = DND.DROP_COPY | DND.DROP_MOVE | DND.DROP_LINK;
+		Transfer[] transfers = new Transfer[] { LocalTransfer.getInstance(), LocalSelectionTransfer.getTransfer(), FileTransfer.getInstance() };
+		viewer.addDragSupport(dndOperations, transfers, new ViewerDragAdapter(viewer));
+		viewer.addDropSupport(dndOperations, transfers, new EditingDomainViewerDropAdapter(editingDomain, viewer));
+	}
+
+	/**
+	 * This is the method called to load a resource into the editing domain's resource set based on the editor's input.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void createModel() {
+		URI resourceURI = EditUIUtil.getURI(getEditorInput(), editingDomain.getResourceSet().getURIConverter());
+		Exception exception = null;
+		Resource resource = null;
+		try {
+			// Load the resource through the editing domain.
+			//
+			resource = editingDomain.getResourceSet().getResource(resourceURI, true);
+		}
+		catch (Exception e) {
+			exception = e;
+			resource = editingDomain.getResourceSet().getResource(resourceURI, false);
+		}
+
+		Diagnostic diagnostic = analyzeResourceProblems(resource, exception);
+		if (diagnostic.getSeverity() != Diagnostic.OK) {
+			resourceToDiagnosticMap.put(resource,  analyzeResourceProblems(resource, exception));
+		}
+		editingDomain.getResourceSet().eAdapters().add(problemIndicationAdapter);
+	}
+
+	/**
+	 * Returns a diagnostic describing the errors and warnings listed in the resource
+	 * and the specified exception (if any).
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Diagnostic analyzeResourceProblems(Resource resource, Exception exception) {
+		boolean hasErrors = !resource.getErrors().isEmpty();
+		if (hasErrors || !resource.getWarnings().isEmpty()) {
+			BasicDiagnostic basicDiagnostic =
+				new BasicDiagnostic
+					(hasErrors ? Diagnostic.ERROR : Diagnostic.WARNING,
+					 "de.unimarburg.swt.ocl2ac.model.editor",
+					 0,
+					 getString("_UI_CreateModelError_message", resource.getURI()),
+					 new Object [] { exception == null ? (Object)resource : exception });
+			basicDiagnostic.merge(EcoreUtil.computeDiagnostic(resource, true));
+			return basicDiagnostic;
+		}
+		else if (exception != null) {
+			return
+				new BasicDiagnostic
+					(Diagnostic.ERROR,
+					 "de.unimarburg.swt.ocl2ac.model.editor",
+					 0,
+					 getString("_UI_CreateModelError_message", resource.getURI()),
+					 new Object[] { exception });
+		}
+		else {
+			return Diagnostic.OK_INSTANCE;
+		}
+	}
+
+	/**
+	 * This is the method used by the framework to install your own controls.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void createPages() {
+		// Creates the model from the editor input
+		//
+		createModel();
+
+		// Only creates the other pages if there is something that can be edited
+		//
+		if (!getEditingDomain().getResourceSet().getResources().isEmpty()) {
+			// Create a page for the selection tree view.
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), NestedconstraintmodelEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							Tree tree = new Tree(composite, SWT.MULTI);
+							TreeViewer newTreeViewer = new TreeViewer(tree);
+							return newTreeViewer;
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+
+				selectionViewer = (TreeViewer)viewerPane.getViewer();
+				selectionViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+
+				selectionViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+				selectionViewer.setInput(editingDomain.getResourceSet());
+				selectionViewer.setSelection(new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)), true);
+				viewerPane.setTitle(editingDomain.getResourceSet());
+
+				new AdapterFactoryTreeEditor(selectionViewer.getTree(), adapterFactory);
+
+				createContextMenuFor(selectionViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_SelectionPage_label"));
+			}
+
+			// Create a page for the parent tree view.
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), NestedconstraintmodelEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							Tree tree = new Tree(composite, SWT.MULTI);
+							TreeViewer newTreeViewer = new TreeViewer(tree);
+							return newTreeViewer;
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+
+				parentViewer = (TreeViewer)viewerPane.getViewer();
+				parentViewer.setAutoExpandLevel(30);
+				parentViewer.setContentProvider(new ReverseAdapterFactoryContentProvider(adapterFactory));
+				parentViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(parentViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_ParentPage_label"));
+			}
+
+			// This is the page for the list viewer
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), NestedconstraintmodelEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							return new ListViewer(composite);
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+				listViewer = (ListViewer)viewerPane.getViewer();
+				listViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				listViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(listViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_ListPage_label"));
+			}
+
+			// This is the page for the tree viewer
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), NestedconstraintmodelEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							return new TreeViewer(composite);
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+				treeViewer = (TreeViewer)viewerPane.getViewer();
+				treeViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				treeViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				new AdapterFactoryTreeEditor(treeViewer.getTree(), adapterFactory);
+
+				createContextMenuFor(treeViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_TreePage_label"));
+			}
+
+			// This is the page for the table viewer.
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), NestedconstraintmodelEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							return new TableViewer(composite);
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+				tableViewer = (TableViewer)viewerPane.getViewer();
+
+				Table table = tableViewer.getTable();
+				TableLayout layout = new TableLayout();
+				table.setLayout(layout);
+				table.setHeaderVisible(true);
+				table.setLinesVisible(true);
+
+				TableColumn objectColumn = new TableColumn(table, SWT.NONE);
+				layout.addColumnData(new ColumnWeightData(3, 100, true));
+				objectColumn.setText(getString("_UI_ObjectColumn_label"));
+				objectColumn.setResizable(true);
+
+				TableColumn selfColumn = new TableColumn(table, SWT.NONE);
+				layout.addColumnData(new ColumnWeightData(2, 100, true));
+				selfColumn.setText(getString("_UI_SelfColumn_label"));
+				selfColumn.setResizable(true);
+
+				tableViewer.setColumnProperties(new String [] {"a", "b"});
+				tableViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				tableViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(tableViewer);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_TablePage_label"));
+			}
+
+			// This is the page for the table tree viewer.
+			//
+			{
+				ViewerPane viewerPane =
+					new ViewerPane(getSite().getPage(), NestedconstraintmodelEditor.this) {
+						@Override
+						public Viewer createViewer(Composite composite) {
+							return new TreeViewer(composite);
+						}
+						@Override
+						public void requestActivation() {
+							super.requestActivation();
+							setCurrentViewerPane(this);
+						}
+					};
+				viewerPane.createControl(getContainer());
+
+				treeViewerWithColumns = (TreeViewer)viewerPane.getViewer();
+
+				Tree tree = treeViewerWithColumns.getTree();
+				tree.setLayoutData(new FillLayout());
+				tree.setHeaderVisible(true);
+				tree.setLinesVisible(true);
+
+				TreeColumn objectColumn = new TreeColumn(tree, SWT.NONE);
+				objectColumn.setText(getString("_UI_ObjectColumn_label"));
+				objectColumn.setResizable(true);
+				objectColumn.setWidth(250);
+
+				TreeColumn selfColumn = new TreeColumn(tree, SWT.NONE);
+				selfColumn.setText(getString("_UI_SelfColumn_label"));
+				selfColumn.setResizable(true);
+				selfColumn.setWidth(200);
+
+				treeViewerWithColumns.setColumnProperties(new String [] {"a", "b"});
+				treeViewerWithColumns.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+				treeViewerWithColumns.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+
+				createContextMenuFor(treeViewerWithColumns);
+				int pageIndex = addPage(viewerPane.getControl());
+				setPageText(pageIndex, getString("_UI_TreeWithColumnsPage_label"));
+			}
+
+			getSite().getShell().getDisplay().asyncExec
+				(new Runnable() {
+					 public void run() {
+						 setActivePage(0);
+					 }
+				 });
+		}
+
+		// Ensures that this editor will only display the page's tab
+		// area if there are more than one page
+		//
+		getContainer().addControlListener
+			(new ControlAdapter() {
+				boolean guard = false;
+				@Override
+				public void controlResized(ControlEvent event) {
+					if (!guard) {
+						guard = true;
+						hideTabs();
+						guard = false;
+					}
+				}
+			 });
+
+		getSite().getShell().getDisplay().asyncExec
+			(new Runnable() {
+				 public void run() {
+					 updateProblemIndication();
+				 }
+			 });
+	}
+
+	/**
+	 * If there is just one page in the multi-page editor part,
+	 * this hides the single tab at the bottom.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void hideTabs() {
+		if (getPageCount() <= 1) {
+			setPageText(0, "");
+			if (getContainer() instanceof CTabFolder) {
+				((CTabFolder)getContainer()).setTabHeight(1);
+				Point point = getContainer().getSize();
+				getContainer().setSize(point.x, point.y + 6);
+			}
+		}
+	}
+
+	/**
+	 * If there is more than one page in the multi-page editor part,
+	 * this shows the tabs at the bottom.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void showTabs() {
+		if (getPageCount() > 1) {
+			setPageText(0, getString("_UI_SelectionPage_label"));
+			if (getContainer() instanceof CTabFolder) {
+				((CTabFolder)getContainer()).setTabHeight(SWT.DEFAULT);
+				Point point = getContainer().getSize();
+				getContainer().setSize(point.x, point.y - 6);
+			}
+		}
+	}
+
+	/**
+	 * This is used to track the active viewer.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected void pageChange(int pageIndex) {
+		super.pageChange(pageIndex);
+
+		if (contentOutlinePage != null) {
+			handleContentOutlineSelection(contentOutlinePage.getSelection());
+		}
+	}
+
+	/**
+	 * This is how the framework determines which interfaces we implement.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("rawtypes")
+	@Override
+	public Object getAdapter(Class key) {
+		if (key.equals(IContentOutlinePage.class)) {
+			return showOutlineView() ? getContentOutlinePage() : null;
+		}
+		else if (key.equals(IPropertySheetPage.class)) {
+			return getPropertySheetPage();
+		}
+		else if (key.equals(IGotoMarker.class)) {
+			return this;
+		}
+		else {
+			return super.getAdapter(key);
+		}
+	}
+
+	/**
+	 * This accesses a cached version of the content outliner.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IContentOutlinePage getContentOutlinePage() {
+		if (contentOutlinePage == null) {
+			// The content outline is just a tree.
+			//
+			class MyContentOutlinePage extends ContentOutlinePage {
+				@Override
+				public void createControl(Composite parent) {
+					super.createControl(parent);
+					contentOutlineViewer = getTreeViewer();
+					contentOutlineViewer.addSelectionChangedListener(this);
+
+					// Set up the tree viewer.
+					//
+					contentOutlineViewer.setContentProvider(new AdapterFactoryContentProvider(adapterFactory));
+					contentOutlineViewer.setLabelProvider(new AdapterFactoryLabelProvider(adapterFactory));
+					contentOutlineViewer.setInput(editingDomain.getResourceSet());
+
+					// Make sure our popups work.
+					//
+					createContextMenuFor(contentOutlineViewer);
+
+					if (!editingDomain.getResourceSet().getResources().isEmpty()) {
+					  // Select the root object in the view.
+					  //
+					  contentOutlineViewer.setSelection(new StructuredSelection(editingDomain.getResourceSet().getResources().get(0)), true);
+					}
+				}
+
+				@Override
+				public void makeContributions(IMenuManager menuManager, IToolBarManager toolBarManager, IStatusLineManager statusLineManager) {
+					super.makeContributions(menuManager, toolBarManager, statusLineManager);
+					contentOutlineStatusLineManager = statusLineManager;
+				}
+
+				@Override
+				public void setActionBars(IActionBars actionBars) {
+					super.setActionBars(actionBars);
+					getActionBarContributor().shareGlobalActions(this, actionBars);
+				}
+			}
+
+			contentOutlinePage = new MyContentOutlinePage();
+
+			// Listen to selection so that we can handle it is a special way.
+			//
+			contentOutlinePage.addSelectionChangedListener
+				(new ISelectionChangedListener() {
+					 // This ensures that we handle selections correctly.
+					 //
+					 public void selectionChanged(SelectionChangedEvent event) {
+						 handleContentOutlineSelection(event.getSelection());
+					 }
+				 });
+		}
+
+		return contentOutlinePage;
+	}
+
+	/**
+	 * This accesses a cached version of the property sheet.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IPropertySheetPage getPropertySheetPage() {
+		PropertySheetPage propertySheetPage =
+			new ExtendedPropertySheetPage(editingDomain) {
+				@Override
+				public void setSelectionToViewer(List<?> selection) {
+					NestedconstraintmodelEditor.this.setSelectionToViewer(selection);
+					NestedconstraintmodelEditor.this.setFocus();
+				}
+
+				@Override
+				public void setActionBars(IActionBars actionBars) {
+					super.setActionBars(actionBars);
+					getActionBarContributor().shareGlobalActions(this, actionBars);
+				}
+			};
+		propertySheetPage.setPropertySourceProvider(new AdapterFactoryContentProvider(adapterFactory));
+		propertySheetPages.add(propertySheetPage);
+
+		return propertySheetPage;
+	}
+
+	/**
+	 * This deals with how we want selection in the outliner to affect the other views.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void handleContentOutlineSelection(ISelection selection) {
+		if (currentViewerPane != null && !selection.isEmpty() && selection instanceof IStructuredSelection) {
+			Iterator<?> selectedElements = ((IStructuredSelection)selection).iterator();
+			if (selectedElements.hasNext()) {
+				// Get the first selected element.
+				//
+				Object selectedElement = selectedElements.next();
+
+				// If it's the selection viewer, then we want it to select the same selection as this selection.
+				//
+				if (currentViewerPane.getViewer() == selectionViewer) {
+					ArrayList<Object> selectionList = new ArrayList<Object>();
+					selectionList.add(selectedElement);
+					while (selectedElements.hasNext()) {
+						selectionList.add(selectedElements.next());
+					}
+
+					// Set the selection to the widget.
+					//
+					selectionViewer.setSelection(new StructuredSelection(selectionList));
+				}
+				else {
+					// Set the input to the widget.
+					//
+					if (currentViewerPane.getViewer().getInput() != selectedElement) {
+						currentViewerPane.getViewer().setInput(selectedElement);
+						currentViewerPane.setTitle(selectedElement);
+					}
+				}
+			}
+		}
+	}
+
+	/**
+	 * This is for implementing {@link IEditorPart} and simply tests the command stack.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean isDirty() {
+		return ((BasicCommandStack)editingDomain.getCommandStack()).isSaveNeeded();
+	}
+
+	/**
+	 * This is for implementing {@link IEditorPart} and simply saves the model file.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void doSave(IProgressMonitor progressMonitor) {
+		// Save only resources that have actually changed.
+		//
+		final Map<Object, Object> saveOptions = new HashMap<Object, Object>();
+		saveOptions.put(Resource.OPTION_SAVE_ONLY_IF_CHANGED, Resource.OPTION_SAVE_ONLY_IF_CHANGED_MEMORY_BUFFER);
+		saveOptions.put(Resource.OPTION_LINE_DELIMITER, Resource.OPTION_LINE_DELIMITER_UNSPECIFIED);
+
+		// Do the work within an operation because this is a long running activity that modifies the workbench.
+		//
+		WorkspaceModifyOperation operation =
+			new WorkspaceModifyOperation() {
+				// This is the method that gets invoked when the operation runs.
+				//
+				@Override
+				public void execute(IProgressMonitor monitor) {
+					// Save the resources to the file system.
+					//
+					boolean first = true;
+					for (Resource resource : editingDomain.getResourceSet().getResources()) {
+						if ((first || !resource.getContents().isEmpty() || isPersisted(resource)) && !editingDomain.isReadOnly(resource)) {
+							try {
+								long timeStamp = resource.getTimeStamp();
+								resource.save(saveOptions);
+								if (resource.getTimeStamp() != timeStamp) {
+									savedResources.add(resource);
+								}
+							}
+							catch (Exception exception) {
+								resourceToDiagnosticMap.put(resource, analyzeResourceProblems(resource, exception));
+							}
+							first = false;
+						}
+					}
+				}
+			};
+
+		updateProblemIndication = false;
+		try {
+			// This runs the options, and shows progress.
+			//
+			new ProgressMonitorDialog(getSite().getShell()).run(true, false, operation);
+
+			// Refresh the necessary state.
+			//
+			((BasicCommandStack)editingDomain.getCommandStack()).saveIsDone();
+			firePropertyChange(IEditorPart.PROP_DIRTY);
+		}
+		catch (Exception exception) {
+			// Something went wrong that shouldn't.
+			//
+			NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+		}
+		updateProblemIndication = true;
+		updateProblemIndication();
+	}
+
+	/**
+	 * This returns whether something has been persisted to the URI of the specified resource.
+	 * The implementation uses the URI converter from the editor's resource set to try to open an input stream.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected boolean isPersisted(Resource resource) {
+		boolean result = false;
+		try {
+			InputStream stream = editingDomain.getResourceSet().getURIConverter().createInputStream(resource.getURI());
+			if (stream != null) {
+				result = true;
+				stream.close();
+			}
+		}
+		catch (IOException e) {
+			// Ignore
+		}
+		return result;
+	}
+
+	/**
+	 * This always returns true because it is not currently supported.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean isSaveAsAllowed() {
+		return true;
+	}
+
+	/**
+	 * This also changes the editor's input.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void doSaveAs() {
+		SaveAsDialog saveAsDialog = new SaveAsDialog(getSite().getShell());
+		saveAsDialog.open();
+		IPath path = saveAsDialog.getResult();
+		if (path != null) {
+			IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(path);
+			if (file != null) {
+				doSaveAs(URI.createPlatformResourceURI(file.getFullPath().toString(), true), new FileEditorInput(file));
+			}
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void doSaveAs(URI uri, IEditorInput editorInput) {
+		(editingDomain.getResourceSet().getResources().get(0)).setURI(uri);
+		setInputWithNotify(editorInput);
+		setPartName(editorInput.getName());
+		IProgressMonitor progressMonitor =
+			getActionBars().getStatusLineManager() != null ?
+				getActionBars().getStatusLineManager().getProgressMonitor() :
+				new NullProgressMonitor();
+		doSave(progressMonitor);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void gotoMarker(IMarker marker) {
+		List<?> targetObjects = markerHelper.getTargetObjects(editingDomain, marker);
+		if (!targetObjects.isEmpty()) {
+			setSelectionToViewer(targetObjects);
+		}
+	}
+
+	/**
+	 * This is called during startup.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void init(IEditorSite site, IEditorInput editorInput) {
+		setSite(site);
+		setInputWithNotify(editorInput);
+		setPartName(editorInput.getName());
+		site.setSelectionProvider(this);
+		site.getPage().addPartListener(partListener);
+		ResourcesPlugin.getWorkspace().addResourceChangeListener(resourceChangeListener, IResourceChangeEvent.POST_CHANGE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void setFocus() {
+		if (currentViewerPane != null) {
+			currentViewerPane.setFocus();
+		}
+		else {
+			getControl(getActivePage()).setFocus();
+		}
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void addSelectionChangedListener(ISelectionChangedListener listener) {
+		selectionChangedListeners.add(listener);
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider}.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void removeSelectionChangedListener(ISelectionChangedListener listener) {
+		selectionChangedListeners.remove(listener);
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to return this editor's overall selection.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public ISelection getSelection() {
+		return editorSelection;
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.viewers.ISelectionProvider} to set this editor's overall selection.
+	 * Calling this result will notify the listeners.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setSelection(ISelection selection) {
+		editorSelection = selection;
+
+		for (ISelectionChangedListener listener : selectionChangedListeners) {
+			listener.selectionChanged(new SelectionChangedEvent(this, selection));
+		}
+		setStatusLineManager(selection);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setStatusLineManager(ISelection selection) {
+		IStatusLineManager statusLineManager = currentViewer != null && currentViewer == contentOutlineViewer ?
+			contentOutlineStatusLineManager : getActionBars().getStatusLineManager();
+
+		if (statusLineManager != null) {
+			if (selection instanceof IStructuredSelection) {
+				Collection<?> collection = ((IStructuredSelection)selection).toList();
+				switch (collection.size()) {
+					case 0: {
+						statusLineManager.setMessage(getString("_UI_NoObjectSelected"));
+						break;
+					}
+					case 1: {
+						String text = new AdapterFactoryItemDelegator(adapterFactory).getText(collection.iterator().next());
+						statusLineManager.setMessage(getString("_UI_SingleObjectSelected", text));
+						break;
+					}
+					default: {
+						statusLineManager.setMessage(getString("_UI_MultiObjectSelected", Integer.toString(collection.size())));
+						break;
+					}
+				}
+			}
+			else {
+				statusLineManager.setMessage("");
+			}
+		}
+	}
+
+	/**
+	 * This looks up a string in the plugin's plugin.properties file.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static String getString(String key) {
+		return NestedconstraintmodelEditorPlugin.INSTANCE.getString(key);
+	}
+
+	/**
+	 * This looks up a string in plugin.properties, making a substitution.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static String getString(String key, Object s1) {
+		return NestedconstraintmodelEditorPlugin.INSTANCE.getString(key, new Object [] { s1 });
+	}
+
+	/**
+	 * This implements {@link org.eclipse.jface.action.IMenuListener} to help fill the context menus with contributions from the Edit menu.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void menuAboutToShow(IMenuManager menuManager) {
+		((IMenuListener)getEditorSite().getActionBarContributor()).menuAboutToShow(menuManager);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EditingDomainActionBarContributor getActionBarContributor() {
+		return (EditingDomainActionBarContributor)getEditorSite().getActionBarContributor();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IActionBars getActionBars() {
+		return getActionBarContributor().getActionBars();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public AdapterFactory getAdapterFactory() {
+		return adapterFactory;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void dispose() {
+		updateProblemIndication = false;
+
+		ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceChangeListener);
+
+		getSite().getPage().removePartListener(partListener);
+
+		adapterFactory.dispose();
+
+		if (getActionBarContributor().getActiveEditor() == this) {
+			getActionBarContributor().setActiveEditor(null);
+		}
+
+		for (PropertySheetPage propertySheetPage : propertySheetPages) {
+			propertySheetPage.dispose();
+		}
+
+		if (contentOutlinePage != null) {
+			contentOutlinePage.dispose();
+		}
+
+		super.dispose();
+	}
+
+	/**
+	 * Returns whether the outline view should be presented to the user.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected boolean showOutlineView() {
+		return true;
+	}
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedconstraintmodel/presentation/NestedconstraintmodelEditorPlugin.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedconstraintmodel/presentation/NestedconstraintmodelEditorPlugin.java
new file mode 100644
index 0000000..cb7d8c3
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedconstraintmodel/presentation/NestedconstraintmodelEditorPlugin.java
@@ -0,0 +1,91 @@
+/**
+ */
+package nestedconstraintmodel.presentation;
+
+import org.eclipse.emf.common.EMFPlugin;
+
+import org.eclipse.emf.common.ui.EclipseUIPlugin;
+
+import org.eclipse.emf.common.util.ResourceLocator;
+
+/**
+ * This is the central singleton for the Nestedconstraintmodel editor plugin.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public final class NestedconstraintmodelEditorPlugin extends EMFPlugin {
+	/**
+	 * Keep track of the singleton.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final NestedconstraintmodelEditorPlugin INSTANCE = new NestedconstraintmodelEditorPlugin();
+	
+	/**
+	 * Keep track of the singleton.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static Implementation plugin;
+
+	/**
+	 * Create the instance.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconstraintmodelEditorPlugin() {
+		super
+			(new ResourceLocator [] {
+			});
+	}
+
+	/**
+	 * Returns the singleton instance of the Eclipse plugin.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the singleton instance.
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getPluginResourceLocator() {
+		return plugin;
+	}
+	
+	/**
+	 * Returns the singleton instance of the Eclipse plugin.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the singleton instance.
+	 * @generated
+	 */
+	public static Implementation getPlugin() {
+		return plugin;
+	}
+	
+	/**
+	 * The actual implementation of the Eclipse <b>Plugin</b>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static class Implementation extends EclipseUIPlugin {
+		/**
+		 * Creates an instance.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public Implementation() {
+			super();
+	
+			// Remember the static instance.
+			//
+			plugin = this;
+		}
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedconstraintmodel/presentation/NestedconstraintmodelModelWizard.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedconstraintmodel/presentation/NestedconstraintmodelModelWizard.java
new file mode 100644
index 0000000..5fa36ba
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model.editor/src/nestedconstraintmodel/presentation/NestedconstraintmodelModelWizard.java
@@ -0,0 +1,628 @@
+/**
+ */
+package nestedconstraintmodel.presentation;
+
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.MissingResourceException;
+import java.util.StringTokenizer;
+
+import org.eclipse.emf.common.CommonPlugin;
+
+import org.eclipse.emf.common.util.URI;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EClassifier;
+
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+import org.eclipse.emf.ecore.xmi.XMLResource;
+
+import org.eclipse.emf.edit.ui.provider.ExtendedImageRegistry;
+
+import org.eclipse.core.resources.IContainer;
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IFolder;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.ResourcesPlugin;
+
+import org.eclipse.core.runtime.IProgressMonitor;
+
+import org.eclipse.jface.dialogs.MessageDialog;
+
+import org.eclipse.jface.viewers.IStructuredSelection;
+
+import org.eclipse.jface.wizard.Wizard;
+import org.eclipse.jface.wizard.WizardPage;
+
+import org.eclipse.swt.SWT;
+
+import org.eclipse.swt.events.ModifyListener;
+import org.eclipse.swt.events.ModifyEvent;
+
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+
+import org.eclipse.swt.widgets.Combo;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+
+import org.eclipse.ui.INewWizard;
+import org.eclipse.ui.IWorkbench;
+
+import org.eclipse.ui.actions.WorkspaceModifyOperation;
+
+import org.eclipse.ui.dialogs.WizardNewFileCreationPage;
+
+import org.eclipse.ui.part.FileEditorInput;
+import org.eclipse.ui.part.ISetSelectionTarget;
+
+import nestedconstraintmodel.NestedconstraintmodelFactory;
+import nestedconstraintmodel.NestedconstraintmodelPackage;
+import nestedconstraintmodel.provider.NestedconstraintmodelEditPlugin;
+
+
+import org.eclipse.core.runtime.Path;
+
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+
+import org.eclipse.ui.IWorkbenchPage;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PartInitException;
+
+
+/**
+ * This is a simple wizard for creating a new model file.
+ * <!-- begin-user-doc -->
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedconstraintmodelModelWizard extends Wizard implements INewWizard {
+	/**
+	 * The supported extensions for created files.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final List<String> FILE_EXTENSIONS =
+		Collections.unmodifiableList(Arrays.asList(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconstraintmodelEditorFilenameExtensions").split("\\s*,\\s*")));
+
+	/**
+	 * A formatted list of supported file extensions, suitable for display.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final String FORMATTED_FILE_EXTENSIONS =
+		NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconstraintmodelEditorFilenameExtensions").replaceAll("\\s*,\\s*", ", ");
+
+	/**
+	 * This caches an instance of the model package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedconstraintmodelPackage nestedconstraintmodelPackage = NestedconstraintmodelPackage.eINSTANCE;
+
+	/**
+	 * This caches an instance of the model factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedconstraintmodelFactory nestedconstraintmodelFactory = nestedconstraintmodelPackage.getNestedconstraintmodelFactory();
+
+	/**
+	 * This is the file creation page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedconstraintmodelModelWizardNewFileCreationPage newFileCreationPage;
+
+	/**
+	 * This is the initial object creation page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedconstraintmodelModelWizardInitialObjectCreationPage initialObjectCreationPage;
+
+	/**
+	 * Remember the selection during initialization for populating the default container.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IStructuredSelection selection;
+
+	/**
+	 * Remember the workbench during initialization.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected IWorkbench workbench;
+
+	/**
+	 * Caches the names of the types that can be created as the root object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected List<String> initialObjectNames;
+
+	/**
+	 * This just records the information.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void init(IWorkbench workbench, IStructuredSelection selection) {
+		this.workbench = workbench;
+		this.selection = selection;
+		setWindowTitle(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_Wizard_label"));
+		setDefaultPageImageDescriptor(ExtendedImageRegistry.INSTANCE.getImageDescriptor(NestedconstraintmodelEditorPlugin.INSTANCE.getImage("full/wizban/NewNestedconstraintmodel")));
+	}
+
+	/**
+	 * Returns the names of the types that can be created as the root object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected Collection<String> getInitialObjectNames() {
+		if (initialObjectNames == null) {
+			initialObjectNames = new ArrayList<String>();
+			for (EClassifier eClassifier : nestedconstraintmodelPackage.getEClassifiers()) {
+				if (eClassifier instanceof EClass) {
+					EClass eClass = (EClass)eClassifier;
+					if (!eClass.isAbstract()) {
+						initialObjectNames.add(eClass.getName());
+					}
+				}
+			}
+			Collections.sort(initialObjectNames, CommonPlugin.INSTANCE.getComparator());
+		}
+		return initialObjectNames;
+	}
+
+	/**
+	 * Create a new model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected EObject createInitialModel() {
+		EClass eClass = (EClass)nestedconstraintmodelPackage.getEClassifier(initialObjectCreationPage.getInitialObjectName());
+		EObject rootObject = nestedconstraintmodelFactory.create(eClass);
+		return rootObject;
+	}
+
+	/**
+	 * Do the work after everything is specified.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean performFinish() {
+		try {
+			// Remember the file.
+			//
+			final IFile modelFile = getModelFile();
+
+			// Do the work within an operation.
+			//
+			WorkspaceModifyOperation operation =
+				new WorkspaceModifyOperation() {
+					@Override
+					protected void execute(IProgressMonitor progressMonitor) {
+						try {
+							// Create a resource set
+							//
+							ResourceSet resourceSet = new ResourceSetImpl();
+
+							// Get the URI of the model file.
+							//
+							URI fileURI = URI.createPlatformResourceURI(modelFile.getFullPath().toString(), true);
+
+							// Create a resource for this file.
+							//
+							Resource resource = resourceSet.createResource(fileURI);
+
+							// Add the initial model object to the contents.
+							//
+							EObject rootObject = createInitialModel();
+							if (rootObject != null) {
+								resource.getContents().add(rootObject);
+							}
+
+							// Save the contents of the resource to the file system.
+							//
+							Map<Object, Object> options = new HashMap<Object, Object>();
+							options.put(XMLResource.OPTION_ENCODING, initialObjectCreationPage.getEncoding());
+							resource.save(options);
+						}
+						catch (Exception exception) {
+							NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+						}
+						finally {
+							progressMonitor.done();
+						}
+					}
+				};
+
+			getContainer().run(false, false, operation);
+
+			// Select the new file resource in the current view.
+			//
+			IWorkbenchWindow workbenchWindow = workbench.getActiveWorkbenchWindow();
+			IWorkbenchPage page = workbenchWindow.getActivePage();
+			final IWorkbenchPart activePart = page.getActivePart();
+			if (activePart instanceof ISetSelectionTarget) {
+				final ISelection targetSelection = new StructuredSelection(modelFile);
+				getShell().getDisplay().asyncExec
+					(new Runnable() {
+						 public void run() {
+							 ((ISetSelectionTarget)activePart).selectReveal(targetSelection);
+						 }
+					 });
+			}
+
+			// Open an editor on the new file.
+			//
+			try {
+				page.openEditor
+					(new FileEditorInput(modelFile),
+					 workbench.getEditorRegistry().getDefaultEditor(modelFile.getFullPath().toString()).getId());					 	 
+			}
+			catch (PartInitException exception) {
+				MessageDialog.openError(workbenchWindow.getShell(), NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_OpenEditorError_label"), exception.getMessage());
+				return false;
+			}
+
+			return true;
+		}
+		catch (Exception exception) {
+			NestedconstraintmodelEditorPlugin.INSTANCE.log(exception);
+			return false;
+		}
+	}
+
+	/**
+	 * This is the one page of the wizard.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public class NestedconstraintmodelModelWizardNewFileCreationPage extends WizardNewFileCreationPage {
+		/**
+		 * Pass in the selection.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public NestedconstraintmodelModelWizardNewFileCreationPage(String pageId, IStructuredSelection selection) {
+			super(pageId, selection);
+		}
+
+		/**
+		 * The framework calls this to see if the file is correct.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		protected boolean validatePage() {
+			if (super.validatePage()) {
+				String extension = new Path(getFileName()).getFileExtension();
+				if (extension == null || !FILE_EXTENSIONS.contains(extension)) {
+					String key = FILE_EXTENSIONS.size() > 1 ? "_WARN_FilenameExtensions" : "_WARN_FilenameExtension";
+					setErrorMessage(NestedconstraintmodelEditorPlugin.INSTANCE.getString(key, new Object [] { FORMATTED_FILE_EXTENSIONS }));
+					return false;
+				}
+				return true;
+			}
+			return false;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public IFile getModelFile() {
+			return ResourcesPlugin.getWorkspace().getRoot().getFile(getContainerFullPath().append(getFileName()));
+		}
+	}
+
+	/**
+	 * This is the page where the type of object to create is selected.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public class NestedconstraintmodelModelWizardInitialObjectCreationPage extends WizardPage {
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected Combo initialObjectField;
+
+		/**
+		 * @generated
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 */
+		protected List<String> encodings;
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected Combo encodingField;
+
+		/**
+		 * Pass in the selection.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public NestedconstraintmodelModelWizardInitialObjectCreationPage(String pageId) {
+			super(pageId);
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public void createControl(Composite parent) {
+			Composite composite = new Composite(parent, SWT.NONE);
+			{
+				GridLayout layout = new GridLayout();
+				layout.numColumns = 1;
+				layout.verticalSpacing = 12;
+				composite.setLayout(layout);
+
+				GridData data = new GridData();
+				data.verticalAlignment = GridData.FILL;
+				data.grabExcessVerticalSpace = true;
+				data.horizontalAlignment = GridData.FILL;
+				composite.setLayoutData(data);
+			}
+
+			Label containerLabel = new Label(composite, SWT.LEFT);
+			{
+				containerLabel.setText(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_ModelObject"));
+
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				containerLabel.setLayoutData(data);
+			}
+
+			initialObjectField = new Combo(composite, SWT.BORDER);
+			{
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				data.grabExcessHorizontalSpace = true;
+				initialObjectField.setLayoutData(data);
+			}
+
+			for (String objectName : getInitialObjectNames()) {
+				initialObjectField.add(getLabel(objectName));
+			}
+
+			if (initialObjectField.getItemCount() == 1) {
+				initialObjectField.select(0);
+			}
+			initialObjectField.addModifyListener(validator);
+
+			Label encodingLabel = new Label(composite, SWT.LEFT);
+			{
+				encodingLabel.setText(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_XMLEncoding"));
+
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				encodingLabel.setLayoutData(data);
+			}
+			encodingField = new Combo(composite, SWT.BORDER);
+			{
+				GridData data = new GridData();
+				data.horizontalAlignment = GridData.FILL;
+				data.grabExcessHorizontalSpace = true;
+				encodingField.setLayoutData(data);
+			}
+
+			for (String encoding : getEncodings()) {
+				encodingField.add(encoding);
+			}
+
+			encodingField.select(0);
+			encodingField.addModifyListener(validator);
+
+			setPageComplete(validatePage());
+			setControl(composite);
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected ModifyListener validator =
+			new ModifyListener() {
+				public void modifyText(ModifyEvent e) {
+					setPageComplete(validatePage());
+				}
+			};
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected boolean validatePage() {
+			return getInitialObjectName() != null && getEncodings().contains(encodingField.getText());
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		@Override
+		public void setVisible(boolean visible) {
+			super.setVisible(visible);
+			if (visible) {
+				if (initialObjectField.getItemCount() == 1) {
+					initialObjectField.clearSelection();
+					encodingField.setFocus();
+				}
+				else {
+					encodingField.clearSelection();
+					initialObjectField.setFocus();
+				}
+			}
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public String getInitialObjectName() {
+			String label = initialObjectField.getText();
+
+			for (String name : getInitialObjectNames()) {
+				if (getLabel(name).equals(label)) {
+					return name;
+				}
+			}
+			return null;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		public String getEncoding() {
+			return encodingField.getText();
+		}
+
+		/**
+		 * Returns the label for the specified type name.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected String getLabel(String typeName) {
+			try {
+				return NestedconstraintmodelEditPlugin.INSTANCE.getString("_UI_" + typeName + "_type");
+			}
+			catch(MissingResourceException mre) {
+				NestedconstraintmodelEditorPlugin.INSTANCE.log(mre);
+			}
+			return typeName;
+		}
+
+		/**
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		protected Collection<String> getEncodings() {
+			if (encodings == null) {
+				encodings = new ArrayList<String>();
+				for (StringTokenizer stringTokenizer = new StringTokenizer(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_XMLEncodingChoices")); stringTokenizer.hasMoreTokens(); ) {
+					encodings.add(stringTokenizer.nextToken());
+				}
+			}
+			return encodings;
+		}
+	}
+
+	/**
+	 * The framework calls this to create the contents of the wizard.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+		@Override
+	public void addPages() {
+		// Create a page, set the title, and the initial model file name.
+		//
+		newFileCreationPage = new NestedconstraintmodelModelWizardNewFileCreationPage("Whatever", selection);
+		newFileCreationPage.setTitle(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconstraintmodelModelWizard_label"));
+		newFileCreationPage.setDescription(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconstraintmodelModelWizard_description"));
+		newFileCreationPage.setFileName(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconstraintmodelEditorFilenameDefaultBase") + "." + FILE_EXTENSIONS.get(0));
+		addPage(newFileCreationPage);
+
+		// Try and get the resource selection to determine a current directory for the file dialog.
+		//
+		if (selection != null && !selection.isEmpty()) {
+			// Get the resource...
+			//
+			Object selectedElement = selection.iterator().next();
+			if (selectedElement instanceof IResource) {
+				// Get the resource parent, if its a file.
+				//
+				IResource selectedResource = (IResource)selectedElement;
+				if (selectedResource.getType() == IResource.FILE) {
+					selectedResource = selectedResource.getParent();
+				}
+
+				// This gives us a directory...
+				//
+				if (selectedResource instanceof IFolder || selectedResource instanceof IProject) {
+					// Set this for the container.
+					//
+					newFileCreationPage.setContainerFullPath(selectedResource.getFullPath());
+
+					// Make up a unique new name here.
+					//
+					String defaultModelBaseFilename = NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconstraintmodelEditorFilenameDefaultBase");
+					String defaultModelFilenameExtension = FILE_EXTENSIONS.get(0);
+					String modelFilename = defaultModelBaseFilename + "." + defaultModelFilenameExtension;
+					for (int i = 1; ((IContainer)selectedResource).findMember(modelFilename) != null; ++i) {
+						modelFilename = defaultModelBaseFilename + i + "." + defaultModelFilenameExtension;
+					}
+					newFileCreationPage.setFileName(modelFilename);
+				}
+			}
+		}
+		initialObjectCreationPage = new NestedconstraintmodelModelWizardInitialObjectCreationPage("Whatever2");
+		initialObjectCreationPage.setTitle(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_NestedconstraintmodelModelWizard_label"));
+		initialObjectCreationPage.setDescription(NestedconstraintmodelEditorPlugin.INSTANCE.getString("_UI_Wizard_initial_object_description"));
+		addPage(initialObjectCreationPage);
+	}
+
+	/**
+	 * Get the file from the page.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public IFile getModelFile() {
+		return newFileCreationPage.getModelFile();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/.classpath b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/.classpath
new file mode 100644
index 0000000..eca7bdb
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/.project b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/.project
new file mode 100644
index 0000000..b3c52f8
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>de.unimarburg.swt.ocl2ac.model</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/META-INF/MANIFEST.MF b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..155d7d5
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/META-INF/MANIFEST.MF
@@ -0,0 +1,38 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: %pluginName
+Bundle-SymbolicName: de.unimarburg.swt.ocl2ac.model;singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-ClassPath: .
+Bundle-Vendor: %providerName
+Bundle-Localization: plugin
+Bundle-Activator: de.unimarburg.swt.ocl2ac.model.Activator
+Require-Bundle: org.eclipse.ui,
+ org.eclipse.core.runtime,
+ org.eclipse.emf.ecore;visibility:=reexport,
+ de.unimarburg.swt.ocl2ac.model;visibility:=reexport,
+ org.eclipse.core.resources;bundle-version="3.11.1",
+ org.eclipse.emf.ecore.editor;bundle-version="2.12.0"
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Export-Package: compactconditionmodel,
+ compactconditionmodel.impl,
+ compactconditionmodel.util,
+ graph,
+ graph.impl,
+ graph.util,
+ graph.util.extensions,
+ laxcondition,
+ laxcondition.impl,
+ laxcondition.util,
+ laxcondition.util.extensions,
+ morphisms,
+ morphisms.impl,
+ morphisms.util,
+ nestedcondition,
+ nestedcondition.impl,
+ nestedcondition.util,
+ nestedcondition.util.extensions,
+ nestedconstraintmodel,
+ nestedconstraintmodel.impl,
+ nestedconstraintmodel.util
+Bundle-ActivationPolicy: lazy
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/build.properties b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/build.properties
new file mode 100644
index 0000000..4465407
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/build.properties
@@ -0,0 +1,10 @@
+#
+
+bin.includes = .,\
+               model/,\
+               META-INF/,\
+               plugin.xml,\
+               plugin.properties
+jars.compile.order = .
+source.. = src/
+output.. = bin/
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/CompactCondition.ecore b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/CompactCondition.ecore
new file mode 100644
index 0000000..6f81efc
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/CompactCondition.ecore
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ecore:EPackage xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="compactconditionmodel" nsURI="http://www.example.org/CompactConditionModel"
+    nsPrefix="compactconditionmodel">
+  <eClassifiers xsi:type="ecore:EClass" name="CompactConditionModel">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="compactconditions" upperBound="-1"
+        eType="ecore:EClass ../../de.unimarburg.swt.laxcondition/model/laxcondition.ecore#//Condition"
+        containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="typeGraph" lowerBound="1"
+        eType="ecore:EClass http://www.eclipse.org/emf/2002/Ecore#//EPackage"/>
+  </eClassifiers>
+</ecore:EPackage>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/graph.ecore b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/graph.ecore
new file mode 100644
index 0000000..3ba57e0
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/graph.ecore
@@ -0,0 +1,62 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ecore:EPackage xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="graph" nsURI="http://www.example.org/graph" nsPrefix="graph">
+  <eAnnotations source="http://www.eclipse.org/OCL/Import">
+    <details key="ecore" value="http://www.eclipse.org/emf/2002/Ecore"/>
+  </eAnnotations>
+  <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+    <details key="invocationDelegates" value="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot"/>
+    <details key="settingDelegates" value="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot"/>
+    <details key="validationDelegates" value="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot"/>
+  </eAnnotations>
+  <eClassifiers xsi:type="ecore:EClass" name="Graph">
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+      <details key="constraints" value="CorrectlyTypedNodes"/>
+    </eAnnotations>
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot">
+      <details key="CorrectlyTypedNodes" value="self.nodes -> forAll(node | self.typegraph.eClassifiers -> includes(node.type))"/>
+    </eAnnotations>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="edges" upperBound="-1"
+        eType="#//Edge" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="nodes" upperBound="-1"
+        eType="#//Node" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="typegraph" lowerBound="1"
+        eType="ecore:EClass http://www.eclipse.org/emf/2002/Ecore#//EPackage"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Node">
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+      <details key="constraints" value="CorrectlyTypedAttributes"/>
+    </eAnnotations>
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot">
+      <details key="CorrectlyTypedAttributes" value="self.attributes -> forAll(attr | self.type.eAllAttributes -> includes(attr.type))"/>
+    </eAnnotations>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="attributes" upperBound="-1"
+        eType="#//Attribute" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="outgoing" upperBound="-1"
+        eType="#//Edge" eOpposite="#//Edge/source"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="incoming" upperBound="-1"
+        eType="#//Edge" eOpposite="#//Edge/target"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="type" lowerBound="1" eType="ecore:EClass http://www.eclipse.org/emf/2002/Ecore#//EClass"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Edge">
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+      <details key="constraints" value="CorrectlyTypedEdgesSourceNode CorrectlyTypedEdgesTargetNode"/>
+    </eAnnotations>
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot">
+      <details key="CorrectlyTypedEdgesSourceNode" value="self.source.type.eAllReferences -> includes(self.type)"/>
+      <details key="CorrectlyTypedEdgesTargetNode" value="(self.target.type = self.type.eReferenceType) or (self.target.type.eAllSuperTypes -> includes(self.type.eReferenceType))"/>
+    </eAnnotations>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="source" lowerBound="1"
+        eType="#//Node" eOpposite="#//Node/outgoing"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="target" lowerBound="1"
+        eType="#//Node" eOpposite="#//Node/incoming"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="type" lowerBound="1" eType="ecore:EClass http://www.eclipse.org/emf/2002/Ecore#//EReference"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Attribute">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="op" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="value" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="type" lowerBound="1" eType="ecore:EClass http://www.eclipse.org/emf/2002/Ecore#//EAttribute"/>
+  </eClassifiers>
+</ecore:EPackage>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/laxcondition.ecore b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/laxcondition.ecore
new file mode 100644
index 0000000..0f9df76
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/laxcondition.ecore
@@ -0,0 +1,76 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ecore:EPackage xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="laxcondition" nsURI="http://www.example.org/laxcondition" nsPrefix="laxcondition">
+  <eAnnotations source="http://www.eclipse.org/OCL/Import">
+    <details key="ecore" value="http://www.eclipse.org/emf/2002/Ecore"/>
+    <details key="graph_0" value="graph.ecore#/"/>
+  </eAnnotations>
+  <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+    <details key="invocationDelegates" value="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot"/>
+    <details key="settingDelegates" value="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot"/>
+    <details key="validationDelegates" value="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot"/>
+  </eAnnotations>
+  <eClassifiers xsi:type="ecore:EClass" name="Condition">
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+      <details key="constraints" value="TypeGraphConsistency"/>
+    </eAnnotations>
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot">
+      <details key="TypeGraphConsistency" value="graph_0::Graph.allInstances() -> forAll(g|g.typegraph = self.typeGraph)"/>
+    </eAnnotations>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="typeGraph" lowerBound="1"
+        eType="ecore:EClass http://www.eclipse.org/emf/2002/Ecore#//EPackage"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="laxCondition" lowerBound="1"
+        eType="#//LaxCondition" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="LaxCondition" abstract="true">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="formula" eType="#//Formula"
+        eOpposite="#//Formula/arguments"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="QuantifiedLaxCondition" eSuperTypes="#//LaxCondition">
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+      <details key="constraints" value="HostGraphConsistency"/>
+    </eAnnotations>
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot">
+      <details key="HostGraphConsistency" value="self.graph.edges -> forAll(e|self.graph.nodes -> includes(e.source) and self.graph.nodes -> includes(e.target))"/>
+    </eAnnotations>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="graph" lowerBound="1" eType="ecore:EClass graph.ecore#//Graph"
+        containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="condition" lowerBound="1"
+        eType="#//LaxCondition" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="quantifier" lowerBound="1"
+        eType="#//Quantifier" defaultValueLiteral="EXISTS"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="variables" upperBound="-1"
+        eType="#//Variable" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="True" eSuperTypes="#//LaxCondition"/>
+  <eClassifiers xsi:type="ecore:EClass" name="Formula" eSuperTypes="#//LaxCondition">
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+      <details key="constraints" value="OneArgumentForNOT AtLeastTwoArgumentForANDOR TwoArgumentForIMPLEQUALXOR"/>
+    </eAnnotations>
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot">
+      <details key="OneArgumentForNOT" value="(self.op = Operator::NOT) implies (self.arguments -> size() = 1)"/>
+      <details key="AtLeastTwoArgumentForANDOR" value="((self.op = Operator::AND) or (self.op = Operator::OR)) implies (self.arguments -> size() > 1)"/>
+      <details key="TwoArgumentForIMPLEQUALXOR" value="((self.op = Operator::IMPLIES) or (self.op = Operator::EQUIVALENT) or (self.op = Operator::XOR)) implies (self.arguments -> size() = 2)"/>
+    </eAnnotations>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="op" lowerBound="1" eType="#//Operator"
+        defaultValueLiteral="NOT"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="arguments" lowerBound="1"
+        upperBound="-1" eType="#//LaxCondition" containment="true" eOpposite="#//LaxCondition/formula"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EEnum" name="Quantifier">
+    <eLiterals name="EXISTS"/>
+    <eLiterals name="FORALL" value="1"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EEnum" name="Operator">
+    <eLiterals name="NOT"/>
+    <eLiterals name="AND" value="1"/>
+    <eLiterals name="OR" value="2"/>
+    <eLiterals name="IMPLIES" value="3"/>
+    <eLiterals name="EQUIVALENT" value="4"/>
+    <eLiterals name="XOR" value="5"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Variable">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+  </eClassifiers>
+</ecore:EPackage>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/morphisms.ecore b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/morphisms.ecore
new file mode 100644
index 0000000..fcce3a1
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/morphisms.ecore
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ecore:EPackage xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="morphisms" nsURI="http://www.example.org/morphisms" nsPrefix="morphisms">
+  <eAnnotations source="http://www.eclipse.org/OCL/Import">
+    <details key="graph" value="graph.ecore#/"/>
+  </eAnnotations>
+  <eClassifiers xsi:type="ecore:EClass" name="Morphism">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="domain" eType="ecore:EClass graph.ecore#//Graph"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="codomain" eType="ecore:EClass graph.ecore#//Graph"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="mappings" upperBound="-1"
+        eType="#//Mapping" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Mapping">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="origin" lowerBound="1"
+        eType="ecore:EClass graph.ecore#//Node"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="image" lowerBound="1" eType="ecore:EClass graph.ecore#//Node"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Pair">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="a" lowerBound="1" eType="#//Morphism"
+        containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="b" lowerBound="1" eType="#//Morphism"
+        containment="true"/>
+  </eClassifiers>
+</ecore:EPackage>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/morphisms.genmodel b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/morphisms.genmodel
new file mode 100644
index 0000000..f0b5b65
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/morphisms.genmodel
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<genmodel:GenModel xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore"
+    xmlns:genmodel="http://www.eclipse.org/emf/2002/GenModel" modelDirectory="/de.unimarburg.swt.ocl2ac.model/src" modelPluginID="de.unimarburg.swt.ocl2ac.model"
+    modelName="Morphisms" rootExtendsClass="org.eclipse.emf.ecore.impl.MinimalEObjectImpl$Container"
+    importerID="org.eclipse.emf.importer.ecore" complianceLevel="8.0" copyrightFields="false"
+    usedGenPackages="nestedconstraintmodel.genmodel#//graph" operationReflection="true"
+    importOrganizing="true">
+  <foreignModel>morphisms.ecore</foreignModel>
+  <genPackages prefix="Morphisms" disposableProviderFactory="true" ecorePackage="morphisms.ecore#/">
+    <genClasses ecoreClass="morphisms.ecore#//Morphism">
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference morphisms.ecore#//Morphism/domain"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference morphisms.ecore#//Morphism/codomain"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference morphisms.ecore#//Morphism/mappings"/>
+    </genClasses>
+    <genClasses ecoreClass="morphisms.ecore#//Mapping">
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference morphisms.ecore#//Mapping/origin"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference morphisms.ecore#//Mapping/image"/>
+    </genClasses>
+    <genClasses ecoreClass="morphisms.ecore#//Pair">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference morphisms.ecore#//Pair/a"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference morphisms.ecore#//Pair/b"/>
+    </genClasses>
+  </genPackages>
+</genmodel:GenModel>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/nestedcondition.ecore b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/nestedcondition.ecore
new file mode 100644
index 0000000..135002f
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/nestedcondition.ecore
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ecore:EPackage xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="nestedcondition" nsURI="http://www.example.org/nestedcondition"
+    nsPrefix="nestedcondition">
+  <eAnnotations source="http://www.eclipse.org/OCL/Import">
+    <details key="ecore" value="http://www.eclipse.org/emf/2002/Ecore#/"/>
+    <details key="graph" value="graph.ecore#/"/>
+    <details key="laxcondition" value="laxcondition.ecore#/"/>
+  </eAnnotations>
+  <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+    <details key="invocationDelegates" value="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot"/>
+    <details key="settingDelegates" value="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot"/>
+    <details key="validationDelegates" value="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot"/>
+  </eAnnotations>
+  <eClassifiers xsi:type="ecore:EClass" name="NestedConstraint">
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+      <details key="constraints" value="ConstraintDomainIsEmpty RootConditionDomainIsConatraintDomain TypeGraphConsistency HostGraphConsistency"/>
+    </eAnnotations>
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot">
+      <details key="ConstraintDomainIsEmpty" value="self.domain.nodes -> isEmpty() and self.domain.edges -> isEmpty()"/>
+      <details key="RootConditionDomainIsConatraintDomain" value="self.condition.domain = self.domain"/>
+      <details key="TypeGraphConsistency" value="graph::Graph.allInstances() -> forAll(g|g.typegraph = self.typeGraph)"/>
+      <details key="HostGraphConsistency" value="graph::Graph.allInstances() -> forAll(g|g.edges -> forAll(e|g.nodes -> includes(e.source) and g.nodes -> includes(e.target)))"/>
+    </eAnnotations>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="typeGraph" lowerBound="1"
+        eType="ecore:EClass http://www.eclipse.org/emf/2002/Ecore#//EPackage"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="condition" lowerBound="1"
+        eType="#//NestedCondition" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="domain" lowerBound="1"
+        eType="ecore:EClass graph.ecore#//Graph" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="NestedCondition" abstract="true">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="variables" upperBound="-1"
+        eType="#//Variable" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="domain" lowerBound="1"
+        eType="ecore:EClass graph.ecore#//Graph"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Variable">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="QuantifiedCondition" eSuperTypes="#//NestedCondition">
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+      <details key="constraints" value="NestedDomainIsCoDomain MorphismIsFromDomainToCoDomain"/>
+    </eAnnotations>
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot">
+      <details key="NestedDomainIsCoDomain" value="self.condition.domain = self.codomain"/>
+      <details key="MorphismIsFromDomainToCoDomain" value="self.morphism.from = self.domain and self.morphism.to = self.codomain"/>
+    </eAnnotations>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="quantifier" eType="ecore:EEnum laxcondition.ecore#//Quantifier"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="condition" lowerBound="1"
+        eType="#//NestedCondition" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="morphism" lowerBound="1"
+        eType="#//Morphism" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="codomain" lowerBound="1"
+        eType="ecore:EClass graph.ecore#//Graph" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="True" eSuperTypes="#//NestedCondition"/>
+  <eClassifiers xsi:type="ecore:EClass" name="Formula" eSuperTypes="#//NestedCondition">
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+      <details key="constraints" value="ArgumentsDomainConsistency OneArgumentForNOT AtLeastTwoArgumentForANDOR TwoArgumentForIMPLEQUALXOR"/>
+    </eAnnotations>
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot">
+      <details key="ArgumentsDomainConsistency" value="self.arguments -> forAll(cond|cond.domain = self.domain)"/>
+      <details key="OneArgumentForNOT" value="(self.operator = laxcondition::Operator::NOT) implies (self.arguments -> size() = 1)"/>
+      <details key="AtLeastTwoArgumentForANDOR" value="((self.operator = laxcondition::Operator::AND) or (self.operator = laxcondition::Operator::OR)) implies (self.arguments -> size() > 1)"/>
+      <details key="TwoArgumentForIMPLEQUALXOR" value="((self.operator = laxcondition::Operator::IMPLIES) or (self.operator = laxcondition::Operator::EQUIVALENT) or (self.operator = laxcondition::Operator::XOR)) implies (self.arguments -> size() = 2)"/>
+    </eAnnotations>
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="operator" eType="ecore:EEnum laxcondition.ecore#//Operator"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="arguments" lowerBound="1"
+        upperBound="-1" eType="#//NestedCondition" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="Morphism">
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore">
+      <details key="constraints" value="NodeMappingIsFromDomainToCoDomain EdgeMappingIsFromDomainToCoDomain EdgeMappingConsistency"/>
+    </eAnnotations>
+    <eAnnotations source="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot">
+      <details key="NodeMappingIsFromDomainToCoDomain" value="self.nodeMappings -> forAll(m|self.from.nodes -> includes(m.origin) and self.to.nodes -> includes(m.image))"/>
+      <details key="EdgeMappingIsFromDomainToCoDomain" value="self.edgeMappings -> forAll(m|self.from.edges -> includes(m.origin) and self.to.edges -> includes(m.image))"/>
+      <details key="EdgeMappingConsistency" value="self.edgeMappings -> forAll(em|self.nodeMappings -> exists(nm|nm.origin = em.origin.source and nm.image = em.image.source) and self.nodeMappings -> exists(nm|nm.origin = em.origin.target and nm.image = em.image.target))"/>
+    </eAnnotations>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="nodeMappings" upperBound="-1"
+        eType="#//NodeMapping" containment="true"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="from" lowerBound="1" eType="ecore:EClass graph.ecore#//Graph"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="to" lowerBound="1" eType="ecore:EClass graph.ecore#//Graph"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="edgeMappings" upperBound="-1"
+        eType="#//EdgeMapping" containment="true"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="NodeMapping">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="origin" lowerBound="1"
+        eType="ecore:EClass graph.ecore#//Node"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="image" lowerBound="1" eType="ecore:EClass graph.ecore#//Node"/>
+  </eClassifiers>
+  <eClassifiers xsi:type="ecore:EClass" name="EdgeMapping">
+    <eStructuralFeatures xsi:type="ecore:EReference" name="origin" lowerBound="1"
+        eType="ecore:EClass graph.ecore#//Edge"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="image" lowerBound="1" eType="ecore:EClass graph.ecore#//Edge"/>
+  </eClassifiers>
+</ecore:EPackage>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/nestedconstraintmodel.ecore b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/nestedconstraintmodel.ecore
new file mode 100644
index 0000000..6379365
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/nestedconstraintmodel.ecore
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ecore:EPackage xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore" name="nestedconstraintmodel" nsURI="http://www.example.org/nestedconstraintmodel"
+    nsPrefix="nestedconstraintmodel">
+  <eClassifiers xsi:type="ecore:EClass" name="NestedConstraintModel">
+    <eStructuralFeatures xsi:type="ecore:EAttribute" name="name" eType="ecore:EDataType http://www.eclipse.org/emf/2002/Ecore#//EString"/>
+    <eStructuralFeatures xsi:type="ecore:EReference" name="nestedconstrainmodels"
+        upperBound="-1" eType="ecore:EClass nestedcondition.ecore#//NestedConstraint"
+        containment="true"/>
+  </eClassifiers>
+</ecore:EPackage>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/nestedconstraintmodel.genmodel b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/nestedconstraintmodel.genmodel
new file mode 100644
index 0000000..902eb1f
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/model/nestedconstraintmodel.genmodel
@@ -0,0 +1,115 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<genmodel:GenModel xmi:version="2.0" xmlns:xmi="http://www.omg.org/XMI" xmlns:ecore="http://www.eclipse.org/emf/2002/Ecore"
+    xmlns:genmodel="http://www.eclipse.org/emf/2002/GenModel" modelDirectory="/de.unimarburg.swt.ocl2ac.model/src" modelPluginID="de.unimarburg.swt.ocl2ac.model"
+    modelName="Nestedconstraintmodel" rootExtendsClass="org.eclipse.emf.ecore.impl.MinimalEObjectImpl$Container"
+    importerID="org.eclipse.emf.importer.ecore" complianceLevel="8.0" copyrightFields="false"
+    operationReflection="true" importOrganizing="true">
+  <foreignModel>nestedconstraintmodel.ecore</foreignModel>
+  <genPackages prefix="Nestedconstraintmodel" disposableProviderFactory="true" ecorePackage="nestedconstraintmodel.ecore#/">
+    <genClasses ecoreClass="nestedconstraintmodel.ecore#//NestedConstraintModel">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute nestedconstraintmodel.ecore#//NestedConstraintModel/name"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference nestedconstraintmodel.ecore#//NestedConstraintModel/nestedconstrainmodels"/>
+    </genClasses>
+  </genPackages>
+  <genPackages prefix="Nestedcondition" disposableProviderFactory="true" ecorePackage="nestedcondition.ecore#/">
+    <genClasses ecoreClass="nestedcondition.ecore#//NestedConstraint">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute nestedcondition.ecore#//NestedConstraint/name"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//NestedConstraint/typeGraph"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//NestedConstraint/condition"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//NestedConstraint/domain"/>
+    </genClasses>
+    <genClasses image="false" ecoreClass="nestedcondition.ecore#//NestedCondition">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//NestedCondition/variables"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//NestedCondition/domain"/>
+    </genClasses>
+    <genClasses ecoreClass="nestedcondition.ecore#//Variable">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute nestedcondition.ecore#//Variable/name"/>
+    </genClasses>
+    <genClasses ecoreClass="nestedcondition.ecore#//QuantifiedCondition">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute nestedcondition.ecore#//QuantifiedCondition/quantifier"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//QuantifiedCondition/condition"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//QuantifiedCondition/morphism"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//QuantifiedCondition/codomain"/>
+    </genClasses>
+    <genClasses ecoreClass="nestedcondition.ecore#//True"/>
+    <genClasses ecoreClass="nestedcondition.ecore#//Formula">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute nestedcondition.ecore#//Formula/operator"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//Formula/arguments"/>
+    </genClasses>
+    <genClasses ecoreClass="nestedcondition.ecore#//Morphism">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//Morphism/nodeMappings"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//Morphism/from"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//Morphism/to"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//Morphism/edgeMappings"/>
+    </genClasses>
+    <genClasses ecoreClass="nestedcondition.ecore#//NodeMapping">
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//NodeMapping/origin"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//NodeMapping/image"/>
+    </genClasses>
+    <genClasses ecoreClass="nestedcondition.ecore#//EdgeMapping">
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//EdgeMapping/origin"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference nestedcondition.ecore#//EdgeMapping/image"/>
+    </genClasses>
+  </genPackages>
+  <genPackages prefix="Graph" disposableProviderFactory="true" ecorePackage="graph.ecore#/">
+    <genClasses ecoreClass="graph.ecore#//Graph">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference graph.ecore#//Graph/edges"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference graph.ecore#//Graph/nodes"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference graph.ecore#//Graph/typegraph"/>
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute graph.ecore#//Graph/name"/>
+    </genClasses>
+    <genClasses ecoreClass="graph.ecore#//Node">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference graph.ecore#//Node/attributes"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference graph.ecore#//Node/outgoing"/>
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute graph.ecore#//Node/name"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference graph.ecore#//Node/incoming"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference graph.ecore#//Node/type"/>
+    </genClasses>
+    <genClasses ecoreClass="graph.ecore#//Edge">
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference graph.ecore#//Edge/source"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference graph.ecore#//Edge/target"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference graph.ecore#//Edge/type"/>
+    </genClasses>
+    <genClasses ecoreClass="graph.ecore#//Attribute">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute graph.ecore#//Attribute/op"/>
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute graph.ecore#//Attribute/value"/>
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference graph.ecore#//Attribute/type"/>
+    </genClasses>
+  </genPackages>
+  <genPackages prefix="Laxcondition" disposableProviderFactory="true" ecorePackage="laxcondition.ecore#/">
+    <genEnums typeSafeEnumCompatible="false" ecoreEnum="laxcondition.ecore#//Quantifier">
+      <genEnumLiterals ecoreEnumLiteral="laxcondition.ecore#//Quantifier/EXISTS"/>
+      <genEnumLiterals ecoreEnumLiteral="laxcondition.ecore#//Quantifier/FORALL"/>
+    </genEnums>
+    <genEnums typeSafeEnumCompatible="false" ecoreEnum="laxcondition.ecore#//Operator">
+      <genEnumLiterals ecoreEnumLiteral="laxcondition.ecore#//Operator/NOT"/>
+      <genEnumLiterals ecoreEnumLiteral="laxcondition.ecore#//Operator/AND"/>
+      <genEnumLiterals ecoreEnumLiteral="laxcondition.ecore#//Operator/OR"/>
+      <genEnumLiterals ecoreEnumLiteral="laxcondition.ecore#//Operator/IMPLIES"/>
+      <genEnumLiterals ecoreEnumLiteral="laxcondition.ecore#//Operator/EQUIVALENT"/>
+      <genEnumLiterals ecoreEnumLiteral="laxcondition.ecore#//Operator/XOR"/>
+    </genEnums>
+    <genClasses ecoreClass="laxcondition.ecore#//Condition">
+      <genFeatures notify="false" createChild="false" propertySortChoices="true" ecoreFeature="ecore:EReference laxcondition.ecore#//Condition/typeGraph"/>
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute laxcondition.ecore#//Condition/name"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference laxcondition.ecore#//Condition/laxCondition"/>
+    </genClasses>
+    <genClasses image="false" ecoreClass="laxcondition.ecore#//LaxCondition">
+      <genFeatures property="None" notify="false" createChild="false" ecoreFeature="ecore:EReference laxcondition.ecore#//LaxCondition/formula"/>
+    </genClasses>
+    <genClasses ecoreClass="laxcondition.ecore#//QuantifiedLaxCondition">
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference laxcondition.ecore#//QuantifiedLaxCondition/graph"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference laxcondition.ecore#//QuantifiedLaxCondition/condition"/>
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute laxcondition.ecore#//QuantifiedLaxCondition/quantifier"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference laxcondition.ecore#//QuantifiedLaxCondition/variables"/>
+    </genClasses>
+    <genClasses ecoreClass="laxcondition.ecore#//True"/>
+    <genClasses ecoreClass="laxcondition.ecore#//Formula">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute laxcondition.ecore#//Formula/op"/>
+      <genFeatures property="None" children="true" createChild="true" ecoreFeature="ecore:EReference laxcondition.ecore#//Formula/arguments"/>
+    </genClasses>
+    <genClasses ecoreClass="laxcondition.ecore#//Variable">
+      <genFeatures createChild="false" ecoreFeature="ecore:EAttribute laxcondition.ecore#//Variable/name"/>
+    </genClasses>
+  </genPackages>
+</genmodel:GenModel>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/plugin.properties b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/plugin.properties
new file mode 100644
index 0000000..6ecc597
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/plugin.properties
@@ -0,0 +1,4 @@
+#
+
+pluginName = CompactCondition Model
+providerName = www.example.org
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/plugin.xml b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/plugin.xml
new file mode 100644
index 0000000..18decee
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/plugin.xml
@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.0"?>
+
+<!--
+-->
+
+<plugin>
+
+   <extension point="org.eclipse.emf.ecore.generated_package">
+      <!-- @generated CompactCondition -->
+      <package
+            uri="http://www.example.org/CompactConditionModel"
+            class="compactconditionmodel.CompactconditionmodelPackage"
+            genModel="model/CompactCondition.genmodel"/>
+   </extension>
+
+   <extension point="org.eclipse.emf.ecore.generated_package">
+      <!-- @generated nestedconstraintmodel -->
+      <package
+            uri="http://www.example.org/nestedconstraintmodel"
+            class="nestedconstraintmodel.NestedconstraintmodelPackage"
+            genModel="model/nestedconstraintmodel.genmodel"/>
+   </extension>
+
+   <extension point="org.eclipse.emf.ecore.generated_package">
+      <!-- @generated nestedconstraintmodel -->
+      <package
+            uri="http://www.example.org/nestedcondition"
+            class="nestedcondition.NestedconditionPackage"
+            genModel="model/nestedconstraintmodel.genmodel"/>
+   </extension>
+
+   <extension point="org.eclipse.emf.ecore.generated_package">
+      <!-- @generated nestedconstraintmodel -->
+      <package
+            uri="http://www.example.org/graph"
+            class="graph.GraphPackage"
+            genModel="model/nestedconstraintmodel.genmodel"/>
+   </extension>
+
+   <extension point="org.eclipse.emf.ecore.generated_package">
+      <!-- @generated nestedconstraintmodel -->
+      <package
+            uri="http://www.example.org/laxcondition"
+            class="laxcondition.LaxconditionPackage"
+            genModel="model/nestedconstraintmodel.genmodel"/>
+   </extension>
+   <extension point="org.eclipse.emf.ecore.generated_package">
+      <!-- @generated morphisms -->
+      <package
+            uri="http://www.example.org/morphisms"
+            class="morphisms.MorphismsPackage"
+            genModel="model/morphisms.genmodel"/>
+   </extension>
+
+</plugin>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/CompactConditionModel.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/CompactConditionModel.java
new file mode 100644
index 0000000..40c550a
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/CompactConditionModel.java
@@ -0,0 +1,99 @@
+/**
+ */
+package compactconditionmodel;
+
+import laxcondition.Condition;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Compact Condition Model</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link compactconditionmodel.CompactConditionModel#getName <em>Name</em>}</li>
+ *   <li>{@link compactconditionmodel.CompactConditionModel#getCompactconditions <em>Compactconditions</em>}</li>
+ *   <li>{@link compactconditionmodel.CompactConditionModel#getTypeGraph <em>Type Graph</em>}</li>
+ * </ul>
+ *
+ * @see compactconditionmodel.CompactconditionmodelPackage#getCompactConditionModel()
+ * @model
+ * @generated
+ */
+public interface CompactConditionModel extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see compactconditionmodel.CompactconditionmodelPackage#getCompactConditionModel_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link compactconditionmodel.CompactConditionModel#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+	/**
+	 * Returns the value of the '<em><b>Compactconditions</b></em>' containment reference list.
+	 * The list contents are of type {@link laxcondition.Condition}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Compactconditions</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Compactconditions</em>' containment reference list.
+	 * @see compactconditionmodel.CompactconditionmodelPackage#getCompactConditionModel_Compactconditions()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<Condition> getCompactconditions();
+
+	/**
+	 * Returns the value of the '<em><b>Type Graph</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Type Graph</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Type Graph</em>' reference.
+	 * @see #setTypeGraph(EPackage)
+	 * @see compactconditionmodel.CompactconditionmodelPackage#getCompactConditionModel_TypeGraph()
+	 * @model required="true"
+	 * @generated
+	 */
+	EPackage getTypeGraph();
+
+	/**
+	 * Sets the value of the '{@link compactconditionmodel.CompactConditionModel#getTypeGraph <em>Type Graph</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Type Graph</em>' reference.
+	 * @see #getTypeGraph()
+	 * @generated
+	 */
+	void setTypeGraph(EPackage value);
+
+} // CompactConditionModel
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/CompactconditionmodelFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/CompactconditionmodelFactory.java
new file mode 100644
index 0000000..cb13b8e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/CompactconditionmodelFactory.java
@@ -0,0 +1,42 @@
+/**
+ */
+package compactconditionmodel;
+
+import org.eclipse.emf.ecore.EFactory;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Factory</b> for the model.
+ * It provides a create method for each non-abstract class of the model.
+ * <!-- end-user-doc -->
+ * @see compactconditionmodel.CompactconditionmodelPackage
+ * @generated
+ */
+public interface CompactconditionmodelFactory extends EFactory {
+	/**
+	 * The singleton instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	CompactconditionmodelFactory eINSTANCE = compactconditionmodel.impl.CompactconditionmodelFactoryImpl.init();
+
+	/**
+	 * Returns a new object of class '<em>Compact Condition Model</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Compact Condition Model</em>'.
+	 * @generated
+	 */
+	CompactConditionModel createCompactConditionModel();
+
+	/**
+	 * Returns the package supported by this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the package supported by this factory.
+	 * @generated
+	 */
+	CompactconditionmodelPackage getCompactconditionmodelPackage();
+
+} //CompactconditionmodelFactory
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/CompactconditionmodelPackage.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/CompactconditionmodelPackage.java
new file mode 100644
index 0000000..5abc209
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/CompactconditionmodelPackage.java
@@ -0,0 +1,217 @@
+/**
+ */
+package compactconditionmodel;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Package</b> for the model.
+ * It contains accessors for the meta objects to represent
+ * <ul>
+ *   <li>each class,</li>
+ *   <li>each feature of each class,</li>
+ *   <li>each operation of each class,</li>
+ *   <li>each enum,</li>
+ *   <li>and each data type</li>
+ * </ul>
+ * <!-- end-user-doc -->
+ * @see compactconditionmodel.CompactconditionmodelFactory
+ * @model kind="package"
+ * @generated
+ */
+public interface CompactconditionmodelPackage extends EPackage {
+	/**
+	 * The package name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNAME = "compactconditionmodel";
+
+	/**
+	 * The package namespace URI.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_URI = "http://www.example.org/CompactConditionModel";
+
+	/**
+	 * The package namespace name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_PREFIX = "compactconditionmodel";
+
+	/**
+	 * The singleton instance of the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	CompactconditionmodelPackage eINSTANCE = compactconditionmodel.impl.CompactconditionmodelPackageImpl.init();
+
+	/**
+	 * The meta object id for the '{@link compactconditionmodel.impl.CompactConditionModelImpl <em>Compact Condition Model</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see compactconditionmodel.impl.CompactConditionModelImpl
+	 * @see compactconditionmodel.impl.CompactconditionmodelPackageImpl#getCompactConditionModel()
+	 * @generated
+	 */
+	int COMPACT_CONDITION_MODEL = 0;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int COMPACT_CONDITION_MODEL__NAME = 0;
+
+	/**
+	 * The feature id for the '<em><b>Compactconditions</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int COMPACT_CONDITION_MODEL__COMPACTCONDITIONS = 1;
+
+	/**
+	 * The feature id for the '<em><b>Type Graph</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int COMPACT_CONDITION_MODEL__TYPE_GRAPH = 2;
+
+	/**
+	 * The number of structural features of the '<em>Compact Condition Model</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int COMPACT_CONDITION_MODEL_FEATURE_COUNT = 3;
+
+	/**
+	 * The number of operations of the '<em>Compact Condition Model</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int COMPACT_CONDITION_MODEL_OPERATION_COUNT = 0;
+
+
+	/**
+	 * Returns the meta object for class '{@link compactconditionmodel.CompactConditionModel <em>Compact Condition Model</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Compact Condition Model</em>'.
+	 * @see compactconditionmodel.CompactConditionModel
+	 * @generated
+	 */
+	EClass getCompactConditionModel();
+
+	/**
+	 * Returns the meta object for the attribute '{@link compactconditionmodel.CompactConditionModel#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see compactconditionmodel.CompactConditionModel#getName()
+	 * @see #getCompactConditionModel()
+	 * @generated
+	 */
+	EAttribute getCompactConditionModel_Name();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link compactconditionmodel.CompactConditionModel#getCompactconditions <em>Compactconditions</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Compactconditions</em>'.
+	 * @see compactconditionmodel.CompactConditionModel#getCompactconditions()
+	 * @see #getCompactConditionModel()
+	 * @generated
+	 */
+	EReference getCompactConditionModel_Compactconditions();
+
+	/**
+	 * Returns the meta object for the reference '{@link compactconditionmodel.CompactConditionModel#getTypeGraph <em>Type Graph</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Type Graph</em>'.
+	 * @see compactconditionmodel.CompactConditionModel#getTypeGraph()
+	 * @see #getCompactConditionModel()
+	 * @generated
+	 */
+	EReference getCompactConditionModel_TypeGraph();
+
+	/**
+	 * Returns the factory that creates the instances of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the factory that creates the instances of the model.
+	 * @generated
+	 */
+	CompactconditionmodelFactory getCompactconditionmodelFactory();
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * Defines literals for the meta objects that represent
+	 * <ul>
+	 *   <li>each class,</li>
+	 *   <li>each feature of each class,</li>
+	 *   <li>each operation of each class,</li>
+	 *   <li>each enum,</li>
+	 *   <li>and each data type</li>
+	 * </ul>
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	interface Literals {
+		/**
+		 * The meta object literal for the '{@link compactconditionmodel.impl.CompactConditionModelImpl <em>Compact Condition Model</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see compactconditionmodel.impl.CompactConditionModelImpl
+		 * @see compactconditionmodel.impl.CompactconditionmodelPackageImpl#getCompactConditionModel()
+		 * @generated
+		 */
+		EClass COMPACT_CONDITION_MODEL = eINSTANCE.getCompactConditionModel();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute COMPACT_CONDITION_MODEL__NAME = eINSTANCE.getCompactConditionModel_Name();
+
+		/**
+		 * The meta object literal for the '<em><b>Compactconditions</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference COMPACT_CONDITION_MODEL__COMPACTCONDITIONS = eINSTANCE.getCompactConditionModel_Compactconditions();
+
+		/**
+		 * The meta object literal for the '<em><b>Type Graph</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference COMPACT_CONDITION_MODEL__TYPE_GRAPH = eINSTANCE.getCompactConditionModel_TypeGraph();
+
+	}
+
+} //CompactconditionmodelPackage
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/impl/CompactConditionModelImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/impl/CompactConditionModelImpl.java
new file mode 100644
index 0000000..88e8704
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/impl/CompactConditionModelImpl.java
@@ -0,0 +1,284 @@
+/**
+ */
+package compactconditionmodel.impl;
+
+import compactconditionmodel.CompactConditionModel;
+import compactconditionmodel.CompactconditionmodelPackage;
+
+import java.util.Collection;
+
+import laxcondition.Condition;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Compact Condition Model</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link compactconditionmodel.impl.CompactConditionModelImpl#getName <em>Name</em>}</li>
+ *   <li>{@link compactconditionmodel.impl.CompactConditionModelImpl#getCompactconditions <em>Compactconditions</em>}</li>
+ *   <li>{@link compactconditionmodel.impl.CompactConditionModelImpl#getTypeGraph <em>Type Graph</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class CompactConditionModelImpl extends MinimalEObjectImpl.Container implements CompactConditionModel {
+	/**
+	 * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final String NAME_EDEFAULT = null;
+
+	/**
+	 * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected String name = NAME_EDEFAULT;
+
+	/**
+	 * The cached value of the '{@link #getCompactconditions() <em>Compactconditions</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getCompactconditions()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Condition> compactconditions;
+
+	/**
+	 * The cached value of the '{@link #getTypeGraph() <em>Type Graph</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getTypeGraph()
+	 * @generated
+	 * @ordered
+	 */
+	protected EPackage typeGraph;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected CompactConditionModelImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return CompactconditionmodelPackage.Literals.COMPACT_CONDITION_MODEL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		String oldName = name;
+		name = newName;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__NAME, oldName, name));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Condition> getCompactconditions() {
+		if (compactconditions == null) {
+			compactconditions = new EObjectContainmentEList<Condition>(Condition.class, this, CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__COMPACTCONDITIONS);
+		}
+		return compactconditions;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EPackage getTypeGraph() {
+		if (typeGraph != null && typeGraph.eIsProxy()) {
+			InternalEObject oldTypeGraph = (InternalEObject)typeGraph;
+			typeGraph = (EPackage)eResolveProxy(oldTypeGraph);
+			if (typeGraph != oldTypeGraph) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__TYPE_GRAPH, oldTypeGraph, typeGraph));
+			}
+		}
+		return typeGraph;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EPackage basicGetTypeGraph() {
+		return typeGraph;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setTypeGraph(EPackage newTypeGraph) {
+		EPackage oldTypeGraph = typeGraph;
+		typeGraph = newTypeGraph;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__TYPE_GRAPH, oldTypeGraph, typeGraph));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__COMPACTCONDITIONS:
+				return ((InternalEList<?>)getCompactconditions()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__NAME:
+				return getName();
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__COMPACTCONDITIONS:
+				return getCompactconditions();
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__TYPE_GRAPH:
+				if (resolve) return getTypeGraph();
+				return basicGetTypeGraph();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__NAME:
+				setName((String)newValue);
+				return;
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__COMPACTCONDITIONS:
+				getCompactconditions().clear();
+				getCompactconditions().addAll((Collection<? extends Condition>)newValue);
+				return;
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__TYPE_GRAPH:
+				setTypeGraph((EPackage)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__NAME:
+				setName(NAME_EDEFAULT);
+				return;
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__COMPACTCONDITIONS:
+				getCompactconditions().clear();
+				return;
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__TYPE_GRAPH:
+				setTypeGraph((EPackage)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__NAME:
+				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__COMPACTCONDITIONS:
+				return compactconditions != null && !compactconditions.isEmpty();
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL__TYPE_GRAPH:
+				return typeGraph != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (name: ");
+		result.append(name);
+		result.append(')');
+		return result.toString();
+	}
+
+} //CompactConditionModelImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/impl/CompactconditionmodelFactoryImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/impl/CompactconditionmodelFactoryImpl.java
new file mode 100644
index 0000000..42d7032
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/impl/CompactconditionmodelFactoryImpl.java
@@ -0,0 +1,95 @@
+/**
+ */
+package compactconditionmodel.impl;
+
+import compactconditionmodel.*;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class CompactconditionmodelFactoryImpl extends EFactoryImpl implements CompactconditionmodelFactory {
+	/**
+	 * Creates the default factory implementation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static CompactconditionmodelFactory init() {
+		try {
+			CompactconditionmodelFactory theCompactconditionmodelFactory = (CompactconditionmodelFactory)EPackage.Registry.INSTANCE.getEFactory(CompactconditionmodelPackage.eNS_URI);
+			if (theCompactconditionmodelFactory != null) {
+				return theCompactconditionmodelFactory;
+			}
+		}
+		catch (Exception exception) {
+			EcorePlugin.INSTANCE.log(exception);
+		}
+		return new CompactconditionmodelFactoryImpl();
+	}
+
+	/**
+	 * Creates an instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public CompactconditionmodelFactoryImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public EObject create(EClass eClass) {
+		switch (eClass.getClassifierID()) {
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL: return createCompactConditionModel();
+			default:
+				throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public CompactConditionModel createCompactConditionModel() {
+		CompactConditionModelImpl compactConditionModel = new CompactConditionModelImpl();
+		return compactConditionModel;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public CompactconditionmodelPackage getCompactconditionmodelPackage() {
+		return (CompactconditionmodelPackage)getEPackage();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @deprecated
+	 * @generated
+	 */
+	@Deprecated
+	public static CompactconditionmodelPackage getPackage() {
+		return CompactconditionmodelPackage.eINSTANCE;
+	}
+
+} //CompactconditionmodelFactoryImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/impl/CompactconditionmodelPackageImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/impl/CompactconditionmodelPackageImpl.java
new file mode 100644
index 0000000..60e9c88
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/impl/CompactconditionmodelPackageImpl.java
@@ -0,0 +1,208 @@
+/**
+ */
+package compactconditionmodel.impl;
+
+import compactconditionmodel.CompactConditionModel;
+import compactconditionmodel.CompactconditionmodelFactory;
+import compactconditionmodel.CompactconditionmodelPackage;
+
+import laxcondition.LaxconditionPackage;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class CompactconditionmodelPackageImpl extends EPackageImpl implements CompactconditionmodelPackage {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass compactConditionModelEClass = null;
+
+	/**
+	 * Creates an instance of the model <b>Package</b>, registered with
+	 * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+	 * package URI value.
+	 * <p>Note: the correct way to create the package is via the static
+	 * factory method {@link #init init()}, which also performs
+	 * initialization of the package, or returns the registered package,
+	 * if one already exists.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.ecore.EPackage.Registry
+	 * @see compactconditionmodel.CompactconditionmodelPackage#eNS_URI
+	 * @see #init()
+	 * @generated
+	 */
+	private CompactconditionmodelPackageImpl() {
+		super(eNS_URI, CompactconditionmodelFactory.eINSTANCE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static boolean isInited = false;
+
+	/**
+	 * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+	 * 
+	 * <p>This method is used to initialize {@link CompactconditionmodelPackage#eINSTANCE} when that field is accessed.
+	 * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #eNS_URI
+	 * @see #createPackageContents()
+	 * @see #initializePackageContents()
+	 * @generated
+	 */
+	public static CompactconditionmodelPackage init() {
+		if (isInited) return (CompactconditionmodelPackage)EPackage.Registry.INSTANCE.getEPackage(CompactconditionmodelPackage.eNS_URI);
+
+		// Obtain or create and register package
+		CompactconditionmodelPackageImpl theCompactconditionmodelPackage = (CompactconditionmodelPackageImpl)(EPackage.Registry.INSTANCE.get(eNS_URI) instanceof CompactconditionmodelPackageImpl ? EPackage.Registry.INSTANCE.get(eNS_URI) : new CompactconditionmodelPackageImpl());
+
+		isInited = true;
+
+		// Initialize simple dependencies
+		LaxconditionPackage.eINSTANCE.eClass();
+
+		// Create package meta-data objects
+		theCompactconditionmodelPackage.createPackageContents();
+
+		// Initialize created meta-data
+		theCompactconditionmodelPackage.initializePackageContents();
+
+		// Mark meta-data to indicate it can't be changed
+		theCompactconditionmodelPackage.freeze();
+
+  
+		// Update the registry and return the package
+		EPackage.Registry.INSTANCE.put(CompactconditionmodelPackage.eNS_URI, theCompactconditionmodelPackage);
+		return theCompactconditionmodelPackage;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getCompactConditionModel() {
+		return compactConditionModelEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getCompactConditionModel_Name() {
+		return (EAttribute)compactConditionModelEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getCompactConditionModel_Compactconditions() {
+		return (EReference)compactConditionModelEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getCompactConditionModel_TypeGraph() {
+		return (EReference)compactConditionModelEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public CompactconditionmodelFactory getCompactconditionmodelFactory() {
+		return (CompactconditionmodelFactory)getEFactoryInstance();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isCreated = false;
+
+	/**
+	 * Creates the meta-model objects for the package.  This method is
+	 * guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void createPackageContents() {
+		if (isCreated) return;
+		isCreated = true;
+
+		// Create classes and their features
+		compactConditionModelEClass = createEClass(COMPACT_CONDITION_MODEL);
+		createEAttribute(compactConditionModelEClass, COMPACT_CONDITION_MODEL__NAME);
+		createEReference(compactConditionModelEClass, COMPACT_CONDITION_MODEL__COMPACTCONDITIONS);
+		createEReference(compactConditionModelEClass, COMPACT_CONDITION_MODEL__TYPE_GRAPH);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isInitialized = false;
+
+	/**
+	 * Complete the initialization of the package and its meta-model.  This
+	 * method is guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void initializePackageContents() {
+		if (isInitialized) return;
+		isInitialized = true;
+
+		// Initialize package
+		setName(eNAME);
+		setNsPrefix(eNS_PREFIX);
+		setNsURI(eNS_URI);
+
+		// Obtain other dependent packages
+		LaxconditionPackage theLaxconditionPackage = (LaxconditionPackage)EPackage.Registry.INSTANCE.getEPackage(LaxconditionPackage.eNS_URI);
+
+		// Create type parameters
+
+		// Set bounds for type parameters
+
+		// Add supertypes to classes
+
+		// Initialize classes, features, and operations; add parameters
+		initEClass(compactConditionModelEClass, CompactConditionModel.class, "CompactConditionModel", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getCompactConditionModel_Name(), ecorePackage.getEString(), "name", null, 0, 1, CompactConditionModel.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getCompactConditionModel_Compactconditions(), theLaxconditionPackage.getCondition(), null, "compactconditions", null, 0, -1, CompactConditionModel.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getCompactConditionModel_TypeGraph(), ecorePackage.getEPackage(), null, "typeGraph", null, 1, 1, CompactConditionModel.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		// Create resource
+		createResource(eNS_URI);
+	}
+
+} //CompactconditionmodelPackageImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/util/CompactconditionmodelAdapterFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/util/CompactconditionmodelAdapterFactory.java
new file mode 100644
index 0000000..373b3d5
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/util/CompactconditionmodelAdapterFactory.java
@@ -0,0 +1,120 @@
+/**
+ */
+package compactconditionmodel.util;
+
+import compactconditionmodel.*;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.common.notify.impl.AdapterFactoryImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Adapter Factory</b> for the model.
+ * It provides an adapter <code>createXXX</code> method for each class of the model.
+ * <!-- end-user-doc -->
+ * @see compactconditionmodel.CompactconditionmodelPackage
+ * @generated
+ */
+public class CompactconditionmodelAdapterFactory extends AdapterFactoryImpl {
+	/**
+	 * The cached model package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static CompactconditionmodelPackage modelPackage;
+
+	/**
+	 * Creates an instance of the adapter factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public CompactconditionmodelAdapterFactory() {
+		if (modelPackage == null) {
+			modelPackage = CompactconditionmodelPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Returns whether this factory is applicable for the type of the object.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns <code>true</code> if the object is either the model's package or is an instance object of the model.
+	 * <!-- end-user-doc -->
+	 * @return whether this factory is applicable for the type of the object.
+	 * @generated
+	 */
+	@Override
+	public boolean isFactoryForType(Object object) {
+		if (object == modelPackage) {
+			return true;
+		}
+		if (object instanceof EObject) {
+			return ((EObject)object).eClass().getEPackage() == modelPackage;
+		}
+		return false;
+	}
+
+	/**
+	 * The switch that delegates to the <code>createXXX</code> methods.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected CompactconditionmodelSwitch<Adapter> modelSwitch =
+		new CompactconditionmodelSwitch<Adapter>() {
+			@Override
+			public Adapter caseCompactConditionModel(CompactConditionModel object) {
+				return createCompactConditionModelAdapter();
+			}
+			@Override
+			public Adapter defaultCase(EObject object) {
+				return createEObjectAdapter();
+			}
+		};
+
+	/**
+	 * Creates an adapter for the <code>target</code>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param target the object to adapt.
+	 * @return the adapter for the <code>target</code>.
+	 * @generated
+	 */
+	@Override
+	public Adapter createAdapter(Notifier target) {
+		return modelSwitch.doSwitch((EObject)target);
+	}
+
+
+	/**
+	 * Creates a new adapter for an object of class '{@link compactconditionmodel.CompactConditionModel <em>Compact Condition Model</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see compactconditionmodel.CompactConditionModel
+	 * @generated
+	 */
+	public Adapter createCompactConditionModelAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for the default case.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @generated
+	 */
+	public Adapter createEObjectAdapter() {
+		return null;
+	}
+
+} //CompactconditionmodelAdapterFactory
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/util/CompactconditionmodelSwitch.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/util/CompactconditionmodelSwitch.java
new file mode 100644
index 0000000..38b6a3e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/compactconditionmodel/util/CompactconditionmodelSwitch.java
@@ -0,0 +1,110 @@
+/**
+ */
+package compactconditionmodel.util;
+
+import compactconditionmodel.*;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.util.Switch;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Switch</b> for the model's inheritance hierarchy.
+ * It supports the call {@link #doSwitch(EObject) doSwitch(object)}
+ * to invoke the <code>caseXXX</code> method for each class of the model,
+ * starting with the actual class of the object
+ * and proceeding up the inheritance hierarchy
+ * until a non-null result is returned,
+ * which is the result of the switch.
+ * <!-- end-user-doc -->
+ * @see compactconditionmodel.CompactconditionmodelPackage
+ * @generated
+ */
+public class CompactconditionmodelSwitch<T> extends Switch<T> {
+	/**
+	 * The cached model package
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static CompactconditionmodelPackage modelPackage;
+
+	/**
+	 * Creates an instance of the switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public CompactconditionmodelSwitch() {
+		if (modelPackage == null) {
+			modelPackage = CompactconditionmodelPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Checks whether this is a switch for the given package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param ePackage the package in question.
+	 * @return whether this is a switch for the given package.
+	 * @generated
+	 */
+	@Override
+	protected boolean isSwitchFor(EPackage ePackage) {
+		return ePackage == modelPackage;
+	}
+
+	/**
+	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the first non-null result returned by a <code>caseXXX</code> call.
+	 * @generated
+	 */
+	@Override
+	protected T doSwitch(int classifierID, EObject theEObject) {
+		switch (classifierID) {
+			case CompactconditionmodelPackage.COMPACT_CONDITION_MODEL: {
+				CompactConditionModel compactConditionModel = (CompactConditionModel)theEObject;
+				T result = caseCompactConditionModel(compactConditionModel);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			default: return defaultCase(theEObject);
+		}
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Compact Condition Model</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Compact Condition Model</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseCompactConditionModel(CompactConditionModel object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch, but this is the last case anyway.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject)
+	 * @generated
+	 */
+	@Override
+	public T defaultCase(EObject object) {
+		return null;
+	}
+
+} //CompactconditionmodelSwitch
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/de/unimarburg/swt/ocl2ac/model/Activator.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/de/unimarburg/swt/ocl2ac/model/Activator.java
new file mode 100644
index 0000000..217c124
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/de/unimarburg/swt/ocl2ac/model/Activator.java
@@ -0,0 +1,50 @@
+package de.unimarburg.swt.ocl2ac.model;
+
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.osgi.framework.BundleContext;
+
+/**
+ * The activator class controls the plug-in life cycle
+ */
+public class Activator extends AbstractUIPlugin {
+
+	// The plug-in ID
+	public static final String PLUGIN_ID = "de.unimarburg.swt.ocl2ac.model"; //$NON-NLS-1$
+
+	// The shared instance
+	private static Activator plugin;
+	
+	/**
+	 * The constructor
+	 */
+	public Activator() {
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
+	 */
+	public void start(BundleContext context) throws Exception {
+		super.start(context);
+		plugin = this;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
+	 */
+	public void stop(BundleContext context) throws Exception {
+		plugin = null;
+		super.stop(context);
+	}
+
+	/**
+	 * Returns the shared instance
+	 *
+	 * @return the shared instance
+	 */
+	public static Activator getDefault() {
+		return plugin;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/Attribute.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/Attribute.java
new file mode 100644
index 0000000..c729ab0
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/Attribute.java
@@ -0,0 +1,105 @@
+/**
+ */
+package graph;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Attribute</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link graph.Attribute#getOp <em>Op</em>}</li>
+ *   <li>{@link graph.Attribute#getValue <em>Value</em>}</li>
+ *   <li>{@link graph.Attribute#getType <em>Type</em>}</li>
+ * </ul>
+ *
+ * @see graph.GraphPackage#getAttribute()
+ * @model
+ * @generated
+ */
+public interface Attribute extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Op</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Op</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Op</em>' attribute.
+	 * @see #setOp(String)
+	 * @see graph.GraphPackage#getAttribute_Op()
+	 * @model
+	 * @generated
+	 */
+	String getOp();
+
+	/**
+	 * Sets the value of the '{@link graph.Attribute#getOp <em>Op</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Op</em>' attribute.
+	 * @see #getOp()
+	 * @generated
+	 */
+	void setOp(String value);
+
+	/**
+	 * Returns the value of the '<em><b>Value</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Value</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Value</em>' attribute.
+	 * @see #setValue(String)
+	 * @see graph.GraphPackage#getAttribute_Value()
+	 * @model
+	 * @generated
+	 */
+	String getValue();
+
+	/**
+	 * Sets the value of the '{@link graph.Attribute#getValue <em>Value</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Value</em>' attribute.
+	 * @see #getValue()
+	 * @generated
+	 */
+	void setValue(String value);
+
+	/**
+	 * Returns the value of the '<em><b>Type</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Type</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Type</em>' reference.
+	 * @see #setType(EAttribute)
+	 * @see graph.GraphPackage#getAttribute_Type()
+	 * @model required="true"
+	 * @generated
+	 */
+	EAttribute getType();
+
+	/**
+	 * Sets the value of the '{@link graph.Attribute#getType <em>Type</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Type</em>' reference.
+	 * @see #getType()
+	 * @generated
+	 */
+	void setType(EAttribute value);
+
+} // Attribute
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/Edge.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/Edge.java
new file mode 100644
index 0000000..7f74b84
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/Edge.java
@@ -0,0 +1,110 @@
+/**
+ */
+package graph;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EReference;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Edge</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link graph.Edge#getSource <em>Source</em>}</li>
+ *   <li>{@link graph.Edge#getTarget <em>Target</em>}</li>
+ *   <li>{@link graph.Edge#getType <em>Type</em>}</li>
+ * </ul>
+ *
+ * @see graph.GraphPackage#getEdge()
+ * @model annotation="http://www.eclipse.org/emf/2002/Ecore constraints='CorrectlyTypedEdgesSourceNode CorrectlyTypedEdgesTargetNode'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot CorrectlyTypedEdgesSourceNode='self.source.type.eAllReferences -> includes(self.type)' CorrectlyTypedEdgesTargetNode='(self.target.type = self.type.eReferenceType) or (self.target.type.eAllSuperTypes -> includes(self.type.eReferenceType))'"
+ * @generated
+ */
+public interface Edge extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Source</b></em>' reference.
+	 * It is bidirectional and its opposite is '{@link graph.Node#getOutgoing <em>Outgoing</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Source</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Source</em>' reference.
+	 * @see #setSource(Node)
+	 * @see graph.GraphPackage#getEdge_Source()
+	 * @see graph.Node#getOutgoing
+	 * @model opposite="outgoing" required="true"
+	 * @generated
+	 */
+	Node getSource();
+
+	/**
+	 * Sets the value of the '{@link graph.Edge#getSource <em>Source</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Source</em>' reference.
+	 * @see #getSource()
+	 * @generated
+	 */
+	void setSource(Node value);
+
+	/**
+	 * Returns the value of the '<em><b>Target</b></em>' reference.
+	 * It is bidirectional and its opposite is '{@link graph.Node#getIncoming <em>Incoming</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Target</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Target</em>' reference.
+	 * @see #setTarget(Node)
+	 * @see graph.GraphPackage#getEdge_Target()
+	 * @see graph.Node#getIncoming
+	 * @model opposite="incoming" required="true"
+	 * @generated
+	 */
+	Node getTarget();
+
+	/**
+	 * Sets the value of the '{@link graph.Edge#getTarget <em>Target</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Target</em>' reference.
+	 * @see #getTarget()
+	 * @generated
+	 */
+	void setTarget(Node value);
+
+	/**
+	 * Returns the value of the '<em><b>Type</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Type</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Type</em>' reference.
+	 * @see #setType(EReference)
+	 * @see graph.GraphPackage#getEdge_Type()
+	 * @model required="true"
+	 * @generated
+	 */
+	EReference getType();
+
+	/**
+	 * Sets the value of the '{@link graph.Edge#getType <em>Type</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Type</em>' reference.
+	 * @see #getType()
+	 * @generated
+	 */
+	void setType(EReference value);
+
+} // Edge
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/Graph.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/Graph.java
new file mode 100644
index 0000000..2c3e84c
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/Graph.java
@@ -0,0 +1,115 @@
+/**
+ */
+package graph;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Graph</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link graph.Graph#getEdges <em>Edges</em>}</li>
+ *   <li>{@link graph.Graph#getNodes <em>Nodes</em>}</li>
+ *   <li>{@link graph.Graph#getTypegraph <em>Typegraph</em>}</li>
+ *   <li>{@link graph.Graph#getName <em>Name</em>}</li>
+ * </ul>
+ *
+ * @see graph.GraphPackage#getGraph()
+ * @model annotation="http://www.eclipse.org/emf/2002/Ecore constraints='CorrectlyTypedNodes'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot CorrectlyTypedNodes='self.nodes -> forAll(node | self.typegraph.eClassifiers -> includes(node.type))'"
+ * @generated
+ */
+public interface Graph extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Edges</b></em>' containment reference list.
+	 * The list contents are of type {@link graph.Edge}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Edges</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Edges</em>' containment reference list.
+	 * @see graph.GraphPackage#getGraph_Edges()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<Edge> getEdges();
+
+	/**
+	 * Returns the value of the '<em><b>Nodes</b></em>' containment reference list.
+	 * The list contents are of type {@link graph.Node}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Nodes</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Nodes</em>' containment reference list.
+	 * @see graph.GraphPackage#getGraph_Nodes()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<Node> getNodes();
+
+	/**
+	 * Returns the value of the '<em><b>Typegraph</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Typegraph</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Typegraph</em>' reference.
+	 * @see #setTypegraph(EPackage)
+	 * @see graph.GraphPackage#getGraph_Typegraph()
+	 * @model required="true"
+	 * @generated
+	 */
+	EPackage getTypegraph();
+
+	/**
+	 * Sets the value of the '{@link graph.Graph#getTypegraph <em>Typegraph</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Typegraph</em>' reference.
+	 * @see #getTypegraph()
+	 * @generated
+	 */
+	void setTypegraph(EPackage value);
+
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see graph.GraphPackage#getGraph_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link graph.Graph#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+} // Graph
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/GraphFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/GraphFactory.java
new file mode 100644
index 0000000..4f1affc
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/GraphFactory.java
@@ -0,0 +1,69 @@
+/**
+ */
+package graph;
+
+import org.eclipse.emf.ecore.EFactory;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Factory</b> for the model.
+ * It provides a create method for each non-abstract class of the model.
+ * <!-- end-user-doc -->
+ * @see graph.GraphPackage
+ * @generated
+ */
+public interface GraphFactory extends EFactory {
+	/**
+	 * The singleton instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	GraphFactory eINSTANCE = graph.impl.GraphFactoryImpl.init();
+
+	/**
+	 * Returns a new object of class '<em>Graph</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Graph</em>'.
+	 * @generated
+	 */
+	Graph createGraph();
+
+	/**
+	 * Returns a new object of class '<em>Node</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Node</em>'.
+	 * @generated
+	 */
+	Node createNode();
+
+	/**
+	 * Returns a new object of class '<em>Edge</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Edge</em>'.
+	 * @generated
+	 */
+	Edge createEdge();
+
+	/**
+	 * Returns a new object of class '<em>Attribute</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Attribute</em>'.
+	 * @generated
+	 */
+	Attribute createAttribute();
+
+	/**
+	 * Returns the package supported by this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the package supported by this factory.
+	 * @generated
+	 */
+	GraphPackage getGraphPackage();
+
+} //GraphFactory
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/GraphPackage.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/GraphPackage.java
new file mode 100644
index 0000000..d248b79
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/GraphPackage.java
@@ -0,0 +1,699 @@
+/**
+ */
+package graph;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Package</b> for the model.
+ * It contains accessors for the meta objects to represent
+ * <ul>
+ *   <li>each class,</li>
+ *   <li>each feature of each class,</li>
+ *   <li>each operation of each class,</li>
+ *   <li>each enum,</li>
+ *   <li>and each data type</li>
+ * </ul>
+ * <!-- end-user-doc -->
+ * @see graph.GraphFactory
+ * @model kind="package"
+ *        annotation="http://www.eclipse.org/OCL/Import ecore='http://www.eclipse.org/emf/2002/Ecore'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore invocationDelegates='http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot' settingDelegates='http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot' validationDelegates='http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot'"
+ * @generated
+ */
+public interface GraphPackage extends EPackage {
+	/**
+	 * The package name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNAME = "graph";
+
+	/**
+	 * The package namespace URI.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_URI = "http://www.example.org/graph";
+
+	/**
+	 * The package namespace name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_PREFIX = "graph";
+
+	/**
+	 * The singleton instance of the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	GraphPackage eINSTANCE = graph.impl.GraphPackageImpl.init();
+
+	/**
+	 * The meta object id for the '{@link graph.impl.GraphImpl <em>Graph</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see graph.impl.GraphImpl
+	 * @see graph.impl.GraphPackageImpl#getGraph()
+	 * @generated
+	 */
+	int GRAPH = 0;
+
+	/**
+	 * The feature id for the '<em><b>Edges</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GRAPH__EDGES = 0;
+
+	/**
+	 * The feature id for the '<em><b>Nodes</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GRAPH__NODES = 1;
+
+	/**
+	 * The feature id for the '<em><b>Typegraph</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GRAPH__TYPEGRAPH = 2;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GRAPH__NAME = 3;
+
+	/**
+	 * The number of structural features of the '<em>Graph</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GRAPH_FEATURE_COUNT = 4;
+
+	/**
+	 * The number of operations of the '<em>Graph</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int GRAPH_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link graph.impl.NodeImpl <em>Node</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see graph.impl.NodeImpl
+	 * @see graph.impl.GraphPackageImpl#getNode()
+	 * @generated
+	 */
+	int NODE = 1;
+
+	/**
+	 * The feature id for the '<em><b>Attributes</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NODE__ATTRIBUTES = 0;
+
+	/**
+	 * The feature id for the '<em><b>Outgoing</b></em>' reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NODE__OUTGOING = 1;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NODE__NAME = 2;
+
+	/**
+	 * The feature id for the '<em><b>Incoming</b></em>' reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NODE__INCOMING = 3;
+
+	/**
+	 * The feature id for the '<em><b>Type</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NODE__TYPE = 4;
+
+	/**
+	 * The number of structural features of the '<em>Node</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NODE_FEATURE_COUNT = 5;
+
+	/**
+	 * The number of operations of the '<em>Node</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NODE_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link graph.impl.EdgeImpl <em>Edge</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see graph.impl.EdgeImpl
+	 * @see graph.impl.GraphPackageImpl#getEdge()
+	 * @generated
+	 */
+	int EDGE = 2;
+
+	/**
+	 * The feature id for the '<em><b>Source</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int EDGE__SOURCE = 0;
+
+	/**
+	 * The feature id for the '<em><b>Target</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int EDGE__TARGET = 1;
+
+	/**
+	 * The feature id for the '<em><b>Type</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int EDGE__TYPE = 2;
+
+	/**
+	 * The number of structural features of the '<em>Edge</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int EDGE_FEATURE_COUNT = 3;
+
+	/**
+	 * The number of operations of the '<em>Edge</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int EDGE_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link graph.impl.AttributeImpl <em>Attribute</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see graph.impl.AttributeImpl
+	 * @see graph.impl.GraphPackageImpl#getAttribute()
+	 * @generated
+	 */
+	int ATTRIBUTE = 3;
+
+	/**
+	 * The feature id for the '<em><b>Op</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int ATTRIBUTE__OP = 0;
+
+	/**
+	 * The feature id for the '<em><b>Value</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int ATTRIBUTE__VALUE = 1;
+
+	/**
+	 * The feature id for the '<em><b>Type</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int ATTRIBUTE__TYPE = 2;
+
+	/**
+	 * The number of structural features of the '<em>Attribute</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int ATTRIBUTE_FEATURE_COUNT = 3;
+
+	/**
+	 * The number of operations of the '<em>Attribute</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int ATTRIBUTE_OPERATION_COUNT = 0;
+
+
+	/**
+	 * Returns the meta object for class '{@link graph.Graph <em>Graph</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Graph</em>'.
+	 * @see graph.Graph
+	 * @generated
+	 */
+	EClass getGraph();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link graph.Graph#getEdges <em>Edges</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Edges</em>'.
+	 * @see graph.Graph#getEdges()
+	 * @see #getGraph()
+	 * @generated
+	 */
+	EReference getGraph_Edges();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link graph.Graph#getNodes <em>Nodes</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Nodes</em>'.
+	 * @see graph.Graph#getNodes()
+	 * @see #getGraph()
+	 * @generated
+	 */
+	EReference getGraph_Nodes();
+
+	/**
+	 * Returns the meta object for the reference '{@link graph.Graph#getTypegraph <em>Typegraph</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Typegraph</em>'.
+	 * @see graph.Graph#getTypegraph()
+	 * @see #getGraph()
+	 * @generated
+	 */
+	EReference getGraph_Typegraph();
+
+	/**
+	 * Returns the meta object for the attribute '{@link graph.Graph#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see graph.Graph#getName()
+	 * @see #getGraph()
+	 * @generated
+	 */
+	EAttribute getGraph_Name();
+
+	/**
+	 * Returns the meta object for class '{@link graph.Node <em>Node</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Node</em>'.
+	 * @see graph.Node
+	 * @generated
+	 */
+	EClass getNode();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link graph.Node#getAttributes <em>Attributes</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Attributes</em>'.
+	 * @see graph.Node#getAttributes()
+	 * @see #getNode()
+	 * @generated
+	 */
+	EReference getNode_Attributes();
+
+	/**
+	 * Returns the meta object for the reference list '{@link graph.Node#getOutgoing <em>Outgoing</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference list '<em>Outgoing</em>'.
+	 * @see graph.Node#getOutgoing()
+	 * @see #getNode()
+	 * @generated
+	 */
+	EReference getNode_Outgoing();
+
+	/**
+	 * Returns the meta object for the attribute '{@link graph.Node#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see graph.Node#getName()
+	 * @see #getNode()
+	 * @generated
+	 */
+	EAttribute getNode_Name();
+
+	/**
+	 * Returns the meta object for the reference list '{@link graph.Node#getIncoming <em>Incoming</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference list '<em>Incoming</em>'.
+	 * @see graph.Node#getIncoming()
+	 * @see #getNode()
+	 * @generated
+	 */
+	EReference getNode_Incoming();
+
+	/**
+	 * Returns the meta object for the reference '{@link graph.Node#getType <em>Type</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Type</em>'.
+	 * @see graph.Node#getType()
+	 * @see #getNode()
+	 * @generated
+	 */
+	EReference getNode_Type();
+
+	/**
+	 * Returns the meta object for class '{@link graph.Edge <em>Edge</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Edge</em>'.
+	 * @see graph.Edge
+	 * @generated
+	 */
+	EClass getEdge();
+
+	/**
+	 * Returns the meta object for the reference '{@link graph.Edge#getSource <em>Source</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Source</em>'.
+	 * @see graph.Edge#getSource()
+	 * @see #getEdge()
+	 * @generated
+	 */
+	EReference getEdge_Source();
+
+	/**
+	 * Returns the meta object for the reference '{@link graph.Edge#getTarget <em>Target</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Target</em>'.
+	 * @see graph.Edge#getTarget()
+	 * @see #getEdge()
+	 * @generated
+	 */
+	EReference getEdge_Target();
+
+	/**
+	 * Returns the meta object for the reference '{@link graph.Edge#getType <em>Type</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Type</em>'.
+	 * @see graph.Edge#getType()
+	 * @see #getEdge()
+	 * @generated
+	 */
+	EReference getEdge_Type();
+
+	/**
+	 * Returns the meta object for class '{@link graph.Attribute <em>Attribute</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Attribute</em>'.
+	 * @see graph.Attribute
+	 * @generated
+	 */
+	EClass getAttribute();
+
+	/**
+	 * Returns the meta object for the attribute '{@link graph.Attribute#getOp <em>Op</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Op</em>'.
+	 * @see graph.Attribute#getOp()
+	 * @see #getAttribute()
+	 * @generated
+	 */
+	EAttribute getAttribute_Op();
+
+	/**
+	 * Returns the meta object for the attribute '{@link graph.Attribute#getValue <em>Value</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Value</em>'.
+	 * @see graph.Attribute#getValue()
+	 * @see #getAttribute()
+	 * @generated
+	 */
+	EAttribute getAttribute_Value();
+
+	/**
+	 * Returns the meta object for the reference '{@link graph.Attribute#getType <em>Type</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Type</em>'.
+	 * @see graph.Attribute#getType()
+	 * @see #getAttribute()
+	 * @generated
+	 */
+	EReference getAttribute_Type();
+
+	/**
+	 * Returns the factory that creates the instances of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the factory that creates the instances of the model.
+	 * @generated
+	 */
+	GraphFactory getGraphFactory();
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * Defines literals for the meta objects that represent
+	 * <ul>
+	 *   <li>each class,</li>
+	 *   <li>each feature of each class,</li>
+	 *   <li>each operation of each class,</li>
+	 *   <li>each enum,</li>
+	 *   <li>and each data type</li>
+	 * </ul>
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	interface Literals {
+		/**
+		 * The meta object literal for the '{@link graph.impl.GraphImpl <em>Graph</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see graph.impl.GraphImpl
+		 * @see graph.impl.GraphPackageImpl#getGraph()
+		 * @generated
+		 */
+		EClass GRAPH = eINSTANCE.getGraph();
+
+		/**
+		 * The meta object literal for the '<em><b>Edges</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference GRAPH__EDGES = eINSTANCE.getGraph_Edges();
+
+		/**
+		 * The meta object literal for the '<em><b>Nodes</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference GRAPH__NODES = eINSTANCE.getGraph_Nodes();
+
+		/**
+		 * The meta object literal for the '<em><b>Typegraph</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference GRAPH__TYPEGRAPH = eINSTANCE.getGraph_Typegraph();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute GRAPH__NAME = eINSTANCE.getGraph_Name();
+
+		/**
+		 * The meta object literal for the '{@link graph.impl.NodeImpl <em>Node</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see graph.impl.NodeImpl
+		 * @see graph.impl.GraphPackageImpl#getNode()
+		 * @generated
+		 */
+		EClass NODE = eINSTANCE.getNode();
+
+		/**
+		 * The meta object literal for the '<em><b>Attributes</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference NODE__ATTRIBUTES = eINSTANCE.getNode_Attributes();
+
+		/**
+		 * The meta object literal for the '<em><b>Outgoing</b></em>' reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference NODE__OUTGOING = eINSTANCE.getNode_Outgoing();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute NODE__NAME = eINSTANCE.getNode_Name();
+
+		/**
+		 * The meta object literal for the '<em><b>Incoming</b></em>' reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference NODE__INCOMING = eINSTANCE.getNode_Incoming();
+
+		/**
+		 * The meta object literal for the '<em><b>Type</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference NODE__TYPE = eINSTANCE.getNode_Type();
+
+		/**
+		 * The meta object literal for the '{@link graph.impl.EdgeImpl <em>Edge</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see graph.impl.EdgeImpl
+		 * @see graph.impl.GraphPackageImpl#getEdge()
+		 * @generated
+		 */
+		EClass EDGE = eINSTANCE.getEdge();
+
+		/**
+		 * The meta object literal for the '<em><b>Source</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference EDGE__SOURCE = eINSTANCE.getEdge_Source();
+
+		/**
+		 * The meta object literal for the '<em><b>Target</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference EDGE__TARGET = eINSTANCE.getEdge_Target();
+
+		/**
+		 * The meta object literal for the '<em><b>Type</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference EDGE__TYPE = eINSTANCE.getEdge_Type();
+
+		/**
+		 * The meta object literal for the '{@link graph.impl.AttributeImpl <em>Attribute</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see graph.impl.AttributeImpl
+		 * @see graph.impl.GraphPackageImpl#getAttribute()
+		 * @generated
+		 */
+		EClass ATTRIBUTE = eINSTANCE.getAttribute();
+
+		/**
+		 * The meta object literal for the '<em><b>Op</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute ATTRIBUTE__OP = eINSTANCE.getAttribute_Op();
+
+		/**
+		 * The meta object literal for the '<em><b>Value</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute ATTRIBUTE__VALUE = eINSTANCE.getAttribute_Value();
+
+		/**
+		 * The meta object literal for the '<em><b>Type</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference ATTRIBUTE__TYPE = eINSTANCE.getAttribute_Type();
+
+	}
+
+} //GraphPackage
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/Node.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/Node.java
new file mode 100644
index 0000000..38c456f
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/Node.java
@@ -0,0 +1,144 @@
+/**
+ */
+package graph;
+
+import java.util.List;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Node</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link graph.Node#getAttributes <em>Attributes</em>}</li>
+ *   <li>{@link graph.Node#getOutgoing <em>Outgoing</em>}</li>
+ *   <li>{@link graph.Node#getName <em>Name</em>}</li>
+ *   <li>{@link graph.Node#getIncoming <em>Incoming</em>}</li>
+ *   <li>{@link graph.Node#getType <em>Type</em>}</li>
+ * </ul>
+ *
+ * @see graph.GraphPackage#getNode()
+ * @model annotation="http://www.eclipse.org/emf/2002/Ecore constraints='CorrectlyTypedAttributes'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot CorrectlyTypedAttributes='self.attributes -> forAll(attr | self.type.eAllAttributes -> includes(attr.type))'"
+ * @generated
+ */
+public interface Node extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Attributes</b></em>' containment reference list.
+	 * The list contents are of type {@link graph.Attribute}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Attributes</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Attributes</em>' containment reference list.
+	 * @see graph.GraphPackage#getNode_Attributes()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<Attribute> getAttributes();
+
+	/**
+	 * Returns the value of the '<em><b>Outgoing</b></em>' reference list.
+	 * The list contents are of type {@link graph.Edge}.
+	 * It is bidirectional and its opposite is '{@link graph.Edge#getSource <em>Source</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Outgoing</em>' reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Outgoing</em>' reference list.
+	 * @see graph.GraphPackage#getNode_Outgoing()
+	 * @see graph.Edge#getSource
+	 * @model opposite="source"
+	 * @generated
+	 */
+	EList<Edge> getOutgoing();
+
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see graph.GraphPackage#getNode_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+	
+	List<String> getNames();
+	
+	void addNames(List<String> names);
+	
+	void removeName(String name);
+
+	/**
+	 * Sets the value of the '{@link graph.Node#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+	/**
+	 * Returns the value of the '<em><b>Incoming</b></em>' reference list.
+	 * The list contents are of type {@link graph.Edge}.
+	 * It is bidirectional and its opposite is '{@link graph.Edge#getTarget <em>Target</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Incoming</em>' reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Incoming</em>' reference list.
+	 * @see graph.GraphPackage#getNode_Incoming()
+	 * @see graph.Edge#getTarget
+	 * @model opposite="target"
+	 * @generated
+	 */
+	EList<Edge> getIncoming();
+
+	/**
+	 * Returns the value of the '<em><b>Type</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Type</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Type</em>' reference.
+	 * @see #setType(EClass)
+	 * @see graph.GraphPackage#getNode_Type()
+	 * @model required="true"
+	 * @generated
+	 */
+	EClass getType();
+
+	/**
+	 * Sets the value of the '{@link graph.Node#getType <em>Type</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Type</em>' reference.
+	 * @see #getType()
+	 * @generated
+	 */
+	void setType(EClass value);
+
+} // Node
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/AttributeImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/AttributeImpl.java
new file mode 100644
index 0000000..afc3cb0
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/AttributeImpl.java
@@ -0,0 +1,279 @@
+/**
+ */
+package graph.impl;
+
+import graph.Attribute;
+import graph.GraphPackage;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Attribute</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link graph.impl.AttributeImpl#getOp <em>Op</em>}</li>
+ *   <li>{@link graph.impl.AttributeImpl#getValue <em>Value</em>}</li>
+ *   <li>{@link graph.impl.AttributeImpl#getType <em>Type</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class AttributeImpl extends MinimalEObjectImpl.Container implements Attribute {
+	/**
+	 * The default value of the '{@link #getOp() <em>Op</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getOp()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final String OP_EDEFAULT = null;
+
+	/**
+	 * The cached value of the '{@link #getOp() <em>Op</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getOp()
+	 * @generated
+	 * @ordered
+	 */
+	protected String op = OP_EDEFAULT;
+
+	/**
+	 * The default value of the '{@link #getValue() <em>Value</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getValue()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final String VALUE_EDEFAULT = null;
+
+	/**
+	 * The cached value of the '{@link #getValue() <em>Value</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getValue()
+	 * @generated
+	 * @ordered
+	 */
+	protected String value = VALUE_EDEFAULT;
+
+	/**
+	 * The cached value of the '{@link #getType() <em>Type</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getType()
+	 * @generated
+	 * @ordered
+	 */
+	protected EAttribute type;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected AttributeImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return GraphPackage.Literals.ATTRIBUTE;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getOp() {
+		return op;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setOp(String newOp) {
+		String oldOp = op;
+		op = newOp;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, GraphPackage.ATTRIBUTE__OP, oldOp, op));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getValue() {
+		return value;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setValue(String newValue) {
+		String oldValue = value;
+		value = newValue;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, GraphPackage.ATTRIBUTE__VALUE, oldValue, value));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getType() {
+		if (type != null && type.eIsProxy()) {
+			InternalEObject oldType = (InternalEObject)type;
+			type = (EAttribute)eResolveProxy(oldType);
+			if (type != oldType) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, GraphPackage.ATTRIBUTE__TYPE, oldType, type));
+			}
+		}
+		return type;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute basicGetType() {
+		return type;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setType(EAttribute newType) {
+		EAttribute oldType = type;
+		type = newType;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, GraphPackage.ATTRIBUTE__TYPE, oldType, type));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case GraphPackage.ATTRIBUTE__OP:
+				return getOp();
+			case GraphPackage.ATTRIBUTE__VALUE:
+				return getValue();
+			case GraphPackage.ATTRIBUTE__TYPE:
+				if (resolve) return getType();
+				return basicGetType();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case GraphPackage.ATTRIBUTE__OP:
+				setOp((String)newValue);
+				return;
+			case GraphPackage.ATTRIBUTE__VALUE:
+				setValue((String)newValue);
+				return;
+			case GraphPackage.ATTRIBUTE__TYPE:
+				setType((EAttribute)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case GraphPackage.ATTRIBUTE__OP:
+				setOp(OP_EDEFAULT);
+				return;
+			case GraphPackage.ATTRIBUTE__VALUE:
+				setValue(VALUE_EDEFAULT);
+				return;
+			case GraphPackage.ATTRIBUTE__TYPE:
+				setType((EAttribute)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case GraphPackage.ATTRIBUTE__OP:
+				return OP_EDEFAULT == null ? op != null : !OP_EDEFAULT.equals(op);
+			case GraphPackage.ATTRIBUTE__VALUE:
+				return VALUE_EDEFAULT == null ? value != null : !VALUE_EDEFAULT.equals(value);
+			case GraphPackage.ATTRIBUTE__TYPE:
+				return type != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (op: ");
+		result.append(op);
+		result.append(", value: ");
+		result.append(value);
+		result.append(')');
+		return result.toString();
+	}
+
+} //AttributeImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/EdgeImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/EdgeImpl.java
new file mode 100644
index 0000000..0ae84f4
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/EdgeImpl.java
@@ -0,0 +1,359 @@
+/**
+ */
+package graph.impl;
+
+import graph.Edge;
+import graph.GraphPackage;
+import graph.Node;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EReference;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Edge</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link graph.impl.EdgeImpl#getSource <em>Source</em>}</li>
+ *   <li>{@link graph.impl.EdgeImpl#getTarget <em>Target</em>}</li>
+ *   <li>{@link graph.impl.EdgeImpl#getType <em>Type</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class EdgeImpl extends MinimalEObjectImpl.Container implements Edge {
+	/**
+	 * The cached value of the '{@link #getSource() <em>Source</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getSource()
+	 * @generated
+	 * @ordered
+	 */
+	protected Node source;
+
+	/**
+	 * The cached value of the '{@link #getTarget() <em>Target</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getTarget()
+	 * @generated
+	 * @ordered
+	 */
+	protected Node target;
+
+	/**
+	 * The cached value of the '{@link #getType() <em>Type</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getType()
+	 * @generated
+	 * @ordered
+	 */
+	protected EReference type;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected EdgeImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return GraphPackage.Literals.EDGE;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node getSource() {
+		if (source != null && source.eIsProxy()) {
+			InternalEObject oldSource = (InternalEObject)source;
+			source = (Node)eResolveProxy(oldSource);
+			if (source != oldSource) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, GraphPackage.EDGE__SOURCE, oldSource, source));
+			}
+		}
+		return source;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node basicGetSource() {
+		return source;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetSource(Node newSource, NotificationChain msgs) {
+		Node oldSource = source;
+		source = newSource;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, GraphPackage.EDGE__SOURCE, oldSource, newSource);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setSource(Node newSource) {
+		if (newSource != source) {
+			NotificationChain msgs = null;
+			if (source != null)
+				msgs = ((InternalEObject)source).eInverseRemove(this, GraphPackage.NODE__OUTGOING, Node.class, msgs);
+			if (newSource != null)
+				msgs = ((InternalEObject)newSource).eInverseAdd(this, GraphPackage.NODE__OUTGOING, Node.class, msgs);
+			msgs = basicSetSource(newSource, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, GraphPackage.EDGE__SOURCE, newSource, newSource));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node getTarget() {
+		if (target != null && target.eIsProxy()) {
+			InternalEObject oldTarget = (InternalEObject)target;
+			target = (Node)eResolveProxy(oldTarget);
+			if (target != oldTarget) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, GraphPackage.EDGE__TARGET, oldTarget, target));
+			}
+		}
+		return target;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node basicGetTarget() {
+		return target;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetTarget(Node newTarget, NotificationChain msgs) {
+		Node oldTarget = target;
+		target = newTarget;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, GraphPackage.EDGE__TARGET, oldTarget, newTarget);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setTarget(Node newTarget) {
+		if (newTarget != target) {
+			NotificationChain msgs = null;
+			if (target != null)
+				msgs = ((InternalEObject)target).eInverseRemove(this, GraphPackage.NODE__INCOMING, Node.class, msgs);
+			if (newTarget != null)
+				msgs = ((InternalEObject)newTarget).eInverseAdd(this, GraphPackage.NODE__INCOMING, Node.class, msgs);
+			msgs = basicSetTarget(newTarget, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, GraphPackage.EDGE__TARGET, newTarget, newTarget));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getType() {
+		if (type != null && type.eIsProxy()) {
+			InternalEObject oldType = (InternalEObject)type;
+			type = (EReference)eResolveProxy(oldType);
+			if (type != oldType) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, GraphPackage.EDGE__TYPE, oldType, type));
+			}
+		}
+		return type;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference basicGetType() {
+		return type;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setType(EReference newType) {
+		EReference oldType = type;
+		type = newType;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, GraphPackage.EDGE__TYPE, oldType, type));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case GraphPackage.EDGE__SOURCE:
+				if (source != null)
+					msgs = ((InternalEObject)source).eInverseRemove(this, GraphPackage.NODE__OUTGOING, Node.class, msgs);
+				return basicSetSource((Node)otherEnd, msgs);
+			case GraphPackage.EDGE__TARGET:
+				if (target != null)
+					msgs = ((InternalEObject)target).eInverseRemove(this, GraphPackage.NODE__INCOMING, Node.class, msgs);
+				return basicSetTarget((Node)otherEnd, msgs);
+		}
+		return super.eInverseAdd(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case GraphPackage.EDGE__SOURCE:
+				return basicSetSource(null, msgs);
+			case GraphPackage.EDGE__TARGET:
+				return basicSetTarget(null, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case GraphPackage.EDGE__SOURCE:
+				if (resolve) return getSource();
+				return basicGetSource();
+			case GraphPackage.EDGE__TARGET:
+				if (resolve) return getTarget();
+				return basicGetTarget();
+			case GraphPackage.EDGE__TYPE:
+				if (resolve) return getType();
+				return basicGetType();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case GraphPackage.EDGE__SOURCE:
+				setSource((Node)newValue);
+				return;
+			case GraphPackage.EDGE__TARGET:
+				setTarget((Node)newValue);
+				return;
+			case GraphPackage.EDGE__TYPE:
+				setType((EReference)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case GraphPackage.EDGE__SOURCE:
+				setSource((Node)null);
+				return;
+			case GraphPackage.EDGE__TARGET:
+				setTarget((Node)null);
+				return;
+			case GraphPackage.EDGE__TYPE:
+				setType((EReference)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case GraphPackage.EDGE__SOURCE:
+				return source != null;
+			case GraphPackage.EDGE__TARGET:
+				return target != null;
+			case GraphPackage.EDGE__TYPE:
+				return type != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+} //EdgeImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/GraphFactoryImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/GraphFactoryImpl.java
new file mode 100644
index 0000000..f6d28e6
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/GraphFactoryImpl.java
@@ -0,0 +1,128 @@
+/**
+ */
+package graph.impl;
+
+import graph.*;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class GraphFactoryImpl extends EFactoryImpl implements GraphFactory {
+	/**
+	 * Creates the default factory implementation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static GraphFactory init() {
+		try {
+			GraphFactory theGraphFactory = (GraphFactory)EPackage.Registry.INSTANCE.getEFactory(GraphPackage.eNS_URI);
+			if (theGraphFactory != null) {
+				return theGraphFactory;
+			}
+		}
+		catch (Exception exception) {
+			EcorePlugin.INSTANCE.log(exception);
+		}
+		return new GraphFactoryImpl();
+	}
+
+	/**
+	 * Creates an instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GraphFactoryImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public EObject create(EClass eClass) {
+		switch (eClass.getClassifierID()) {
+			case GraphPackage.GRAPH: return createGraph();
+			case GraphPackage.NODE: return createNode();
+			case GraphPackage.EDGE: return createEdge();
+			case GraphPackage.ATTRIBUTE: return createAttribute();
+			default:
+				throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph createGraph() {
+		GraphImpl graph = new GraphImpl();
+		return graph;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node createNode() {
+		NodeImpl node = new NodeImpl();
+		return node;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Edge createEdge() {
+		EdgeImpl edge = new EdgeImpl();
+		return edge;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Attribute createAttribute() {
+		AttributeImpl attribute = new AttributeImpl();
+		return attribute;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GraphPackage getGraphPackage() {
+		return (GraphPackage)getEPackage();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @deprecated
+	 * @generated
+	 */
+	@Deprecated
+	public static GraphPackage getPackage() {
+		return GraphPackage.eINSTANCE;
+	}
+
+} //GraphFactoryImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/GraphImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/GraphImpl.java
new file mode 100644
index 0000000..6830d0e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/GraphImpl.java
@@ -0,0 +1,320 @@
+/**
+ */
+package graph.impl;
+
+import graph.Edge;
+import graph.Graph;
+import graph.GraphPackage;
+import graph.Node;
+
+import java.util.Collection;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Graph</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link graph.impl.GraphImpl#getEdges <em>Edges</em>}</li>
+ *   <li>{@link graph.impl.GraphImpl#getNodes <em>Nodes</em>}</li>
+ *   <li>{@link graph.impl.GraphImpl#getTypegraph <em>Typegraph</em>}</li>
+ *   <li>{@link graph.impl.GraphImpl#getName <em>Name</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class GraphImpl extends MinimalEObjectImpl.Container implements Graph {
+	/**
+	 * The cached value of the '{@link #getEdges() <em>Edges</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getEdges()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Edge> edges;
+
+	/**
+	 * The cached value of the '{@link #getNodes() <em>Nodes</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getNodes()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Node> nodes;
+
+	/**
+	 * The cached value of the '{@link #getTypegraph() <em>Typegraph</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getTypegraph()
+	 * @generated
+	 * @ordered
+	 */
+	protected EPackage typegraph;
+
+	/**
+	 * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final String NAME_EDEFAULT = null;
+
+	/**
+	 * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected String name = NAME_EDEFAULT;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected GraphImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return GraphPackage.Literals.GRAPH;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Edge> getEdges() {
+		if (edges == null) {
+			edges = new EObjectContainmentEList<Edge>(Edge.class, this, GraphPackage.GRAPH__EDGES);
+		}
+		return edges;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Node> getNodes() {
+		if (nodes == null) {
+			nodes = new EObjectContainmentEList<Node>(Node.class, this, GraphPackage.GRAPH__NODES);
+		}
+		return nodes;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EPackage getTypegraph() {
+		if (typegraph != null && typegraph.eIsProxy()) {
+			InternalEObject oldTypegraph = (InternalEObject)typegraph;
+			typegraph = (EPackage)eResolveProxy(oldTypegraph);
+			if (typegraph != oldTypegraph) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, GraphPackage.GRAPH__TYPEGRAPH, oldTypegraph, typegraph));
+			}
+		}
+		return typegraph;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EPackage basicGetTypegraph() {
+		return typegraph;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setTypegraph(EPackage newTypegraph) {
+		EPackage oldTypegraph = typegraph;
+		typegraph = newTypegraph;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, GraphPackage.GRAPH__TYPEGRAPH, oldTypegraph, typegraph));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		String oldName = name;
+		name = newName;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, GraphPackage.GRAPH__NAME, oldName, name));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case GraphPackage.GRAPH__EDGES:
+				return ((InternalEList<?>)getEdges()).basicRemove(otherEnd, msgs);
+			case GraphPackage.GRAPH__NODES:
+				return ((InternalEList<?>)getNodes()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case GraphPackage.GRAPH__EDGES:
+				return getEdges();
+			case GraphPackage.GRAPH__NODES:
+				return getNodes();
+			case GraphPackage.GRAPH__TYPEGRAPH:
+				if (resolve) return getTypegraph();
+				return basicGetTypegraph();
+			case GraphPackage.GRAPH__NAME:
+				return getName();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case GraphPackage.GRAPH__EDGES:
+				getEdges().clear();
+				getEdges().addAll((Collection<? extends Edge>)newValue);
+				return;
+			case GraphPackage.GRAPH__NODES:
+				getNodes().clear();
+				getNodes().addAll((Collection<? extends Node>)newValue);
+				return;
+			case GraphPackage.GRAPH__TYPEGRAPH:
+				setTypegraph((EPackage)newValue);
+				return;
+			case GraphPackage.GRAPH__NAME:
+				setName((String)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case GraphPackage.GRAPH__EDGES:
+				getEdges().clear();
+				return;
+			case GraphPackage.GRAPH__NODES:
+				getNodes().clear();
+				return;
+			case GraphPackage.GRAPH__TYPEGRAPH:
+				setTypegraph((EPackage)null);
+				return;
+			case GraphPackage.GRAPH__NAME:
+				setName(NAME_EDEFAULT);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case GraphPackage.GRAPH__EDGES:
+				return edges != null && !edges.isEmpty();
+			case GraphPackage.GRAPH__NODES:
+				return nodes != null && !nodes.isEmpty();
+			case GraphPackage.GRAPH__TYPEGRAPH:
+				return typegraph != null;
+			case GraphPackage.GRAPH__NAME:
+				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (name: ");
+		result.append(name);
+		result.append(')');
+		return result.toString();
+	}
+
+} //GraphImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/GraphPackageImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/GraphPackageImpl.java
new file mode 100644
index 0000000..a20484e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/GraphPackageImpl.java
@@ -0,0 +1,519 @@
+/**
+ */
+package graph.impl;
+
+import graph.Attribute;
+import graph.Edge;
+import graph.Graph;
+import graph.GraphFactory;
+import graph.GraphPackage;
+import graph.Node;
+
+import graph.util.GraphValidator;
+
+import laxcondition.LaxconditionPackage;
+
+import laxcondition.impl.LaxconditionPackageImpl;
+
+import nestedcondition.NestedconditionPackage;
+
+import nestedcondition.impl.NestedconditionPackageImpl;
+
+import nestedconstraintmodel.NestedconstraintmodelPackage;
+
+import nestedconstraintmodel.impl.NestedconstraintmodelPackageImpl;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+import org.eclipse.emf.ecore.EValidator;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class GraphPackageImpl extends EPackageImpl implements GraphPackage {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass graphEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass nodeEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass edgeEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass attributeEClass = null;
+
+	/**
+	 * Creates an instance of the model <b>Package</b>, registered with
+	 * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+	 * package URI value.
+	 * <p>Note: the correct way to create the package is via the static
+	 * factory method {@link #init init()}, which also performs
+	 * initialization of the package, or returns the registered package,
+	 * if one already exists.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.ecore.EPackage.Registry
+	 * @see graph.GraphPackage#eNS_URI
+	 * @see #init()
+	 * @generated
+	 */
+	private GraphPackageImpl() {
+		super(eNS_URI, GraphFactory.eINSTANCE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static boolean isInited = false;
+
+	/**
+	 * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+	 * 
+	 * <p>This method is used to initialize {@link GraphPackage#eINSTANCE} when that field is accessed.
+	 * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #eNS_URI
+	 * @see #createPackageContents()
+	 * @see #initializePackageContents()
+	 * @generated
+	 */
+	public static GraphPackage init() {
+		if (isInited) return (GraphPackage)EPackage.Registry.INSTANCE.getEPackage(GraphPackage.eNS_URI);
+
+		// Obtain or create and register package
+		GraphPackageImpl theGraphPackage = (GraphPackageImpl)(EPackage.Registry.INSTANCE.get(eNS_URI) instanceof GraphPackageImpl ? EPackage.Registry.INSTANCE.get(eNS_URI) : new GraphPackageImpl());
+
+		isInited = true;
+
+		// Obtain or create and register interdependencies
+		NestedconstraintmodelPackageImpl theNestedconstraintmodelPackage = (NestedconstraintmodelPackageImpl)(EPackage.Registry.INSTANCE.getEPackage(NestedconstraintmodelPackage.eNS_URI) instanceof NestedconstraintmodelPackageImpl ? EPackage.Registry.INSTANCE.getEPackage(NestedconstraintmodelPackage.eNS_URI) : NestedconstraintmodelPackage.eINSTANCE);
+		NestedconditionPackageImpl theNestedconditionPackage = (NestedconditionPackageImpl)(EPackage.Registry.INSTANCE.getEPackage(NestedconditionPackage.eNS_URI) instanceof NestedconditionPackageImpl ? EPackage.Registry.INSTANCE.getEPackage(NestedconditionPackage.eNS_URI) : NestedconditionPackage.eINSTANCE);
+		LaxconditionPackageImpl theLaxconditionPackage = (LaxconditionPackageImpl)(EPackage.Registry.INSTANCE.getEPackage(LaxconditionPackage.eNS_URI) instanceof LaxconditionPackageImpl ? EPackage.Registry.INSTANCE.getEPackage(LaxconditionPackage.eNS_URI) : LaxconditionPackage.eINSTANCE);
+
+		// Create package meta-data objects
+		theGraphPackage.createPackageContents();
+		theNestedconstraintmodelPackage.createPackageContents();
+		theNestedconditionPackage.createPackageContents();
+		theLaxconditionPackage.createPackageContents();
+
+		// Initialize created meta-data
+		theGraphPackage.initializePackageContents();
+		theNestedconstraintmodelPackage.initializePackageContents();
+		theNestedconditionPackage.initializePackageContents();
+		theLaxconditionPackage.initializePackageContents();
+
+		// Register package validator
+		EValidator.Registry.INSTANCE.put
+			(theGraphPackage, 
+			 new EValidator.Descriptor() {
+				 public EValidator getEValidator() {
+					 return GraphValidator.INSTANCE;
+				 }
+			 });
+
+		// Mark meta-data to indicate it can't be changed
+		theGraphPackage.freeze();
+
+  
+		// Update the registry and return the package
+		EPackage.Registry.INSTANCE.put(GraphPackage.eNS_URI, theGraphPackage);
+		return theGraphPackage;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getGraph() {
+		return graphEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getGraph_Edges() {
+		return (EReference)graphEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getGraph_Nodes() {
+		return (EReference)graphEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getGraph_Typegraph() {
+		return (EReference)graphEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getGraph_Name() {
+		return (EAttribute)graphEClass.getEStructuralFeatures().get(3);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getNode() {
+		return nodeEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getNode_Attributes() {
+		return (EReference)nodeEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getNode_Outgoing() {
+		return (EReference)nodeEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getNode_Name() {
+		return (EAttribute)nodeEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getNode_Incoming() {
+		return (EReference)nodeEClass.getEStructuralFeatures().get(3);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getNode_Type() {
+		return (EReference)nodeEClass.getEStructuralFeatures().get(4);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getEdge() {
+		return edgeEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getEdge_Source() {
+		return (EReference)edgeEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getEdge_Target() {
+		return (EReference)edgeEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getEdge_Type() {
+		return (EReference)edgeEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getAttribute() {
+		return attributeEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getAttribute_Op() {
+		return (EAttribute)attributeEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getAttribute_Value() {
+		return (EAttribute)attributeEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getAttribute_Type() {
+		return (EReference)attributeEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GraphFactory getGraphFactory() {
+		return (GraphFactory)getEFactoryInstance();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isCreated = false;
+
+	/**
+	 * Creates the meta-model objects for the package.  This method is
+	 * guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void createPackageContents() {
+		if (isCreated) return;
+		isCreated = true;
+
+		// Create classes and their features
+		graphEClass = createEClass(GRAPH);
+		createEReference(graphEClass, GRAPH__EDGES);
+		createEReference(graphEClass, GRAPH__NODES);
+		createEReference(graphEClass, GRAPH__TYPEGRAPH);
+		createEAttribute(graphEClass, GRAPH__NAME);
+
+		nodeEClass = createEClass(NODE);
+		createEReference(nodeEClass, NODE__ATTRIBUTES);
+		createEReference(nodeEClass, NODE__OUTGOING);
+		createEAttribute(nodeEClass, NODE__NAME);
+		createEReference(nodeEClass, NODE__INCOMING);
+		createEReference(nodeEClass, NODE__TYPE);
+
+		edgeEClass = createEClass(EDGE);
+		createEReference(edgeEClass, EDGE__SOURCE);
+		createEReference(edgeEClass, EDGE__TARGET);
+		createEReference(edgeEClass, EDGE__TYPE);
+
+		attributeEClass = createEClass(ATTRIBUTE);
+		createEAttribute(attributeEClass, ATTRIBUTE__OP);
+		createEAttribute(attributeEClass, ATTRIBUTE__VALUE);
+		createEReference(attributeEClass, ATTRIBUTE__TYPE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isInitialized = false;
+
+	/**
+	 * Complete the initialization of the package and its meta-model.  This
+	 * method is guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void initializePackageContents() {
+		if (isInitialized) return;
+		isInitialized = true;
+
+		// Initialize package
+		setName(eNAME);
+		setNsPrefix(eNS_PREFIX);
+		setNsURI(eNS_URI);
+
+		// Create type parameters
+
+		// Set bounds for type parameters
+
+		// Add supertypes to classes
+
+		// Initialize classes, features, and operations; add parameters
+		initEClass(graphEClass, Graph.class, "Graph", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getGraph_Edges(), this.getEdge(), null, "edges", null, 0, -1, Graph.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getGraph_Nodes(), this.getNode(), null, "nodes", null, 0, -1, Graph.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getGraph_Typegraph(), ecorePackage.getEPackage(), null, "typegraph", null, 1, 1, Graph.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEAttribute(getGraph_Name(), ecorePackage.getEString(), "name", null, 0, 1, Graph.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(nodeEClass, Node.class, "Node", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getNode_Attributes(), this.getAttribute(), null, "attributes", null, 0, -1, Node.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getNode_Outgoing(), this.getEdge(), this.getEdge_Source(), "outgoing", null, 0, -1, Node.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEAttribute(getNode_Name(), ecorePackage.getEString(), "name", null, 0, 1, Node.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getNode_Incoming(), this.getEdge(), this.getEdge_Target(), "incoming", null, 0, -1, Node.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getNode_Type(), ecorePackage.getEClass(), null, "type", null, 1, 1, Node.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(edgeEClass, Edge.class, "Edge", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getEdge_Source(), this.getNode(), this.getNode_Outgoing(), "source", null, 1, 1, Edge.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getEdge_Target(), this.getNode(), this.getNode_Incoming(), "target", null, 1, 1, Edge.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getEdge_Type(), ecorePackage.getEReference(), null, "type", null, 1, 1, Edge.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(attributeEClass, Attribute.class, "Attribute", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getAttribute_Op(), ecorePackage.getEString(), "op", null, 0, 1, Attribute.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEAttribute(getAttribute_Value(), ecorePackage.getEString(), "value", null, 0, 1, Attribute.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getAttribute_Type(), ecorePackage.getEAttribute(), null, "type", null, 1, 1, Attribute.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		// Create resource
+		createResource(eNS_URI);
+
+		// Create annotations
+		// http://www.eclipse.org/OCL/Import
+		createImportAnnotations();
+		// http://www.eclipse.org/emf/2002/Ecore
+		createEcoreAnnotations();
+		// http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot
+		createPivotAnnotations();
+	}
+
+	/**
+	 * Initializes the annotations for <b>http://www.eclipse.org/OCL/Import</b>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createImportAnnotations() {
+		String source = "http://www.eclipse.org/OCL/Import";	
+		addAnnotation
+		  (this, 
+		   source, 
+		   new String[] {
+			 "ecore", "http://www.eclipse.org/emf/2002/Ecore"
+		   });
+	}
+
+	/**
+	 * Initializes the annotations for <b>http://www.eclipse.org/emf/2002/Ecore</b>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createEcoreAnnotations() {
+		String source = "http://www.eclipse.org/emf/2002/Ecore";	
+		addAnnotation
+		  (this, 
+		   source, 
+		   new String[] {
+			 "invocationDelegates", "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+			 "settingDelegates", "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+			 "validationDelegates", "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot"
+		   });	
+		addAnnotation
+		  (graphEClass, 
+		   source, 
+		   new String[] {
+			 "constraints", "CorrectlyTypedNodes"
+		   });	
+		addAnnotation
+		  (nodeEClass, 
+		   source, 
+		   new String[] {
+			 "constraints", "CorrectlyTypedAttributes"
+		   });	
+		addAnnotation
+		  (edgeEClass, 
+		   source, 
+		   new String[] {
+			 "constraints", "CorrectlyTypedEdgesSourceNode CorrectlyTypedEdgesTargetNode"
+		   });
+	}
+
+	/**
+	 * Initializes the annotations for <b>http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot</b>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createPivotAnnotations() {
+		String source = "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot";	
+		addAnnotation
+		  (graphEClass, 
+		   source, 
+		   new String[] {
+			 "CorrectlyTypedNodes", "self.nodes -> forAll(node | self.typegraph.eClassifiers -> includes(node.type))"
+		   });	
+		addAnnotation
+		  (nodeEClass, 
+		   source, 
+		   new String[] {
+			 "CorrectlyTypedAttributes", "self.attributes -> forAll(attr | self.type.eAllAttributes -> includes(attr.type))"
+		   });	
+		addAnnotation
+		  (edgeEClass, 
+		   source, 
+		   new String[] {
+			 "CorrectlyTypedEdgesSourceNode", "self.source.type.eAllReferences -> includes(self.type)",
+			 "CorrectlyTypedEdgesTargetNode", "(self.target.type = self.type.eReferenceType) or (self.target.type.eAllSuperTypes -> includes(self.type.eReferenceType))"
+		   });
+	}
+
+} //GraphPackageImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/NodeImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/NodeImpl.java
new file mode 100644
index 0000000..1630eb4
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/impl/NodeImpl.java
@@ -0,0 +1,398 @@
+/**
+ */
+package graph.impl;
+
+import graph.Attribute;
+import graph.Edge;
+import graph.GraphPackage;
+import graph.Node;
+
+import java.util.Arrays;
+import java.util.Collection;
+import java.util.List;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.EObjectWithInverseResolvingEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Node</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link graph.impl.NodeImpl#getAttributes <em>Attributes</em>}</li>
+ *   <li>{@link graph.impl.NodeImpl#getOutgoing <em>Outgoing</em>}</li>
+ *   <li>{@link graph.impl.NodeImpl#getName <em>Name</em>}</li>
+ *   <li>{@link graph.impl.NodeImpl#getIncoming <em>Incoming</em>}</li>
+ *   <li>{@link graph.impl.NodeImpl#getType <em>Type</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class NodeImpl extends MinimalEObjectImpl.Container implements Node {
+	/**
+	 * The cached value of the '{@link #getAttributes() <em>Attributes</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getAttributes()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Attribute> attributes;
+
+	/**
+	 * The cached value of the '{@link #getOutgoing() <em>Outgoing</em>}' reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getOutgoing()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Edge> outgoing;
+
+	/**
+	 * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final String NAME_EDEFAULT = null;
+
+	/**
+	 * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected String name = NAME_EDEFAULT;
+
+	/**
+	 * The cached value of the '{@link #getIncoming() <em>Incoming</em>}' reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getIncoming()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Edge> incoming;
+
+	/**
+	 * The cached value of the '{@link #getType() <em>Type</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getType()
+	 * @generated
+	 * @ordered
+	 */
+	protected EClass type;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NodeImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return GraphPackage.Literals.NODE;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Attribute> getAttributes() {
+		if (attributes == null) {
+			attributes = new EObjectContainmentEList<Attribute>(Attribute.class, this, GraphPackage.NODE__ATTRIBUTES);
+		}
+		return attributes;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Edge> getOutgoing() {
+		if (outgoing == null) {
+			outgoing = new EObjectWithInverseResolvingEList<Edge>(Edge.class, this, GraphPackage.NODE__OUTGOING, GraphPackage.EDGE__SOURCE);
+		}
+		return outgoing;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		String oldName = name;
+		name = newName;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, GraphPackage.NODE__NAME, oldName, name));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Edge> getIncoming() {
+		if (incoming == null) {
+			incoming = new EObjectWithInverseResolvingEList<Edge>(Edge.class, this, GraphPackage.NODE__INCOMING, GraphPackage.EDGE__TARGET);
+		}
+		return incoming;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getType() {
+		if (type != null && type.eIsProxy()) {
+			InternalEObject oldType = (InternalEObject)type;
+			type = (EClass)eResolveProxy(oldType);
+			if (type != oldType) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, GraphPackage.NODE__TYPE, oldType, type));
+			}
+		}
+		return type;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass basicGetType() {
+		return type;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setType(EClass newType) {
+		EClass oldType = type;
+		type = newType;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, GraphPackage.NODE__TYPE, oldType, type));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case GraphPackage.NODE__OUTGOING:
+				return ((InternalEList<InternalEObject>)(InternalEList<?>)getOutgoing()).basicAdd(otherEnd, msgs);
+			case GraphPackage.NODE__INCOMING:
+				return ((InternalEList<InternalEObject>)(InternalEList<?>)getIncoming()).basicAdd(otherEnd, msgs);
+		}
+		return super.eInverseAdd(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case GraphPackage.NODE__ATTRIBUTES:
+				return ((InternalEList<?>)getAttributes()).basicRemove(otherEnd, msgs);
+			case GraphPackage.NODE__OUTGOING:
+				return ((InternalEList<?>)getOutgoing()).basicRemove(otherEnd, msgs);
+			case GraphPackage.NODE__INCOMING:
+				return ((InternalEList<?>)getIncoming()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case GraphPackage.NODE__ATTRIBUTES:
+				return getAttributes();
+			case GraphPackage.NODE__OUTGOING:
+				return getOutgoing();
+			case GraphPackage.NODE__NAME:
+				return getName();
+			case GraphPackage.NODE__INCOMING:
+				return getIncoming();
+			case GraphPackage.NODE__TYPE:
+				if (resolve) return getType();
+				return basicGetType();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case GraphPackage.NODE__ATTRIBUTES:
+				getAttributes().clear();
+				getAttributes().addAll((Collection<? extends Attribute>)newValue);
+				return;
+			case GraphPackage.NODE__OUTGOING:
+				getOutgoing().clear();
+				getOutgoing().addAll((Collection<? extends Edge>)newValue);
+				return;
+			case GraphPackage.NODE__NAME:
+				setName((String)newValue);
+				return;
+			case GraphPackage.NODE__INCOMING:
+				getIncoming().clear();
+				getIncoming().addAll((Collection<? extends Edge>)newValue);
+				return;
+			case GraphPackage.NODE__TYPE:
+				setType((EClass)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case GraphPackage.NODE__ATTRIBUTES:
+				getAttributes().clear();
+				return;
+			case GraphPackage.NODE__OUTGOING:
+				getOutgoing().clear();
+				return;
+			case GraphPackage.NODE__NAME:
+				setName(NAME_EDEFAULT);
+				return;
+			case GraphPackage.NODE__INCOMING:
+				getIncoming().clear();
+				return;
+			case GraphPackage.NODE__TYPE:
+				setType((EClass)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case GraphPackage.NODE__ATTRIBUTES:
+				return attributes != null && !attributes.isEmpty();
+			case GraphPackage.NODE__OUTGOING:
+				return outgoing != null && !outgoing.isEmpty();
+			case GraphPackage.NODE__NAME:
+				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+			case GraphPackage.NODE__INCOMING:
+				return incoming != null && !incoming.isEmpty();
+			case GraphPackage.NODE__TYPE:
+				return type != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (name: ");
+		result.append(name);
+		result.append(')');
+		return result.toString();
+	}
+
+	public List<String> getNames() {
+		String[] names = name.split("=");
+		return Arrays.asList(names);
+	}
+
+	public void removeName(String name) {
+		String[] names = this.name.split("=");
+		this.name = names[0];
+		for (int i=1; i < names.length; i++) {
+			if (! names[i].equals(name)) {
+				this.name += "=" + names[i];
+			}
+		}
+	}
+
+	public void addNames(List<String> names) {
+		for (String str : names) {
+			if (! getNames().contains(str))
+				this.name += "=" + str;
+		}
+	}
+
+} //NodeImpl
+
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/GraphAdapterFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/GraphAdapterFactory.java
new file mode 100644
index 0000000..c22de38
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/GraphAdapterFactory.java
@@ -0,0 +1,174 @@
+/**
+ */
+package graph.util;
+
+import graph.*;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.common.notify.impl.AdapterFactoryImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Adapter Factory</b> for the model.
+ * It provides an adapter <code>createXXX</code> method for each class of the model.
+ * <!-- end-user-doc -->
+ * @see graph.GraphPackage
+ * @generated
+ */
+public class GraphAdapterFactory extends AdapterFactoryImpl {
+	/**
+	 * The cached model package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static GraphPackage modelPackage;
+
+	/**
+	 * Creates an instance of the adapter factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GraphAdapterFactory() {
+		if (modelPackage == null) {
+			modelPackage = GraphPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Returns whether this factory is applicable for the type of the object.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns <code>true</code> if the object is either the model's package or is an instance object of the model.
+	 * <!-- end-user-doc -->
+	 * @return whether this factory is applicable for the type of the object.
+	 * @generated
+	 */
+	@Override
+	public boolean isFactoryForType(Object object) {
+		if (object == modelPackage) {
+			return true;
+		}
+		if (object instanceof EObject) {
+			return ((EObject)object).eClass().getEPackage() == modelPackage;
+		}
+		return false;
+	}
+
+	/**
+	 * The switch that delegates to the <code>createXXX</code> methods.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected GraphSwitch<Adapter> modelSwitch =
+		new GraphSwitch<Adapter>() {
+			@Override
+			public Adapter caseGraph(Graph object) {
+				return createGraphAdapter();
+			}
+			@Override
+			public Adapter caseNode(Node object) {
+				return createNodeAdapter();
+			}
+			@Override
+			public Adapter caseEdge(Edge object) {
+				return createEdgeAdapter();
+			}
+			@Override
+			public Adapter caseAttribute(Attribute object) {
+				return createAttributeAdapter();
+			}
+			@Override
+			public Adapter defaultCase(EObject object) {
+				return createEObjectAdapter();
+			}
+		};
+
+	/**
+	 * Creates an adapter for the <code>target</code>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param target the object to adapt.
+	 * @return the adapter for the <code>target</code>.
+	 * @generated
+	 */
+	@Override
+	public Adapter createAdapter(Notifier target) {
+		return modelSwitch.doSwitch((EObject)target);
+	}
+
+
+	/**
+	 * Creates a new adapter for an object of class '{@link graph.Graph <em>Graph</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see graph.Graph
+	 * @generated
+	 */
+	public Adapter createGraphAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link graph.Node <em>Node</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see graph.Node
+	 * @generated
+	 */
+	public Adapter createNodeAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link graph.Edge <em>Edge</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see graph.Edge
+	 * @generated
+	 */
+	public Adapter createEdgeAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link graph.Attribute <em>Attribute</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see graph.Attribute
+	 * @generated
+	 */
+	public Adapter createAttributeAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for the default case.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @generated
+	 */
+	public Adapter createEObjectAdapter() {
+		return null;
+	}
+
+} //GraphAdapterFactory
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/GraphSwitch.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/GraphSwitch.java
new file mode 100644
index 0000000..c185991
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/GraphSwitch.java
@@ -0,0 +1,173 @@
+/**
+ */
+package graph.util;
+
+import graph.*;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.util.Switch;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Switch</b> for the model's inheritance hierarchy.
+ * It supports the call {@link #doSwitch(EObject) doSwitch(object)}
+ * to invoke the <code>caseXXX</code> method for each class of the model,
+ * starting with the actual class of the object
+ * and proceeding up the inheritance hierarchy
+ * until a non-null result is returned,
+ * which is the result of the switch.
+ * <!-- end-user-doc -->
+ * @see graph.GraphPackage
+ * @generated
+ */
+public class GraphSwitch<T> extends Switch<T> {
+	/**
+	 * The cached model package
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static GraphPackage modelPackage;
+
+	/**
+	 * Creates an instance of the switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GraphSwitch() {
+		if (modelPackage == null) {
+			modelPackage = GraphPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Checks whether this is a switch for the given package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param ePackage the package in question.
+	 * @return whether this is a switch for the given package.
+	 * @generated
+	 */
+	@Override
+	protected boolean isSwitchFor(EPackage ePackage) {
+		return ePackage == modelPackage;
+	}
+
+	/**
+	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the first non-null result returned by a <code>caseXXX</code> call.
+	 * @generated
+	 */
+	@Override
+	protected T doSwitch(int classifierID, EObject theEObject) {
+		switch (classifierID) {
+			case GraphPackage.GRAPH: {
+				Graph graph = (Graph)theEObject;
+				T result = caseGraph(graph);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case GraphPackage.NODE: {
+				Node node = (Node)theEObject;
+				T result = caseNode(node);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case GraphPackage.EDGE: {
+				Edge edge = (Edge)theEObject;
+				T result = caseEdge(edge);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case GraphPackage.ATTRIBUTE: {
+				Attribute attribute = (Attribute)theEObject;
+				T result = caseAttribute(attribute);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			default: return defaultCase(theEObject);
+		}
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Graph</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Graph</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseGraph(Graph object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Node</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Node</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseNode(Node object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Edge</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Edge</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseEdge(Edge object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Attribute</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Attribute</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseAttribute(Attribute object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch, but this is the last case anyway.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject)
+	 * @generated
+	 */
+	@Override
+	public T defaultCase(EObject object) {
+		return null;
+	}
+
+} //GraphSwitch
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/GraphValidator.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/GraphValidator.java
new file mode 100644
index 0000000..d0993c1
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/GraphValidator.java
@@ -0,0 +1,299 @@
+/**
+ */
+package graph.util;
+
+import graph.*;
+
+import java.util.Map;
+
+import org.eclipse.emf.common.util.Diagnostic;
+import org.eclipse.emf.common.util.DiagnosticChain;
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.util.EObjectValidator;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Validator</b> for the model.
+ * <!-- end-user-doc -->
+ * @see graph.GraphPackage
+ * @generated
+ */
+public class GraphValidator extends EObjectValidator {
+	/**
+	 * The cached model package
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final GraphValidator INSTANCE = new GraphValidator();
+
+	/**
+	 * A constant for the {@link org.eclipse.emf.common.util.Diagnostic#getSource() source} of diagnostic {@link org.eclipse.emf.common.util.Diagnostic#getCode() codes} from this package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.common.util.Diagnostic#getSource()
+	 * @see org.eclipse.emf.common.util.Diagnostic#getCode()
+	 * @generated
+	 */
+	public static final String DIAGNOSTIC_SOURCE = "graph";
+
+	/**
+	 * A constant with a fixed name that can be used as the base value for additional hand written constants.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static final int GENERATED_DIAGNOSTIC_CODE_COUNT = 0;
+
+	/**
+	 * A constant with a fixed name that can be used as the base value for additional hand written constants in a derived class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final int DIAGNOSTIC_CODE_COUNT = GENERATED_DIAGNOSTIC_CODE_COUNT;
+
+	/**
+	 * Creates an instance of the switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public GraphValidator() {
+		super();
+	}
+
+	/**
+	 * Returns the package of this validator switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EPackage getEPackage() {
+	  return GraphPackage.eINSTANCE;
+	}
+
+	/**
+	 * Calls <code>validateXXX</code> for the corresponding classifier of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected boolean validate(int classifierID, Object value, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		switch (classifierID) {
+			case GraphPackage.GRAPH:
+				return validateGraph((Graph)value, diagnostics, context);
+			case GraphPackage.NODE:
+				return validateNode((Node)value, diagnostics, context);
+			case GraphPackage.EDGE:
+				return validateEdge((Edge)value, diagnostics, context);
+			case GraphPackage.ATTRIBUTE:
+				return validateAttribute((Attribute)value, diagnostics, context);
+			default:
+				return true;
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateGraph(Graph graph, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		if (!validate_NoCircularContainment(graph, diagnostics, context)) return false;
+		boolean result = validate_EveryMultiplicityConforms(graph, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryDataValueConforms(graph, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryReferenceIsContained(graph, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryBidirectionalReferenceIsPaired(graph, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryProxyResolves(graph, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_UniqueID(graph, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryKeyUnique(graph, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryMapEntryUnique(graph, diagnostics, context);
+		if (result || diagnostics != null) result &= validateGraph_CorrectlyTypedNodes(graph, diagnostics, context);
+		return result;
+	}
+
+	/**
+	 * The cached validation expression for the CorrectlyTypedNodes constraint of '<em>Graph</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String GRAPH__CORRECTLY_TYPED_NODES__EEXPRESSION = "self.nodes -> forAll(node | self.typegraph.eClassifiers -> includes(node.type))";
+
+	/**
+	 * Validates the CorrectlyTypedNodes constraint of '<em>Graph</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateGraph_CorrectlyTypedNodes(Graph graph, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(GraphPackage.Literals.GRAPH,
+				 graph,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "CorrectlyTypedNodes",
+				 GRAPH__CORRECTLY_TYPED_NODES__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateNode(Node node, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		if (!validate_NoCircularContainment(node, diagnostics, context)) return false;
+		boolean result = validate_EveryMultiplicityConforms(node, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryDataValueConforms(node, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryReferenceIsContained(node, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryBidirectionalReferenceIsPaired(node, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryProxyResolves(node, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_UniqueID(node, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryKeyUnique(node, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryMapEntryUnique(node, diagnostics, context);
+		if (result || diagnostics != null) result &= validateNode_CorrectlyTypedAttributes(node, diagnostics, context);
+		return result;
+	}
+
+	/**
+	 * The cached validation expression for the CorrectlyTypedAttributes constraint of '<em>Node</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String NODE__CORRECTLY_TYPED_ATTRIBUTES__EEXPRESSION = "self.attributes -> forAll(attr | self.type.eAllAttributes -> includes(attr.type))";
+
+	/**
+	 * Validates the CorrectlyTypedAttributes constraint of '<em>Node</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateNode_CorrectlyTypedAttributes(Node node, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(GraphPackage.Literals.NODE,
+				 node,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "CorrectlyTypedAttributes",
+				 NODE__CORRECTLY_TYPED_ATTRIBUTES__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateEdge(Edge edge, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		if (!validate_NoCircularContainment(edge, diagnostics, context)) return false;
+		boolean result = validate_EveryMultiplicityConforms(edge, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryDataValueConforms(edge, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryReferenceIsContained(edge, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryBidirectionalReferenceIsPaired(edge, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryProxyResolves(edge, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_UniqueID(edge, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryKeyUnique(edge, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryMapEntryUnique(edge, diagnostics, context);
+		if (result || diagnostics != null) result &= validateEdge_CorrectlyTypedEdgesSourceNode(edge, diagnostics, context);
+		if (result || diagnostics != null) result &= validateEdge_CorrectlyTypedEdgesTargetNode(edge, diagnostics, context);
+		return result;
+	}
+
+	/**
+	 * The cached validation expression for the CorrectlyTypedEdgesSourceNode constraint of '<em>Edge</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String EDGE__CORRECTLY_TYPED_EDGES_SOURCE_NODE__EEXPRESSION = "self.source.type.eAllReferences -> includes(self.type)";
+
+	/**
+	 * Validates the CorrectlyTypedEdgesSourceNode constraint of '<em>Edge</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateEdge_CorrectlyTypedEdgesSourceNode(Edge edge, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(GraphPackage.Literals.EDGE,
+				 edge,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "CorrectlyTypedEdgesSourceNode",
+				 EDGE__CORRECTLY_TYPED_EDGES_SOURCE_NODE__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * The cached validation expression for the CorrectlyTypedEdgesTargetNode constraint of '<em>Edge</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String EDGE__CORRECTLY_TYPED_EDGES_TARGET_NODE__EEXPRESSION = "(self.target.type = self.type.eReferenceType) or (self.target.type.eAllSuperTypes -> includes(self.type.eReferenceType))";
+
+	/**
+	 * Validates the CorrectlyTypedEdgesTargetNode constraint of '<em>Edge</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateEdge_CorrectlyTypedEdgesTargetNode(Edge edge, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(GraphPackage.Literals.EDGE,
+				 edge,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "CorrectlyTypedEdgesTargetNode",
+				 EDGE__CORRECTLY_TYPED_EDGES_TARGET_NODE__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateAttribute(Attribute attribute, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return validate_EveryDefaultConstraint(attribute, diagnostics, context);
+	}
+
+	/**
+	 * Returns the resource locator that will be used to fetch messages for this validator's diagnostics.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		// TODO
+		// Specialize this to return a resource locator for messages specific to this validator.
+		// Ensure that you remove @generated or mark it @generated NOT
+		return super.getResourceLocator();
+	}
+
+} //GraphValidator
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/extensions/Constants.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/extensions/Constants.java
new file mode 100644
index 0000000..4db920c
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/extensions/Constants.java
@@ -0,0 +1,60 @@
+package graph.util.extensions;
+
+public class Constants {
+
+	public static final String DOCUMENTCLASS = "\\documentclass[12pt]{article}\n";
+	public static final String DOCUMENTCLASS2 = "\\documentclass[12pt]{standalone}\n";
+	public static final String TIKZ_CELLULAR = "\\usepackage{texstyles/tikz-cellular}\n";
+	public static final String TIKZ_VCOND = "\\usepackage{texstyles/tikz-vcond}\n";
+	public static final String TIKZ_EXTENSION = "\\usepackage{texstyles/tikz-extension}\n";
+	public static final String TIKZ_ARROWS = "\\usetikzlibrary{arrows,arrows.meta}\n";
+
+	public static final String AMSSYMB = "\\usepackage{amssymb}\n";
+
+	public static final String BEGIN_DOCUMENT = "\\begin{document}\n";
+	public static final String END_DOCUMENT = "\n\\end{document}";
+
+	public static final String EMPTYSET = "\\emptyset";
+	public static final String TIKZ = "\\tikz";
+	public static final String SETBRACKETOPEN = " { ";
+	public static final String SETBRACKETCLOSE = " } ";
+
+	public static final String COMMA = ",";
+	public static final String NODE = "\\node";
+	public static final String BRACKETOPEN = " (";
+	public static final String BRACKETCLOSE = ") ";
+	public static final String SCLASS = "[SClass";
+	public static final String CLASSCLOSE = "]";
+	public static final String COLON = ":";
+	public static final String NORMALCLASS = "[Class";
+	public static final String GNODELABELCLASS = "\\gnodelabelClass";
+	public static final Object DOUBLEBS = " \\\\ ";
+	public static final String SEMICOLON = " ; ";
+	public static final String NEWLINE = "\n";
+	public static final String UNDERSCORE = "\\_";
+
+	public static final String SPACE = " ";
+
+	public static final String GEQ = ">=";
+	public static final String $GEQ$ = "$\\geq$";
+	public static final String NOTEQUALS = "<>";
+	public static final String NOTEQUALS2 = "!=";
+	public static final String $NOTEQUALS$ = "$<>$";
+	public static final String $NOTEQUALS2$ = "$!=$";
+	public static final String GRTH = ">";
+	public static final String $GRTH$ = "$>$";
+	public static final String EQUALS = "=";
+	public static final String $EQUALS$ = "$=$";
+	public static final String LSTH = "<";
+	public static final String $LSTH$ = "$<$";
+
+	public static final String DRAW = "\\draw [->] (";
+	public static final String DRAWCONTAINMENT = "\\draw [{Diamond}-{Stealth}]  (";
+	public static final String TONODE = " to node [above,sloped] { \\tiny ";
+
+	public static final String TEXFOLDER = "\\tex\\";
+	public static final String TEXSTYLEFOLDER = "\\texstyles\\";
+	public static final String GRAPH = "graph";
+	public static final String TEX = ".tex";
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/extensions/ExtendedNode.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/extensions/ExtendedNode.java
new file mode 100644
index 0000000..3f31eb5
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/extensions/ExtendedNode.java
@@ -0,0 +1,57 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package graph.util.extensions;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import graph.Node;
+
+public class ExtendedNode {
+
+	private Node node = null;
+	private ExtendedNode predecessor = null;
+	private List<ExtendedNode> successors;
+
+	public ExtendedNode(Node n) {
+		node = n;
+		successors = new ArrayList<ExtendedNode>();
+	}
+
+	public ExtendedNode getPredecessor() {
+		return predecessor;
+	}
+
+	public void setPredecessor(ExtendedNode predecessor) {
+		this.predecessor = predecessor;
+	}
+
+	public List<ExtendedNode> getSuccessors() {
+		return successors;
+	}
+
+	public void addSuccessor(ExtendedNode successor) {
+		Node successorNode = successor.getNode();
+		boolean exists = false;
+		for (ExtendedNode extendedNode : successors) {
+			if (extendedNode.getNode() == successorNode) {
+				exists = true;
+				break;
+			}
+		}
+		if (!exists)
+			this.successors.add(successor);
+	}
+
+	public Node getNode() {
+		return node;
+	}
+
+	public void setNode(Node node) {
+		this.node = node;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/extensions/GraphPrinter.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/extensions/GraphPrinter.java
new file mode 100644
index 0000000..23433d8
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/graph/util/extensions/GraphPrinter.java
@@ -0,0 +1,284 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package graph.util.extensions;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStreamWriter;
+import java.io.Writer;
+import java.net.URI;
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.core.resources.IProject;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.ui.IEditorInput;
+import org.eclipse.ui.IEditorPart;
+import org.eclipse.ui.IFileEditorInput;
+import org.eclipse.ui.IWorkbenchWindow;
+import org.eclipse.ui.PlatformUI;
+
+import graph.Attribute;
+import graph.Edge;
+import graph.Graph;
+import graph.Node;
+
+public class GraphPrinter {
+
+	private Graph graph;
+	private int lastPrinted;
+	private StringBuffer result;
+
+	public GraphPrinter(Graph graph) {
+		this.graph = graph;
+		this.lastPrinted = -1;
+	}
+
+	private List<ExtendedNode> getExtendedNodes(Graph graph) {
+		List<ExtendedNode> extNodes = new ArrayList<ExtendedNode>();
+		// create extended nodes
+		for (Node n : graph.getNodes()) {
+			extNodes.add(new ExtendedNode(n));
+		}
+		// add predecessor and successors
+		for (ExtendedNode extNode : extNodes) {
+			for (Edge edge : graph.getEdges()) {
+				if (extNode.getNode() == edge.getTarget()) {
+					extNode.setPredecessor(getExtendedNode(extNodes, edge.getSource()));
+				}
+				if (extNode.getNode() == edge.getSource()) {
+					extNode.addSuccessor(getExtendedNode(extNodes, edge.getTarget()));
+				}
+			}
+		}
+		// reduce roots
+		List<ExtendedNode> rootExtNodes = new ArrayList<ExtendedNode>();
+		for (ExtendedNode extNode : extNodes) {
+			if (extNode.getPredecessor() == null) {
+				rootExtNodes.add(extNode);
+			}
+		}
+		return rootExtNodes;
+	}
+
+	private ExtendedNode getExtendedNode(List<ExtendedNode> extNodes, Node node) {
+		for (ExtendedNode extNode : extNodes) {
+			if (extNode.getNode() == node) {
+				return extNode;
+			}
+		}
+		return null;
+	}
+
+	public void printDocument() {
+		result = new StringBuffer(printPreambel());
+		result.append(Constants.BEGIN_DOCUMENT);
+		result.append(printGraph());
+		result.append(Constants.END_DOCUMENT);
+		saveFile();
+	}
+
+	public String printPreambel() {
+		StringBuffer preambel = new StringBuffer(Constants.DOCUMENTCLASS);
+		preambel.append(Constants.TIKZ_CELLULAR);
+		preambel.append(Constants.TIKZ_VCOND);
+		preambel.append(Constants.TIKZ_EXTENSION);
+		preambel.append(Constants.AMSSYMB);
+		return preambel.toString();
+	}
+
+	public String printPreambel2() {
+		StringBuffer preambel = new StringBuffer(Constants.DOCUMENTCLASS2);
+		preambel.append(Constants.TIKZ_CELLULAR);
+		preambel.append(Constants.TIKZ_VCOND);
+		preambel.append(Constants.TIKZ_EXTENSION);
+		preambel.append(Constants.TIKZ_ARROWS);
+		preambel.append(Constants.AMSSYMB);
+		return preambel.toString();
+	}
+
+	public String printGraph() {
+		StringBuffer ret;
+		if (graph.getNodes().isEmpty()) {
+			ret = new StringBuffer(Constants.EMPTYSET);
+		} else {
+			ret = new StringBuffer(Constants.TIKZ + Constants.SETBRACKETOPEN);
+			ret.append(printExtendedNodes(getExtendedNodes(graph), false));
+			for (Edge edge : graph.getEdges()) {
+				ret.append(printEdge(edge));
+			}
+			ret.append(Constants.SETBRACKETCLOSE);
+		}
+		lastPrinted = -1;
+		return ret.toString();
+	}
+
+	private String printEdge(Edge edge) {
+		EList<Node> nodes = graph.getNodes();
+		StringBuffer ret;
+		if (edge.getType().isContainment())
+			ret = new StringBuffer(
+					Constants.DRAWCONTAINMENT + getNodeName(nodes, edge.getSource()) + Constants.BRACKETCLOSE);
+		else
+			ret = new StringBuffer(Constants.DRAW + getNodeName(nodes, edge.getSource()) + Constants.BRACKETCLOSE);
+		ret.append(Constants.TONODE + edge.getType().getName() + Constants.SETBRACKETCLOSE);
+		ret.append(Constants.BRACKETOPEN + getNodeName(nodes, edge.getTarget()) + Constants.BRACKETCLOSE
+				+ Constants.SEMICOLON + Constants.NEWLINE);
+		return ret.toString();
+	}
+
+	private String printExtendedNodes(List<ExtendedNode> extendedNodes, boolean succ) {
+		int source = -1;
+		if (succ && !extendedNodes.isEmpty()) {
+			source = graph.getNodes().indexOf(extendedNodes.get(0).getPredecessor().getNode());
+		}
+		StringBuffer ret = new StringBuffer();
+		for (int i = 0; i < extendedNodes.size(); i++) {
+			ret.append(printNode(extendedNodes.get(i).getNode(), i, succ, source));
+			this.lastPrinted = graph.getNodes().indexOf(extendedNodes.get(i).getNode());
+		}
+		for (int i = 0; i < extendedNodes.size(); i++) {
+			ret.append(printExtendedNodes(extendedNodes.get(i).getSuccessors(), true));
+		}
+		return ret.toString();
+	}
+
+	private String printNode(Node node, int index, boolean succ, int source) {
+		EList<Node> nodes = graph.getNodes();
+		String sro = "";
+		if (lastPrinted > -1) {
+			sro = Constants.COMMA;
+			if (source < 0) {
+				sro += " strictly below of= " + getNodeName(nodes, nodes.get(lastPrinted)) + ",node distance=4em";
+			} else {
+				sro += " strictly right of= " + getNodeName(nodes, nodes.get(source)) + ",node distance=4em";
+			}
+			if (succ && index > 0) {
+				if (index == 1) {
+					sro += Constants.COMMA + " above=4ex";
+				} else {
+					sro += Constants.COMMA + " below=4ex";
+				}
+			}
+		}
+		StringBuffer ret = new StringBuffer(
+				Constants.NODE + Constants.BRACKETOPEN + getNodeName(nodes, node) + Constants.BRACKETCLOSE);
+		if (node.getAttributes().isEmpty()) {
+			ret.append(Constants.SCLASS + sro + Constants.CLASSCLOSE + Constants.SETBRACKETOPEN);
+			if (node.getName() != null && !node.getName().isEmpty()) {
+				ret.append(node.getName());
+			}
+			ret.append(Constants.COLON + node.getType().getName());
+			ret.append(Constants.SETBRACKETCLOSE);
+		} else {
+			ret.append(Constants.NORMALCLASS + sro + Constants.CLASSCLOSE + Constants.SETBRACKETOPEN);
+			ret.append(Constants.GNODELABELCLASS + Constants.SETBRACKETOPEN);
+			if (node.getName() != null && !node.getName().isEmpty()) {
+				ret.append(node.getName());
+			}
+			ret.append(Constants.COLON + node.getType().getName() + Constants.SETBRACKETCLOSE);
+			if (!node.getAttributes().isEmpty())
+				ret.append(Constants.SETBRACKETOPEN);
+			for (Attribute attr : node.getAttributes()) {
+				if (node.getAttributes().indexOf(attr) != 0)
+					ret.append(Constants.DOUBLEBS);
+				ret.append(printAttribute(attr));
+			}
+			if (!node.getAttributes().isEmpty())
+				ret.append(Constants.SETBRACKETCLOSE);
+			ret.append(Constants.SETBRACKETCLOSE);
+		}
+		ret.append(Constants.SEMICOLON + Constants.NEWLINE);
+		return ret.toString();
+	}
+
+	private String getNodeName(EList<Node> nodes, Node n) {
+		if (n.getName() != null && !n.getName().isEmpty()) {
+			return n.getName();
+		} else {
+			return "n" + String.valueOf(nodes.indexOf(n));
+		}
+	}
+
+	private String printAttribute(Attribute attr) {
+		StringBuffer ret = new StringBuffer(attr.getType().getName());
+		ret.append(Constants.SPACE);
+		ret.append(printOp(attr.getOp()));
+		ret.append(Constants.SPACE);
+		if (attr.getValue() == null || attr.getValue().isEmpty())
+			ret.append("' '");
+		else
+			ret.append(attr.getValue());
+		return ret.toString();
+	}
+
+	private String printOp(String op) {
+		// TODO to be extended
+		if (op.equals(Constants.GEQ)) {
+			return Constants.$GEQ$;
+		}
+		if (op.equals(Constants.NOTEQUALS)) {
+			return Constants.$NOTEQUALS$;
+		}
+
+		if (op.equals(Constants.NOTEQUALS2)) {
+			return Constants.$NOTEQUALS2$;
+		}
+
+		if (op.equals(Constants.GRTH)) {
+			return Constants.$GRTH$;
+		}
+		if (op.equals(Constants.EQUALS)) {
+			return Constants.$EQUALS$;
+		}
+		if (op.equals(Constants.LSTH)) {
+			return Constants.$LSTH$;
+		}
+		return "TODO";
+	}
+
+	private void saveFile() {
+		URI uri = getActualProject().getLocationURI();
+		String path = uri.getPath().concat(Constants.TEXFOLDER + Constants.GRAPH + Constants.TEX);
+		File file = new File(path);
+		Writer writer = null;
+		try {
+			writer = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file)));
+			writer.write(result.toString());
+		} catch (IOException e) {
+			e.printStackTrace();
+		} finally {
+			try {
+				writer.close();
+				getActualProject().refreshLocal(IProject.DEPTH_INFINITE, null);
+			} catch (Exception e) {
+				e.printStackTrace();
+			}
+		}
+	}
+
+	@SuppressWarnings("finally")
+	private IProject getActualProject() {
+		IProject actualProject = null;
+		IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow();
+		try {
+			IEditorPart editorPart = window.getActivePage().getActiveEditor();
+			if (editorPart != null) {
+				IEditorInput input = editorPart.getEditorInput();
+				if (input instanceof IFileEditorInput) {
+					IFileEditorInput fileInput = (IFileEditorInput) input;
+					actualProject = fileInput.getFile().getProject();
+				}
+			}
+		} catch (Exception e) {
+			e.printStackTrace();
+		} finally {
+			return actualProject;
+		}
+	}
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Condition.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Condition.java
new file mode 100644
index 0000000..9982fe8
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Condition.java
@@ -0,0 +1,106 @@
+/**
+ */
+package laxcondition;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Condition</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link laxcondition.Condition#getTypeGraph <em>Type Graph</em>}</li>
+ *   <li>{@link laxcondition.Condition#getName <em>Name</em>}</li>
+ *   <li>{@link laxcondition.Condition#getLaxCondition <em>Lax Condition</em>}</li>
+ * </ul>
+ *
+ * @see laxcondition.LaxconditionPackage#getCondition()
+ * @model annotation="http://www.eclipse.org/emf/2002/Ecore constraints='TypeGraphConsistency'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot TypeGraphConsistency='graph_0::Graph.allInstances() -> forAll(g|g.typegraph = self.typeGraph)'"
+ * @generated
+ */
+public interface Condition extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Type Graph</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Type Graph</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Type Graph</em>' reference.
+	 * @see #setTypeGraph(EPackage)
+	 * @see laxcondition.LaxconditionPackage#getCondition_TypeGraph()
+	 * @model required="true"
+	 * @generated
+	 */
+	EPackage getTypeGraph();
+
+	/**
+	 * Sets the value of the '{@link laxcondition.Condition#getTypeGraph <em>Type Graph</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Type Graph</em>' reference.
+	 * @see #getTypeGraph()
+	 * @generated
+	 */
+	void setTypeGraph(EPackage value);
+
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see laxcondition.LaxconditionPackage#getCondition_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link laxcondition.Condition#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+	/**
+	 * Returns the value of the '<em><b>Lax Condition</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Lax Condition</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Lax Condition</em>' containment reference.
+	 * @see #setLaxCondition(LaxCondition)
+	 * @see laxcondition.LaxconditionPackage#getCondition_LaxCondition()
+	 * @model containment="true" required="true"
+	 * @generated
+	 */
+	LaxCondition getLaxCondition();
+
+	/**
+	 * Sets the value of the '{@link laxcondition.Condition#getLaxCondition <em>Lax Condition</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Lax Condition</em>' containment reference.
+	 * @see #getLaxCondition()
+	 * @generated
+	 */
+	void setLaxCondition(LaxCondition value);
+
+} // Condition
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Formula.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Formula.java
new file mode 100644
index 0000000..bbe2968
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Formula.java
@@ -0,0 +1,74 @@
+/**
+ */
+package laxcondition;
+
+import org.eclipse.emf.common.util.EList;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Formula</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link laxcondition.Formula#getOp <em>Op</em>}</li>
+ *   <li>{@link laxcondition.Formula#getArguments <em>Arguments</em>}</li>
+ * </ul>
+ *
+ * @see laxcondition.LaxconditionPackage#getFormula()
+ * @model annotation="http://www.eclipse.org/emf/2002/Ecore constraints='OneArgumentForNOT AtLeastTwoArgumentForANDOR TwoArgumentForIMPLEQUALXOR'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot OneArgumentForNOT='(self.op = Operator::NOT) implies (self.arguments -> size() = 1)' AtLeastTwoArgumentForANDOR='((self.op = Operator::AND) or (self.op = Operator::OR)) implies (self.arguments -> size() > 1)' TwoArgumentForIMPLEQUALXOR='((self.op = Operator::IMPLIES) or (self.op = Operator::EQUIVALENT) or (self.op = Operator::XOR)) implies (self.arguments -> size() = 2)'"
+ * @generated
+ */
+public interface Formula extends LaxCondition {
+	/**
+	 * Returns the value of the '<em><b>Op</b></em>' attribute.
+	 * The default value is <code>"NOT"</code>.
+	 * The literals are from the enumeration {@link laxcondition.Operator}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Op</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Op</em>' attribute.
+	 * @see laxcondition.Operator
+	 * @see #setOp(Operator)
+	 * @see laxcondition.LaxconditionPackage#getFormula_Op()
+	 * @model default="NOT" required="true"
+	 * @generated
+	 */
+	Operator getOp();
+
+	/**
+	 * Sets the value of the '{@link laxcondition.Formula#getOp <em>Op</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Op</em>' attribute.
+	 * @see laxcondition.Operator
+	 * @see #getOp()
+	 * @generated
+	 */
+	void setOp(Operator value);
+
+	/**
+	 * Returns the value of the '<em><b>Arguments</b></em>' containment reference list.
+	 * The list contents are of type {@link laxcondition.LaxCondition}.
+	 * It is bidirectional and its opposite is '{@link laxcondition.LaxCondition#getFormula <em>Formula</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Arguments</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Arguments</em>' containment reference list.
+	 * @see laxcondition.LaxconditionPackage#getFormula_Arguments()
+	 * @see laxcondition.LaxCondition#getFormula
+	 * @model opposite="formula" containment="true" required="true"
+	 * @generated
+	 */
+	EList<LaxCondition> getArguments();
+
+} // Formula
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/LaxCondition.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/LaxCondition.java
new file mode 100644
index 0000000..768c742
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/LaxCondition.java
@@ -0,0 +1,52 @@
+/**
+ */
+package laxcondition;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Lax Condition</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link laxcondition.LaxCondition#getFormula <em>Formula</em>}</li>
+ * </ul>
+ *
+ * @see laxcondition.LaxconditionPackage#getLaxCondition()
+ * @model abstract="true"
+ * @generated
+ */
+public interface LaxCondition extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Formula</b></em>' container reference.
+	 * It is bidirectional and its opposite is '{@link laxcondition.Formula#getArguments <em>Arguments</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Formula</em>' container reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Formula</em>' container reference.
+	 * @see #setFormula(Formula)
+	 * @see laxcondition.LaxconditionPackage#getLaxCondition_Formula()
+	 * @see laxcondition.Formula#getArguments
+	 * @model opposite="arguments" transient="false"
+	 * @generated
+	 */
+	Formula getFormula();
+
+	/**
+	 * Sets the value of the '{@link laxcondition.LaxCondition#getFormula <em>Formula</em>}' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Formula</em>' container reference.
+	 * @see #getFormula()
+	 * @generated
+	 */
+	void setFormula(Formula value);
+
+} // LaxCondition
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/LaxconditionFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/LaxconditionFactory.java
new file mode 100644
index 0000000..acbb796
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/LaxconditionFactory.java
@@ -0,0 +1,78 @@
+/**
+ */
+package laxcondition;
+
+import org.eclipse.emf.ecore.EFactory;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Factory</b> for the model.
+ * It provides a create method for each non-abstract class of the model.
+ * <!-- end-user-doc -->
+ * @see laxcondition.LaxconditionPackage
+ * @generated
+ */
+public interface LaxconditionFactory extends EFactory {
+	/**
+	 * The singleton instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	LaxconditionFactory eINSTANCE = laxcondition.impl.LaxconditionFactoryImpl.init();
+
+	/**
+	 * Returns a new object of class '<em>Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Condition</em>'.
+	 * @generated
+	 */
+	Condition createCondition();
+
+	/**
+	 * Returns a new object of class '<em>Quantified Lax Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Quantified Lax Condition</em>'.
+	 * @generated
+	 */
+	QuantifiedLaxCondition createQuantifiedLaxCondition();
+
+	/**
+	 * Returns a new object of class '<em>True</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>True</em>'.
+	 * @generated
+	 */
+	True createTrue();
+
+	/**
+	 * Returns a new object of class '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Formula</em>'.
+	 * @generated
+	 */
+	Formula createFormula();
+
+	/**
+	 * Returns a new object of class '<em>Variable</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Variable</em>'.
+	 * @generated
+	 */
+	Variable createVariable();
+
+	/**
+	 * Returns the package supported by this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the package supported by this factory.
+	 * @generated
+	 */
+	LaxconditionPackage getLaxconditionPackage();
+
+} //LaxconditionFactory
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/LaxconditionPackage.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/LaxconditionPackage.java
new file mode 100644
index 0000000..2878925
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/LaxconditionPackage.java
@@ -0,0 +1,771 @@
+/**
+ */
+package laxcondition;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EEnum;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Package</b> for the model.
+ * It contains accessors for the meta objects to represent
+ * <ul>
+ *   <li>each class,</li>
+ *   <li>each feature of each class,</li>
+ *   <li>each operation of each class,</li>
+ *   <li>each enum,</li>
+ *   <li>and each data type</li>
+ * </ul>
+ * <!-- end-user-doc -->
+ * @see laxcondition.LaxconditionFactory
+ * @model kind="package"
+ *        annotation="http://www.eclipse.org/OCL/Import ecore='http://www.eclipse.org/emf/2002/Ecore' graph_0='graph.ecore#/'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore invocationDelegates='http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot' settingDelegates='http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot' validationDelegates='http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot'"
+ * @generated
+ */
+public interface LaxconditionPackage extends EPackage {
+	/**
+	 * The package name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNAME = "laxcondition";
+
+	/**
+	 * The package namespace URI.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_URI = "http://www.example.org/laxcondition";
+
+	/**
+	 * The package namespace name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_PREFIX = "laxcondition";
+
+	/**
+	 * The singleton instance of the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	LaxconditionPackage eINSTANCE = laxcondition.impl.LaxconditionPackageImpl.init();
+
+	/**
+	 * The meta object id for the '{@link laxcondition.impl.ConditionImpl <em>Condition</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see laxcondition.impl.ConditionImpl
+	 * @see laxcondition.impl.LaxconditionPackageImpl#getCondition()
+	 * @generated
+	 */
+	int CONDITION = 0;
+
+	/**
+	 * The feature id for the '<em><b>Type Graph</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int CONDITION__TYPE_GRAPH = 0;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int CONDITION__NAME = 1;
+
+	/**
+	 * The feature id for the '<em><b>Lax Condition</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int CONDITION__LAX_CONDITION = 2;
+
+	/**
+	 * The number of structural features of the '<em>Condition</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int CONDITION_FEATURE_COUNT = 3;
+
+	/**
+	 * The number of operations of the '<em>Condition</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int CONDITION_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link laxcondition.impl.LaxConditionImpl <em>Lax Condition</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see laxcondition.impl.LaxConditionImpl
+	 * @see laxcondition.impl.LaxconditionPackageImpl#getLaxCondition()
+	 * @generated
+	 */
+	int LAX_CONDITION = 1;
+
+	/**
+	 * The feature id for the '<em><b>Formula</b></em>' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int LAX_CONDITION__FORMULA = 0;
+
+	/**
+	 * The number of structural features of the '<em>Lax Condition</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int LAX_CONDITION_FEATURE_COUNT = 1;
+
+	/**
+	 * The number of operations of the '<em>Lax Condition</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int LAX_CONDITION_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link laxcondition.impl.QuantifiedLaxConditionImpl <em>Quantified Lax Condition</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see laxcondition.impl.QuantifiedLaxConditionImpl
+	 * @see laxcondition.impl.LaxconditionPackageImpl#getQuantifiedLaxCondition()
+	 * @generated
+	 */
+	int QUANTIFIED_LAX_CONDITION = 2;
+
+	/**
+	 * The feature id for the '<em><b>Formula</b></em>' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_LAX_CONDITION__FORMULA = LAX_CONDITION__FORMULA;
+
+	/**
+	 * The feature id for the '<em><b>Graph</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_LAX_CONDITION__GRAPH = LAX_CONDITION_FEATURE_COUNT + 0;
+
+	/**
+	 * The feature id for the '<em><b>Condition</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_LAX_CONDITION__CONDITION = LAX_CONDITION_FEATURE_COUNT + 1;
+
+	/**
+	 * The feature id for the '<em><b>Quantifier</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_LAX_CONDITION__QUANTIFIER = LAX_CONDITION_FEATURE_COUNT + 2;
+
+	/**
+	 * The feature id for the '<em><b>Variables</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_LAX_CONDITION__VARIABLES = LAX_CONDITION_FEATURE_COUNT + 3;
+
+	/**
+	 * The number of structural features of the '<em>Quantified Lax Condition</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_LAX_CONDITION_FEATURE_COUNT = LAX_CONDITION_FEATURE_COUNT + 4;
+
+	/**
+	 * The number of operations of the '<em>Quantified Lax Condition</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_LAX_CONDITION_OPERATION_COUNT = LAX_CONDITION_OPERATION_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link laxcondition.impl.TrueImpl <em>True</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see laxcondition.impl.TrueImpl
+	 * @see laxcondition.impl.LaxconditionPackageImpl#getTrue()
+	 * @generated
+	 */
+	int TRUE = 3;
+
+	/**
+	 * The feature id for the '<em><b>Formula</b></em>' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int TRUE__FORMULA = LAX_CONDITION__FORMULA;
+
+	/**
+	 * The number of structural features of the '<em>True</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int TRUE_FEATURE_COUNT = LAX_CONDITION_FEATURE_COUNT + 0;
+
+	/**
+	 * The number of operations of the '<em>True</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int TRUE_OPERATION_COUNT = LAX_CONDITION_OPERATION_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link laxcondition.impl.FormulaImpl <em>Formula</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see laxcondition.impl.FormulaImpl
+	 * @see laxcondition.impl.LaxconditionPackageImpl#getFormula()
+	 * @generated
+	 */
+	int FORMULA = 4;
+
+	/**
+	 * The feature id for the '<em><b>Formula</b></em>' container reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int FORMULA__FORMULA = LAX_CONDITION__FORMULA;
+
+	/**
+	 * The feature id for the '<em><b>Op</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int FORMULA__OP = LAX_CONDITION_FEATURE_COUNT + 0;
+
+	/**
+	 * The feature id for the '<em><b>Arguments</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int FORMULA__ARGUMENTS = LAX_CONDITION_FEATURE_COUNT + 1;
+
+	/**
+	 * The number of structural features of the '<em>Formula</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int FORMULA_FEATURE_COUNT = LAX_CONDITION_FEATURE_COUNT + 2;
+
+	/**
+	 * The number of operations of the '<em>Formula</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int FORMULA_OPERATION_COUNT = LAX_CONDITION_OPERATION_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link laxcondition.impl.VariableImpl <em>Variable</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see laxcondition.impl.VariableImpl
+	 * @see laxcondition.impl.LaxconditionPackageImpl#getVariable()
+	 * @generated
+	 */
+	int VARIABLE = 5;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int VARIABLE__NAME = 0;
+
+	/**
+	 * The number of structural features of the '<em>Variable</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int VARIABLE_FEATURE_COUNT = 1;
+
+	/**
+	 * The number of operations of the '<em>Variable</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int VARIABLE_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link laxcondition.Quantifier <em>Quantifier</em>}' enum.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see laxcondition.Quantifier
+	 * @see laxcondition.impl.LaxconditionPackageImpl#getQuantifier()
+	 * @generated
+	 */
+	int QUANTIFIER = 6;
+
+	/**
+	 * The meta object id for the '{@link laxcondition.Operator <em>Operator</em>}' enum.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see laxcondition.Operator
+	 * @see laxcondition.impl.LaxconditionPackageImpl#getOperator()
+	 * @generated
+	 */
+	int OPERATOR = 7;
+
+
+	/**
+	 * Returns the meta object for class '{@link laxcondition.Condition <em>Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Condition</em>'.
+	 * @see laxcondition.Condition
+	 * @generated
+	 */
+	EClass getCondition();
+
+	/**
+	 * Returns the meta object for the reference '{@link laxcondition.Condition#getTypeGraph <em>Type Graph</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Type Graph</em>'.
+	 * @see laxcondition.Condition#getTypeGraph()
+	 * @see #getCondition()
+	 * @generated
+	 */
+	EReference getCondition_TypeGraph();
+
+	/**
+	 * Returns the meta object for the attribute '{@link laxcondition.Condition#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see laxcondition.Condition#getName()
+	 * @see #getCondition()
+	 * @generated
+	 */
+	EAttribute getCondition_Name();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link laxcondition.Condition#getLaxCondition <em>Lax Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>Lax Condition</em>'.
+	 * @see laxcondition.Condition#getLaxCondition()
+	 * @see #getCondition()
+	 * @generated
+	 */
+	EReference getCondition_LaxCondition();
+
+	/**
+	 * Returns the meta object for class '{@link laxcondition.LaxCondition <em>Lax Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Lax Condition</em>'.
+	 * @see laxcondition.LaxCondition
+	 * @generated
+	 */
+	EClass getLaxCondition();
+
+	/**
+	 * Returns the meta object for the container reference '{@link laxcondition.LaxCondition#getFormula <em>Formula</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the container reference '<em>Formula</em>'.
+	 * @see laxcondition.LaxCondition#getFormula()
+	 * @see #getLaxCondition()
+	 * @generated
+	 */
+	EReference getLaxCondition_Formula();
+
+	/**
+	 * Returns the meta object for class '{@link laxcondition.QuantifiedLaxCondition <em>Quantified Lax Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Quantified Lax Condition</em>'.
+	 * @see laxcondition.QuantifiedLaxCondition
+	 * @generated
+	 */
+	EClass getQuantifiedLaxCondition();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link laxcondition.QuantifiedLaxCondition#getGraph <em>Graph</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>Graph</em>'.
+	 * @see laxcondition.QuantifiedLaxCondition#getGraph()
+	 * @see #getQuantifiedLaxCondition()
+	 * @generated
+	 */
+	EReference getQuantifiedLaxCondition_Graph();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link laxcondition.QuantifiedLaxCondition#getCondition <em>Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>Condition</em>'.
+	 * @see laxcondition.QuantifiedLaxCondition#getCondition()
+	 * @see #getQuantifiedLaxCondition()
+	 * @generated
+	 */
+	EReference getQuantifiedLaxCondition_Condition();
+
+	/**
+	 * Returns the meta object for the attribute '{@link laxcondition.QuantifiedLaxCondition#getQuantifier <em>Quantifier</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Quantifier</em>'.
+	 * @see laxcondition.QuantifiedLaxCondition#getQuantifier()
+	 * @see #getQuantifiedLaxCondition()
+	 * @generated
+	 */
+	EAttribute getQuantifiedLaxCondition_Quantifier();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link laxcondition.QuantifiedLaxCondition#getVariables <em>Variables</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Variables</em>'.
+	 * @see laxcondition.QuantifiedLaxCondition#getVariables()
+	 * @see #getQuantifiedLaxCondition()
+	 * @generated
+	 */
+	EReference getQuantifiedLaxCondition_Variables();
+
+	/**
+	 * Returns the meta object for class '{@link laxcondition.True <em>True</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>True</em>'.
+	 * @see laxcondition.True
+	 * @generated
+	 */
+	EClass getTrue();
+
+	/**
+	 * Returns the meta object for class '{@link laxcondition.Formula <em>Formula</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Formula</em>'.
+	 * @see laxcondition.Formula
+	 * @generated
+	 */
+	EClass getFormula();
+
+	/**
+	 * Returns the meta object for the attribute '{@link laxcondition.Formula#getOp <em>Op</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Op</em>'.
+	 * @see laxcondition.Formula#getOp()
+	 * @see #getFormula()
+	 * @generated
+	 */
+	EAttribute getFormula_Op();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link laxcondition.Formula#getArguments <em>Arguments</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Arguments</em>'.
+	 * @see laxcondition.Formula#getArguments()
+	 * @see #getFormula()
+	 * @generated
+	 */
+	EReference getFormula_Arguments();
+
+	/**
+	 * Returns the meta object for class '{@link laxcondition.Variable <em>Variable</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Variable</em>'.
+	 * @see laxcondition.Variable
+	 * @generated
+	 */
+	EClass getVariable();
+
+	/**
+	 * Returns the meta object for the attribute '{@link laxcondition.Variable#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see laxcondition.Variable#getName()
+	 * @see #getVariable()
+	 * @generated
+	 */
+	EAttribute getVariable_Name();
+
+	/**
+	 * Returns the meta object for enum '{@link laxcondition.Quantifier <em>Quantifier</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for enum '<em>Quantifier</em>'.
+	 * @see laxcondition.Quantifier
+	 * @generated
+	 */
+	EEnum getQuantifier();
+
+	/**
+	 * Returns the meta object for enum '{@link laxcondition.Operator <em>Operator</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for enum '<em>Operator</em>'.
+	 * @see laxcondition.Operator
+	 * @generated
+	 */
+	EEnum getOperator();
+
+	/**
+	 * Returns the factory that creates the instances of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the factory that creates the instances of the model.
+	 * @generated
+	 */
+	LaxconditionFactory getLaxconditionFactory();
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * Defines literals for the meta objects that represent
+	 * <ul>
+	 *   <li>each class,</li>
+	 *   <li>each feature of each class,</li>
+	 *   <li>each operation of each class,</li>
+	 *   <li>each enum,</li>
+	 *   <li>and each data type</li>
+	 * </ul>
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	interface Literals {
+		/**
+		 * The meta object literal for the '{@link laxcondition.impl.ConditionImpl <em>Condition</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see laxcondition.impl.ConditionImpl
+		 * @see laxcondition.impl.LaxconditionPackageImpl#getCondition()
+		 * @generated
+		 */
+		EClass CONDITION = eINSTANCE.getCondition();
+
+		/**
+		 * The meta object literal for the '<em><b>Type Graph</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference CONDITION__TYPE_GRAPH = eINSTANCE.getCondition_TypeGraph();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute CONDITION__NAME = eINSTANCE.getCondition_Name();
+
+		/**
+		 * The meta object literal for the '<em><b>Lax Condition</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference CONDITION__LAX_CONDITION = eINSTANCE.getCondition_LaxCondition();
+
+		/**
+		 * The meta object literal for the '{@link laxcondition.impl.LaxConditionImpl <em>Lax Condition</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see laxcondition.impl.LaxConditionImpl
+		 * @see laxcondition.impl.LaxconditionPackageImpl#getLaxCondition()
+		 * @generated
+		 */
+		EClass LAX_CONDITION = eINSTANCE.getLaxCondition();
+
+		/**
+		 * The meta object literal for the '<em><b>Formula</b></em>' container reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference LAX_CONDITION__FORMULA = eINSTANCE.getLaxCondition_Formula();
+
+		/**
+		 * The meta object literal for the '{@link laxcondition.impl.QuantifiedLaxConditionImpl <em>Quantified Lax Condition</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see laxcondition.impl.QuantifiedLaxConditionImpl
+		 * @see laxcondition.impl.LaxconditionPackageImpl#getQuantifiedLaxCondition()
+		 * @generated
+		 */
+		EClass QUANTIFIED_LAX_CONDITION = eINSTANCE.getQuantifiedLaxCondition();
+
+		/**
+		 * The meta object literal for the '<em><b>Graph</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference QUANTIFIED_LAX_CONDITION__GRAPH = eINSTANCE.getQuantifiedLaxCondition_Graph();
+
+		/**
+		 * The meta object literal for the '<em><b>Condition</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference QUANTIFIED_LAX_CONDITION__CONDITION = eINSTANCE.getQuantifiedLaxCondition_Condition();
+
+		/**
+		 * The meta object literal for the '<em><b>Quantifier</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute QUANTIFIED_LAX_CONDITION__QUANTIFIER = eINSTANCE.getQuantifiedLaxCondition_Quantifier();
+
+		/**
+		 * The meta object literal for the '<em><b>Variables</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference QUANTIFIED_LAX_CONDITION__VARIABLES = eINSTANCE.getQuantifiedLaxCondition_Variables();
+
+		/**
+		 * The meta object literal for the '{@link laxcondition.impl.TrueImpl <em>True</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see laxcondition.impl.TrueImpl
+		 * @see laxcondition.impl.LaxconditionPackageImpl#getTrue()
+		 * @generated
+		 */
+		EClass TRUE = eINSTANCE.getTrue();
+
+		/**
+		 * The meta object literal for the '{@link laxcondition.impl.FormulaImpl <em>Formula</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see laxcondition.impl.FormulaImpl
+		 * @see laxcondition.impl.LaxconditionPackageImpl#getFormula()
+		 * @generated
+		 */
+		EClass FORMULA = eINSTANCE.getFormula();
+
+		/**
+		 * The meta object literal for the '<em><b>Op</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute FORMULA__OP = eINSTANCE.getFormula_Op();
+
+		/**
+		 * The meta object literal for the '<em><b>Arguments</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference FORMULA__ARGUMENTS = eINSTANCE.getFormula_Arguments();
+
+		/**
+		 * The meta object literal for the '{@link laxcondition.impl.VariableImpl <em>Variable</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see laxcondition.impl.VariableImpl
+		 * @see laxcondition.impl.LaxconditionPackageImpl#getVariable()
+		 * @generated
+		 */
+		EClass VARIABLE = eINSTANCE.getVariable();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute VARIABLE__NAME = eINSTANCE.getVariable_Name();
+
+		/**
+		 * The meta object literal for the '{@link laxcondition.Quantifier <em>Quantifier</em>}' enum.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see laxcondition.Quantifier
+		 * @see laxcondition.impl.LaxconditionPackageImpl#getQuantifier()
+		 * @generated
+		 */
+		EEnum QUANTIFIER = eINSTANCE.getQuantifier();
+
+		/**
+		 * The meta object literal for the '{@link laxcondition.Operator <em>Operator</em>}' enum.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see laxcondition.Operator
+		 * @see laxcondition.impl.LaxconditionPackageImpl#getOperator()
+		 * @generated
+		 */
+		EEnum OPERATOR = eINSTANCE.getOperator();
+
+	}
+
+} //LaxconditionPackage
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Operator.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Operator.java
new file mode 100644
index 0000000..bf742db
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Operator.java
@@ -0,0 +1,322 @@
+/**
+ */
+package laxcondition;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.emf.common.util.Enumerator;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the literals of the enumeration '<em><b>Operator</b></em>',
+ * and utility methods for working with them.
+ * <!-- end-user-doc -->
+ * @see laxcondition.LaxconditionPackage#getOperator()
+ * @model
+ * @generated
+ */
+public enum Operator implements Enumerator {
+	/**
+	 * The '<em><b>NOT</b></em>' literal object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #NOT_VALUE
+	 * @generated
+	 * @ordered
+	 */
+	NOT(0, "NOT", "NOT"),
+
+	/**
+	 * The '<em><b>AND</b></em>' literal object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #AND_VALUE
+	 * @generated
+	 * @ordered
+	 */
+	AND(1, "AND", "AND"),
+
+	/**
+	 * The '<em><b>OR</b></em>' literal object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #OR_VALUE
+	 * @generated
+	 * @ordered
+	 */
+	OR(2, "OR", "OR"),
+
+	/**
+	 * The '<em><b>IMPLIES</b></em>' literal object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #IMPLIES_VALUE
+	 * @generated
+	 * @ordered
+	 */
+	IMPLIES(3, "IMPLIES", "IMPLIES"),
+
+	/**
+	 * The '<em><b>EQUIVALENT</b></em>' literal object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #EQUIVALENT_VALUE
+	 * @generated
+	 * @ordered
+	 */
+	EQUIVALENT(4, "EQUIVALENT", "EQUIVALENT"),
+
+	/**
+	 * The '<em><b>XOR</b></em>' literal object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #XOR_VALUE
+	 * @generated
+	 * @ordered
+	 */
+	XOR(5, "XOR", "XOR");
+
+	/**
+	 * The '<em><b>NOT</b></em>' literal value.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of '<em><b>NOT</b></em>' literal object isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @see #NOT
+	 * @model
+	 * @generated
+	 * @ordered
+	 */
+	public static final int NOT_VALUE = 0;
+
+	/**
+	 * The '<em><b>AND</b></em>' literal value.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of '<em><b>AND</b></em>' literal object isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @see #AND
+	 * @model
+	 * @generated
+	 * @ordered
+	 */
+	public static final int AND_VALUE = 1;
+
+	/**
+	 * The '<em><b>OR</b></em>' literal value.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of '<em><b>OR</b></em>' literal object isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @see #OR
+	 * @model
+	 * @generated
+	 * @ordered
+	 */
+	public static final int OR_VALUE = 2;
+
+	/**
+	 * The '<em><b>IMPLIES</b></em>' literal value.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of '<em><b>IMPLIES</b></em>' literal object isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @see #IMPLIES
+	 * @model
+	 * @generated
+	 * @ordered
+	 */
+	public static final int IMPLIES_VALUE = 3;
+
+	/**
+	 * The '<em><b>EQUIVALENT</b></em>' literal value.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of '<em><b>EQUIVALENT</b></em>' literal object isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @see #EQUIVALENT
+	 * @model
+	 * @generated
+	 * @ordered
+	 */
+	public static final int EQUIVALENT_VALUE = 4;
+
+	/**
+	 * The '<em><b>XOR</b></em>' literal value.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of '<em><b>XOR</b></em>' literal object isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @see #XOR
+	 * @model
+	 * @generated
+	 * @ordered
+	 */
+	public static final int XOR_VALUE = 5;
+
+	/**
+	 * An array of all the '<em><b>Operator</b></em>' enumerators.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static final Operator[] VALUES_ARRAY =
+		new Operator[] {
+			NOT,
+			AND,
+			OR,
+			IMPLIES,
+			EQUIVALENT,
+			XOR,
+		};
+
+	/**
+	 * A public read-only list of all the '<em><b>Operator</b></em>' enumerators.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final List<Operator> VALUES = Collections.unmodifiableList(Arrays.asList(VALUES_ARRAY));
+
+	/**
+	 * Returns the '<em><b>Operator</b></em>' literal with the specified literal value.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param literal the literal.
+	 * @return the matching enumerator or <code>null</code>.
+	 * @generated
+	 */
+	public static Operator get(String literal) {
+		for (int i = 0; i < VALUES_ARRAY.length; ++i) {
+			Operator result = VALUES_ARRAY[i];
+			if (result.toString().equals(literal)) {
+				return result;
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Returns the '<em><b>Operator</b></em>' literal with the specified name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param name the name.
+	 * @return the matching enumerator or <code>null</code>.
+	 * @generated
+	 */
+	public static Operator getByName(String name) {
+		for (int i = 0; i < VALUES_ARRAY.length; ++i) {
+			Operator result = VALUES_ARRAY[i];
+			if (result.getName().equals(name)) {
+				return result;
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Returns the '<em><b>Operator</b></em>' literal with the specified integer value.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the integer value.
+	 * @return the matching enumerator or <code>null</code>.
+	 * @generated
+	 */
+	public static Operator get(int value) {
+		switch (value) {
+			case NOT_VALUE: return NOT;
+			case AND_VALUE: return AND;
+			case OR_VALUE: return OR;
+			case IMPLIES_VALUE: return IMPLIES;
+			case EQUIVALENT_VALUE: return EQUIVALENT;
+			case XOR_VALUE: return XOR;
+		}
+		return null;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private final int value;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private final String name;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private final String literal;
+
+	/**
+	 * Only this class can construct instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private Operator(int value, String name, String literal) {
+		this.value = value;
+		this.name = name;
+		this.literal = literal;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public int getValue() {
+	  return value;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+	  return name;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getLiteral() {
+	  return literal;
+	}
+
+	/**
+	 * Returns the literal value of the enumerator, which is its string representation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		return literal;
+	}
+	
+} //Operator
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/QuantifiedLaxCondition.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/QuantifiedLaxCondition.java
new file mode 100644
index 0000000..7ecedca
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/QuantifiedLaxCondition.java
@@ -0,0 +1,128 @@
+/**
+ */
+package laxcondition;
+
+import graph.Graph;
+
+import org.eclipse.emf.common.util.EList;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Quantified Lax Condition</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link laxcondition.QuantifiedLaxCondition#getGraph <em>Graph</em>}</li>
+ *   <li>{@link laxcondition.QuantifiedLaxCondition#getCondition <em>Condition</em>}</li>
+ *   <li>{@link laxcondition.QuantifiedLaxCondition#getQuantifier <em>Quantifier</em>}</li>
+ *   <li>{@link laxcondition.QuantifiedLaxCondition#getVariables <em>Variables</em>}</li>
+ * </ul>
+ *
+ * @see laxcondition.LaxconditionPackage#getQuantifiedLaxCondition()
+ * @model annotation="http://www.eclipse.org/emf/2002/Ecore constraints='HostGraphConsistency'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot HostGraphConsistency='self.graph.edges -> forAll(e|self.graph.nodes -> includes(e.source) and self.graph.nodes -> includes(e.target))'"
+ * @generated
+ */
+public interface QuantifiedLaxCondition extends LaxCondition {
+	/**
+	 * Returns the value of the '<em><b>Graph</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Graph</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Graph</em>' containment reference.
+	 * @see #setGraph(Graph)
+	 * @see laxcondition.LaxconditionPackage#getQuantifiedLaxCondition_Graph()
+	 * @model containment="true" required="true"
+	 * @generated
+	 */
+	Graph getGraph();
+
+	/**
+	 * Sets the value of the '{@link laxcondition.QuantifiedLaxCondition#getGraph <em>Graph</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Graph</em>' containment reference.
+	 * @see #getGraph()
+	 * @generated
+	 */
+	void setGraph(Graph value);
+
+	/**
+	 * Returns the value of the '<em><b>Condition</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Condition</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Condition</em>' containment reference.
+	 * @see #setCondition(LaxCondition)
+	 * @see laxcondition.LaxconditionPackage#getQuantifiedLaxCondition_Condition()
+	 * @model containment="true" required="true"
+	 * @generated
+	 */
+	LaxCondition getCondition();
+
+	/**
+	 * Sets the value of the '{@link laxcondition.QuantifiedLaxCondition#getCondition <em>Condition</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Condition</em>' containment reference.
+	 * @see #getCondition()
+	 * @generated
+	 */
+	void setCondition(LaxCondition value);
+
+	/**
+	 * Returns the value of the '<em><b>Quantifier</b></em>' attribute.
+	 * The default value is <code>"EXISTS"</code>.
+	 * The literals are from the enumeration {@link laxcondition.Quantifier}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Quantifier</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Quantifier</em>' attribute.
+	 * @see laxcondition.Quantifier
+	 * @see #setQuantifier(Quantifier)
+	 * @see laxcondition.LaxconditionPackage#getQuantifiedLaxCondition_Quantifier()
+	 * @model default="EXISTS" required="true"
+	 * @generated
+	 */
+	Quantifier getQuantifier();
+
+	/**
+	 * Sets the value of the '{@link laxcondition.QuantifiedLaxCondition#getQuantifier <em>Quantifier</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Quantifier</em>' attribute.
+	 * @see laxcondition.Quantifier
+	 * @see #getQuantifier()
+	 * @generated
+	 */
+	void setQuantifier(Quantifier value);
+
+	/**
+	 * Returns the value of the '<em><b>Variables</b></em>' containment reference list.
+	 * The list contents are of type {@link laxcondition.Variable}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Variables</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Variables</em>' containment reference list.
+	 * @see laxcondition.LaxconditionPackage#getQuantifiedLaxCondition_Variables()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<Variable> getVariables();
+
+} // QuantifiedLaxCondition
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Quantifier.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Quantifier.java
new file mode 100644
index 0000000..d7501f8
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Quantifier.java
@@ -0,0 +1,214 @@
+/**
+ */
+package laxcondition;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import org.eclipse.emf.common.util.Enumerator;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the literals of the enumeration '<em><b>Quantifier</b></em>',
+ * and utility methods for working with them.
+ * <!-- end-user-doc -->
+ * @see laxcondition.LaxconditionPackage#getQuantifier()
+ * @model
+ * @generated
+ */
+public enum Quantifier implements Enumerator {
+	/**
+	 * The '<em><b>EXISTS</b></em>' literal object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #EXISTS_VALUE
+	 * @generated
+	 * @ordered
+	 */
+	EXISTS(0, "EXISTS", "EXISTS"),
+
+	/**
+	 * The '<em><b>FORALL</b></em>' literal object.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #FORALL_VALUE
+	 * @generated
+	 * @ordered
+	 */
+	FORALL(1, "FORALL", "FORALL");
+
+	/**
+	 * The '<em><b>EXISTS</b></em>' literal value.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of '<em><b>EXISTS</b></em>' literal object isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @see #EXISTS
+	 * @model
+	 * @generated
+	 * @ordered
+	 */
+	public static final int EXISTS_VALUE = 0;
+
+	/**
+	 * The '<em><b>FORALL</b></em>' literal value.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of '<em><b>FORALL</b></em>' literal object isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @see #FORALL
+	 * @model
+	 * @generated
+	 * @ordered
+	 */
+	public static final int FORALL_VALUE = 1;
+
+	/**
+	 * An array of all the '<em><b>Quantifier</b></em>' enumerators.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static final Quantifier[] VALUES_ARRAY =
+		new Quantifier[] {
+			EXISTS,
+			FORALL,
+		};
+
+	/**
+	 * A public read-only list of all the '<em><b>Quantifier</b></em>' enumerators.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final List<Quantifier> VALUES = Collections.unmodifiableList(Arrays.asList(VALUES_ARRAY));
+
+	/**
+	 * Returns the '<em><b>Quantifier</b></em>' literal with the specified literal value.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param literal the literal.
+	 * @return the matching enumerator or <code>null</code>.
+	 * @generated
+	 */
+	public static Quantifier get(String literal) {
+		for (int i = 0; i < VALUES_ARRAY.length; ++i) {
+			Quantifier result = VALUES_ARRAY[i];
+			if (result.toString().equals(literal)) {
+				return result;
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Returns the '<em><b>Quantifier</b></em>' literal with the specified name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param name the name.
+	 * @return the matching enumerator or <code>null</code>.
+	 * @generated
+	 */
+	public static Quantifier getByName(String name) {
+		for (int i = 0; i < VALUES_ARRAY.length; ++i) {
+			Quantifier result = VALUES_ARRAY[i];
+			if (result.getName().equals(name)) {
+				return result;
+			}
+		}
+		return null;
+	}
+
+	/**
+	 * Returns the '<em><b>Quantifier</b></em>' literal with the specified integer value.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the integer value.
+	 * @return the matching enumerator or <code>null</code>.
+	 * @generated
+	 */
+	public static Quantifier get(int value) {
+		switch (value) {
+			case EXISTS_VALUE: return EXISTS;
+			case FORALL_VALUE: return FORALL;
+		}
+		return null;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private final int value;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private final String name;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private final String literal;
+
+	/**
+	 * Only this class can construct instances.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private Quantifier(int value, String name, String literal) {
+		this.value = value;
+		this.name = name;
+		this.literal = literal;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public int getValue() {
+	  return value;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+	  return name;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getLiteral() {
+	  return literal;
+	}
+
+	/**
+	 * Returns the literal value of the enumerator, which is its string representation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		return literal;
+	}
+	
+} //Quantifier
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/True.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/True.java
new file mode 100644
index 0000000..fdb0fa2
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/True.java
@@ -0,0 +1,17 @@
+/**
+ */
+package laxcondition;
+
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>True</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see laxcondition.LaxconditionPackage#getTrue()
+ * @model
+ * @generated
+ */
+public interface True extends LaxCondition {
+} // True
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Variable.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Variable.java
new file mode 100644
index 0000000..0155ac1
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/Variable.java
@@ -0,0 +1,50 @@
+/**
+ */
+package laxcondition;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Variable</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link laxcondition.Variable#getName <em>Name</em>}</li>
+ * </ul>
+ *
+ * @see laxcondition.LaxconditionPackage#getVariable()
+ * @model
+ * @generated
+ */
+public interface Variable extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see laxcondition.LaxconditionPackage#getVariable_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link laxcondition.Variable#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+} // Variable
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/ConditionImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/ConditionImpl.java
new file mode 100644
index 0000000..578c761
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/ConditionImpl.java
@@ -0,0 +1,305 @@
+/**
+ */
+package laxcondition.impl;
+
+import laxcondition.Condition;
+import laxcondition.LaxCondition;
+import laxcondition.LaxconditionPackage;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Condition</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link laxcondition.impl.ConditionImpl#getTypeGraph <em>Type Graph</em>}</li>
+ *   <li>{@link laxcondition.impl.ConditionImpl#getName <em>Name</em>}</li>
+ *   <li>{@link laxcondition.impl.ConditionImpl#getLaxCondition <em>Lax Condition</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class ConditionImpl extends MinimalEObjectImpl.Container implements Condition {
+	/**
+	 * The cached value of the '{@link #getTypeGraph() <em>Type Graph</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getTypeGraph()
+	 * @generated
+	 * @ordered
+	 */
+	protected EPackage typeGraph;
+
+	/**
+	 * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final String NAME_EDEFAULT = null;
+
+	/**
+	 * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected String name = NAME_EDEFAULT;
+
+	/**
+	 * The cached value of the '{@link #getLaxCondition() <em>Lax Condition</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getLaxCondition()
+	 * @generated
+	 * @ordered
+	 */
+	protected LaxCondition laxCondition;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected ConditionImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return LaxconditionPackage.Literals.CONDITION;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EPackage getTypeGraph() {
+		if (typeGraph != null && typeGraph.eIsProxy()) {
+			InternalEObject oldTypeGraph = (InternalEObject)typeGraph;
+			typeGraph = (EPackage)eResolveProxy(oldTypeGraph);
+			if (typeGraph != oldTypeGraph) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, LaxconditionPackage.CONDITION__TYPE_GRAPH, oldTypeGraph, typeGraph));
+			}
+		}
+		return typeGraph;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EPackage basicGetTypeGraph() {
+		return typeGraph;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setTypeGraph(EPackage newTypeGraph) {
+		EPackage oldTypeGraph = typeGraph;
+		typeGraph = newTypeGraph;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, LaxconditionPackage.CONDITION__TYPE_GRAPH, oldTypeGraph, typeGraph));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		String oldName = name;
+		name = newName;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, LaxconditionPackage.CONDITION__NAME, oldName, name));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LaxCondition getLaxCondition() {
+		return laxCondition;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetLaxCondition(LaxCondition newLaxCondition, NotificationChain msgs) {
+		LaxCondition oldLaxCondition = laxCondition;
+		laxCondition = newLaxCondition;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, LaxconditionPackage.CONDITION__LAX_CONDITION, oldLaxCondition, newLaxCondition);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setLaxCondition(LaxCondition newLaxCondition) {
+		if (newLaxCondition != laxCondition) {
+			NotificationChain msgs = null;
+			if (laxCondition != null)
+				msgs = ((InternalEObject)laxCondition).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - LaxconditionPackage.CONDITION__LAX_CONDITION, null, msgs);
+			if (newLaxCondition != null)
+				msgs = ((InternalEObject)newLaxCondition).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - LaxconditionPackage.CONDITION__LAX_CONDITION, null, msgs);
+			msgs = basicSetLaxCondition(newLaxCondition, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, LaxconditionPackage.CONDITION__LAX_CONDITION, newLaxCondition, newLaxCondition));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case LaxconditionPackage.CONDITION__LAX_CONDITION:
+				return basicSetLaxCondition(null, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case LaxconditionPackage.CONDITION__TYPE_GRAPH:
+				if (resolve) return getTypeGraph();
+				return basicGetTypeGraph();
+			case LaxconditionPackage.CONDITION__NAME:
+				return getName();
+			case LaxconditionPackage.CONDITION__LAX_CONDITION:
+				return getLaxCondition();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case LaxconditionPackage.CONDITION__TYPE_GRAPH:
+				setTypeGraph((EPackage)newValue);
+				return;
+			case LaxconditionPackage.CONDITION__NAME:
+				setName((String)newValue);
+				return;
+			case LaxconditionPackage.CONDITION__LAX_CONDITION:
+				setLaxCondition((LaxCondition)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case LaxconditionPackage.CONDITION__TYPE_GRAPH:
+				setTypeGraph((EPackage)null);
+				return;
+			case LaxconditionPackage.CONDITION__NAME:
+				setName(NAME_EDEFAULT);
+				return;
+			case LaxconditionPackage.CONDITION__LAX_CONDITION:
+				setLaxCondition((LaxCondition)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case LaxconditionPackage.CONDITION__TYPE_GRAPH:
+				return typeGraph != null;
+			case LaxconditionPackage.CONDITION__NAME:
+				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+			case LaxconditionPackage.CONDITION__LAX_CONDITION:
+				return laxCondition != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (name: ");
+		result.append(name);
+		result.append(')');
+		return result.toString();
+	}
+
+} //ConditionImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/FormulaImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/FormulaImpl.java
new file mode 100644
index 0000000..d612e61
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/FormulaImpl.java
@@ -0,0 +1,237 @@
+/**
+ */
+package laxcondition.impl;
+
+import java.util.Collection;
+
+import laxcondition.Formula;
+import laxcondition.LaxCondition;
+import laxcondition.LaxconditionPackage;
+import laxcondition.Operator;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentWithInverseEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Formula</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link laxcondition.impl.FormulaImpl#getOp <em>Op</em>}</li>
+ *   <li>{@link laxcondition.impl.FormulaImpl#getArguments <em>Arguments</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class FormulaImpl extends LaxConditionImpl implements Formula {
+	/**
+	 * The default value of the '{@link #getOp() <em>Op</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getOp()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final Operator OP_EDEFAULT = Operator.NOT;
+
+	/**
+	 * The cached value of the '{@link #getOp() <em>Op</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getOp()
+	 * @generated
+	 * @ordered
+	 */
+	protected Operator op = OP_EDEFAULT;
+
+	/**
+	 * The cached value of the '{@link #getArguments() <em>Arguments</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getArguments()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<LaxCondition> arguments;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected FormulaImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return LaxconditionPackage.Literals.FORMULA;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Operator getOp() {
+		return op;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setOp(Operator newOp) {
+		Operator oldOp = op;
+		op = newOp == null ? OP_EDEFAULT : newOp;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, LaxconditionPackage.FORMULA__OP, oldOp, op));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<LaxCondition> getArguments() {
+		if (arguments == null) {
+			arguments = new EObjectContainmentWithInverseEList<LaxCondition>(LaxCondition.class, this, LaxconditionPackage.FORMULA__ARGUMENTS, LaxconditionPackage.LAX_CONDITION__FORMULA);
+		}
+		return arguments;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case LaxconditionPackage.FORMULA__ARGUMENTS:
+				return ((InternalEList<InternalEObject>)(InternalEList<?>)getArguments()).basicAdd(otherEnd, msgs);
+		}
+		return super.eInverseAdd(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case LaxconditionPackage.FORMULA__ARGUMENTS:
+				return ((InternalEList<?>)getArguments()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case LaxconditionPackage.FORMULA__OP:
+				return getOp();
+			case LaxconditionPackage.FORMULA__ARGUMENTS:
+				return getArguments();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case LaxconditionPackage.FORMULA__OP:
+				setOp((Operator)newValue);
+				return;
+			case LaxconditionPackage.FORMULA__ARGUMENTS:
+				getArguments().clear();
+				getArguments().addAll((Collection<? extends LaxCondition>)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case LaxconditionPackage.FORMULA__OP:
+				setOp(OP_EDEFAULT);
+				return;
+			case LaxconditionPackage.FORMULA__ARGUMENTS:
+				getArguments().clear();
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case LaxconditionPackage.FORMULA__OP:
+				return op != OP_EDEFAULT;
+			case LaxconditionPackage.FORMULA__ARGUMENTS:
+				return arguments != null && !arguments.isEmpty();
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (op: ");
+		result.append(op);
+		result.append(')');
+		return result.toString();
+	}
+
+} //FormulaImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/LaxConditionImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/LaxConditionImpl.java
new file mode 100644
index 0000000..e701a6e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/LaxConditionImpl.java
@@ -0,0 +1,196 @@
+/**
+ */
+package laxcondition.impl;
+
+import laxcondition.Formula;
+import laxcondition.LaxCondition;
+import laxcondition.LaxconditionPackage;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EcoreUtil;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Lax Condition</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link laxcondition.impl.LaxConditionImpl#getFormula <em>Formula</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public abstract class LaxConditionImpl extends MinimalEObjectImpl.Container implements LaxCondition {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected LaxConditionImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return LaxconditionPackage.Literals.LAX_CONDITION;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Formula getFormula() {
+		if (eContainerFeatureID() != LaxconditionPackage.LAX_CONDITION__FORMULA) return null;
+		return (Formula)eInternalContainer();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetFormula(Formula newFormula, NotificationChain msgs) {
+		msgs = eBasicSetContainer((InternalEObject)newFormula, LaxconditionPackage.LAX_CONDITION__FORMULA, msgs);
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setFormula(Formula newFormula) {
+		if (newFormula != eInternalContainer() || (eContainerFeatureID() != LaxconditionPackage.LAX_CONDITION__FORMULA && newFormula != null)) {
+			if (EcoreUtil.isAncestor(this, newFormula))
+				throw new IllegalArgumentException("Recursive containment not allowed for " + toString());
+			NotificationChain msgs = null;
+			if (eInternalContainer() != null)
+				msgs = eBasicRemoveFromContainer(msgs);
+			if (newFormula != null)
+				msgs = ((InternalEObject)newFormula).eInverseAdd(this, LaxconditionPackage.FORMULA__ARGUMENTS, Formula.class, msgs);
+			msgs = basicSetFormula(newFormula, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, LaxconditionPackage.LAX_CONDITION__FORMULA, newFormula, newFormula));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case LaxconditionPackage.LAX_CONDITION__FORMULA:
+				if (eInternalContainer() != null)
+					msgs = eBasicRemoveFromContainer(msgs);
+				return basicSetFormula((Formula)otherEnd, msgs);
+		}
+		return super.eInverseAdd(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case LaxconditionPackage.LAX_CONDITION__FORMULA:
+				return basicSetFormula(null, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eBasicRemoveFromContainerFeature(NotificationChain msgs) {
+		switch (eContainerFeatureID()) {
+			case LaxconditionPackage.LAX_CONDITION__FORMULA:
+				return eInternalContainer().eInverseRemove(this, LaxconditionPackage.FORMULA__ARGUMENTS, Formula.class, msgs);
+		}
+		return super.eBasicRemoveFromContainerFeature(msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case LaxconditionPackage.LAX_CONDITION__FORMULA:
+				return getFormula();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case LaxconditionPackage.LAX_CONDITION__FORMULA:
+				setFormula((Formula)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case LaxconditionPackage.LAX_CONDITION__FORMULA:
+				setFormula((Formula)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case LaxconditionPackage.LAX_CONDITION__FORMULA:
+				return getFormula() != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+} //LaxConditionImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/LaxconditionFactoryImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/LaxconditionFactoryImpl.java
new file mode 100644
index 0000000..417b74b
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/LaxconditionFactoryImpl.java
@@ -0,0 +1,214 @@
+/**
+ */
+package laxcondition.impl;
+
+import laxcondition.*;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EDataType;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class LaxconditionFactoryImpl extends EFactoryImpl implements LaxconditionFactory {
+	/**
+	 * Creates the default factory implementation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static LaxconditionFactory init() {
+		try {
+			LaxconditionFactory theLaxconditionFactory = (LaxconditionFactory)EPackage.Registry.INSTANCE.getEFactory(LaxconditionPackage.eNS_URI);
+			if (theLaxconditionFactory != null) {
+				return theLaxconditionFactory;
+			}
+		}
+		catch (Exception exception) {
+			EcorePlugin.INSTANCE.log(exception);
+		}
+		return new LaxconditionFactoryImpl();
+	}
+
+	/**
+	 * Creates an instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LaxconditionFactoryImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public EObject create(EClass eClass) {
+		switch (eClass.getClassifierID()) {
+			case LaxconditionPackage.CONDITION: return createCondition();
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION: return createQuantifiedLaxCondition();
+			case LaxconditionPackage.TRUE: return createTrue();
+			case LaxconditionPackage.FORMULA: return createFormula();
+			case LaxconditionPackage.VARIABLE: return createVariable();
+			default:
+				throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object createFromString(EDataType eDataType, String initialValue) {
+		switch (eDataType.getClassifierID()) {
+			case LaxconditionPackage.QUANTIFIER:
+				return createQuantifierFromString(eDataType, initialValue);
+			case LaxconditionPackage.OPERATOR:
+				return createOperatorFromString(eDataType, initialValue);
+			default:
+				throw new IllegalArgumentException("The datatype '" + eDataType.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String convertToString(EDataType eDataType, Object instanceValue) {
+		switch (eDataType.getClassifierID()) {
+			case LaxconditionPackage.QUANTIFIER:
+				return convertQuantifierToString(eDataType, instanceValue);
+			case LaxconditionPackage.OPERATOR:
+				return convertOperatorToString(eDataType, instanceValue);
+			default:
+				throw new IllegalArgumentException("The datatype '" + eDataType.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Condition createCondition() {
+		ConditionImpl condition = new ConditionImpl();
+		return condition;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public QuantifiedLaxCondition createQuantifiedLaxCondition() {
+		QuantifiedLaxConditionImpl quantifiedLaxCondition = new QuantifiedLaxConditionImpl();
+		return quantifiedLaxCondition;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public True createTrue() {
+		TrueImpl true_ = new TrueImpl();
+		return true_;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Formula createFormula() {
+		FormulaImpl formula = new FormulaImpl();
+		return formula;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Variable createVariable() {
+		VariableImpl variable = new VariableImpl();
+		return variable;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Quantifier createQuantifierFromString(EDataType eDataType, String initialValue) {
+		Quantifier result = Quantifier.get(initialValue);
+		if (result == null) throw new IllegalArgumentException("The value '" + initialValue + "' is not a valid enumerator of '" + eDataType.getName() + "'");
+		return result;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String convertQuantifierToString(EDataType eDataType, Object instanceValue) {
+		return instanceValue == null ? null : instanceValue.toString();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Operator createOperatorFromString(EDataType eDataType, String initialValue) {
+		Operator result = Operator.get(initialValue);
+		if (result == null) throw new IllegalArgumentException("The value '" + initialValue + "' is not a valid enumerator of '" + eDataType.getName() + "'");
+		return result;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String convertOperatorToString(EDataType eDataType, Object instanceValue) {
+		return instanceValue == null ? null : instanceValue.toString();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LaxconditionPackage getLaxconditionPackage() {
+		return (LaxconditionPackage)getEPackage();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @deprecated
+	 * @generated
+	 */
+	@Deprecated
+	public static LaxconditionPackage getPackage() {
+		return LaxconditionPackage.eINSTANCE;
+	}
+
+} //LaxconditionFactoryImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/LaxconditionPackageImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/LaxconditionPackageImpl.java
new file mode 100644
index 0000000..771b02f
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/LaxconditionPackageImpl.java
@@ -0,0 +1,577 @@
+/**
+ */
+package laxcondition.impl;
+
+import graph.GraphPackage;
+
+import graph.impl.GraphPackageImpl;
+
+import laxcondition.Condition;
+import laxcondition.Formula;
+import laxcondition.LaxCondition;
+import laxcondition.LaxconditionFactory;
+import laxcondition.LaxconditionPackage;
+import laxcondition.Operator;
+import laxcondition.QuantifiedLaxCondition;
+import laxcondition.Quantifier;
+import laxcondition.True;
+import laxcondition.Variable;
+
+import laxcondition.util.LaxconditionValidator;
+
+import nestedcondition.NestedconditionPackage;
+
+import nestedcondition.impl.NestedconditionPackageImpl;
+
+import nestedconstraintmodel.NestedconstraintmodelPackage;
+
+import nestedconstraintmodel.impl.NestedconstraintmodelPackageImpl;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EEnum;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+import org.eclipse.emf.ecore.EValidator;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class LaxconditionPackageImpl extends EPackageImpl implements LaxconditionPackage {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass conditionEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass laxConditionEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass quantifiedLaxConditionEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass trueEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass formulaEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass variableEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EEnum quantifierEEnum = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EEnum operatorEEnum = null;
+
+	/**
+	 * Creates an instance of the model <b>Package</b>, registered with
+	 * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+	 * package URI value.
+	 * <p>Note: the correct way to create the package is via the static
+	 * factory method {@link #init init()}, which also performs
+	 * initialization of the package, or returns the registered package,
+	 * if one already exists.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.ecore.EPackage.Registry
+	 * @see laxcondition.LaxconditionPackage#eNS_URI
+	 * @see #init()
+	 * @generated
+	 */
+	private LaxconditionPackageImpl() {
+		super(eNS_URI, LaxconditionFactory.eINSTANCE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static boolean isInited = false;
+
+	/**
+	 * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+	 * 
+	 * <p>This method is used to initialize {@link LaxconditionPackage#eINSTANCE} when that field is accessed.
+	 * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #eNS_URI
+	 * @see #createPackageContents()
+	 * @see #initializePackageContents()
+	 * @generated
+	 */
+	public static LaxconditionPackage init() {
+		if (isInited) return (LaxconditionPackage)EPackage.Registry.INSTANCE.getEPackage(LaxconditionPackage.eNS_URI);
+
+		// Obtain or create and register package
+		LaxconditionPackageImpl theLaxconditionPackage = (LaxconditionPackageImpl)(EPackage.Registry.INSTANCE.get(eNS_URI) instanceof LaxconditionPackageImpl ? EPackage.Registry.INSTANCE.get(eNS_URI) : new LaxconditionPackageImpl());
+
+		isInited = true;
+
+		// Obtain or create and register interdependencies
+		NestedconstraintmodelPackageImpl theNestedconstraintmodelPackage = (NestedconstraintmodelPackageImpl)(EPackage.Registry.INSTANCE.getEPackage(NestedconstraintmodelPackage.eNS_URI) instanceof NestedconstraintmodelPackageImpl ? EPackage.Registry.INSTANCE.getEPackage(NestedconstraintmodelPackage.eNS_URI) : NestedconstraintmodelPackage.eINSTANCE);
+		NestedconditionPackageImpl theNestedconditionPackage = (NestedconditionPackageImpl)(EPackage.Registry.INSTANCE.getEPackage(NestedconditionPackage.eNS_URI) instanceof NestedconditionPackageImpl ? EPackage.Registry.INSTANCE.getEPackage(NestedconditionPackage.eNS_URI) : NestedconditionPackage.eINSTANCE);
+		GraphPackageImpl theGraphPackage = (GraphPackageImpl)(EPackage.Registry.INSTANCE.getEPackage(GraphPackage.eNS_URI) instanceof GraphPackageImpl ? EPackage.Registry.INSTANCE.getEPackage(GraphPackage.eNS_URI) : GraphPackage.eINSTANCE);
+
+		// Create package meta-data objects
+		theLaxconditionPackage.createPackageContents();
+		theNestedconstraintmodelPackage.createPackageContents();
+		theNestedconditionPackage.createPackageContents();
+		theGraphPackage.createPackageContents();
+
+		// Initialize created meta-data
+		theLaxconditionPackage.initializePackageContents();
+		theNestedconstraintmodelPackage.initializePackageContents();
+		theNestedconditionPackage.initializePackageContents();
+		theGraphPackage.initializePackageContents();
+
+		// Register package validator
+		EValidator.Registry.INSTANCE.put
+			(theLaxconditionPackage, 
+			 new EValidator.Descriptor() {
+				 public EValidator getEValidator() {
+					 return LaxconditionValidator.INSTANCE;
+				 }
+			 });
+
+		// Mark meta-data to indicate it can't be changed
+		theLaxconditionPackage.freeze();
+
+  
+		// Update the registry and return the package
+		EPackage.Registry.INSTANCE.put(LaxconditionPackage.eNS_URI, theLaxconditionPackage);
+		return theLaxconditionPackage;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getCondition() {
+		return conditionEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getCondition_TypeGraph() {
+		return (EReference)conditionEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getCondition_Name() {
+		return (EAttribute)conditionEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getCondition_LaxCondition() {
+		return (EReference)conditionEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getLaxCondition() {
+		return laxConditionEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getLaxCondition_Formula() {
+		return (EReference)laxConditionEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getQuantifiedLaxCondition() {
+		return quantifiedLaxConditionEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getQuantifiedLaxCondition_Graph() {
+		return (EReference)quantifiedLaxConditionEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getQuantifiedLaxCondition_Condition() {
+		return (EReference)quantifiedLaxConditionEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getQuantifiedLaxCondition_Quantifier() {
+		return (EAttribute)quantifiedLaxConditionEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getQuantifiedLaxCondition_Variables() {
+		return (EReference)quantifiedLaxConditionEClass.getEStructuralFeatures().get(3);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getTrue() {
+		return trueEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getFormula() {
+		return formulaEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getFormula_Op() {
+		return (EAttribute)formulaEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getFormula_Arguments() {
+		return (EReference)formulaEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getVariable() {
+		return variableEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getVariable_Name() {
+		return (EAttribute)variableEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EEnum getQuantifier() {
+		return quantifierEEnum;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EEnum getOperator() {
+		return operatorEEnum;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LaxconditionFactory getLaxconditionFactory() {
+		return (LaxconditionFactory)getEFactoryInstance();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isCreated = false;
+
+	/**
+	 * Creates the meta-model objects for the package.  This method is
+	 * guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void createPackageContents() {
+		if (isCreated) return;
+		isCreated = true;
+
+		// Create classes and their features
+		conditionEClass = createEClass(CONDITION);
+		createEReference(conditionEClass, CONDITION__TYPE_GRAPH);
+		createEAttribute(conditionEClass, CONDITION__NAME);
+		createEReference(conditionEClass, CONDITION__LAX_CONDITION);
+
+		laxConditionEClass = createEClass(LAX_CONDITION);
+		createEReference(laxConditionEClass, LAX_CONDITION__FORMULA);
+
+		quantifiedLaxConditionEClass = createEClass(QUANTIFIED_LAX_CONDITION);
+		createEReference(quantifiedLaxConditionEClass, QUANTIFIED_LAX_CONDITION__GRAPH);
+		createEReference(quantifiedLaxConditionEClass, QUANTIFIED_LAX_CONDITION__CONDITION);
+		createEAttribute(quantifiedLaxConditionEClass, QUANTIFIED_LAX_CONDITION__QUANTIFIER);
+		createEReference(quantifiedLaxConditionEClass, QUANTIFIED_LAX_CONDITION__VARIABLES);
+
+		trueEClass = createEClass(TRUE);
+
+		formulaEClass = createEClass(FORMULA);
+		createEAttribute(formulaEClass, FORMULA__OP);
+		createEReference(formulaEClass, FORMULA__ARGUMENTS);
+
+		variableEClass = createEClass(VARIABLE);
+		createEAttribute(variableEClass, VARIABLE__NAME);
+
+		// Create enums
+		quantifierEEnum = createEEnum(QUANTIFIER);
+		operatorEEnum = createEEnum(OPERATOR);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isInitialized = false;
+
+	/**
+	 * Complete the initialization of the package and its meta-model.  This
+	 * method is guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void initializePackageContents() {
+		if (isInitialized) return;
+		isInitialized = true;
+
+		// Initialize package
+		setName(eNAME);
+		setNsPrefix(eNS_PREFIX);
+		setNsURI(eNS_URI);
+
+		// Obtain other dependent packages
+		GraphPackage theGraphPackage = (GraphPackage)EPackage.Registry.INSTANCE.getEPackage(GraphPackage.eNS_URI);
+
+		// Create type parameters
+
+		// Set bounds for type parameters
+
+		// Add supertypes to classes
+		quantifiedLaxConditionEClass.getESuperTypes().add(this.getLaxCondition());
+		trueEClass.getESuperTypes().add(this.getLaxCondition());
+		formulaEClass.getESuperTypes().add(this.getLaxCondition());
+
+		// Initialize classes, features, and operations; add parameters
+		initEClass(conditionEClass, Condition.class, "Condition", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getCondition_TypeGraph(), ecorePackage.getEPackage(), null, "typeGraph", null, 1, 1, Condition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEAttribute(getCondition_Name(), ecorePackage.getEString(), "name", null, 0, 1, Condition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getCondition_LaxCondition(), this.getLaxCondition(), null, "laxCondition", null, 1, 1, Condition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(laxConditionEClass, LaxCondition.class, "LaxCondition", IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getLaxCondition_Formula(), this.getFormula(), this.getFormula_Arguments(), "formula", null, 0, 1, LaxCondition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(quantifiedLaxConditionEClass, QuantifiedLaxCondition.class, "QuantifiedLaxCondition", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getQuantifiedLaxCondition_Graph(), theGraphPackage.getGraph(), null, "graph", null, 1, 1, QuantifiedLaxCondition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getQuantifiedLaxCondition_Condition(), this.getLaxCondition(), null, "condition", null, 1, 1, QuantifiedLaxCondition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEAttribute(getQuantifiedLaxCondition_Quantifier(), this.getQuantifier(), "quantifier", "EXISTS", 1, 1, QuantifiedLaxCondition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getQuantifiedLaxCondition_Variables(), this.getVariable(), null, "variables", null, 0, -1, QuantifiedLaxCondition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(trueEClass, True.class, "True", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(formulaEClass, Formula.class, "Formula", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getFormula_Op(), this.getOperator(), "op", "NOT", 1, 1, Formula.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getFormula_Arguments(), this.getLaxCondition(), this.getLaxCondition_Formula(), "arguments", null, 1, -1, Formula.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(variableEClass, Variable.class, "Variable", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getVariable_Name(), ecorePackage.getEString(), "name", null, 0, 1, Variable.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		// Initialize enums and add enum literals
+		initEEnum(quantifierEEnum, Quantifier.class, "Quantifier");
+		addEEnumLiteral(quantifierEEnum, Quantifier.EXISTS);
+		addEEnumLiteral(quantifierEEnum, Quantifier.FORALL);
+
+		initEEnum(operatorEEnum, Operator.class, "Operator");
+		addEEnumLiteral(operatorEEnum, Operator.NOT);
+		addEEnumLiteral(operatorEEnum, Operator.AND);
+		addEEnumLiteral(operatorEEnum, Operator.OR);
+		addEEnumLiteral(operatorEEnum, Operator.IMPLIES);
+		addEEnumLiteral(operatorEEnum, Operator.EQUIVALENT);
+		addEEnumLiteral(operatorEEnum, Operator.XOR);
+
+		// Create resource
+		createResource(eNS_URI);
+
+		// Create annotations
+		// http://www.eclipse.org/OCL/Import
+		createImportAnnotations();
+		// http://www.eclipse.org/emf/2002/Ecore
+		createEcoreAnnotations();
+		// http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot
+		createPivotAnnotations();
+	}
+
+	/**
+	 * Initializes the annotations for <b>http://www.eclipse.org/OCL/Import</b>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createImportAnnotations() {
+		String source = "http://www.eclipse.org/OCL/Import";	
+		addAnnotation
+		  (this, 
+		   source, 
+		   new String[] {
+			 "ecore", "http://www.eclipse.org/emf/2002/Ecore",
+			 "graph_0", "graph.ecore#/"
+		   });
+	}
+
+	/**
+	 * Initializes the annotations for <b>http://www.eclipse.org/emf/2002/Ecore</b>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createEcoreAnnotations() {
+		String source = "http://www.eclipse.org/emf/2002/Ecore";	
+		addAnnotation
+		  (this, 
+		   source, 
+		   new String[] {
+			 "invocationDelegates", "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+			 "settingDelegates", "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+			 "validationDelegates", "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot"
+		   });	
+		addAnnotation
+		  (conditionEClass, 
+		   source, 
+		   new String[] {
+			 "constraints", "TypeGraphConsistency"
+		   });	
+		addAnnotation
+		  (quantifiedLaxConditionEClass, 
+		   source, 
+		   new String[] {
+			 "constraints", "HostGraphConsistency"
+		   });	
+		addAnnotation
+		  (formulaEClass, 
+		   source, 
+		   new String[] {
+			 "constraints", "OneArgumentForNOT AtLeastTwoArgumentForANDOR TwoArgumentForIMPLEQUALXOR"
+		   });
+	}
+
+	/**
+	 * Initializes the annotations for <b>http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot</b>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createPivotAnnotations() {
+		String source = "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot";	
+		addAnnotation
+		  (conditionEClass, 
+		   source, 
+		   new String[] {
+			 "TypeGraphConsistency", "graph_0::Graph.allInstances() -> forAll(g|g.typegraph = self.typeGraph)"
+		   });	
+		addAnnotation
+		  (quantifiedLaxConditionEClass, 
+		   source, 
+		   new String[] {
+			 "HostGraphConsistency", "self.graph.edges -> forAll(e|self.graph.nodes -> includes(e.source) and self.graph.nodes -> includes(e.target))"
+		   });	
+		addAnnotation
+		  (formulaEClass, 
+		   source, 
+		   new String[] {
+			 "OneArgumentForNOT", "(self.op = Operator::NOT) implies (self.arguments -> size() = 1)",
+			 "AtLeastTwoArgumentForANDOR", "((self.op = Operator::AND) or (self.op = Operator::OR)) implies (self.arguments -> size() > 1)",
+			 "TwoArgumentForIMPLEQUALXOR", "((self.op = Operator::IMPLIES) or (self.op = Operator::EQUIVALENT) or (self.op = Operator::XOR)) implies (self.arguments -> size() = 2)"
+		   });
+	}
+
+} //LaxconditionPackageImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/QuantifiedLaxConditionImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/QuantifiedLaxConditionImpl.java
new file mode 100644
index 0000000..d8aa791
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/QuantifiedLaxConditionImpl.java
@@ -0,0 +1,357 @@
+/**
+ */
+package laxcondition.impl;
+
+import graph.Graph;
+
+import java.util.Collection;
+
+import laxcondition.LaxCondition;
+import laxcondition.LaxconditionPackage;
+import laxcondition.QuantifiedLaxCondition;
+import laxcondition.Quantifier;
+import laxcondition.Variable;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Quantified Lax Condition</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link laxcondition.impl.QuantifiedLaxConditionImpl#getGraph <em>Graph</em>}</li>
+ *   <li>{@link laxcondition.impl.QuantifiedLaxConditionImpl#getCondition <em>Condition</em>}</li>
+ *   <li>{@link laxcondition.impl.QuantifiedLaxConditionImpl#getQuantifier <em>Quantifier</em>}</li>
+ *   <li>{@link laxcondition.impl.QuantifiedLaxConditionImpl#getVariables <em>Variables</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class QuantifiedLaxConditionImpl extends LaxConditionImpl implements QuantifiedLaxCondition {
+	/**
+	 * The cached value of the '{@link #getGraph() <em>Graph</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getGraph()
+	 * @generated
+	 * @ordered
+	 */
+	protected Graph graph;
+
+	/**
+	 * The cached value of the '{@link #getCondition() <em>Condition</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getCondition()
+	 * @generated
+	 * @ordered
+	 */
+	protected LaxCondition condition;
+
+	/**
+	 * The default value of the '{@link #getQuantifier() <em>Quantifier</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getQuantifier()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final Quantifier QUANTIFIER_EDEFAULT = Quantifier.EXISTS;
+
+	/**
+	 * The cached value of the '{@link #getQuantifier() <em>Quantifier</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getQuantifier()
+	 * @generated
+	 * @ordered
+	 */
+	protected Quantifier quantifier = QUANTIFIER_EDEFAULT;
+
+	/**
+	 * The cached value of the '{@link #getVariables() <em>Variables</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getVariables()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Variable> variables;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected QuantifiedLaxConditionImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return LaxconditionPackage.Literals.QUANTIFIED_LAX_CONDITION;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph getGraph() {
+		return graph;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetGraph(Graph newGraph, NotificationChain msgs) {
+		Graph oldGraph = graph;
+		graph = newGraph;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, LaxconditionPackage.QUANTIFIED_LAX_CONDITION__GRAPH, oldGraph, newGraph);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setGraph(Graph newGraph) {
+		if (newGraph != graph) {
+			NotificationChain msgs = null;
+			if (graph != null)
+				msgs = ((InternalEObject)graph).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - LaxconditionPackage.QUANTIFIED_LAX_CONDITION__GRAPH, null, msgs);
+			if (newGraph != null)
+				msgs = ((InternalEObject)newGraph).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - LaxconditionPackage.QUANTIFIED_LAX_CONDITION__GRAPH, null, msgs);
+			msgs = basicSetGraph(newGraph, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, LaxconditionPackage.QUANTIFIED_LAX_CONDITION__GRAPH, newGraph, newGraph));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LaxCondition getCondition() {
+		return condition;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetCondition(LaxCondition newCondition, NotificationChain msgs) {
+		LaxCondition oldCondition = condition;
+		condition = newCondition;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, LaxconditionPackage.QUANTIFIED_LAX_CONDITION__CONDITION, oldCondition, newCondition);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setCondition(LaxCondition newCondition) {
+		if (newCondition != condition) {
+			NotificationChain msgs = null;
+			if (condition != null)
+				msgs = ((InternalEObject)condition).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - LaxconditionPackage.QUANTIFIED_LAX_CONDITION__CONDITION, null, msgs);
+			if (newCondition != null)
+				msgs = ((InternalEObject)newCondition).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - LaxconditionPackage.QUANTIFIED_LAX_CONDITION__CONDITION, null, msgs);
+			msgs = basicSetCondition(newCondition, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, LaxconditionPackage.QUANTIFIED_LAX_CONDITION__CONDITION, newCondition, newCondition));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Quantifier getQuantifier() {
+		return quantifier;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setQuantifier(Quantifier newQuantifier) {
+		Quantifier oldQuantifier = quantifier;
+		quantifier = newQuantifier == null ? QUANTIFIER_EDEFAULT : newQuantifier;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, LaxconditionPackage.QUANTIFIED_LAX_CONDITION__QUANTIFIER, oldQuantifier, quantifier));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Variable> getVariables() {
+		if (variables == null) {
+			variables = new EObjectContainmentEList<Variable>(Variable.class, this, LaxconditionPackage.QUANTIFIED_LAX_CONDITION__VARIABLES);
+		}
+		return variables;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__GRAPH:
+				return basicSetGraph(null, msgs);
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__CONDITION:
+				return basicSetCondition(null, msgs);
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__VARIABLES:
+				return ((InternalEList<?>)getVariables()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__GRAPH:
+				return getGraph();
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__CONDITION:
+				return getCondition();
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__QUANTIFIER:
+				return getQuantifier();
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__VARIABLES:
+				return getVariables();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__GRAPH:
+				setGraph((Graph)newValue);
+				return;
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__CONDITION:
+				setCondition((LaxCondition)newValue);
+				return;
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__QUANTIFIER:
+				setQuantifier((Quantifier)newValue);
+				return;
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__VARIABLES:
+				getVariables().clear();
+				getVariables().addAll((Collection<? extends Variable>)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__GRAPH:
+				setGraph((Graph)null);
+				return;
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__CONDITION:
+				setCondition((LaxCondition)null);
+				return;
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__QUANTIFIER:
+				setQuantifier(QUANTIFIER_EDEFAULT);
+				return;
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__VARIABLES:
+				getVariables().clear();
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__GRAPH:
+				return graph != null;
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__CONDITION:
+				return condition != null;
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__QUANTIFIER:
+				return quantifier != QUANTIFIER_EDEFAULT;
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION__VARIABLES:
+				return variables != null && !variables.isEmpty();
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (quantifier: ");
+		result.append(quantifier);
+		result.append(')');
+		return result.toString();
+	}
+
+} //QuantifiedLaxConditionImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/TrueImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/TrueImpl.java
new file mode 100644
index 0000000..420f331
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/TrueImpl.java
@@ -0,0 +1,37 @@
+/**
+ */
+package laxcondition.impl;
+
+import laxcondition.LaxconditionPackage;
+import laxcondition.True;
+
+import org.eclipse.emf.ecore.EClass;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>True</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class TrueImpl extends LaxConditionImpl implements True {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TrueImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return LaxconditionPackage.Literals.TRUE;
+	}
+
+} //TrueImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/VariableImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/VariableImpl.java
new file mode 100644
index 0000000..9d1776e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/impl/VariableImpl.java
@@ -0,0 +1,163 @@
+/**
+ */
+package laxcondition.impl;
+
+import laxcondition.LaxconditionPackage;
+import laxcondition.Variable;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Variable</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link laxcondition.impl.VariableImpl#getName <em>Name</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class VariableImpl extends MinimalEObjectImpl.Container implements Variable {
+	/**
+	 * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final String NAME_EDEFAULT = null;
+
+	/**
+	 * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected String name = NAME_EDEFAULT;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected VariableImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return LaxconditionPackage.Literals.VARIABLE;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		String oldName = name;
+		name = newName;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, LaxconditionPackage.VARIABLE__NAME, oldName, name));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case LaxconditionPackage.VARIABLE__NAME:
+				return getName();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case LaxconditionPackage.VARIABLE__NAME:
+				setName((String)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case LaxconditionPackage.VARIABLE__NAME:
+				setName(NAME_EDEFAULT);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case LaxconditionPackage.VARIABLE__NAME:
+				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (name: ");
+		result.append(name);
+		result.append(')');
+		return result.toString();
+	}
+
+} //VariableImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/LaxconditionAdapterFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/LaxconditionAdapterFactory.java
new file mode 100644
index 0000000..721b6bb
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/LaxconditionAdapterFactory.java
@@ -0,0 +1,210 @@
+/**
+ */
+package laxcondition.util;
+
+import laxcondition.*;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.common.notify.impl.AdapterFactoryImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Adapter Factory</b> for the model.
+ * It provides an adapter <code>createXXX</code> method for each class of the model.
+ * <!-- end-user-doc -->
+ * @see laxcondition.LaxconditionPackage
+ * @generated
+ */
+public class LaxconditionAdapterFactory extends AdapterFactoryImpl {
+	/**
+	 * The cached model package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static LaxconditionPackage modelPackage;
+
+	/**
+	 * Creates an instance of the adapter factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LaxconditionAdapterFactory() {
+		if (modelPackage == null) {
+			modelPackage = LaxconditionPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Returns whether this factory is applicable for the type of the object.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns <code>true</code> if the object is either the model's package or is an instance object of the model.
+	 * <!-- end-user-doc -->
+	 * @return whether this factory is applicable for the type of the object.
+	 * @generated
+	 */
+	@Override
+	public boolean isFactoryForType(Object object) {
+		if (object == modelPackage) {
+			return true;
+		}
+		if (object instanceof EObject) {
+			return ((EObject)object).eClass().getEPackage() == modelPackage;
+		}
+		return false;
+	}
+
+	/**
+	 * The switch that delegates to the <code>createXXX</code> methods.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected LaxconditionSwitch<Adapter> modelSwitch =
+		new LaxconditionSwitch<Adapter>() {
+			@Override
+			public Adapter caseCondition(Condition object) {
+				return createConditionAdapter();
+			}
+			@Override
+			public Adapter caseLaxCondition(LaxCondition object) {
+				return createLaxConditionAdapter();
+			}
+			@Override
+			public Adapter caseQuantifiedLaxCondition(QuantifiedLaxCondition object) {
+				return createQuantifiedLaxConditionAdapter();
+			}
+			@Override
+			public Adapter caseTrue(True object) {
+				return createTrueAdapter();
+			}
+			@Override
+			public Adapter caseFormula(Formula object) {
+				return createFormulaAdapter();
+			}
+			@Override
+			public Adapter caseVariable(Variable object) {
+				return createVariableAdapter();
+			}
+			@Override
+			public Adapter defaultCase(EObject object) {
+				return createEObjectAdapter();
+			}
+		};
+
+	/**
+	 * Creates an adapter for the <code>target</code>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param target the object to adapt.
+	 * @return the adapter for the <code>target</code>.
+	 * @generated
+	 */
+	@Override
+	public Adapter createAdapter(Notifier target) {
+		return modelSwitch.doSwitch((EObject)target);
+	}
+
+
+	/**
+	 * Creates a new adapter for an object of class '{@link laxcondition.Condition <em>Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see laxcondition.Condition
+	 * @generated
+	 */
+	public Adapter createConditionAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link laxcondition.LaxCondition <em>Lax Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see laxcondition.LaxCondition
+	 * @generated
+	 */
+	public Adapter createLaxConditionAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link laxcondition.QuantifiedLaxCondition <em>Quantified Lax Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see laxcondition.QuantifiedLaxCondition
+	 * @generated
+	 */
+	public Adapter createQuantifiedLaxConditionAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link laxcondition.True <em>True</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see laxcondition.True
+	 * @generated
+	 */
+	public Adapter createTrueAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link laxcondition.Formula <em>Formula</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see laxcondition.Formula
+	 * @generated
+	 */
+	public Adapter createFormulaAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link laxcondition.Variable <em>Variable</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see laxcondition.Variable
+	 * @generated
+	 */
+	public Adapter createVariableAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for the default case.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @generated
+	 */
+	public Adapter createEObjectAdapter() {
+		return null;
+	}
+
+} //LaxconditionAdapterFactory
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/LaxconditionSwitch.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/LaxconditionSwitch.java
new file mode 100644
index 0000000..dfa03b5
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/LaxconditionSwitch.java
@@ -0,0 +1,218 @@
+/**
+ */
+package laxcondition.util;
+
+import laxcondition.*;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.util.Switch;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Switch</b> for the model's inheritance hierarchy.
+ * It supports the call {@link #doSwitch(EObject) doSwitch(object)}
+ * to invoke the <code>caseXXX</code> method for each class of the model,
+ * starting with the actual class of the object
+ * and proceeding up the inheritance hierarchy
+ * until a non-null result is returned,
+ * which is the result of the switch.
+ * <!-- end-user-doc -->
+ * @see laxcondition.LaxconditionPackage
+ * @generated
+ */
+public class LaxconditionSwitch<T> extends Switch<T> {
+	/**
+	 * The cached model package
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static LaxconditionPackage modelPackage;
+
+	/**
+	 * Creates an instance of the switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LaxconditionSwitch() {
+		if (modelPackage == null) {
+			modelPackage = LaxconditionPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Checks whether this is a switch for the given package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param ePackage the package in question.
+	 * @return whether this is a switch for the given package.
+	 * @generated
+	 */
+	@Override
+	protected boolean isSwitchFor(EPackage ePackage) {
+		return ePackage == modelPackage;
+	}
+
+	/**
+	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the first non-null result returned by a <code>caseXXX</code> call.
+	 * @generated
+	 */
+	@Override
+	protected T doSwitch(int classifierID, EObject theEObject) {
+		switch (classifierID) {
+			case LaxconditionPackage.CONDITION: {
+				Condition condition = (Condition)theEObject;
+				T result = caseCondition(condition);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case LaxconditionPackage.LAX_CONDITION: {
+				LaxCondition laxCondition = (LaxCondition)theEObject;
+				T result = caseLaxCondition(laxCondition);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION: {
+				QuantifiedLaxCondition quantifiedLaxCondition = (QuantifiedLaxCondition)theEObject;
+				T result = caseQuantifiedLaxCondition(quantifiedLaxCondition);
+				if (result == null) result = caseLaxCondition(quantifiedLaxCondition);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case LaxconditionPackage.TRUE: {
+				True true_ = (True)theEObject;
+				T result = caseTrue(true_);
+				if (result == null) result = caseLaxCondition(true_);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case LaxconditionPackage.FORMULA: {
+				Formula formula = (Formula)theEObject;
+				T result = caseFormula(formula);
+				if (result == null) result = caseLaxCondition(formula);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case LaxconditionPackage.VARIABLE: {
+				Variable variable = (Variable)theEObject;
+				T result = caseVariable(variable);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			default: return defaultCase(theEObject);
+		}
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Condition</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseCondition(Condition object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Lax Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Lax Condition</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseLaxCondition(LaxCondition object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Quantified Lax Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Quantified Lax Condition</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseQuantifiedLaxCondition(QuantifiedLaxCondition object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>True</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>True</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseTrue(True object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Formula</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseFormula(Formula object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Variable</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Variable</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseVariable(Variable object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch, but this is the last case anyway.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject)
+	 * @generated
+	 */
+	@Override
+	public T defaultCase(EObject object) {
+		return null;
+	}
+
+} //LaxconditionSwitch
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/LaxconditionValidator.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/LaxconditionValidator.java
new file mode 100644
index 0000000..148a695
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/LaxconditionValidator.java
@@ -0,0 +1,373 @@
+/**
+ */
+package laxcondition.util;
+
+import java.util.Map;
+
+import laxcondition.*;
+
+import org.eclipse.emf.common.util.Diagnostic;
+import org.eclipse.emf.common.util.DiagnosticChain;
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.util.EObjectValidator;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Validator</b> for the model.
+ * <!-- end-user-doc -->
+ * @see laxcondition.LaxconditionPackage
+ * @generated
+ */
+public class LaxconditionValidator extends EObjectValidator {
+	/**
+	 * The cached model package
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final LaxconditionValidator INSTANCE = new LaxconditionValidator();
+
+	/**
+	 * A constant for the {@link org.eclipse.emf.common.util.Diagnostic#getSource() source} of diagnostic {@link org.eclipse.emf.common.util.Diagnostic#getCode() codes} from this package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.common.util.Diagnostic#getSource()
+	 * @see org.eclipse.emf.common.util.Diagnostic#getCode()
+	 * @generated
+	 */
+	public static final String DIAGNOSTIC_SOURCE = "laxcondition";
+
+	/**
+	 * A constant with a fixed name that can be used as the base value for additional hand written constants.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static final int GENERATED_DIAGNOSTIC_CODE_COUNT = 0;
+
+	/**
+	 * A constant with a fixed name that can be used as the base value for additional hand written constants in a derived class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final int DIAGNOSTIC_CODE_COUNT = GENERATED_DIAGNOSTIC_CODE_COUNT;
+
+	/**
+	 * Creates an instance of the switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public LaxconditionValidator() {
+		super();
+	}
+
+	/**
+	 * Returns the package of this validator switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EPackage getEPackage() {
+	  return LaxconditionPackage.eINSTANCE;
+	}
+
+	/**
+	 * Calls <code>validateXXX</code> for the corresponding classifier of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected boolean validate(int classifierID, Object value, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		switch (classifierID) {
+			case LaxconditionPackage.CONDITION:
+				return validateCondition((Condition)value, diagnostics, context);
+			case LaxconditionPackage.LAX_CONDITION:
+				return validateLaxCondition((LaxCondition)value, diagnostics, context);
+			case LaxconditionPackage.QUANTIFIED_LAX_CONDITION:
+				return validateQuantifiedLaxCondition((QuantifiedLaxCondition)value, diagnostics, context);
+			case LaxconditionPackage.TRUE:
+				return validateTrue((True)value, diagnostics, context);
+			case LaxconditionPackage.FORMULA:
+				return validateFormula((Formula)value, diagnostics, context);
+			case LaxconditionPackage.VARIABLE:
+				return validateVariable((Variable)value, diagnostics, context);
+			case LaxconditionPackage.QUANTIFIER:
+				return validateQuantifier((Quantifier)value, diagnostics, context);
+			case LaxconditionPackage.OPERATOR:
+				return validateOperator((Operator)value, diagnostics, context);
+			default:
+				return true;
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateCondition(Condition condition, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		if (!validate_NoCircularContainment(condition, diagnostics, context)) return false;
+		boolean result = validate_EveryMultiplicityConforms(condition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryDataValueConforms(condition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryReferenceIsContained(condition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryBidirectionalReferenceIsPaired(condition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryProxyResolves(condition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_UniqueID(condition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryKeyUnique(condition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryMapEntryUnique(condition, diagnostics, context);
+		if (result || diagnostics != null) result &= validateCondition_TypeGraphConsistency(condition, diagnostics, context);
+		return result;
+	}
+
+	/**
+	 * The cached validation expression for the TypeGraphConsistency constraint of '<em>Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String CONDITION__TYPE_GRAPH_CONSISTENCY__EEXPRESSION = "graph_0::Graph.allInstances() -> forAll(g|g.typegraph = self.typeGraph)";
+
+	/**
+	 * Validates the TypeGraphConsistency constraint of '<em>Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateCondition_TypeGraphConsistency(Condition condition, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(LaxconditionPackage.Literals.CONDITION,
+				 condition,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "TypeGraphConsistency",
+				 CONDITION__TYPE_GRAPH_CONSISTENCY__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateLaxCondition(LaxCondition laxCondition, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return validate_EveryDefaultConstraint(laxCondition, diagnostics, context);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateQuantifiedLaxCondition(QuantifiedLaxCondition quantifiedLaxCondition, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		if (!validate_NoCircularContainment(quantifiedLaxCondition, diagnostics, context)) return false;
+		boolean result = validate_EveryMultiplicityConforms(quantifiedLaxCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryDataValueConforms(quantifiedLaxCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryReferenceIsContained(quantifiedLaxCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryBidirectionalReferenceIsPaired(quantifiedLaxCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryProxyResolves(quantifiedLaxCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_UniqueID(quantifiedLaxCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryKeyUnique(quantifiedLaxCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryMapEntryUnique(quantifiedLaxCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validateQuantifiedLaxCondition_HostGraphConsistency(quantifiedLaxCondition, diagnostics, context);
+		return result;
+	}
+
+	/**
+	 * The cached validation expression for the HostGraphConsistency constraint of '<em>Quantified Lax Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String QUANTIFIED_LAX_CONDITION__HOST_GRAPH_CONSISTENCY__EEXPRESSION = "self.graph.edges -> forAll(e|self.graph.nodes -> includes(e.source) and self.graph.nodes -> includes(e.target))";
+
+	/**
+	 * Validates the HostGraphConsistency constraint of '<em>Quantified Lax Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateQuantifiedLaxCondition_HostGraphConsistency(QuantifiedLaxCondition quantifiedLaxCondition, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(LaxconditionPackage.Literals.QUANTIFIED_LAX_CONDITION,
+				 quantifiedLaxCondition,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "HostGraphConsistency",
+				 QUANTIFIED_LAX_CONDITION__HOST_GRAPH_CONSISTENCY__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateTrue(True true_, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return validate_EveryDefaultConstraint(true_, diagnostics, context);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateFormula(Formula formula, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		if (!validate_NoCircularContainment(formula, diagnostics, context)) return false;
+		boolean result = validate_EveryMultiplicityConforms(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryDataValueConforms(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryReferenceIsContained(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryBidirectionalReferenceIsPaired(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryProxyResolves(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_UniqueID(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryKeyUnique(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryMapEntryUnique(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validateFormula_OneArgumentForNOT(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validateFormula_AtLeastTwoArgumentForANDOR(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validateFormula_TwoArgumentForIMPLEQUALXOR(formula, diagnostics, context);
+		return result;
+	}
+
+	/**
+	 * The cached validation expression for the OneArgumentForNOT constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String FORMULA__ONE_ARGUMENT_FOR_NOT__EEXPRESSION = "(self.op = Operator::NOT) implies (self.arguments -> size() = 1)";
+
+	/**
+	 * Validates the OneArgumentForNOT constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateFormula_OneArgumentForNOT(Formula formula, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(LaxconditionPackage.Literals.FORMULA,
+				 formula,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "OneArgumentForNOT",
+				 FORMULA__ONE_ARGUMENT_FOR_NOT__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * The cached validation expression for the AtLeastTwoArgumentForANDOR constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String FORMULA__AT_LEAST_TWO_ARGUMENT_FOR_ANDOR__EEXPRESSION = "((self.op = Operator::AND) or (self.op = Operator::OR)) implies (self.arguments -> size() > 1)";
+
+	/**
+	 * Validates the AtLeastTwoArgumentForANDOR constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateFormula_AtLeastTwoArgumentForANDOR(Formula formula, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(LaxconditionPackage.Literals.FORMULA,
+				 formula,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "AtLeastTwoArgumentForANDOR",
+				 FORMULA__AT_LEAST_TWO_ARGUMENT_FOR_ANDOR__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * The cached validation expression for the TwoArgumentForIMPLEQUALXOR constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String FORMULA__TWO_ARGUMENT_FOR_IMPLEQUALXOR__EEXPRESSION = "((self.op = Operator::IMPLIES) or (self.op = Operator::EQUIVALENT) or (self.op = Operator::XOR)) implies (self.arguments -> size() = 2)";
+
+	/**
+	 * Validates the TwoArgumentForIMPLEQUALXOR constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateFormula_TwoArgumentForIMPLEQUALXOR(Formula formula, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(LaxconditionPackage.Literals.FORMULA,
+				 formula,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "TwoArgumentForIMPLEQUALXOR",
+				 FORMULA__TWO_ARGUMENT_FOR_IMPLEQUALXOR__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateVariable(Variable variable, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return validate_EveryDefaultConstraint(variable, diagnostics, context);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateQuantifier(Quantifier quantifier, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return true;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateOperator(Operator operator, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return true;
+	}
+
+	/**
+	 * Returns the resource locator that will be used to fetch messages for this validator's diagnostics.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		// TODO
+		// Specialize this to return a resource locator for messages specific to this validator.
+		// Ensure that you remove @generated or mark it @generated NOT
+		return super.getResourceLocator();
+	}
+
+} //LaxconditionValidator
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/EdgeMapping.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/EdgeMapping.java
new file mode 100644
index 0000000..feb2e94
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/EdgeMapping.java
@@ -0,0 +1,29 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package laxcondition.util.extensions;
+
+import graph.Edge;
+
+public class EdgeMapping {
+
+	private Edge sourceEdge;
+
+	public EdgeMapping(Edge sourceEdge, Edge targetEdge) {
+		this.sourceEdge = sourceEdge;
+		this.targetEdge = targetEdge;
+	}
+
+	private Edge targetEdge;
+
+	public Edge getSourceEdge() {
+		return sourceEdge;
+	}
+
+	public Edge getTargetEdge() {
+		return targetEdge;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/Intersection.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/Intersection.java
new file mode 100644
index 0000000..ae25244
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/Intersection.java
@@ -0,0 +1,113 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package laxcondition.util.extensions;
+
+import org.eclipse.emf.common.util.BasicEList;
+import org.eclipse.emf.common.util.EList;
+
+import graph.Edge;
+import graph.Graph;
+import graph.Node;
+
+public class Intersection {
+
+	public Graph getSourceGraph() {
+		return (Graph) nodeMappings.get(0).getSourceNode().eContainer();
+	}
+
+	private EList<NodeMapping> nodeMappings;
+
+	public EList<NodeMapping> getNodeMappings() {
+		return nodeMappings;
+	}
+
+	public EList<EdgeMapping> getEdgeMappings() {
+		return edgeMappings;
+	}
+
+	private EList<EdgeMapping> edgeMappings;
+
+	public Intersection() {
+		nodeMappings = new BasicEList<NodeMapping>();
+		edgeMappings = new BasicEList<EdgeMapping>();
+	}
+
+	public void addNodeMapping(NodeMapping nodeMapping) {
+		nodeMappings.add(nodeMapping);
+	}
+
+	public void addEdgeMapping(EdgeMapping edgeMapping) {
+		edgeMappings.add(edgeMapping);
+	}
+
+	public boolean containsTarget(Node node) {
+		for (NodeMapping mapping : nodeMappings) {
+			if (mapping.getTargetNode() == node) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	public boolean containsTarget(Edge edge) {
+		for (EdgeMapping mapping : edgeMappings) {
+			if (mapping.getTargetEdge() == edge) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	public Node getSourceNode(Node node) {
+		for (NodeMapping mapping : nodeMappings) {
+			if (mapping.getTargetNode() == node) {
+				return mapping.getSourceNode();
+			}
+		}
+		return null;
+	}
+
+	public String toString() {
+		StringBuffer result = new StringBuffer();
+		result.append("Node Mappings:");
+		for (NodeMapping nodeMapping : nodeMappings) {
+			result.append("\n- from ");
+			result.append(nodeMapping.getSourceNode().toString());
+			result.append(" to ");
+			result.append(nodeMapping.getTargetNode().toString());
+			result.append("\n- graphs: " + nodeMapping.getSourceNode().eContainer() + " and "
+					+ nodeMapping.getTargetNode().eContainer());
+		}
+		result.append("\nEdge Mappings: ");
+		for (EdgeMapping edgeMapping : edgeMappings) {
+			result.append("\n- between ");
+			result.append(edgeMapping.getSourceEdge().toString());
+			result.append(" and ");
+			result.append(edgeMapping.getTargetEdge().toString());
+		}
+		return result.toString();
+	}
+
+	public boolean containsSource(Node node) {
+		for (NodeMapping mapping : nodeMappings) {
+			Node sourceNode = mapping.getSourceNode();
+			if (sourceNode.getName().equals(node.getName()) && sourceNode.getType() == node.getType()) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	public Node getSourceNode1(Node node) {
+		for (NodeMapping mapping : nodeMappings) {
+			Node targetNode = mapping.getTargetNode();
+			if (targetNode.getName().equals(node.getName()) && targetNode.getType() == node.getType()) {
+				return mapping.getSourceNode();
+			}
+		}
+		return null;
+	}
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/LaxConditionConstants.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/LaxConditionConstants.java
new file mode 100644
index 0000000..66e86f0
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/LaxConditionConstants.java
@@ -0,0 +1,30 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package laxcondition.util.extensions;
+
+public class LaxConditionConstants {
+
+	public static final String START = "\\[\\begin{array}{l} \n";
+	public static final String START2 = "$\\begin{array}{l} \n";
+	public static final String END = "\n\\end{array}\\]";
+	public static final String END2 = "\n\\end{array}$";
+
+	public static final String TRUE = "true";
+	public static final String NEG = "\\neg";
+	public static final String IMPL = "\\Rightarrow";
+	public static final String EQUIVALENT = "$\\Leftrightarrow$";
+	public static final String CRLEFT = "\\left. ";
+	public static final String CRCENTRE = "\\cr ";
+	public static final String CRRIGHT = "\\right. ";
+	public static final String LAND = "\\land";
+	public static final String LOR = "\\lor";
+	public static final String EXISTS = "\\exists";
+	public static final String FORALL = "\\forall";
+	public static final String LEFT = "\\left(";
+	public static final String RIGHT = "\\right)";
+	public static final String XOR = "\\veebar";
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/LaxConditionSimplifier.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/LaxConditionSimplifier.java
new file mode 100644
index 0000000..286c93c
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/LaxConditionSimplifier.java
@@ -0,0 +1,797 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package laxcondition.util.extensions;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.emf.common.util.BasicEList;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.common.util.TreeIterator;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.util.EcoreUtil;
+
+import graph.Edge;
+import graph.Graph;
+import graph.Node;
+import laxcondition.Condition;
+import laxcondition.Formula;
+import laxcondition.LaxCondition;
+import laxcondition.LaxconditionFactory;
+import laxcondition.Operator;
+import laxcondition.QuantifiedLaxCondition;
+import laxcondition.Quantifier;
+import laxcondition.True;
+
+public class LaxConditionSimplifier {
+
+	private Condition condition;
+	private LaxconditionFactory factory;
+
+	public LaxConditionSimplifier(Condition condition) {
+		this.condition = condition;
+		this.factory = LaxconditionFactory.eINSTANCE;
+	}
+
+	public boolean simplify() {
+		if (simplifyNames()) {
+			return simplify();
+		}
+		if (simplifyTrueOrFalseInFormula()) {
+			return simplify();
+		}
+		if (simplifyNotNot()) {
+			return simplify();
+		}
+
+		if (simplifyExists()) {
+			return simplify();
+		}
+		return true;
+	}
+
+	private boolean insert(EObject container, LaxCondition oldContent, LaxCondition newContent) {
+		if (container instanceof Condition) {
+			Condition constraint = (Condition) container;
+			constraint.setLaxCondition(newContent);
+			return true;
+		}
+		if (container instanceof QuantifiedLaxCondition) {
+			QuantifiedLaxCondition qlc = (QuantifiedLaxCondition) container;
+			qlc.setCondition(newContent);
+			return true;
+		}
+		if (container instanceof Formula) {
+			Formula f = (Formula) container;
+			int index = f.getArguments().indexOf(oldContent);
+			f.getArguments().set(index, newContent);
+			return true;
+		}
+		return false;
+	}
+
+	private boolean simplifyNames() {
+		TreeIterator<EObject> iter1 = condition.eAllContents();
+		while (iter1.hasNext()) {
+			EObject eObject1 = iter1.next();
+			if (eObject1 instanceof Node) {
+				Node node1 = (Node) eObject1;
+				if (node1.getNames().size() > 1) {
+					for (String name : node1.getNames()) {
+						boolean onlyOnce = true;
+						TreeIterator<EObject> iter2 = condition.eAllContents();
+						while (iter2.hasNext()) {
+							EObject eObject2 = iter2.next();
+							if (eObject2 instanceof Node) {
+								Node node2 = (Node) eObject2;
+								if (node1 != node2 && node2.getNames().contains(name)) {
+									onlyOnce = false;
+									break;
+								}
+							}
+						}
+						if (onlyOnce) {
+							node1.removeName(name);
+							System.out.println("Removing name: " + name);
+							return true;
+						}
+					}
+				}
+			}
+		}
+		return false;
+	}
+
+	private boolean simplifyExists() {
+		TreeIterator<EObject> iter = condition.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (isExistsCondition(eObject)) {
+				QuantifiedLaxCondition outerCondition = (QuantifiedLaxCondition) eObject;
+				LaxCondition cond = outerCondition.getCondition();
+				if (isExistsCondition(cond)) {
+					QuantifiedLaxCondition innerCondition = (QuantifiedLaxCondition) cond;
+					if (isTrue(innerCondition.getCondition())) {
+						Graph outerGraph = outerCondition.getGraph();
+						Graph innerGraph = innerCondition.getGraph();
+						if (isSubGraph(outerGraph, innerGraph)) {
+							outerCondition.setGraph(innerGraph);
+							outerCondition.setCondition(factory.createTrue());
+							System.out.println("Equivalence E1.c");
+							return true;
+						}
+						if (isSubGraph(innerGraph, outerGraph)) {
+							outerCondition.setCondition(factory.createTrue());
+							System.out.println("Equivalence E1.c");
+							return true;
+						}
+						if (areClanDisjoint(innerGraph, outerGraph)) {
+							EList<Node> innerNodes = innerGraph.getNodes();
+							innerGraph.getNodes().clear();
+							outerGraph.getNodes().addAll(innerNodes);
+							EList<Edge> innerEdges = innerGraph.getEdges();
+							innerGraph.getEdges().clear();
+							outerGraph.getEdges().addAll(innerEdges);
+							outerCondition.setCondition(factory.createTrue());
+							System.out.println("Equivalence E1.b");
+							return true;
+						}
+						if (haveIntersection(innerGraph, outerGraph)) {
+							EList<Intersection> intersections = getIntersections(outerGraph, innerGraph);
+							EObject container = outerCondition.eContainer();
+							if (intersections.size() == 1) {
+								QuantifiedLaxCondition condition = factory.createQuantifiedLaxCondition();
+								condition.setQuantifier(Quantifier.EXISTS);
+								condition.setGraph(glue(outerGraph, intersections.get(0), innerGraph));
+								condition.setCondition(factory.createTrue());
+								insert(container, outerCondition, condition);
+								System.out.println("Equivalence E1.a");
+								return true;
+							}
+							Formula formula = factory.createFormula();
+							formula.setOp(Operator.OR);
+							for (Intersection intersection : intersections) {
+								QuantifiedLaxCondition condition = factory.createQuantifiedLaxCondition();
+								condition.setQuantifier(Quantifier.EXISTS);
+								condition.setGraph(
+										glue(outerCondition.getGraph(), intersection, innerCondition.getGraph()));
+								condition.setCondition(factory.createTrue());
+								formula.getArguments().add(condition);
+							}
+							insert(container, outerCondition, formula);
+							System.out.println("Equivalence E1.a");
+							return true;
+						}
+						if (hasOnlyOneNode(innerGraph)) {
+							Node innerNode = innerGraph.getNodes().get(0);
+							if (hasTwoNames(innerNode)) {
+								String name1 = innerNode.getNames().get(0);
+								String name2 = innerNode.getNames().get(1);
+								if (containsExactlyOne(outerGraph, name1, name2)) {
+									rename(outerGraph, name1, name2);
+									outerCondition.setCondition(factory.createTrue());
+									System.out.println("Equivalence E3'");
+									return true;
+								}
+							}
+						}
+					}
+				}
+				if (isAndFormula(cond)) {
+					Formula andFormula = (Formula) cond;
+					if (andFormula.getArguments().size() == 2) {
+						if (isExistsCondition(andFormula.getArguments().get(0))
+								&& isExistsCondition(andFormula.getArguments().get(1))) {
+							QuantifiedLaxCondition cond1 = (QuantifiedLaxCondition) andFormula.getArguments().get(0);
+							QuantifiedLaxCondition cond2 = (QuantifiedLaxCondition) andFormula.getArguments().get(1);
+							if (cond1.getCondition() instanceof True && cond2.getCondition() instanceof True) {
+								Graph gr = outerCondition.getGraph();
+								Graph gr1 = cond1.getGraph();
+								Graph gr2 = cond2.getGraph();
+								if (hasOnlyOneNode(gr) && hasOnlyOneNode(gr2)) {
+									Node node = gr.getNodes().get(0);
+									Node node2 = gr2.getNodes().get(0);
+									if (haveSameTypes(node, node2) && hasOneName(node) && hasTwoNames(node2)) {
+										String name = node.getName();
+										String name1 = node2.getName().split("=")[0];
+										String name2 = node2.getName().split("=")[1];
+										if (name.equals(name1) || name.equals(name2)) {
+											if (containsExactlyOne(gr1, name1, name2)) {
+												rename(gr1, name1, name2);
+												outerCondition.setCondition(cond1);
+												System.out.println("Equivalence E3");
+												return true;
+											}
+										}
+									}
+								}
+								if (hasOnlyOneNode(gr) && hasOnlyOneNode(gr1)) {
+									Node node = gr.getNodes().get(0);
+									Node node1 = gr1.getNodes().get(0);
+									if (haveSameTypes(node, node1) && hasOneName(node) && hasTwoNames(node1)) {
+										String name = node.getName();
+										String name1 = node1.getName().split("=")[0];
+										String name2 = node1.getName().split("=")[1];
+										if (name.equals(name1) || name.equals(name2)) {
+											if (containsExactlyOne(gr2, name1, name2)) {
+												rename(gr2, name1, name2);
+												outerCondition.setCondition(cond2);
+												System.out.println("Equivalence E3");
+												return true;
+											}
+										}
+									}
+								}
+								System.out.println("=> haveRecurringNodes: " + haveRecurringNodes(gr1, gr2));
+								System.out.println(
+										"=> containsEachRecurringNode: " + containsEachRecurringNode(gr, gr1, gr2));
+								if (haveRecurringNodes(gr1, gr2)) {
+									if (containsEachRecurringNode(gr, gr1, gr2)
+											|| containsNoRecurringNodeType(gr, gr1, gr2)) {
+										if (haveIntersection(gr1, gr2)) {
+											EList<Intersection> intersections = getIntersections(gr1, gr2);
+											if (intersections.size() == 1) {
+												QuantifiedLaxCondition condition = factory
+														.createQuantifiedLaxCondition();
+												condition.setQuantifier(Quantifier.EXISTS);
+												condition.setGraph(glue(gr1, intersections.get(0), gr2));
+												condition.setCondition(factory.createTrue());
+												outerCondition.setCondition(condition);
+												System.out.println("Equivalence E2.a");
+												return true;
+											}
+											Formula formula = factory.createFormula();
+											formula.setOp(Operator.OR);
+											for (Intersection intersection : intersections) {
+												QuantifiedLaxCondition condition = factory
+														.createQuantifiedLaxCondition();
+												condition.setQuantifier(Quantifier.EXISTS);
+												condition.setGraph(glue(gr1, intersection, gr2));
+												condition.setCondition(factory.createTrue());
+												formula.getArguments().add(condition);
+											}
+											outerCondition.setCondition(formula);
+											System.out.println("Equivalence E2.a");
+											return true;
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+			if (isAndFormula(eObject)) {
+				Formula andFormula = (Formula) eObject;
+				if (andFormula.getArguments().size() == 2) {
+					if (isExistsCondition(andFormula.getArguments().get(0))
+							&& isExistsCondition(andFormula.getArguments().get(1))) {
+						QuantifiedLaxCondition cond1 = (QuantifiedLaxCondition) andFormula.getArguments().get(0);
+						QuantifiedLaxCondition cond2 = (QuantifiedLaxCondition) andFormula.getArguments().get(1);
+						if (cond1.getCondition() instanceof True && cond2.getCondition() instanceof True) {
+							Graph gr1 = cond1.getGraph();
+							Graph gr2 = cond2.getGraph();
+							if (areClanDisjoint(gr1, gr2) && areNodeNameDisjoint(gr1, gr2)) {
+								EList<Node> nodes = gr2.getNodes();
+								gr2.getNodes().clear();
+								gr1.getNodes().addAll(nodes);
+								EList<Edge> edges = gr2.getEdges();
+								gr2.getEdges().clear();
+								gr1.getEdges().addAll(edges);
+								EObject container = andFormula.eContainer();
+								insert(container, andFormula, cond1);
+								System.out.println("Equivalence E2.b");
+								return true;
+							}
+						}
+					}
+				}
+
+			}
+		}
+		return false;
+	}
+
+	private boolean haveRecurringNodes(Graph gr1, Graph gr2) {
+		EList<Node> recurringNodes = collectRecurringNodes(gr1, gr2);
+		return (!recurringNodes.isEmpty());
+	}
+
+	private boolean containsEachRecurringNode(Graph gr, Graph gr1, Graph gr2) {
+		EList<Node> recurringNodes = collectRecurringNodes(gr1, gr2);
+		for (Node recurringNode : recurringNodes) {
+			boolean occurs = false;
+			String nodeName = recurringNode.getName();
+			EClass type = recurringNode.getType();
+			for (Node node : gr.getNodes()) {
+				if (node.getName().equals(nodeName) && node.getType() == type) {
+					occurs = true;
+					break;
+				}
+			}
+			if (!occurs) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	private boolean containsNoRecurringNodeType(Graph gr, Graph gr1, Graph gr2) {
+		EList<Node> recurringNodes = collectRecurringNodes(gr1, gr2);
+		boolean occurs = false;
+		for (Node recurringNode : recurringNodes) {
+			EClass type = recurringNode.getType();
+			for (Node node : gr.getNodes()) {
+				if (node.getType() == type) {
+					occurs = true;
+					break;
+				}
+			}
+		}
+		return !occurs;
+	}
+
+	private EList<Node> collectRecurringNodes(Graph gr1, Graph gr2) {
+		EList<Node> recurringNodes = new BasicEList<Node>();
+		for (Node node1 : gr1.getNodes()) {
+			String nodeName = node1.getName();
+			EClass type = node1.getType();
+			for (Node node2 : gr2.getNodes()) {
+				if (node2.getName().equals(nodeName) && node2.getType() == type) {
+					recurringNodes.add(node1);
+					break;
+				}
+			}
+		}
+		return recurringNodes;
+	}
+
+	private void rename(Graph graph, String name1, String name2) {
+		String newName = name1 + "=" + name2;
+		for (Node node : graph.getNodes()) {
+			if (node.getName().equals(name1) || node.getName().equals(name2)) {
+				node.setName(newName);
+			}
+		}
+	}
+
+	private boolean containsExactlyOne(Graph graph, String name1, String name2) {
+		boolean exists1 = false;
+		boolean exists2 = false;
+		for (Node node : graph.getNodes()) {
+			if (node.getName().equals(name1))
+				exists1 = true;
+			if (node.getName().equals(name2))
+				exists2 = true;
+		}
+		return ((exists1 && !exists2) || (!exists1 && exists2));
+	}
+
+	private boolean hasTwoNames(Node node) {
+		return (node.getName().split("=").length == 2);
+	}
+
+	private boolean hasOneName(Node node) {
+		return (node.getName().split("=").length == 1);
+	}
+
+	private boolean haveSameTypes(Node node1, Node node2) {
+		return (node1.getType() == node2.getType());
+	}
+
+	private boolean hasOnlyOneNode(Graph graph) {
+		return (graph.getNodes().size() == 1 && graph.getEdges().isEmpty());
+	}
+
+	private Graph glue(Graph gr1, Intersection intersection, Graph gr2) {
+		Graph graph = intersection.getSourceGraph();
+
+		for (Node node : gr1.getNodes()) {
+			if (!intersection.containsSource(node)) {
+				Node nodeCopy = EcoreUtil.copy(node);
+				intersection.addNodeMapping(new NodeMapping(nodeCopy, node));
+				graph.getNodes().add(nodeCopy);
+			}
+		}
+		for (Node node : gr2.getNodes()) {
+			if (!intersection.containsTarget(node)) {
+				Node nodeCopy = EcoreUtil.copy(node);
+				intersection.addNodeMapping(new NodeMapping(nodeCopy, node));
+				graph.getNodes().add(nodeCopy);
+			}
+		}
+
+		for (Edge edge : gr1.getEdges()) {
+			if (!intersection.containsTarget(edge)) {
+				Edge edgeCopy = EcoreUtil.copy(edge);
+				edgeCopy.setSource(intersection.getSourceNode1(edge.getSource()));
+				edgeCopy.setTarget(intersection.getSourceNode1(edge.getTarget()));
+				graph.getEdges().add(edgeCopy);
+			}
+		}
+		for (Edge edge : gr2.getEdges()) {
+			if (!intersection.containsTarget(edge)) {
+				Edge edgeCopy = EcoreUtil.copy(edge);
+				edgeCopy.setSource(intersection.getSourceNode(edge.getSource()));
+				edgeCopy.setTarget(intersection.getSourceNode(edge.getTarget()));
+				graph.getEdges().add(edgeCopy);
+			}
+		}
+		graph.setTypegraph(gr1.getTypegraph());
+		return graph;
+	}
+
+	private EList<Intersection> getIntersections(Graph gr1, Graph gr2) {
+		EList<Intersection> intersections = new BasicEList<Intersection>();
+		EList<Graph> subGraphs = new BasicEList<Graph>();
+		fillSubGraphs(subGraphs, gr1);
+		for (Graph graph : subGraphs) {
+			if (isSubGraph(graph, gr2)) {
+				intersections.add(getIntersection(graph, gr2));
+			}
+		}
+		return intersections;
+	}
+
+	private Intersection getIntersection(Graph subGraph, Graph graph) {
+		Intersection intersection = new Intersection();
+		for (Node n1 : subGraph.getNodes()) {
+			for (Node n2 : graph.getNodes()) {
+				if (n1.getType() == n2.getType() && n1.getName().equals(n2.getName())) {
+					intersection.addNodeMapping(new NodeMapping(n1, n2));
+				}
+			}
+		}
+		for (Edge e1 : subGraph.getEdges()) {
+			Node src1 = e1.getSource();
+			NodeMapping srcMapping = getMapping(intersection.getNodeMappings(), src1);
+			Node tgt1 = e1.getTarget();
+			NodeMapping tgtMapping = getMapping(intersection.getNodeMappings(), tgt1);
+			for (Edge e2 : graph.getEdges()) {
+				Node src2 = e2.getSource();
+				Node tgt2 = e2.getTarget();
+				if (e1.getType() == e2.getType() && srcMapping.getTargetNode() == src2
+						&& tgtMapping.getTargetNode() == tgt2) {
+					intersection.addEdgeMapping(new EdgeMapping(e1, e2));
+					break;
+				}
+			}
+		}
+		return intersection;
+	}
+
+	private void fillSubGraphs(EList<Graph> subGraphs, Graph graph) {
+		EList<Edge> edges = cloneEdges(graph);
+		for (Edge edge : edges) {
+			graph.getEdges().remove(edge);
+			Graph gr = EcoreUtil.copy(graph);
+			graph.getEdges().add(edge);
+			testAndFill(subGraphs, gr);
+		}
+		EList<Node> nodes = cloneNodes(graph);
+		for (Node node : nodes) {
+			if (!isConnected(node, graph)) {
+				graph.getNodes().remove(node);
+				Graph gr = EcoreUtil.copy(graph);
+				graph.getNodes().add(node);
+				if (!isEmptyGraph(gr)) {
+					testAndFill(subGraphs, gr);
+				}
+			}
+		}
+	}
+
+	private boolean isEmptyGraph(Graph graph) {
+		return (graph.getNodes().isEmpty() && graph.getEdges().isEmpty());
+	}
+
+	private boolean isConnected(Node node, Graph graph) {
+		for (Edge edge : graph.getEdges()) {
+			if (edge.getSource() == node)
+				return true;
+			if (edge.getTarget() == node)
+				return true;
+		}
+		return false;
+	}
+
+	private void testAndFill(EList<Graph> graphs, Graph graph) {
+		if (!contains(graphs, graph)) {
+			graphs.add(graph);
+			fillSubGraphs(graphs, graph);
+		}
+	}
+
+	private boolean contains(EList<Graph> graphs, Graph graph) {
+		for (Graph gr : graphs) {
+			if (isSameGraph(gr, graph)) {
+				return true;
+			}
+		}
+		return false;
+	}
+
+	private boolean isSameGraph(Graph gr1, Graph gr2) {
+		return (isSubGraph(gr1, gr2) && isSubGraph(gr2, gr1));
+	}
+
+	private EList<Node> cloneNodes(Graph graph) {
+		EList<Node> nodes = new BasicEList<Node>();
+		for (Node node : graph.getNodes()) {
+			nodes.add(node);
+		}
+		return nodes;
+	}
+
+	private EList<Edge> cloneEdges(Graph graph) {
+		EList<Edge> edges = new BasicEList<Edge>();
+		for (Edge edge : graph.getEdges()) {
+			edges.add(edge);
+		}
+		return edges;
+	}
+
+	private boolean areNodeNameDisjoint(Graph gr1, Graph gr2) {
+		List<String> names1 = getNodeNames(gr1);
+		List<String> names2 = getNodeNames(gr2);
+		for (String str1 : names1) {
+			for (String str2 : names2) {
+				if (str1.equals(str2)) {
+					return false;
+				}
+			}
+		}
+		return true;
+	}
+
+	private List<String> getNodeNames(Graph graph) {
+		List<String> names = new ArrayList<String>();
+		for (Node node : graph.getNodes()) {
+			names.addAll(node.getNames());
+		}
+		return names;
+	}
+
+	private boolean haveIntersection(Graph gr1, Graph gr2) {
+		EList<Intersection> intersections = getIntersections(gr1, gr2);
+		return !intersections.isEmpty();
+	}
+
+	private boolean areClanDisjoint(Graph gr1, Graph gr2) {
+		for (Node n1 : gr1.getNodes()) {
+			EList<EClass> clan1 = getClan(n1.getType());
+			for (Node n2 : gr2.getNodes()) {
+				if (clan1.contains(n2.getType())) {
+					return false;
+				}
+			}
+		}
+		for (Node n2 : gr2.getNodes()) {
+			EList<EClass> clan2 = getClan(n2.getType());
+			for (Node n1 : gr1.getNodes()) {
+				if (clan2.contains(n1.getType())) {
+					return false;
+				}
+			}
+		}
+		return true;
+	}
+
+	private EList<EClass> getClan(EClass eClass) {
+		EList<EClass> eClasses = new BasicEList<EClass>();
+		eClasses.add(eClass);
+		eClasses.addAll(getAllSubclasses(eClass));
+		return eClasses;
+	}
+
+	private EList<EClass> getAllSubclasses(EClass eClass) {
+		EList<EClass> eClasses = new BasicEList<EClass>();
+		EPackage ePackage = eClass.getEPackage();
+		TreeIterator<EObject> iter = ePackage.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (eObject instanceof EClass) {
+				EClass clazz = (EClass) eObject;
+				if (clazz.getEAllSuperTypes().contains(eClass)) {
+					eClasses.add(clazz);
+				}
+			}
+		}
+		return eClasses;
+	}
+
+	private boolean isSubGraph(Graph gr1, Graph gr2) {
+		EList<NodeMapping> nodeMappings = new BasicEList<NodeMapping>();
+		for (Node n1 : gr1.getNodes()) {
+			for (Node n2 : gr2.getNodes()) {
+				if (n1.getType() == n2.getType()) {
+					if (n2.getNames().containsAll(n1.getNames())) {
+						nodeMappings.add(new NodeMapping(n1, n2));
+					}
+				}
+			}
+		}
+		if (gr1.getNodes().size() != nodeMappings.size()) {
+			return false;
+		}
+		for (Edge e1 : gr1.getEdges()) {
+			Node src1 = e1.getSource();
+			NodeMapping srcMapping = getMapping(nodeMappings, src1);
+			Node tgt1 = e1.getTarget();
+			NodeMapping tgtMapping = getMapping(nodeMappings, tgt1);
+			boolean hasTarget = false;
+			for (Edge e2 : gr2.getEdges()) {
+				Node src2 = e2.getSource();
+				Node tgt2 = e2.getTarget();
+				if (e1.getType() == e2.getType() && srcMapping.getTargetNode() == src2
+						&& tgtMapping.getTargetNode() == tgt2) {
+					hasTarget = true;
+					break;
+				}
+			}
+			if (!hasTarget) {
+				return false;
+			}
+		}
+		return true;
+	}
+
+	private NodeMapping getMapping(EList<NodeMapping> nodeMappings, Node node) {
+		for (NodeMapping nm : nodeMappings) {
+			if (nm.getSourceNode() == node) {
+				return nm;
+			}
+		}
+		return null;
+	}
+
+	private boolean simplifyTrueOrFalseInFormula() {
+		TreeIterator<EObject> iter = condition.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (isAndFormula(eObject)) {
+				Formula formula = (Formula) eObject;
+				EObject container = formula.eContainer();
+				LaxCondition arg1 = formula.getArguments().get(0);
+				LaxCondition arg2 = formula.getArguments().get(1);
+				if (isTrue(arg1)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg2);
+					} else {
+						return removeArgument(formula, arg1);
+					}
+				}
+				if (isTrue(arg2)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg1);
+					} else {
+						return removeArgument(formula, arg2);
+					}
+				}
+				if (isFalse(arg1)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg1);
+					} else {
+						return removeArgument(formula, arg2);
+					}
+				}
+				if (isFalse(arg2)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg2);
+					} else {
+						return removeArgument(formula, arg1);
+					}
+				}
+			}
+			if (isOrFormula(eObject)) {
+				Formula formula = (Formula) eObject;
+				EObject container = formula.eContainer();
+				LaxCondition arg1 = formula.getArguments().get(0);
+				LaxCondition arg2 = formula.getArguments().get(1);
+				if (isTrue(arg1)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg1);
+					} else {
+						return removeArgument(formula, arg2);
+					}
+				}
+				if (isTrue(arg2)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg2);
+					} else {
+						return removeArgument(formula, arg1);
+					}
+				}
+				if (isFalse(arg1)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg2);
+					} else {
+						return removeArgument(formula, arg1);
+					}
+				}
+				if (isFalse(arg2)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg1);
+					} else {
+						return removeArgument(formula, arg2);
+					}
+				}
+			}
+		}
+		return false;
+	}
+
+	private boolean removeArgument(Formula formula, LaxCondition cond) {
+		return formula.getArguments().remove(cond);
+	}
+
+	private boolean twoArguments(Formula formula) {
+		return (formula.getArguments().size() == 2);
+	}
+
+	private boolean isFalse(LaxCondition cond) {
+		if (isNotFormula(cond)) {
+			Formula formula = (Formula) cond;
+			return isTrue(formula.getArguments().get(0));
+		}
+		return false;
+	}
+
+	private boolean isTrue(LaxCondition cond) {
+		return (cond instanceof True);
+	}
+
+	private boolean simplifyNotNot() {
+		TreeIterator<EObject> iter = condition.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (isNotFormula(eObject)) {
+				Formula formula = (Formula) eObject;
+				if (isNotFormula(formula.getArguments().get(0))) {
+					Formula innerFormula = (Formula) formula.getArguments().get(0);
+					LaxCondition innerCondition = innerFormula.getArguments().get(0);
+					EObject container = formula.eContainer();
+					return insert(container, formula, innerCondition);
+				}
+			}
+		}
+		return false;
+	}
+
+	private boolean isNotFormula(EObject eObject) {
+		if (eObject instanceof Formula) {
+			Formula formula = (Formula) eObject;
+			return (formula.getOp().equals(Operator.NOT));
+		}
+		return false;
+	}
+
+	private boolean isAndFormula(EObject eObject) {
+		if (eObject instanceof Formula) {
+			Formula formula = (Formula) eObject;
+			return (formula.getOp().equals(Operator.AND));
+		}
+		return false;
+	}
+
+	private boolean isOrFormula(EObject eObject) {
+		if (eObject instanceof Formula) {
+			Formula formula = (Formula) eObject;
+			return (formula.getOp().equals(Operator.OR));
+		}
+		return false;
+	}
+
+	private boolean isExistsCondition(EObject eObject) {
+		if (eObject instanceof QuantifiedLaxCondition) {
+			QuantifiedLaxCondition cond = (QuantifiedLaxCondition) eObject;
+			return (cond.getQuantifier().equals(Quantifier.EXISTS));
+		}
+		return false;
+	}
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/NodeMapping.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/NodeMapping.java
new file mode 100644
index 0000000..f9c5ac9
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/laxcondition/util/extensions/NodeMapping.java
@@ -0,0 +1,29 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package laxcondition.util.extensions;
+
+import graph.Node;
+
+public class NodeMapping {
+
+	private Node sourceNode;
+
+	public NodeMapping(Node sourceNode, Node targetNode) {
+		this.sourceNode = sourceNode;
+		this.targetNode = targetNode;
+	}
+
+	private Node targetNode;
+
+	public Node getSourceNode() {
+		return sourceNode;
+	}
+
+	public Node getTargetNode() {
+		return targetNode;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/Mapping.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/Mapping.java
new file mode 100644
index 0000000..3d5cc78
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/Mapping.java
@@ -0,0 +1,79 @@
+/**
+ */
+package morphisms;
+
+import graph.Node;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Mapping</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link morphisms.Mapping#getOrigin <em>Origin</em>}</li>
+ *   <li>{@link morphisms.Mapping#getImage <em>Image</em>}</li>
+ * </ul>
+ *
+ * @see morphisms.MorphismsPackage#getMapping()
+ * @model
+ * @generated
+ */
+public interface Mapping extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Origin</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Origin</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Origin</em>' reference.
+	 * @see #setOrigin(Node)
+	 * @see morphisms.MorphismsPackage#getMapping_Origin()
+	 * @model required="true"
+	 * @generated
+	 */
+	Node getOrigin();
+
+	/**
+	 * Sets the value of the '{@link morphisms.Mapping#getOrigin <em>Origin</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Origin</em>' reference.
+	 * @see #getOrigin()
+	 * @generated
+	 */
+	void setOrigin(Node value);
+
+	/**
+	 * Returns the value of the '<em><b>Image</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Image</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Image</em>' reference.
+	 * @see #setImage(Node)
+	 * @see morphisms.MorphismsPackage#getMapping_Image()
+	 * @model required="true"
+	 * @generated
+	 */
+	Node getImage();
+
+	/**
+	 * Sets the value of the '{@link morphisms.Mapping#getImage <em>Image</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Image</em>' reference.
+	 * @see #getImage()
+	 * @generated
+	 */
+	void setImage(Node value);
+
+} // Mapping
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/Morphism.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/Morphism.java
new file mode 100644
index 0000000..633b869
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/Morphism.java
@@ -0,0 +1,98 @@
+/**
+ */
+package morphisms;
+
+import graph.Graph;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Morphism</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link morphisms.Morphism#getDomain <em>Domain</em>}</li>
+ *   <li>{@link morphisms.Morphism#getCodomain <em>Codomain</em>}</li>
+ *   <li>{@link morphisms.Morphism#getMappings <em>Mappings</em>}</li>
+ * </ul>
+ *
+ * @see morphisms.MorphismsPackage#getMorphism()
+ * @model
+ * @generated
+ */
+public interface Morphism extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Domain</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Domain</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Domain</em>' reference.
+	 * @see #setDomain(Graph)
+	 * @see morphisms.MorphismsPackage#getMorphism_Domain()
+	 * @model
+	 * @generated
+	 */
+	Graph getDomain();
+
+	/**
+	 * Sets the value of the '{@link morphisms.Morphism#getDomain <em>Domain</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Domain</em>' reference.
+	 * @see #getDomain()
+	 * @generated
+	 */
+	void setDomain(Graph value);
+
+	/**
+	 * Returns the value of the '<em><b>Codomain</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Codomain</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Codomain</em>' reference.
+	 * @see #setCodomain(Graph)
+	 * @see morphisms.MorphismsPackage#getMorphism_Codomain()
+	 * @model
+	 * @generated
+	 */
+	Graph getCodomain();
+
+	/**
+	 * Sets the value of the '{@link morphisms.Morphism#getCodomain <em>Codomain</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Codomain</em>' reference.
+	 * @see #getCodomain()
+	 * @generated
+	 */
+	void setCodomain(Graph value);
+
+	/**
+	 * Returns the value of the '<em><b>Mappings</b></em>' containment reference list.
+	 * The list contents are of type {@link morphisms.Mapping}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Mappings</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Mappings</em>' containment reference list.
+	 * @see morphisms.MorphismsPackage#getMorphism_Mappings()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<Mapping> getMappings();
+
+} // Morphism
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/MorphismsFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/MorphismsFactory.java
new file mode 100644
index 0000000..1131dd9
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/MorphismsFactory.java
@@ -0,0 +1,60 @@
+/**
+ */
+package morphisms;
+
+import org.eclipse.emf.ecore.EFactory;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Factory</b> for the model.
+ * It provides a create method for each non-abstract class of the model.
+ * <!-- end-user-doc -->
+ * @see morphisms.MorphismsPackage
+ * @generated
+ */
+public interface MorphismsFactory extends EFactory {
+	/**
+	 * The singleton instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	MorphismsFactory eINSTANCE = morphisms.impl.MorphismsFactoryImpl.init();
+
+	/**
+	 * Returns a new object of class '<em>Morphism</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Morphism</em>'.
+	 * @generated
+	 */
+	Morphism createMorphism();
+
+	/**
+	 * Returns a new object of class '<em>Mapping</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Mapping</em>'.
+	 * @generated
+	 */
+	Mapping createMapping();
+
+	/**
+	 * Returns a new object of class '<em>Pair</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Pair</em>'.
+	 * @generated
+	 */
+	Pair createPair();
+
+	/**
+	 * Returns the package supported by this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the package supported by this factory.
+	 * @generated
+	 */
+	MorphismsPackage getMorphismsPackage();
+
+} //MorphismsFactory
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/MorphismsPackage.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/MorphismsPackage.java
new file mode 100644
index 0000000..dace9fe
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/MorphismsPackage.java
@@ -0,0 +1,425 @@
+/**
+ */
+package morphisms;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Package</b> for the model.
+ * It contains accessors for the meta objects to represent
+ * <ul>
+ *   <li>each class,</li>
+ *   <li>each feature of each class,</li>
+ *   <li>each operation of each class,</li>
+ *   <li>each enum,</li>
+ *   <li>and each data type</li>
+ * </ul>
+ * <!-- end-user-doc -->
+ * @see morphisms.MorphismsFactory
+ * @model kind="package"
+ *        annotation="http://www.eclipse.org/OCL/Import graph='graph.ecore#/'"
+ * @generated
+ */
+public interface MorphismsPackage extends EPackage {
+	/**
+	 * The package name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNAME = "morphisms";
+
+	/**
+	 * The package namespace URI.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_URI = "http://www.example.org/morphisms";
+
+	/**
+	 * The package namespace name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_PREFIX = "morphisms";
+
+	/**
+	 * The singleton instance of the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	MorphismsPackage eINSTANCE = morphisms.impl.MorphismsPackageImpl.init();
+
+	/**
+	 * The meta object id for the '{@link morphisms.impl.MorphismImpl <em>Morphism</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see morphisms.impl.MorphismImpl
+	 * @see morphisms.impl.MorphismsPackageImpl#getMorphism()
+	 * @generated
+	 */
+	int MORPHISM = 0;
+
+	/**
+	 * The feature id for the '<em><b>Domain</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MORPHISM__DOMAIN = 0;
+
+	/**
+	 * The feature id for the '<em><b>Codomain</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MORPHISM__CODOMAIN = 1;
+
+	/**
+	 * The feature id for the '<em><b>Mappings</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MORPHISM__MAPPINGS = 2;
+
+	/**
+	 * The number of structural features of the '<em>Morphism</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MORPHISM_FEATURE_COUNT = 3;
+
+	/**
+	 * The number of operations of the '<em>Morphism</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MORPHISM_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link morphisms.impl.MappingImpl <em>Mapping</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see morphisms.impl.MappingImpl
+	 * @see morphisms.impl.MorphismsPackageImpl#getMapping()
+	 * @generated
+	 */
+	int MAPPING = 1;
+
+	/**
+	 * The feature id for the '<em><b>Origin</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MAPPING__ORIGIN = 0;
+
+	/**
+	 * The feature id for the '<em><b>Image</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MAPPING__IMAGE = 1;
+
+	/**
+	 * The number of structural features of the '<em>Mapping</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MAPPING_FEATURE_COUNT = 2;
+
+	/**
+	 * The number of operations of the '<em>Mapping</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MAPPING_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link morphisms.impl.PairImpl <em>Pair</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see morphisms.impl.PairImpl
+	 * @see morphisms.impl.MorphismsPackageImpl#getPair()
+	 * @generated
+	 */
+	int PAIR = 2;
+
+	/**
+	 * The feature id for the '<em><b>A</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int PAIR__A = 0;
+
+	/**
+	 * The feature id for the '<em><b>B</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int PAIR__B = 1;
+
+	/**
+	 * The number of structural features of the '<em>Pair</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int PAIR_FEATURE_COUNT = 2;
+
+	/**
+	 * The number of operations of the '<em>Pair</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int PAIR_OPERATION_COUNT = 0;
+
+
+	/**
+	 * Returns the meta object for class '{@link morphisms.Morphism <em>Morphism</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Morphism</em>'.
+	 * @see morphisms.Morphism
+	 * @generated
+	 */
+	EClass getMorphism();
+
+	/**
+	 * Returns the meta object for the reference '{@link morphisms.Morphism#getDomain <em>Domain</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Domain</em>'.
+	 * @see morphisms.Morphism#getDomain()
+	 * @see #getMorphism()
+	 * @generated
+	 */
+	EReference getMorphism_Domain();
+
+	/**
+	 * Returns the meta object for the reference '{@link morphisms.Morphism#getCodomain <em>Codomain</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Codomain</em>'.
+	 * @see morphisms.Morphism#getCodomain()
+	 * @see #getMorphism()
+	 * @generated
+	 */
+	EReference getMorphism_Codomain();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link morphisms.Morphism#getMappings <em>Mappings</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Mappings</em>'.
+	 * @see morphisms.Morphism#getMappings()
+	 * @see #getMorphism()
+	 * @generated
+	 */
+	EReference getMorphism_Mappings();
+
+	/**
+	 * Returns the meta object for class '{@link morphisms.Mapping <em>Mapping</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Mapping</em>'.
+	 * @see morphisms.Mapping
+	 * @generated
+	 */
+	EClass getMapping();
+
+	/**
+	 * Returns the meta object for the reference '{@link morphisms.Mapping#getOrigin <em>Origin</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Origin</em>'.
+	 * @see morphisms.Mapping#getOrigin()
+	 * @see #getMapping()
+	 * @generated
+	 */
+	EReference getMapping_Origin();
+
+	/**
+	 * Returns the meta object for the reference '{@link morphisms.Mapping#getImage <em>Image</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Image</em>'.
+	 * @see morphisms.Mapping#getImage()
+	 * @see #getMapping()
+	 * @generated
+	 */
+	EReference getMapping_Image();
+
+	/**
+	 * Returns the meta object for class '{@link morphisms.Pair <em>Pair</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Pair</em>'.
+	 * @see morphisms.Pair
+	 * @generated
+	 */
+	EClass getPair();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link morphisms.Pair#getA <em>A</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>A</em>'.
+	 * @see morphisms.Pair#getA()
+	 * @see #getPair()
+	 * @generated
+	 */
+	EReference getPair_A();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link morphisms.Pair#getB <em>B</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>B</em>'.
+	 * @see morphisms.Pair#getB()
+	 * @see #getPair()
+	 * @generated
+	 */
+	EReference getPair_B();
+
+	/**
+	 * Returns the factory that creates the instances of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the factory that creates the instances of the model.
+	 * @generated
+	 */
+	MorphismsFactory getMorphismsFactory();
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * Defines literals for the meta objects that represent
+	 * <ul>
+	 *   <li>each class,</li>
+	 *   <li>each feature of each class,</li>
+	 *   <li>each operation of each class,</li>
+	 *   <li>each enum,</li>
+	 *   <li>and each data type</li>
+	 * </ul>
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	interface Literals {
+		/**
+		 * The meta object literal for the '{@link morphisms.impl.MorphismImpl <em>Morphism</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see morphisms.impl.MorphismImpl
+		 * @see morphisms.impl.MorphismsPackageImpl#getMorphism()
+		 * @generated
+		 */
+		EClass MORPHISM = eINSTANCE.getMorphism();
+
+		/**
+		 * The meta object literal for the '<em><b>Domain</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference MORPHISM__DOMAIN = eINSTANCE.getMorphism_Domain();
+
+		/**
+		 * The meta object literal for the '<em><b>Codomain</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference MORPHISM__CODOMAIN = eINSTANCE.getMorphism_Codomain();
+
+		/**
+		 * The meta object literal for the '<em><b>Mappings</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference MORPHISM__MAPPINGS = eINSTANCE.getMorphism_Mappings();
+
+		/**
+		 * The meta object literal for the '{@link morphisms.impl.MappingImpl <em>Mapping</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see morphisms.impl.MappingImpl
+		 * @see morphisms.impl.MorphismsPackageImpl#getMapping()
+		 * @generated
+		 */
+		EClass MAPPING = eINSTANCE.getMapping();
+
+		/**
+		 * The meta object literal for the '<em><b>Origin</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference MAPPING__ORIGIN = eINSTANCE.getMapping_Origin();
+
+		/**
+		 * The meta object literal for the '<em><b>Image</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference MAPPING__IMAGE = eINSTANCE.getMapping_Image();
+
+		/**
+		 * The meta object literal for the '{@link morphisms.impl.PairImpl <em>Pair</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see morphisms.impl.PairImpl
+		 * @see morphisms.impl.MorphismsPackageImpl#getPair()
+		 * @generated
+		 */
+		EClass PAIR = eINSTANCE.getPair();
+
+		/**
+		 * The meta object literal for the '<em><b>A</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference PAIR__A = eINSTANCE.getPair_A();
+
+		/**
+		 * The meta object literal for the '<em><b>B</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference PAIR__B = eINSTANCE.getPair_B();
+
+	}
+
+} //MorphismsPackage
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/Pair.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/Pair.java
new file mode 100644
index 0000000..ff9e3aa
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/Pair.java
@@ -0,0 +1,77 @@
+/**
+ */
+package morphisms;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Pair</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link morphisms.Pair#getA <em>A</em>}</li>
+ *   <li>{@link morphisms.Pair#getB <em>B</em>}</li>
+ * </ul>
+ *
+ * @see morphisms.MorphismsPackage#getPair()
+ * @model
+ * @generated
+ */
+public interface Pair extends EObject {
+	/**
+	 * Returns the value of the '<em><b>A</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>A</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>A</em>' containment reference.
+	 * @see #setA(Morphism)
+	 * @see morphisms.MorphismsPackage#getPair_A()
+	 * @model containment="true" required="true"
+	 * @generated
+	 */
+	Morphism getA();
+
+	/**
+	 * Sets the value of the '{@link morphisms.Pair#getA <em>A</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>A</em>' containment reference.
+	 * @see #getA()
+	 * @generated
+	 */
+	void setA(Morphism value);
+
+	/**
+	 * Returns the value of the '<em><b>B</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>B</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>B</em>' containment reference.
+	 * @see #setB(Morphism)
+	 * @see morphisms.MorphismsPackage#getPair_B()
+	 * @model containment="true" required="true"
+	 * @generated
+	 */
+	Morphism getB();
+
+	/**
+	 * Sets the value of the '{@link morphisms.Pair#getB <em>B</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>B</em>' containment reference.
+	 * @see #getB()
+	 * @generated
+	 */
+	void setB(Morphism value);
+
+} // Pair
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/MappingImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/MappingImpl.java
new file mode 100644
index 0000000..08fbf22
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/MappingImpl.java
@@ -0,0 +1,218 @@
+/**
+ */
+package morphisms.impl;
+
+import graph.Node;
+
+import morphisms.Mapping;
+import morphisms.MorphismsPackage;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Mapping</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link morphisms.impl.MappingImpl#getOrigin <em>Origin</em>}</li>
+ *   <li>{@link morphisms.impl.MappingImpl#getImage <em>Image</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class MappingImpl extends MinimalEObjectImpl.Container implements Mapping {
+	/**
+	 * The cached value of the '{@link #getOrigin() <em>Origin</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getOrigin()
+	 * @generated
+	 * @ordered
+	 */
+	protected Node origin;
+
+	/**
+	 * The cached value of the '{@link #getImage() <em>Image</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getImage()
+	 * @generated
+	 * @ordered
+	 */
+	protected Node image;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected MappingImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return MorphismsPackage.Literals.MAPPING;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node getOrigin() {
+		if (origin != null && origin.eIsProxy()) {
+			InternalEObject oldOrigin = (InternalEObject)origin;
+			origin = (Node)eResolveProxy(oldOrigin);
+			if (origin != oldOrigin) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, MorphismsPackage.MAPPING__ORIGIN, oldOrigin, origin));
+			}
+		}
+		return origin;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node basicGetOrigin() {
+		return origin;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setOrigin(Node newOrigin) {
+		Node oldOrigin = origin;
+		origin = newOrigin;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, MorphismsPackage.MAPPING__ORIGIN, oldOrigin, origin));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node getImage() {
+		if (image != null && image.eIsProxy()) {
+			InternalEObject oldImage = (InternalEObject)image;
+			image = (Node)eResolveProxy(oldImage);
+			if (image != oldImage) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, MorphismsPackage.MAPPING__IMAGE, oldImage, image));
+			}
+		}
+		return image;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node basicGetImage() {
+		return image;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setImage(Node newImage) {
+		Node oldImage = image;
+		image = newImage;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, MorphismsPackage.MAPPING__IMAGE, oldImage, image));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case MorphismsPackage.MAPPING__ORIGIN:
+				if (resolve) return getOrigin();
+				return basicGetOrigin();
+			case MorphismsPackage.MAPPING__IMAGE:
+				if (resolve) return getImage();
+				return basicGetImage();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case MorphismsPackage.MAPPING__ORIGIN:
+				setOrigin((Node)newValue);
+				return;
+			case MorphismsPackage.MAPPING__IMAGE:
+				setImage((Node)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case MorphismsPackage.MAPPING__ORIGIN:
+				setOrigin((Node)null);
+				return;
+			case MorphismsPackage.MAPPING__IMAGE:
+				setImage((Node)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case MorphismsPackage.MAPPING__ORIGIN:
+				return origin != null;
+			case MorphismsPackage.MAPPING__IMAGE:
+				return image != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+} //MappingImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/MorphismImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/MorphismImpl.java
new file mode 100644
index 0000000..f24bed4
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/MorphismImpl.java
@@ -0,0 +1,276 @@
+/**
+ */
+package morphisms.impl;
+
+import graph.Graph;
+
+import java.util.Collection;
+
+import morphisms.Mapping;
+import morphisms.Morphism;
+import morphisms.MorphismsPackage;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Morphism</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link morphisms.impl.MorphismImpl#getDomain <em>Domain</em>}</li>
+ *   <li>{@link morphisms.impl.MorphismImpl#getCodomain <em>Codomain</em>}</li>
+ *   <li>{@link morphisms.impl.MorphismImpl#getMappings <em>Mappings</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class MorphismImpl extends MinimalEObjectImpl.Container implements Morphism {
+	/**
+	 * The cached value of the '{@link #getDomain() <em>Domain</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getDomain()
+	 * @generated
+	 * @ordered
+	 */
+	protected Graph domain;
+
+	/**
+	 * The cached value of the '{@link #getCodomain() <em>Codomain</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getCodomain()
+	 * @generated
+	 * @ordered
+	 */
+	protected Graph codomain;
+
+	/**
+	 * The cached value of the '{@link #getMappings() <em>Mappings</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getMappings()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Mapping> mappings;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected MorphismImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return MorphismsPackage.Literals.MORPHISM;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph getDomain() {
+		if (domain != null && domain.eIsProxy()) {
+			InternalEObject oldDomain = (InternalEObject)domain;
+			domain = (Graph)eResolveProxy(oldDomain);
+			if (domain != oldDomain) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, MorphismsPackage.MORPHISM__DOMAIN, oldDomain, domain));
+			}
+		}
+		return domain;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph basicGetDomain() {
+		return domain;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setDomain(Graph newDomain) {
+		Graph oldDomain = domain;
+		domain = newDomain;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, MorphismsPackage.MORPHISM__DOMAIN, oldDomain, domain));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph getCodomain() {
+		if (codomain != null && codomain.eIsProxy()) {
+			InternalEObject oldCodomain = (InternalEObject)codomain;
+			codomain = (Graph)eResolveProxy(oldCodomain);
+			if (codomain != oldCodomain) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, MorphismsPackage.MORPHISM__CODOMAIN, oldCodomain, codomain));
+			}
+		}
+		return codomain;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph basicGetCodomain() {
+		return codomain;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setCodomain(Graph newCodomain) {
+		Graph oldCodomain = codomain;
+		codomain = newCodomain;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, MorphismsPackage.MORPHISM__CODOMAIN, oldCodomain, codomain));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Mapping> getMappings() {
+		if (mappings == null) {
+			mappings = new EObjectContainmentEList<Mapping>(Mapping.class, this, MorphismsPackage.MORPHISM__MAPPINGS);
+		}
+		return mappings;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case MorphismsPackage.MORPHISM__MAPPINGS:
+				return ((InternalEList<?>)getMappings()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case MorphismsPackage.MORPHISM__DOMAIN:
+				if (resolve) return getDomain();
+				return basicGetDomain();
+			case MorphismsPackage.MORPHISM__CODOMAIN:
+				if (resolve) return getCodomain();
+				return basicGetCodomain();
+			case MorphismsPackage.MORPHISM__MAPPINGS:
+				return getMappings();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case MorphismsPackage.MORPHISM__DOMAIN:
+				setDomain((Graph)newValue);
+				return;
+			case MorphismsPackage.MORPHISM__CODOMAIN:
+				setCodomain((Graph)newValue);
+				return;
+			case MorphismsPackage.MORPHISM__MAPPINGS:
+				getMappings().clear();
+				getMappings().addAll((Collection<? extends Mapping>)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case MorphismsPackage.MORPHISM__DOMAIN:
+				setDomain((Graph)null);
+				return;
+			case MorphismsPackage.MORPHISM__CODOMAIN:
+				setCodomain((Graph)null);
+				return;
+			case MorphismsPackage.MORPHISM__MAPPINGS:
+				getMappings().clear();
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case MorphismsPackage.MORPHISM__DOMAIN:
+				return domain != null;
+			case MorphismsPackage.MORPHISM__CODOMAIN:
+				return codomain != null;
+			case MorphismsPackage.MORPHISM__MAPPINGS:
+				return mappings != null && !mappings.isEmpty();
+		}
+		return super.eIsSet(featureID);
+	}
+
+} //MorphismImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/MorphismsFactoryImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/MorphismsFactoryImpl.java
new file mode 100644
index 0000000..43f1c56
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/MorphismsFactoryImpl.java
@@ -0,0 +1,117 @@
+/**
+ */
+package morphisms.impl;
+
+import morphisms.*;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class MorphismsFactoryImpl extends EFactoryImpl implements MorphismsFactory {
+	/**
+	 * Creates the default factory implementation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static MorphismsFactory init() {
+		try {
+			MorphismsFactory theMorphismsFactory = (MorphismsFactory)EPackage.Registry.INSTANCE.getEFactory(MorphismsPackage.eNS_URI);
+			if (theMorphismsFactory != null) {
+				return theMorphismsFactory;
+			}
+		}
+		catch (Exception exception) {
+			EcorePlugin.INSTANCE.log(exception);
+		}
+		return new MorphismsFactoryImpl();
+	}
+
+	/**
+	 * Creates an instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public MorphismsFactoryImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public EObject create(EClass eClass) {
+		switch (eClass.getClassifierID()) {
+			case MorphismsPackage.MORPHISM: return createMorphism();
+			case MorphismsPackage.MAPPING: return createMapping();
+			case MorphismsPackage.PAIR: return createPair();
+			default:
+				throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Morphism createMorphism() {
+		MorphismImpl morphism = new MorphismImpl();
+		return morphism;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Mapping createMapping() {
+		MappingImpl mapping = new MappingImpl();
+		return mapping;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Pair createPair() {
+		PairImpl pair = new PairImpl();
+		return pair;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public MorphismsPackage getMorphismsPackage() {
+		return (MorphismsPackage)getEPackage();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @deprecated
+	 * @generated
+	 */
+	@Deprecated
+	public static MorphismsPackage getPackage() {
+		return MorphismsPackage.eINSTANCE;
+	}
+
+} //MorphismsFactoryImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/MorphismsPackageImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/MorphismsPackageImpl.java
new file mode 100644
index 0000000..6abfd2e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/MorphismsPackageImpl.java
@@ -0,0 +1,313 @@
+/**
+ */
+package morphisms.impl;
+
+import graph.GraphPackage;
+
+import morphisms.Mapping;
+import morphisms.Morphism;
+import morphisms.MorphismsFactory;
+import morphisms.MorphismsPackage;
+import morphisms.Pair;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class MorphismsPackageImpl extends EPackageImpl implements MorphismsPackage {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass morphismEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass mappingEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass pairEClass = null;
+
+	/**
+	 * Creates an instance of the model <b>Package</b>, registered with
+	 * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+	 * package URI value.
+	 * <p>Note: the correct way to create the package is via the static
+	 * factory method {@link #init init()}, which also performs
+	 * initialization of the package, or returns the registered package,
+	 * if one already exists.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.ecore.EPackage.Registry
+	 * @see morphisms.MorphismsPackage#eNS_URI
+	 * @see #init()
+	 * @generated
+	 */
+	private MorphismsPackageImpl() {
+		super(eNS_URI, MorphismsFactory.eINSTANCE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static boolean isInited = false;
+
+	/**
+	 * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+	 * 
+	 * <p>This method is used to initialize {@link MorphismsPackage#eINSTANCE} when that field is accessed.
+	 * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #eNS_URI
+	 * @see #createPackageContents()
+	 * @see #initializePackageContents()
+	 * @generated
+	 */
+	public static MorphismsPackage init() {
+		if (isInited) return (MorphismsPackage)EPackage.Registry.INSTANCE.getEPackage(MorphismsPackage.eNS_URI);
+
+		// Obtain or create and register package
+		MorphismsPackageImpl theMorphismsPackage = (MorphismsPackageImpl)(EPackage.Registry.INSTANCE.get(eNS_URI) instanceof MorphismsPackageImpl ? EPackage.Registry.INSTANCE.get(eNS_URI) : new MorphismsPackageImpl());
+
+		isInited = true;
+
+		// Initialize simple dependencies
+		GraphPackage.eINSTANCE.eClass();
+
+		// Create package meta-data objects
+		theMorphismsPackage.createPackageContents();
+
+		// Initialize created meta-data
+		theMorphismsPackage.initializePackageContents();
+
+		// Mark meta-data to indicate it can't be changed
+		theMorphismsPackage.freeze();
+
+  
+		// Update the registry and return the package
+		EPackage.Registry.INSTANCE.put(MorphismsPackage.eNS_URI, theMorphismsPackage);
+		return theMorphismsPackage;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getMorphism() {
+		return morphismEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getMorphism_Domain() {
+		return (EReference)morphismEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getMorphism_Codomain() {
+		return (EReference)morphismEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getMorphism_Mappings() {
+		return (EReference)morphismEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getMapping() {
+		return mappingEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getMapping_Origin() {
+		return (EReference)mappingEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getMapping_Image() {
+		return (EReference)mappingEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getPair() {
+		return pairEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getPair_A() {
+		return (EReference)pairEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getPair_B() {
+		return (EReference)pairEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public MorphismsFactory getMorphismsFactory() {
+		return (MorphismsFactory)getEFactoryInstance();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isCreated = false;
+
+	/**
+	 * Creates the meta-model objects for the package.  This method is
+	 * guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void createPackageContents() {
+		if (isCreated) return;
+		isCreated = true;
+
+		// Create classes and their features
+		morphismEClass = createEClass(MORPHISM);
+		createEReference(morphismEClass, MORPHISM__DOMAIN);
+		createEReference(morphismEClass, MORPHISM__CODOMAIN);
+		createEReference(morphismEClass, MORPHISM__MAPPINGS);
+
+		mappingEClass = createEClass(MAPPING);
+		createEReference(mappingEClass, MAPPING__ORIGIN);
+		createEReference(mappingEClass, MAPPING__IMAGE);
+
+		pairEClass = createEClass(PAIR);
+		createEReference(pairEClass, PAIR__A);
+		createEReference(pairEClass, PAIR__B);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isInitialized = false;
+
+	/**
+	 * Complete the initialization of the package and its meta-model.  This
+	 * method is guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void initializePackageContents() {
+		if (isInitialized) return;
+		isInitialized = true;
+
+		// Initialize package
+		setName(eNAME);
+		setNsPrefix(eNS_PREFIX);
+		setNsURI(eNS_URI);
+
+		// Obtain other dependent packages
+		GraphPackage theGraphPackage = (GraphPackage)EPackage.Registry.INSTANCE.getEPackage(GraphPackage.eNS_URI);
+
+		// Create type parameters
+
+		// Set bounds for type parameters
+
+		// Add supertypes to classes
+
+		// Initialize classes, features, and operations; add parameters
+		initEClass(morphismEClass, Morphism.class, "Morphism", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getMorphism_Domain(), theGraphPackage.getGraph(), null, "domain", null, 0, 1, Morphism.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getMorphism_Codomain(), theGraphPackage.getGraph(), null, "codomain", null, 0, 1, Morphism.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getMorphism_Mappings(), this.getMapping(), null, "mappings", null, 0, -1, Morphism.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(mappingEClass, Mapping.class, "Mapping", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getMapping_Origin(), theGraphPackage.getNode(), null, "origin", null, 1, 1, Mapping.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getMapping_Image(), theGraphPackage.getNode(), null, "image", null, 1, 1, Mapping.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(pairEClass, Pair.class, "Pair", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getPair_A(), this.getMorphism(), null, "a", null, 1, 1, Pair.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getPair_B(), this.getMorphism(), null, "b", null, 1, 1, Pair.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		// Create resource
+		createResource(eNS_URI);
+
+		// Create annotations
+		// http://www.eclipse.org/OCL/Import
+		createImportAnnotations();
+	}
+
+	/**
+	 * Initializes the annotations for <b>http://www.eclipse.org/OCL/Import</b>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createImportAnnotations() {
+		String source = "http://www.eclipse.org/OCL/Import";	
+		addAnnotation
+		  (this, 
+		   source, 
+		   new String[] {
+			 "graph", "graph.ecore#/"
+		   });
+	}
+
+} //MorphismsPackageImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/PairImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/PairImpl.java
new file mode 100644
index 0000000..3f36ac5
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/impl/PairImpl.java
@@ -0,0 +1,242 @@
+/**
+ */
+package morphisms.impl;
+
+import morphisms.Morphism;
+import morphisms.MorphismsPackage;
+import morphisms.Pair;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Pair</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link morphisms.impl.PairImpl#getA <em>A</em>}</li>
+ *   <li>{@link morphisms.impl.PairImpl#getB <em>B</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class PairImpl extends MinimalEObjectImpl.Container implements Pair {
+	/**
+	 * The cached value of the '{@link #getA() <em>A</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getA()
+	 * @generated
+	 * @ordered
+	 */
+	protected Morphism a;
+
+	/**
+	 * The cached value of the '{@link #getB() <em>B</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getB()
+	 * @generated
+	 * @ordered
+	 */
+	protected Morphism b;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected PairImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return MorphismsPackage.Literals.PAIR;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Morphism getA() {
+		return a;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetA(Morphism newA, NotificationChain msgs) {
+		Morphism oldA = a;
+		a = newA;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, MorphismsPackage.PAIR__A, oldA, newA);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setA(Morphism newA) {
+		if (newA != a) {
+			NotificationChain msgs = null;
+			if (a != null)
+				msgs = ((InternalEObject)a).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - MorphismsPackage.PAIR__A, null, msgs);
+			if (newA != null)
+				msgs = ((InternalEObject)newA).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - MorphismsPackage.PAIR__A, null, msgs);
+			msgs = basicSetA(newA, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, MorphismsPackage.PAIR__A, newA, newA));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Morphism getB() {
+		return b;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetB(Morphism newB, NotificationChain msgs) {
+		Morphism oldB = b;
+		b = newB;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, MorphismsPackage.PAIR__B, oldB, newB);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setB(Morphism newB) {
+		if (newB != b) {
+			NotificationChain msgs = null;
+			if (b != null)
+				msgs = ((InternalEObject)b).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - MorphismsPackage.PAIR__B, null, msgs);
+			if (newB != null)
+				msgs = ((InternalEObject)newB).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - MorphismsPackage.PAIR__B, null, msgs);
+			msgs = basicSetB(newB, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, MorphismsPackage.PAIR__B, newB, newB));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case MorphismsPackage.PAIR__A:
+				return basicSetA(null, msgs);
+			case MorphismsPackage.PAIR__B:
+				return basicSetB(null, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case MorphismsPackage.PAIR__A:
+				return getA();
+			case MorphismsPackage.PAIR__B:
+				return getB();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case MorphismsPackage.PAIR__A:
+				setA((Morphism)newValue);
+				return;
+			case MorphismsPackage.PAIR__B:
+				setB((Morphism)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case MorphismsPackage.PAIR__A:
+				setA((Morphism)null);
+				return;
+			case MorphismsPackage.PAIR__B:
+				setB((Morphism)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case MorphismsPackage.PAIR__A:
+				return a != null;
+			case MorphismsPackage.PAIR__B:
+				return b != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+} //PairImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/util/MorphismsAdapterFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/util/MorphismsAdapterFactory.java
new file mode 100644
index 0000000..e5c0eae
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/util/MorphismsAdapterFactory.java
@@ -0,0 +1,156 @@
+/**
+ */
+package morphisms.util;
+
+import morphisms.*;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.common.notify.impl.AdapterFactoryImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Adapter Factory</b> for the model.
+ * It provides an adapter <code>createXXX</code> method for each class of the model.
+ * <!-- end-user-doc -->
+ * @see morphisms.MorphismsPackage
+ * @generated
+ */
+public class MorphismsAdapterFactory extends AdapterFactoryImpl {
+	/**
+	 * The cached model package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static MorphismsPackage modelPackage;
+
+	/**
+	 * Creates an instance of the adapter factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public MorphismsAdapterFactory() {
+		if (modelPackage == null) {
+			modelPackage = MorphismsPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Returns whether this factory is applicable for the type of the object.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns <code>true</code> if the object is either the model's package or is an instance object of the model.
+	 * <!-- end-user-doc -->
+	 * @return whether this factory is applicable for the type of the object.
+	 * @generated
+	 */
+	@Override
+	public boolean isFactoryForType(Object object) {
+		if (object == modelPackage) {
+			return true;
+		}
+		if (object instanceof EObject) {
+			return ((EObject)object).eClass().getEPackage() == modelPackage;
+		}
+		return false;
+	}
+
+	/**
+	 * The switch that delegates to the <code>createXXX</code> methods.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected MorphismsSwitch<Adapter> modelSwitch =
+		new MorphismsSwitch<Adapter>() {
+			@Override
+			public Adapter caseMorphism(Morphism object) {
+				return createMorphismAdapter();
+			}
+			@Override
+			public Adapter caseMapping(Mapping object) {
+				return createMappingAdapter();
+			}
+			@Override
+			public Adapter casePair(Pair object) {
+				return createPairAdapter();
+			}
+			@Override
+			public Adapter defaultCase(EObject object) {
+				return createEObjectAdapter();
+			}
+		};
+
+	/**
+	 * Creates an adapter for the <code>target</code>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param target the object to adapt.
+	 * @return the adapter for the <code>target</code>.
+	 * @generated
+	 */
+	@Override
+	public Adapter createAdapter(Notifier target) {
+		return modelSwitch.doSwitch((EObject)target);
+	}
+
+
+	/**
+	 * Creates a new adapter for an object of class '{@link morphisms.Morphism <em>Morphism</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see morphisms.Morphism
+	 * @generated
+	 */
+	public Adapter createMorphismAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link morphisms.Mapping <em>Mapping</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see morphisms.Mapping
+	 * @generated
+	 */
+	public Adapter createMappingAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link morphisms.Pair <em>Pair</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see morphisms.Pair
+	 * @generated
+	 */
+	public Adapter createPairAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for the default case.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @generated
+	 */
+	public Adapter createEObjectAdapter() {
+		return null;
+	}
+
+} //MorphismsAdapterFactory
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/util/MorphismsSwitch.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/util/MorphismsSwitch.java
new file mode 100644
index 0000000..9c4bd29
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/morphisms/util/MorphismsSwitch.java
@@ -0,0 +1,152 @@
+/**
+ */
+package morphisms.util;
+
+import morphisms.*;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.util.Switch;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Switch</b> for the model's inheritance hierarchy.
+ * It supports the call {@link #doSwitch(EObject) doSwitch(object)}
+ * to invoke the <code>caseXXX</code> method for each class of the model,
+ * starting with the actual class of the object
+ * and proceeding up the inheritance hierarchy
+ * until a non-null result is returned,
+ * which is the result of the switch.
+ * <!-- end-user-doc -->
+ * @see morphisms.MorphismsPackage
+ * @generated
+ */
+public class MorphismsSwitch<T> extends Switch<T> {
+	/**
+	 * The cached model package
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static MorphismsPackage modelPackage;
+
+	/**
+	 * Creates an instance of the switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public MorphismsSwitch() {
+		if (modelPackage == null) {
+			modelPackage = MorphismsPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Checks whether this is a switch for the given package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param ePackage the package in question.
+	 * @return whether this is a switch for the given package.
+	 * @generated
+	 */
+	@Override
+	protected boolean isSwitchFor(EPackage ePackage) {
+		return ePackage == modelPackage;
+	}
+
+	/**
+	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the first non-null result returned by a <code>caseXXX</code> call.
+	 * @generated
+	 */
+	@Override
+	protected T doSwitch(int classifierID, EObject theEObject) {
+		switch (classifierID) {
+			case MorphismsPackage.MORPHISM: {
+				Morphism morphism = (Morphism)theEObject;
+				T result = caseMorphism(morphism);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case MorphismsPackage.MAPPING: {
+				Mapping mapping = (Mapping)theEObject;
+				T result = caseMapping(mapping);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case MorphismsPackage.PAIR: {
+				Pair pair = (Pair)theEObject;
+				T result = casePair(pair);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			default: return defaultCase(theEObject);
+		}
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Morphism</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Morphism</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseMorphism(Morphism object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Mapping</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Mapping</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseMapping(Mapping object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Pair</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Pair</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T casePair(Pair object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch, but this is the last case anyway.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject)
+	 * @generated
+	 */
+	@Override
+	public T defaultCase(EObject object) {
+		return null;
+	}
+
+} //MorphismsSwitch
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/EdgeMapping.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/EdgeMapping.java
new file mode 100644
index 0000000..3ac8e0b
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/EdgeMapping.java
@@ -0,0 +1,79 @@
+/**
+ */
+package nestedcondition;
+
+import graph.Edge;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Edge Mapping</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.EdgeMapping#getOrigin <em>Origin</em>}</li>
+ *   <li>{@link nestedcondition.EdgeMapping#getImage <em>Image</em>}</li>
+ * </ul>
+ *
+ * @see nestedcondition.NestedconditionPackage#getEdgeMapping()
+ * @model
+ * @generated
+ */
+public interface EdgeMapping extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Origin</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Origin</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Origin</em>' reference.
+	 * @see #setOrigin(Edge)
+	 * @see nestedcondition.NestedconditionPackage#getEdgeMapping_Origin()
+	 * @model required="true"
+	 * @generated
+	 */
+	Edge getOrigin();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.EdgeMapping#getOrigin <em>Origin</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Origin</em>' reference.
+	 * @see #getOrigin()
+	 * @generated
+	 */
+	void setOrigin(Edge value);
+
+	/**
+	 * Returns the value of the '<em><b>Image</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Image</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Image</em>' reference.
+	 * @see #setImage(Edge)
+	 * @see nestedcondition.NestedconditionPackage#getEdgeMapping_Image()
+	 * @model required="true"
+	 * @generated
+	 */
+	Edge getImage();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.EdgeMapping#getImage <em>Image</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Image</em>' reference.
+	 * @see #getImage()
+	 * @generated
+	 */
+	void setImage(Edge value);
+
+} // EdgeMapping
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/Formula.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/Formula.java
new file mode 100644
index 0000000..dae64b5
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/Formula.java
@@ -0,0 +1,73 @@
+/**
+ */
+package nestedcondition;
+
+import laxcondition.Operator;
+
+import org.eclipse.emf.common.util.EList;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Formula</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.Formula#getOperator <em>Operator</em>}</li>
+ *   <li>{@link nestedcondition.Formula#getArguments <em>Arguments</em>}</li>
+ * </ul>
+ *
+ * @see nestedcondition.NestedconditionPackage#getFormula()
+ * @model annotation="http://www.eclipse.org/emf/2002/Ecore constraints='ArgumentsDomainConsistency OneArgumentForNOT AtLeastTwoArgumentForANDOR TwoArgumentForIMPLEQUALXOR'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot ArgumentsDomainConsistency='self.arguments -> forAll(cond|cond.domain = self.domain)' OneArgumentForNOT='(self.operator = laxcondition::Operator::NOT) implies (self.arguments -> size() = 1)' AtLeastTwoArgumentForANDOR='((self.operator = laxcondition::Operator::AND) or (self.operator = laxcondition::Operator::OR)) implies (self.arguments -> size() > 1)' TwoArgumentForIMPLEQUALXOR='((self.operator = laxcondition::Operator::IMPLIES) or (self.operator = laxcondition::Operator::EQUIVALENT) or (self.operator = laxcondition::Operator::XOR)) implies (self.arguments -> size() = 2)'"
+ * @generated
+ */
+public interface Formula extends NestedCondition {
+	/**
+	 * Returns the value of the '<em><b>Operator</b></em>' attribute.
+	 * The literals are from the enumeration {@link laxcondition.Operator}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Operator</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Operator</em>' attribute.
+	 * @see laxcondition.Operator
+	 * @see #setOperator(Operator)
+	 * @see nestedcondition.NestedconditionPackage#getFormula_Operator()
+	 * @model
+	 * @generated
+	 */
+	Operator getOperator();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.Formula#getOperator <em>Operator</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Operator</em>' attribute.
+	 * @see laxcondition.Operator
+	 * @see #getOperator()
+	 * @generated
+	 */
+	void setOperator(Operator value);
+
+	/**
+	 * Returns the value of the '<em><b>Arguments</b></em>' containment reference list.
+	 * The list contents are of type {@link nestedcondition.NestedCondition}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Arguments</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Arguments</em>' containment reference list.
+	 * @see nestedcondition.NestedconditionPackage#getFormula_Arguments()
+	 * @model containment="true" required="true"
+	 * @generated
+	 */
+	EList<NestedCondition> getArguments();
+
+} // Formula
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/Morphism.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/Morphism.java
new file mode 100644
index 0000000..8349b1e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/Morphism.java
@@ -0,0 +1,116 @@
+/**
+ */
+package nestedcondition;
+
+import graph.Graph;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Morphism</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.Morphism#getNodeMappings <em>Node Mappings</em>}</li>
+ *   <li>{@link nestedcondition.Morphism#getFrom <em>From</em>}</li>
+ *   <li>{@link nestedcondition.Morphism#getTo <em>To</em>}</li>
+ *   <li>{@link nestedcondition.Morphism#getEdgeMappings <em>Edge Mappings</em>}</li>
+ * </ul>
+ *
+ * @see nestedcondition.NestedconditionPackage#getMorphism()
+ * @model annotation="http://www.eclipse.org/emf/2002/Ecore constraints='NodeMappingIsFromDomainToCoDomain EdgeMappingIsFromDomainToCoDomain EdgeMappingConsistency'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot NodeMappingIsFromDomainToCoDomain='self.nodeMappings -> forAll(m|self.from.nodes -> includes(m.origin) and self.to.nodes -> includes(m.image))' EdgeMappingIsFromDomainToCoDomain='self.edgeMappings -> forAll(m|self.from.edges -> includes(m.origin) and self.to.edges -> includes(m.image))' EdgeMappingConsistency='self.edgeMappings -> forAll(em|self.nodeMappings -> exists(nm|nm.origin = em.origin.source and nm.image = em.image.source) and self.nodeMappings -> exists(nm|nm.origin = em.origin.target and nm.image = em.image.target))'"
+ * @generated
+ */
+public interface Morphism extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Node Mappings</b></em>' containment reference list.
+	 * The list contents are of type {@link nestedcondition.NodeMapping}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Node Mappings</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Node Mappings</em>' containment reference list.
+	 * @see nestedcondition.NestedconditionPackage#getMorphism_NodeMappings()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<NodeMapping> getNodeMappings();
+
+	/**
+	 * Returns the value of the '<em><b>From</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>From</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>From</em>' reference.
+	 * @see #setFrom(Graph)
+	 * @see nestedcondition.NestedconditionPackage#getMorphism_From()
+	 * @model required="true"
+	 * @generated
+	 */
+	Graph getFrom();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.Morphism#getFrom <em>From</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>From</em>' reference.
+	 * @see #getFrom()
+	 * @generated
+	 */
+	void setFrom(Graph value);
+
+	/**
+	 * Returns the value of the '<em><b>To</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>To</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>To</em>' reference.
+	 * @see #setTo(Graph)
+	 * @see nestedcondition.NestedconditionPackage#getMorphism_To()
+	 * @model required="true"
+	 * @generated
+	 */
+	Graph getTo();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.Morphism#getTo <em>To</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>To</em>' reference.
+	 * @see #getTo()
+	 * @generated
+	 */
+	void setTo(Graph value);
+
+	/**
+	 * Returns the value of the '<em><b>Edge Mappings</b></em>' containment reference list.
+	 * The list contents are of type {@link nestedcondition.EdgeMapping}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Edge Mappings</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Edge Mappings</em>' containment reference list.
+	 * @see nestedcondition.NestedconditionPackage#getMorphism_EdgeMappings()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<EdgeMapping> getEdgeMappings();
+
+} // Morphism
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NestedCondition.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NestedCondition.java
new file mode 100644
index 0000000..62082c2
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NestedCondition.java
@@ -0,0 +1,71 @@
+/**
+ */
+package nestedcondition;
+
+import graph.Graph;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Nested Condition</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.NestedCondition#getVariables <em>Variables</em>}</li>
+ *   <li>{@link nestedcondition.NestedCondition#getDomain <em>Domain</em>}</li>
+ * </ul>
+ *
+ * @see nestedcondition.NestedconditionPackage#getNestedCondition()
+ * @model abstract="true"
+ * @generated
+ */
+public interface NestedCondition extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Variables</b></em>' containment reference list.
+	 * The list contents are of type {@link nestedcondition.Variable}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Variables</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Variables</em>' containment reference list.
+	 * @see nestedcondition.NestedconditionPackage#getNestedCondition_Variables()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<Variable> getVariables();
+
+	/**
+	 * Returns the value of the '<em><b>Domain</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Domain</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Domain</em>' reference.
+	 * @see #setDomain(Graph)
+	 * @see nestedcondition.NestedconditionPackage#getNestedCondition_Domain()
+	 * @model required="true"
+	 * @generated
+	 */
+	Graph getDomain();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.NestedCondition#getDomain <em>Domain</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Domain</em>' reference.
+	 * @see #getDomain()
+	 * @generated
+	 */
+	void setDomain(Graph value);
+
+} // NestedCondition
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NestedConstraint.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NestedConstraint.java
new file mode 100644
index 0000000..decdd14
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NestedConstraint.java
@@ -0,0 +1,135 @@
+/**
+ */
+package nestedcondition;
+
+import graph.Graph;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Nested Constraint</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.NestedConstraint#getName <em>Name</em>}</li>
+ *   <li>{@link nestedcondition.NestedConstraint#getTypeGraph <em>Type Graph</em>}</li>
+ *   <li>{@link nestedcondition.NestedConstraint#getCondition <em>Condition</em>}</li>
+ *   <li>{@link nestedcondition.NestedConstraint#getDomain <em>Domain</em>}</li>
+ * </ul>
+ *
+ * @see nestedcondition.NestedconditionPackage#getNestedConstraint()
+ * @model annotation="http://www.eclipse.org/emf/2002/Ecore constraints='ConstraintDomainIsEmpty RootConditionDomainIsConatraintDomain TypeGraphConsistency HostGraphConsistency'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot ConstraintDomainIsEmpty='self.domain.nodes -> isEmpty() and self.domain.edges -> isEmpty()' RootConditionDomainIsConatraintDomain='self.condition.domain = self.domain' TypeGraphConsistency='graph::Graph.allInstances() -> forAll(g|g.typegraph = self.typeGraph)' HostGraphConsistency='graph::Graph.allInstances() -> forAll(g|g.edges -> forAll(e|g.nodes -> includes(e.source) and g.nodes -> includes(e.target)))'"
+ * @generated
+ */
+public interface NestedConstraint extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see nestedcondition.NestedconditionPackage#getNestedConstraint_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.NestedConstraint#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+	/**
+	 * Returns the value of the '<em><b>Type Graph</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Type Graph</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Type Graph</em>' reference.
+	 * @see #setTypeGraph(EPackage)
+	 * @see nestedcondition.NestedconditionPackage#getNestedConstraint_TypeGraph()
+	 * @model required="true"
+	 * @generated
+	 */
+	EPackage getTypeGraph();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.NestedConstraint#getTypeGraph <em>Type Graph</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Type Graph</em>' reference.
+	 * @see #getTypeGraph()
+	 * @generated
+	 */
+	void setTypeGraph(EPackage value);
+
+	/**
+	 * Returns the value of the '<em><b>Condition</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Condition</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Condition</em>' containment reference.
+	 * @see #setCondition(NestedCondition)
+	 * @see nestedcondition.NestedconditionPackage#getNestedConstraint_Condition()
+	 * @model containment="true" required="true"
+	 * @generated
+	 */
+	NestedCondition getCondition();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.NestedConstraint#getCondition <em>Condition</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Condition</em>' containment reference.
+	 * @see #getCondition()
+	 * @generated
+	 */
+	void setCondition(NestedCondition value);
+
+	/**
+	 * Returns the value of the '<em><b>Domain</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Domain</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Domain</em>' containment reference.
+	 * @see #setDomain(Graph)
+	 * @see nestedcondition.NestedconditionPackage#getNestedConstraint_Domain()
+	 * @model containment="true" required="true"
+	 * @generated
+	 */
+	Graph getDomain();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.NestedConstraint#getDomain <em>Domain</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Domain</em>' containment reference.
+	 * @see #getDomain()
+	 * @generated
+	 */
+	void setDomain(Graph value);
+
+} // NestedConstraint
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NestedconditionFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NestedconditionFactory.java
new file mode 100644
index 0000000..17e40be
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NestedconditionFactory.java
@@ -0,0 +1,105 @@
+/**
+ */
+package nestedcondition;
+
+import org.eclipse.emf.ecore.EFactory;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Factory</b> for the model.
+ * It provides a create method for each non-abstract class of the model.
+ * <!-- end-user-doc -->
+ * @see nestedcondition.NestedconditionPackage
+ * @generated
+ */
+public interface NestedconditionFactory extends EFactory {
+	/**
+	 * The singleton instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	NestedconditionFactory eINSTANCE = nestedcondition.impl.NestedconditionFactoryImpl.init();
+
+	/**
+	 * Returns a new object of class '<em>Nested Constraint</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Nested Constraint</em>'.
+	 * @generated
+	 */
+	NestedConstraint createNestedConstraint();
+
+	/**
+	 * Returns a new object of class '<em>Variable</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Variable</em>'.
+	 * @generated
+	 */
+	Variable createVariable();
+
+	/**
+	 * Returns a new object of class '<em>Quantified Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Quantified Condition</em>'.
+	 * @generated
+	 */
+	QuantifiedCondition createQuantifiedCondition();
+
+	/**
+	 * Returns a new object of class '<em>True</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>True</em>'.
+	 * @generated
+	 */
+	True createTrue();
+
+	/**
+	 * Returns a new object of class '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Formula</em>'.
+	 * @generated
+	 */
+	Formula createFormula();
+
+	/**
+	 * Returns a new object of class '<em>Morphism</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Morphism</em>'.
+	 * @generated
+	 */
+	Morphism createMorphism();
+
+	/**
+	 * Returns a new object of class '<em>Node Mapping</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Node Mapping</em>'.
+	 * @generated
+	 */
+	NodeMapping createNodeMapping();
+
+	/**
+	 * Returns a new object of class '<em>Edge Mapping</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Edge Mapping</em>'.
+	 * @generated
+	 */
+	EdgeMapping createEdgeMapping();
+
+	/**
+	 * Returns the package supported by this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the package supported by this factory.
+	 * @generated
+	 */
+	NestedconditionPackage getNestedconditionPackage();
+
+} //NestedconditionFactory
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NestedconditionPackage.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NestedconditionPackage.java
new file mode 100644
index 0000000..dd0a790
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NestedconditionPackage.java
@@ -0,0 +1,1161 @@
+/**
+ */
+package nestedcondition;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Package</b> for the model.
+ * It contains accessors for the meta objects to represent
+ * <ul>
+ *   <li>each class,</li>
+ *   <li>each feature of each class,</li>
+ *   <li>each operation of each class,</li>
+ *   <li>each enum,</li>
+ *   <li>and each data type</li>
+ * </ul>
+ * <!-- end-user-doc -->
+ * @see nestedcondition.NestedconditionFactory
+ * @model kind="package"
+ *        annotation="http://www.eclipse.org/OCL/Import ecore='http://www.eclipse.org/emf/2002/Ecore#/' graph='graph.ecore#/' laxcondition='laxcondition.ecore#/'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore invocationDelegates='http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot' settingDelegates='http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot' validationDelegates='http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot'"
+ * @generated
+ */
+public interface NestedconditionPackage extends EPackage {
+	/**
+	 * The package name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNAME = "nestedcondition";
+
+	/**
+	 * The package namespace URI.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_URI = "http://www.example.org/nestedcondition";
+
+	/**
+	 * The package namespace name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_PREFIX = "nestedcondition";
+
+	/**
+	 * The singleton instance of the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	NestedconditionPackage eINSTANCE = nestedcondition.impl.NestedconditionPackageImpl.init();
+
+	/**
+	 * The meta object id for the '{@link nestedcondition.impl.NestedConstraintImpl <em>Nested Constraint</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see nestedcondition.impl.NestedConstraintImpl
+	 * @see nestedcondition.impl.NestedconditionPackageImpl#getNestedConstraint()
+	 * @generated
+	 */
+	int NESTED_CONSTRAINT = 0;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONSTRAINT__NAME = 0;
+
+	/**
+	 * The feature id for the '<em><b>Type Graph</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONSTRAINT__TYPE_GRAPH = 1;
+
+	/**
+	 * The feature id for the '<em><b>Condition</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONSTRAINT__CONDITION = 2;
+
+	/**
+	 * The feature id for the '<em><b>Domain</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONSTRAINT__DOMAIN = 3;
+
+	/**
+	 * The number of structural features of the '<em>Nested Constraint</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONSTRAINT_FEATURE_COUNT = 4;
+
+	/**
+	 * The number of operations of the '<em>Nested Constraint</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONSTRAINT_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link nestedcondition.impl.NestedConditionImpl <em>Nested Condition</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see nestedcondition.impl.NestedConditionImpl
+	 * @see nestedcondition.impl.NestedconditionPackageImpl#getNestedCondition()
+	 * @generated
+	 */
+	int NESTED_CONDITION = 1;
+
+	/**
+	 * The feature id for the '<em><b>Variables</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONDITION__VARIABLES = 0;
+
+	/**
+	 * The feature id for the '<em><b>Domain</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONDITION__DOMAIN = 1;
+
+	/**
+	 * The number of structural features of the '<em>Nested Condition</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONDITION_FEATURE_COUNT = 2;
+
+	/**
+	 * The number of operations of the '<em>Nested Condition</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONDITION_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link nestedcondition.impl.VariableImpl <em>Variable</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see nestedcondition.impl.VariableImpl
+	 * @see nestedcondition.impl.NestedconditionPackageImpl#getVariable()
+	 * @generated
+	 */
+	int VARIABLE = 2;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int VARIABLE__NAME = 0;
+
+	/**
+	 * The number of structural features of the '<em>Variable</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int VARIABLE_FEATURE_COUNT = 1;
+
+	/**
+	 * The number of operations of the '<em>Variable</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int VARIABLE_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link nestedcondition.impl.QuantifiedConditionImpl <em>Quantified Condition</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see nestedcondition.impl.QuantifiedConditionImpl
+	 * @see nestedcondition.impl.NestedconditionPackageImpl#getQuantifiedCondition()
+	 * @generated
+	 */
+	int QUANTIFIED_CONDITION = 3;
+
+	/**
+	 * The feature id for the '<em><b>Variables</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_CONDITION__VARIABLES = NESTED_CONDITION__VARIABLES;
+
+	/**
+	 * The feature id for the '<em><b>Domain</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_CONDITION__DOMAIN = NESTED_CONDITION__DOMAIN;
+
+	/**
+	 * The feature id for the '<em><b>Quantifier</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_CONDITION__QUANTIFIER = NESTED_CONDITION_FEATURE_COUNT + 0;
+
+	/**
+	 * The feature id for the '<em><b>Condition</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_CONDITION__CONDITION = NESTED_CONDITION_FEATURE_COUNT + 1;
+
+	/**
+	 * The feature id for the '<em><b>Morphism</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_CONDITION__MORPHISM = NESTED_CONDITION_FEATURE_COUNT + 2;
+
+	/**
+	 * The feature id for the '<em><b>Codomain</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_CONDITION__CODOMAIN = NESTED_CONDITION_FEATURE_COUNT + 3;
+
+	/**
+	 * The number of structural features of the '<em>Quantified Condition</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_CONDITION_FEATURE_COUNT = NESTED_CONDITION_FEATURE_COUNT + 4;
+
+	/**
+	 * The number of operations of the '<em>Quantified Condition</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int QUANTIFIED_CONDITION_OPERATION_COUNT = NESTED_CONDITION_OPERATION_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link nestedcondition.impl.TrueImpl <em>True</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see nestedcondition.impl.TrueImpl
+	 * @see nestedcondition.impl.NestedconditionPackageImpl#getTrue()
+	 * @generated
+	 */
+	int TRUE = 4;
+
+	/**
+	 * The feature id for the '<em><b>Variables</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int TRUE__VARIABLES = NESTED_CONDITION__VARIABLES;
+
+	/**
+	 * The feature id for the '<em><b>Domain</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int TRUE__DOMAIN = NESTED_CONDITION__DOMAIN;
+
+	/**
+	 * The number of structural features of the '<em>True</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int TRUE_FEATURE_COUNT = NESTED_CONDITION_FEATURE_COUNT + 0;
+
+	/**
+	 * The number of operations of the '<em>True</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int TRUE_OPERATION_COUNT = NESTED_CONDITION_OPERATION_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link nestedcondition.impl.FormulaImpl <em>Formula</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see nestedcondition.impl.FormulaImpl
+	 * @see nestedcondition.impl.NestedconditionPackageImpl#getFormula()
+	 * @generated
+	 */
+	int FORMULA = 5;
+
+	/**
+	 * The feature id for the '<em><b>Variables</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int FORMULA__VARIABLES = NESTED_CONDITION__VARIABLES;
+
+	/**
+	 * The feature id for the '<em><b>Domain</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int FORMULA__DOMAIN = NESTED_CONDITION__DOMAIN;
+
+	/**
+	 * The feature id for the '<em><b>Operator</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int FORMULA__OPERATOR = NESTED_CONDITION_FEATURE_COUNT + 0;
+
+	/**
+	 * The feature id for the '<em><b>Arguments</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int FORMULA__ARGUMENTS = NESTED_CONDITION_FEATURE_COUNT + 1;
+
+	/**
+	 * The number of structural features of the '<em>Formula</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int FORMULA_FEATURE_COUNT = NESTED_CONDITION_FEATURE_COUNT + 2;
+
+	/**
+	 * The number of operations of the '<em>Formula</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int FORMULA_OPERATION_COUNT = NESTED_CONDITION_OPERATION_COUNT + 0;
+
+	/**
+	 * The meta object id for the '{@link nestedcondition.impl.MorphismImpl <em>Morphism</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see nestedcondition.impl.MorphismImpl
+	 * @see nestedcondition.impl.NestedconditionPackageImpl#getMorphism()
+	 * @generated
+	 */
+	int MORPHISM = 6;
+
+	/**
+	 * The feature id for the '<em><b>Node Mappings</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MORPHISM__NODE_MAPPINGS = 0;
+
+	/**
+	 * The feature id for the '<em><b>From</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MORPHISM__FROM = 1;
+
+	/**
+	 * The feature id for the '<em><b>To</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MORPHISM__TO = 2;
+
+	/**
+	 * The feature id for the '<em><b>Edge Mappings</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MORPHISM__EDGE_MAPPINGS = 3;
+
+	/**
+	 * The number of structural features of the '<em>Morphism</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MORPHISM_FEATURE_COUNT = 4;
+
+	/**
+	 * The number of operations of the '<em>Morphism</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int MORPHISM_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link nestedcondition.impl.NodeMappingImpl <em>Node Mapping</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see nestedcondition.impl.NodeMappingImpl
+	 * @see nestedcondition.impl.NestedconditionPackageImpl#getNodeMapping()
+	 * @generated
+	 */
+	int NODE_MAPPING = 7;
+
+	/**
+	 * The feature id for the '<em><b>Origin</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NODE_MAPPING__ORIGIN = 0;
+
+	/**
+	 * The feature id for the '<em><b>Image</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NODE_MAPPING__IMAGE = 1;
+
+	/**
+	 * The number of structural features of the '<em>Node Mapping</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NODE_MAPPING_FEATURE_COUNT = 2;
+
+	/**
+	 * The number of operations of the '<em>Node Mapping</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NODE_MAPPING_OPERATION_COUNT = 0;
+
+	/**
+	 * The meta object id for the '{@link nestedcondition.impl.EdgeMappingImpl <em>Edge Mapping</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see nestedcondition.impl.EdgeMappingImpl
+	 * @see nestedcondition.impl.NestedconditionPackageImpl#getEdgeMapping()
+	 * @generated
+	 */
+	int EDGE_MAPPING = 8;
+
+	/**
+	 * The feature id for the '<em><b>Origin</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int EDGE_MAPPING__ORIGIN = 0;
+
+	/**
+	 * The feature id for the '<em><b>Image</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int EDGE_MAPPING__IMAGE = 1;
+
+	/**
+	 * The number of structural features of the '<em>Edge Mapping</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int EDGE_MAPPING_FEATURE_COUNT = 2;
+
+	/**
+	 * The number of operations of the '<em>Edge Mapping</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int EDGE_MAPPING_OPERATION_COUNT = 0;
+
+
+	/**
+	 * Returns the meta object for class '{@link nestedcondition.NestedConstraint <em>Nested Constraint</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Nested Constraint</em>'.
+	 * @see nestedcondition.NestedConstraint
+	 * @generated
+	 */
+	EClass getNestedConstraint();
+
+	/**
+	 * Returns the meta object for the attribute '{@link nestedcondition.NestedConstraint#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see nestedcondition.NestedConstraint#getName()
+	 * @see #getNestedConstraint()
+	 * @generated
+	 */
+	EAttribute getNestedConstraint_Name();
+
+	/**
+	 * Returns the meta object for the reference '{@link nestedcondition.NestedConstraint#getTypeGraph <em>Type Graph</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Type Graph</em>'.
+	 * @see nestedcondition.NestedConstraint#getTypeGraph()
+	 * @see #getNestedConstraint()
+	 * @generated
+	 */
+	EReference getNestedConstraint_TypeGraph();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link nestedcondition.NestedConstraint#getCondition <em>Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>Condition</em>'.
+	 * @see nestedcondition.NestedConstraint#getCondition()
+	 * @see #getNestedConstraint()
+	 * @generated
+	 */
+	EReference getNestedConstraint_Condition();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link nestedcondition.NestedConstraint#getDomain <em>Domain</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>Domain</em>'.
+	 * @see nestedcondition.NestedConstraint#getDomain()
+	 * @see #getNestedConstraint()
+	 * @generated
+	 */
+	EReference getNestedConstraint_Domain();
+
+	/**
+	 * Returns the meta object for class '{@link nestedcondition.NestedCondition <em>Nested Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Nested Condition</em>'.
+	 * @see nestedcondition.NestedCondition
+	 * @generated
+	 */
+	EClass getNestedCondition();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link nestedcondition.NestedCondition#getVariables <em>Variables</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Variables</em>'.
+	 * @see nestedcondition.NestedCondition#getVariables()
+	 * @see #getNestedCondition()
+	 * @generated
+	 */
+	EReference getNestedCondition_Variables();
+
+	/**
+	 * Returns the meta object for the reference '{@link nestedcondition.NestedCondition#getDomain <em>Domain</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Domain</em>'.
+	 * @see nestedcondition.NestedCondition#getDomain()
+	 * @see #getNestedCondition()
+	 * @generated
+	 */
+	EReference getNestedCondition_Domain();
+
+	/**
+	 * Returns the meta object for class '{@link nestedcondition.Variable <em>Variable</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Variable</em>'.
+	 * @see nestedcondition.Variable
+	 * @generated
+	 */
+	EClass getVariable();
+
+	/**
+	 * Returns the meta object for the attribute '{@link nestedcondition.Variable#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see nestedcondition.Variable#getName()
+	 * @see #getVariable()
+	 * @generated
+	 */
+	EAttribute getVariable_Name();
+
+	/**
+	 * Returns the meta object for class '{@link nestedcondition.QuantifiedCondition <em>Quantified Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Quantified Condition</em>'.
+	 * @see nestedcondition.QuantifiedCondition
+	 * @generated
+	 */
+	EClass getQuantifiedCondition();
+
+	/**
+	 * Returns the meta object for the attribute '{@link nestedcondition.QuantifiedCondition#getQuantifier <em>Quantifier</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Quantifier</em>'.
+	 * @see nestedcondition.QuantifiedCondition#getQuantifier()
+	 * @see #getQuantifiedCondition()
+	 * @generated
+	 */
+	EAttribute getQuantifiedCondition_Quantifier();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link nestedcondition.QuantifiedCondition#getCondition <em>Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>Condition</em>'.
+	 * @see nestedcondition.QuantifiedCondition#getCondition()
+	 * @see #getQuantifiedCondition()
+	 * @generated
+	 */
+	EReference getQuantifiedCondition_Condition();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link nestedcondition.QuantifiedCondition#getMorphism <em>Morphism</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>Morphism</em>'.
+	 * @see nestedcondition.QuantifiedCondition#getMorphism()
+	 * @see #getQuantifiedCondition()
+	 * @generated
+	 */
+	EReference getQuantifiedCondition_Morphism();
+
+	/**
+	 * Returns the meta object for the containment reference '{@link nestedcondition.QuantifiedCondition#getCodomain <em>Codomain</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference '<em>Codomain</em>'.
+	 * @see nestedcondition.QuantifiedCondition#getCodomain()
+	 * @see #getQuantifiedCondition()
+	 * @generated
+	 */
+	EReference getQuantifiedCondition_Codomain();
+
+	/**
+	 * Returns the meta object for class '{@link nestedcondition.True <em>True</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>True</em>'.
+	 * @see nestedcondition.True
+	 * @generated
+	 */
+	EClass getTrue();
+
+	/**
+	 * Returns the meta object for class '{@link nestedcondition.Formula <em>Formula</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Formula</em>'.
+	 * @see nestedcondition.Formula
+	 * @generated
+	 */
+	EClass getFormula();
+
+	/**
+	 * Returns the meta object for the attribute '{@link nestedcondition.Formula#getOperator <em>Operator</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Operator</em>'.
+	 * @see nestedcondition.Formula#getOperator()
+	 * @see #getFormula()
+	 * @generated
+	 */
+	EAttribute getFormula_Operator();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link nestedcondition.Formula#getArguments <em>Arguments</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Arguments</em>'.
+	 * @see nestedcondition.Formula#getArguments()
+	 * @see #getFormula()
+	 * @generated
+	 */
+	EReference getFormula_Arguments();
+
+	/**
+	 * Returns the meta object for class '{@link nestedcondition.Morphism <em>Morphism</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Morphism</em>'.
+	 * @see nestedcondition.Morphism
+	 * @generated
+	 */
+	EClass getMorphism();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link nestedcondition.Morphism#getNodeMappings <em>Node Mappings</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Node Mappings</em>'.
+	 * @see nestedcondition.Morphism#getNodeMappings()
+	 * @see #getMorphism()
+	 * @generated
+	 */
+	EReference getMorphism_NodeMappings();
+
+	/**
+	 * Returns the meta object for the reference '{@link nestedcondition.Morphism#getFrom <em>From</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>From</em>'.
+	 * @see nestedcondition.Morphism#getFrom()
+	 * @see #getMorphism()
+	 * @generated
+	 */
+	EReference getMorphism_From();
+
+	/**
+	 * Returns the meta object for the reference '{@link nestedcondition.Morphism#getTo <em>To</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>To</em>'.
+	 * @see nestedcondition.Morphism#getTo()
+	 * @see #getMorphism()
+	 * @generated
+	 */
+	EReference getMorphism_To();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link nestedcondition.Morphism#getEdgeMappings <em>Edge Mappings</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Edge Mappings</em>'.
+	 * @see nestedcondition.Morphism#getEdgeMappings()
+	 * @see #getMorphism()
+	 * @generated
+	 */
+	EReference getMorphism_EdgeMappings();
+
+	/**
+	 * Returns the meta object for class '{@link nestedcondition.NodeMapping <em>Node Mapping</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Node Mapping</em>'.
+	 * @see nestedcondition.NodeMapping
+	 * @generated
+	 */
+	EClass getNodeMapping();
+
+	/**
+	 * Returns the meta object for the reference '{@link nestedcondition.NodeMapping#getOrigin <em>Origin</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Origin</em>'.
+	 * @see nestedcondition.NodeMapping#getOrigin()
+	 * @see #getNodeMapping()
+	 * @generated
+	 */
+	EReference getNodeMapping_Origin();
+
+	/**
+	 * Returns the meta object for the reference '{@link nestedcondition.NodeMapping#getImage <em>Image</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Image</em>'.
+	 * @see nestedcondition.NodeMapping#getImage()
+	 * @see #getNodeMapping()
+	 * @generated
+	 */
+	EReference getNodeMapping_Image();
+
+	/**
+	 * Returns the meta object for class '{@link nestedcondition.EdgeMapping <em>Edge Mapping</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Edge Mapping</em>'.
+	 * @see nestedcondition.EdgeMapping
+	 * @generated
+	 */
+	EClass getEdgeMapping();
+
+	/**
+	 * Returns the meta object for the reference '{@link nestedcondition.EdgeMapping#getOrigin <em>Origin</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Origin</em>'.
+	 * @see nestedcondition.EdgeMapping#getOrigin()
+	 * @see #getEdgeMapping()
+	 * @generated
+	 */
+	EReference getEdgeMapping_Origin();
+
+	/**
+	 * Returns the meta object for the reference '{@link nestedcondition.EdgeMapping#getImage <em>Image</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the reference '<em>Image</em>'.
+	 * @see nestedcondition.EdgeMapping#getImage()
+	 * @see #getEdgeMapping()
+	 * @generated
+	 */
+	EReference getEdgeMapping_Image();
+
+	/**
+	 * Returns the factory that creates the instances of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the factory that creates the instances of the model.
+	 * @generated
+	 */
+	NestedconditionFactory getNestedconditionFactory();
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * Defines literals for the meta objects that represent
+	 * <ul>
+	 *   <li>each class,</li>
+	 *   <li>each feature of each class,</li>
+	 *   <li>each operation of each class,</li>
+	 *   <li>each enum,</li>
+	 *   <li>and each data type</li>
+	 * </ul>
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	interface Literals {
+		/**
+		 * The meta object literal for the '{@link nestedcondition.impl.NestedConstraintImpl <em>Nested Constraint</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see nestedcondition.impl.NestedConstraintImpl
+		 * @see nestedcondition.impl.NestedconditionPackageImpl#getNestedConstraint()
+		 * @generated
+		 */
+		EClass NESTED_CONSTRAINT = eINSTANCE.getNestedConstraint();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute NESTED_CONSTRAINT__NAME = eINSTANCE.getNestedConstraint_Name();
+
+		/**
+		 * The meta object literal for the '<em><b>Type Graph</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference NESTED_CONSTRAINT__TYPE_GRAPH = eINSTANCE.getNestedConstraint_TypeGraph();
+
+		/**
+		 * The meta object literal for the '<em><b>Condition</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference NESTED_CONSTRAINT__CONDITION = eINSTANCE.getNestedConstraint_Condition();
+
+		/**
+		 * The meta object literal for the '<em><b>Domain</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference NESTED_CONSTRAINT__DOMAIN = eINSTANCE.getNestedConstraint_Domain();
+
+		/**
+		 * The meta object literal for the '{@link nestedcondition.impl.NestedConditionImpl <em>Nested Condition</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see nestedcondition.impl.NestedConditionImpl
+		 * @see nestedcondition.impl.NestedconditionPackageImpl#getNestedCondition()
+		 * @generated
+		 */
+		EClass NESTED_CONDITION = eINSTANCE.getNestedCondition();
+
+		/**
+		 * The meta object literal for the '<em><b>Variables</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference NESTED_CONDITION__VARIABLES = eINSTANCE.getNestedCondition_Variables();
+
+		/**
+		 * The meta object literal for the '<em><b>Domain</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference NESTED_CONDITION__DOMAIN = eINSTANCE.getNestedCondition_Domain();
+
+		/**
+		 * The meta object literal for the '{@link nestedcondition.impl.VariableImpl <em>Variable</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see nestedcondition.impl.VariableImpl
+		 * @see nestedcondition.impl.NestedconditionPackageImpl#getVariable()
+		 * @generated
+		 */
+		EClass VARIABLE = eINSTANCE.getVariable();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute VARIABLE__NAME = eINSTANCE.getVariable_Name();
+
+		/**
+		 * The meta object literal for the '{@link nestedcondition.impl.QuantifiedConditionImpl <em>Quantified Condition</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see nestedcondition.impl.QuantifiedConditionImpl
+		 * @see nestedcondition.impl.NestedconditionPackageImpl#getQuantifiedCondition()
+		 * @generated
+		 */
+		EClass QUANTIFIED_CONDITION = eINSTANCE.getQuantifiedCondition();
+
+		/**
+		 * The meta object literal for the '<em><b>Quantifier</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute QUANTIFIED_CONDITION__QUANTIFIER = eINSTANCE.getQuantifiedCondition_Quantifier();
+
+		/**
+		 * The meta object literal for the '<em><b>Condition</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference QUANTIFIED_CONDITION__CONDITION = eINSTANCE.getQuantifiedCondition_Condition();
+
+		/**
+		 * The meta object literal for the '<em><b>Morphism</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference QUANTIFIED_CONDITION__MORPHISM = eINSTANCE.getQuantifiedCondition_Morphism();
+
+		/**
+		 * The meta object literal for the '<em><b>Codomain</b></em>' containment reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference QUANTIFIED_CONDITION__CODOMAIN = eINSTANCE.getQuantifiedCondition_Codomain();
+
+		/**
+		 * The meta object literal for the '{@link nestedcondition.impl.TrueImpl <em>True</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see nestedcondition.impl.TrueImpl
+		 * @see nestedcondition.impl.NestedconditionPackageImpl#getTrue()
+		 * @generated
+		 */
+		EClass TRUE = eINSTANCE.getTrue();
+
+		/**
+		 * The meta object literal for the '{@link nestedcondition.impl.FormulaImpl <em>Formula</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see nestedcondition.impl.FormulaImpl
+		 * @see nestedcondition.impl.NestedconditionPackageImpl#getFormula()
+		 * @generated
+		 */
+		EClass FORMULA = eINSTANCE.getFormula();
+
+		/**
+		 * The meta object literal for the '<em><b>Operator</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute FORMULA__OPERATOR = eINSTANCE.getFormula_Operator();
+
+		/**
+		 * The meta object literal for the '<em><b>Arguments</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference FORMULA__ARGUMENTS = eINSTANCE.getFormula_Arguments();
+
+		/**
+		 * The meta object literal for the '{@link nestedcondition.impl.MorphismImpl <em>Morphism</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see nestedcondition.impl.MorphismImpl
+		 * @see nestedcondition.impl.NestedconditionPackageImpl#getMorphism()
+		 * @generated
+		 */
+		EClass MORPHISM = eINSTANCE.getMorphism();
+
+		/**
+		 * The meta object literal for the '<em><b>Node Mappings</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference MORPHISM__NODE_MAPPINGS = eINSTANCE.getMorphism_NodeMappings();
+
+		/**
+		 * The meta object literal for the '<em><b>From</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference MORPHISM__FROM = eINSTANCE.getMorphism_From();
+
+		/**
+		 * The meta object literal for the '<em><b>To</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference MORPHISM__TO = eINSTANCE.getMorphism_To();
+
+		/**
+		 * The meta object literal for the '<em><b>Edge Mappings</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference MORPHISM__EDGE_MAPPINGS = eINSTANCE.getMorphism_EdgeMappings();
+
+		/**
+		 * The meta object literal for the '{@link nestedcondition.impl.NodeMappingImpl <em>Node Mapping</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see nestedcondition.impl.NodeMappingImpl
+		 * @see nestedcondition.impl.NestedconditionPackageImpl#getNodeMapping()
+		 * @generated
+		 */
+		EClass NODE_MAPPING = eINSTANCE.getNodeMapping();
+
+		/**
+		 * The meta object literal for the '<em><b>Origin</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference NODE_MAPPING__ORIGIN = eINSTANCE.getNodeMapping_Origin();
+
+		/**
+		 * The meta object literal for the '<em><b>Image</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference NODE_MAPPING__IMAGE = eINSTANCE.getNodeMapping_Image();
+
+		/**
+		 * The meta object literal for the '{@link nestedcondition.impl.EdgeMappingImpl <em>Edge Mapping</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see nestedcondition.impl.EdgeMappingImpl
+		 * @see nestedcondition.impl.NestedconditionPackageImpl#getEdgeMapping()
+		 * @generated
+		 */
+		EClass EDGE_MAPPING = eINSTANCE.getEdgeMapping();
+
+		/**
+		 * The meta object literal for the '<em><b>Origin</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference EDGE_MAPPING__ORIGIN = eINSTANCE.getEdgeMapping_Origin();
+
+		/**
+		 * The meta object literal for the '<em><b>Image</b></em>' reference feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference EDGE_MAPPING__IMAGE = eINSTANCE.getEdgeMapping_Image();
+
+	}
+
+} //NestedconditionPackage
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NodeMapping.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NodeMapping.java
new file mode 100644
index 0000000..8b97ff0
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/NodeMapping.java
@@ -0,0 +1,79 @@
+/**
+ */
+package nestedcondition;
+
+import graph.Node;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Node Mapping</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.NodeMapping#getOrigin <em>Origin</em>}</li>
+ *   <li>{@link nestedcondition.NodeMapping#getImage <em>Image</em>}</li>
+ * </ul>
+ *
+ * @see nestedcondition.NestedconditionPackage#getNodeMapping()
+ * @model
+ * @generated
+ */
+public interface NodeMapping extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Origin</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Origin</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Origin</em>' reference.
+	 * @see #setOrigin(Node)
+	 * @see nestedcondition.NestedconditionPackage#getNodeMapping_Origin()
+	 * @model required="true"
+	 * @generated
+	 */
+	Node getOrigin();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.NodeMapping#getOrigin <em>Origin</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Origin</em>' reference.
+	 * @see #getOrigin()
+	 * @generated
+	 */
+	void setOrigin(Node value);
+
+	/**
+	 * Returns the value of the '<em><b>Image</b></em>' reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Image</em>' reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Image</em>' reference.
+	 * @see #setImage(Node)
+	 * @see nestedcondition.NestedconditionPackage#getNodeMapping_Image()
+	 * @model required="true"
+	 * @generated
+	 */
+	Node getImage();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.NodeMapping#getImage <em>Image</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Image</em>' reference.
+	 * @see #getImage()
+	 * @generated
+	 */
+	void setImage(Node value);
+
+} // NodeMapping
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/QuantifiedCondition.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/QuantifiedCondition.java
new file mode 100644
index 0000000..e0c5752
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/QuantifiedCondition.java
@@ -0,0 +1,137 @@
+/**
+ */
+package nestedcondition;
+
+import graph.Graph;
+
+import laxcondition.Quantifier;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Quantified Condition</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.QuantifiedCondition#getQuantifier <em>Quantifier</em>}</li>
+ *   <li>{@link nestedcondition.QuantifiedCondition#getCondition <em>Condition</em>}</li>
+ *   <li>{@link nestedcondition.QuantifiedCondition#getMorphism <em>Morphism</em>}</li>
+ *   <li>{@link nestedcondition.QuantifiedCondition#getCodomain <em>Codomain</em>}</li>
+ * </ul>
+ *
+ * @see nestedcondition.NestedconditionPackage#getQuantifiedCondition()
+ * @model annotation="http://www.eclipse.org/emf/2002/Ecore constraints='NestedDomainIsCoDomain MorphismIsFromDomainToCoDomain'"
+ *        annotation="http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot NestedDomainIsCoDomain='self.condition.domain = self.codomain' MorphismIsFromDomainToCoDomain='self.morphism.from = self.domain and self.morphism.to = self.codomain'"
+ * @generated
+ */
+public interface QuantifiedCondition extends NestedCondition {
+	/**
+	 * Returns the value of the '<em><b>Quantifier</b></em>' attribute.
+	 * The literals are from the enumeration {@link laxcondition.Quantifier}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Quantifier</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Quantifier</em>' attribute.
+	 * @see laxcondition.Quantifier
+	 * @see #setQuantifier(Quantifier)
+	 * @see nestedcondition.NestedconditionPackage#getQuantifiedCondition_Quantifier()
+	 * @model
+	 * @generated
+	 */
+	Quantifier getQuantifier();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.QuantifiedCondition#getQuantifier <em>Quantifier</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Quantifier</em>' attribute.
+	 * @see laxcondition.Quantifier
+	 * @see #getQuantifier()
+	 * @generated
+	 */
+	void setQuantifier(Quantifier value);
+
+	/**
+	 * Returns the value of the '<em><b>Condition</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Condition</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Condition</em>' containment reference.
+	 * @see #setCondition(NestedCondition)
+	 * @see nestedcondition.NestedconditionPackage#getQuantifiedCondition_Condition()
+	 * @model containment="true" required="true"
+	 * @generated
+	 */
+	NestedCondition getCondition();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.QuantifiedCondition#getCondition <em>Condition</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Condition</em>' containment reference.
+	 * @see #getCondition()
+	 * @generated
+	 */
+	void setCondition(NestedCondition value);
+
+	/**
+	 * Returns the value of the '<em><b>Morphism</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Morphism</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Morphism</em>' containment reference.
+	 * @see #setMorphism(Morphism)
+	 * @see nestedcondition.NestedconditionPackage#getQuantifiedCondition_Morphism()
+	 * @model containment="true" required="true"
+	 * @generated
+	 */
+	Morphism getMorphism();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.QuantifiedCondition#getMorphism <em>Morphism</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Morphism</em>' containment reference.
+	 * @see #getMorphism()
+	 * @generated
+	 */
+	void setMorphism(Morphism value);
+
+	/**
+	 * Returns the value of the '<em><b>Codomain</b></em>' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Codomain</em>' containment reference isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Codomain</em>' containment reference.
+	 * @see #setCodomain(Graph)
+	 * @see nestedcondition.NestedconditionPackage#getQuantifiedCondition_Codomain()
+	 * @model containment="true" required="true"
+	 * @generated
+	 */
+	Graph getCodomain();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.QuantifiedCondition#getCodomain <em>Codomain</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Codomain</em>' containment reference.
+	 * @see #getCodomain()
+	 * @generated
+	 */
+	void setCodomain(Graph value);
+
+} // QuantifiedCondition
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/True.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/True.java
new file mode 100644
index 0000000..71b33df
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/True.java
@@ -0,0 +1,17 @@
+/**
+ */
+package nestedcondition;
+
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>True</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ *
+ * @see nestedcondition.NestedconditionPackage#getTrue()
+ * @model
+ * @generated
+ */
+public interface True extends NestedCondition {
+} // True
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/Variable.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/Variable.java
new file mode 100644
index 0000000..9ab05c2
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/Variable.java
@@ -0,0 +1,50 @@
+/**
+ */
+package nestedcondition;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Variable</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.Variable#getName <em>Name</em>}</li>
+ * </ul>
+ *
+ * @see nestedcondition.NestedconditionPackage#getVariable()
+ * @model
+ * @generated
+ */
+public interface Variable extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see nestedcondition.NestedconditionPackage#getVariable_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link nestedcondition.Variable#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+} // Variable
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/EdgeMappingImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/EdgeMappingImpl.java
new file mode 100644
index 0000000..d65d5c0
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/EdgeMappingImpl.java
@@ -0,0 +1,218 @@
+/**
+ */
+package nestedcondition.impl;
+
+import graph.Edge;
+
+import nestedcondition.EdgeMapping;
+import nestedcondition.NestedconditionPackage;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Edge Mapping</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.impl.EdgeMappingImpl#getOrigin <em>Origin</em>}</li>
+ *   <li>{@link nestedcondition.impl.EdgeMappingImpl#getImage <em>Image</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class EdgeMappingImpl extends MinimalEObjectImpl.Container implements EdgeMapping {
+	/**
+	 * The cached value of the '{@link #getOrigin() <em>Origin</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getOrigin()
+	 * @generated
+	 * @ordered
+	 */
+	protected Edge origin;
+
+	/**
+	 * The cached value of the '{@link #getImage() <em>Image</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getImage()
+	 * @generated
+	 * @ordered
+	 */
+	protected Edge image;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected EdgeMappingImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return NestedconditionPackage.Literals.EDGE_MAPPING;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Edge getOrigin() {
+		if (origin != null && origin.eIsProxy()) {
+			InternalEObject oldOrigin = (InternalEObject)origin;
+			origin = (Edge)eResolveProxy(oldOrigin);
+			if (origin != oldOrigin) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, NestedconditionPackage.EDGE_MAPPING__ORIGIN, oldOrigin, origin));
+			}
+		}
+		return origin;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Edge basicGetOrigin() {
+		return origin;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setOrigin(Edge newOrigin) {
+		Edge oldOrigin = origin;
+		origin = newOrigin;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.EDGE_MAPPING__ORIGIN, oldOrigin, origin));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Edge getImage() {
+		if (image != null && image.eIsProxy()) {
+			InternalEObject oldImage = (InternalEObject)image;
+			image = (Edge)eResolveProxy(oldImage);
+			if (image != oldImage) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, NestedconditionPackage.EDGE_MAPPING__IMAGE, oldImage, image));
+			}
+		}
+		return image;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Edge basicGetImage() {
+		return image;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setImage(Edge newImage) {
+		Edge oldImage = image;
+		image = newImage;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.EDGE_MAPPING__IMAGE, oldImage, image));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case NestedconditionPackage.EDGE_MAPPING__ORIGIN:
+				if (resolve) return getOrigin();
+				return basicGetOrigin();
+			case NestedconditionPackage.EDGE_MAPPING__IMAGE:
+				if (resolve) return getImage();
+				return basicGetImage();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case NestedconditionPackage.EDGE_MAPPING__ORIGIN:
+				setOrigin((Edge)newValue);
+				return;
+			case NestedconditionPackage.EDGE_MAPPING__IMAGE:
+				setImage((Edge)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.EDGE_MAPPING__ORIGIN:
+				setOrigin((Edge)null);
+				return;
+			case NestedconditionPackage.EDGE_MAPPING__IMAGE:
+				setImage((Edge)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.EDGE_MAPPING__ORIGIN:
+				return origin != null;
+			case NestedconditionPackage.EDGE_MAPPING__IMAGE:
+				return image != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+} //EdgeMappingImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/FormulaImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/FormulaImpl.java
new file mode 100644
index 0000000..eda808b
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/FormulaImpl.java
@@ -0,0 +1,223 @@
+/**
+ */
+package nestedcondition.impl;
+
+import java.util.Collection;
+
+import laxcondition.Operator;
+
+import nestedcondition.Formula;
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedconditionPackage;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Formula</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.impl.FormulaImpl#getOperator <em>Operator</em>}</li>
+ *   <li>{@link nestedcondition.impl.FormulaImpl#getArguments <em>Arguments</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class FormulaImpl extends NestedConditionImpl implements Formula {
+	/**
+	 * The default value of the '{@link #getOperator() <em>Operator</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getOperator()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final Operator OPERATOR_EDEFAULT = Operator.NOT;
+
+	/**
+	 * The cached value of the '{@link #getOperator() <em>Operator</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getOperator()
+	 * @generated
+	 * @ordered
+	 */
+	protected Operator operator = OPERATOR_EDEFAULT;
+
+	/**
+	 * The cached value of the '{@link #getArguments() <em>Arguments</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getArguments()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<NestedCondition> arguments;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected FormulaImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return NestedconditionPackage.Literals.FORMULA;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Operator getOperator() {
+		return operator;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setOperator(Operator newOperator) {
+		Operator oldOperator = operator;
+		operator = newOperator == null ? OPERATOR_EDEFAULT : newOperator;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.FORMULA__OPERATOR, oldOperator, operator));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<NestedCondition> getArguments() {
+		if (arguments == null) {
+			arguments = new EObjectContainmentEList<NestedCondition>(NestedCondition.class, this, NestedconditionPackage.FORMULA__ARGUMENTS);
+		}
+		return arguments;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case NestedconditionPackage.FORMULA__ARGUMENTS:
+				return ((InternalEList<?>)getArguments()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case NestedconditionPackage.FORMULA__OPERATOR:
+				return getOperator();
+			case NestedconditionPackage.FORMULA__ARGUMENTS:
+				return getArguments();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case NestedconditionPackage.FORMULA__OPERATOR:
+				setOperator((Operator)newValue);
+				return;
+			case NestedconditionPackage.FORMULA__ARGUMENTS:
+				getArguments().clear();
+				getArguments().addAll((Collection<? extends NestedCondition>)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.FORMULA__OPERATOR:
+				setOperator(OPERATOR_EDEFAULT);
+				return;
+			case NestedconditionPackage.FORMULA__ARGUMENTS:
+				getArguments().clear();
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.FORMULA__OPERATOR:
+				return operator != OPERATOR_EDEFAULT;
+			case NestedconditionPackage.FORMULA__ARGUMENTS:
+				return arguments != null && !arguments.isEmpty();
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (operator: ");
+		result.append(operator);
+		result.append(')');
+		return result.toString();
+	}
+
+} //FormulaImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/MorphismImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/MorphismImpl.java
new file mode 100644
index 0000000..bc4e02e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/MorphismImpl.java
@@ -0,0 +1,313 @@
+/**
+ */
+package nestedcondition.impl;
+
+import graph.Graph;
+
+import java.util.Collection;
+
+import nestedcondition.EdgeMapping;
+import nestedcondition.Morphism;
+import nestedcondition.NestedconditionPackage;
+import nestedcondition.NodeMapping;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Morphism</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.impl.MorphismImpl#getNodeMappings <em>Node Mappings</em>}</li>
+ *   <li>{@link nestedcondition.impl.MorphismImpl#getFrom <em>From</em>}</li>
+ *   <li>{@link nestedcondition.impl.MorphismImpl#getTo <em>To</em>}</li>
+ *   <li>{@link nestedcondition.impl.MorphismImpl#getEdgeMappings <em>Edge Mappings</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class MorphismImpl extends MinimalEObjectImpl.Container implements Morphism {
+	/**
+	 * The cached value of the '{@link #getNodeMappings() <em>Node Mappings</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getNodeMappings()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<NodeMapping> nodeMappings;
+
+	/**
+	 * The cached value of the '{@link #getFrom() <em>From</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getFrom()
+	 * @generated
+	 * @ordered
+	 */
+	protected Graph from;
+
+	/**
+	 * The cached value of the '{@link #getTo() <em>To</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getTo()
+	 * @generated
+	 * @ordered
+	 */
+	protected Graph to;
+
+	/**
+	 * The cached value of the '{@link #getEdgeMappings() <em>Edge Mappings</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getEdgeMappings()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<EdgeMapping> edgeMappings;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected MorphismImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return NestedconditionPackage.Literals.MORPHISM;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<NodeMapping> getNodeMappings() {
+		if (nodeMappings == null) {
+			nodeMappings = new EObjectContainmentEList<NodeMapping>(NodeMapping.class, this, NestedconditionPackage.MORPHISM__NODE_MAPPINGS);
+		}
+		return nodeMappings;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph getFrom() {
+		if (from != null && from.eIsProxy()) {
+			InternalEObject oldFrom = (InternalEObject)from;
+			from = (Graph)eResolveProxy(oldFrom);
+			if (from != oldFrom) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, NestedconditionPackage.MORPHISM__FROM, oldFrom, from));
+			}
+		}
+		return from;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph basicGetFrom() {
+		return from;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setFrom(Graph newFrom) {
+		Graph oldFrom = from;
+		from = newFrom;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.MORPHISM__FROM, oldFrom, from));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph getTo() {
+		if (to != null && to.eIsProxy()) {
+			InternalEObject oldTo = (InternalEObject)to;
+			to = (Graph)eResolveProxy(oldTo);
+			if (to != oldTo) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, NestedconditionPackage.MORPHISM__TO, oldTo, to));
+			}
+		}
+		return to;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph basicGetTo() {
+		return to;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setTo(Graph newTo) {
+		Graph oldTo = to;
+		to = newTo;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.MORPHISM__TO, oldTo, to));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<EdgeMapping> getEdgeMappings() {
+		if (edgeMappings == null) {
+			edgeMappings = new EObjectContainmentEList<EdgeMapping>(EdgeMapping.class, this, NestedconditionPackage.MORPHISM__EDGE_MAPPINGS);
+		}
+		return edgeMappings;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case NestedconditionPackage.MORPHISM__NODE_MAPPINGS:
+				return ((InternalEList<?>)getNodeMappings()).basicRemove(otherEnd, msgs);
+			case NestedconditionPackage.MORPHISM__EDGE_MAPPINGS:
+				return ((InternalEList<?>)getEdgeMappings()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case NestedconditionPackage.MORPHISM__NODE_MAPPINGS:
+				return getNodeMappings();
+			case NestedconditionPackage.MORPHISM__FROM:
+				if (resolve) return getFrom();
+				return basicGetFrom();
+			case NestedconditionPackage.MORPHISM__TO:
+				if (resolve) return getTo();
+				return basicGetTo();
+			case NestedconditionPackage.MORPHISM__EDGE_MAPPINGS:
+				return getEdgeMappings();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case NestedconditionPackage.MORPHISM__NODE_MAPPINGS:
+				getNodeMappings().clear();
+				getNodeMappings().addAll((Collection<? extends NodeMapping>)newValue);
+				return;
+			case NestedconditionPackage.MORPHISM__FROM:
+				setFrom((Graph)newValue);
+				return;
+			case NestedconditionPackage.MORPHISM__TO:
+				setTo((Graph)newValue);
+				return;
+			case NestedconditionPackage.MORPHISM__EDGE_MAPPINGS:
+				getEdgeMappings().clear();
+				getEdgeMappings().addAll((Collection<? extends EdgeMapping>)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.MORPHISM__NODE_MAPPINGS:
+				getNodeMappings().clear();
+				return;
+			case NestedconditionPackage.MORPHISM__FROM:
+				setFrom((Graph)null);
+				return;
+			case NestedconditionPackage.MORPHISM__TO:
+				setTo((Graph)null);
+				return;
+			case NestedconditionPackage.MORPHISM__EDGE_MAPPINGS:
+				getEdgeMappings().clear();
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.MORPHISM__NODE_MAPPINGS:
+				return nodeMappings != null && !nodeMappings.isEmpty();
+			case NestedconditionPackage.MORPHISM__FROM:
+				return from != null;
+			case NestedconditionPackage.MORPHISM__TO:
+				return to != null;
+			case NestedconditionPackage.MORPHISM__EDGE_MAPPINGS:
+				return edgeMappings != null && !edgeMappings.isEmpty();
+		}
+		return super.eIsSet(featureID);
+	}
+
+} //MorphismImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NestedConditionImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NestedConditionImpl.java
new file mode 100644
index 0000000..a32859c
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NestedConditionImpl.java
@@ -0,0 +1,216 @@
+/**
+ */
+package nestedcondition.impl;
+
+import graph.Graph;
+
+import java.util.Collection;
+
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedconditionPackage;
+import nestedcondition.Variable;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Nested Condition</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.impl.NestedConditionImpl#getVariables <em>Variables</em>}</li>
+ *   <li>{@link nestedcondition.impl.NestedConditionImpl#getDomain <em>Domain</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public abstract class NestedConditionImpl extends MinimalEObjectImpl.Container implements NestedCondition {
+	/**
+	 * The cached value of the '{@link #getVariables() <em>Variables</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getVariables()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<Variable> variables;
+
+	/**
+	 * The cached value of the '{@link #getDomain() <em>Domain</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getDomain()
+	 * @generated
+	 * @ordered
+	 */
+	protected Graph domain;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedConditionImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return NestedconditionPackage.Literals.NESTED_CONDITION;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<Variable> getVariables() {
+		if (variables == null) {
+			variables = new EObjectContainmentEList<Variable>(Variable.class, this, NestedconditionPackage.NESTED_CONDITION__VARIABLES);
+		}
+		return variables;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph getDomain() {
+		if (domain != null && domain.eIsProxy()) {
+			InternalEObject oldDomain = (InternalEObject)domain;
+			domain = (Graph)eResolveProxy(oldDomain);
+			if (domain != oldDomain) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, NestedconditionPackage.NESTED_CONDITION__DOMAIN, oldDomain, domain));
+			}
+		}
+		return domain;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph basicGetDomain() {
+		return domain;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setDomain(Graph newDomain) {
+		Graph oldDomain = domain;
+		domain = newDomain;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.NESTED_CONDITION__DOMAIN, oldDomain, domain));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case NestedconditionPackage.NESTED_CONDITION__VARIABLES:
+				return ((InternalEList<?>)getVariables()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case NestedconditionPackage.NESTED_CONDITION__VARIABLES:
+				return getVariables();
+			case NestedconditionPackage.NESTED_CONDITION__DOMAIN:
+				if (resolve) return getDomain();
+				return basicGetDomain();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case NestedconditionPackage.NESTED_CONDITION__VARIABLES:
+				getVariables().clear();
+				getVariables().addAll((Collection<? extends Variable>)newValue);
+				return;
+			case NestedconditionPackage.NESTED_CONDITION__DOMAIN:
+				setDomain((Graph)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.NESTED_CONDITION__VARIABLES:
+				getVariables().clear();
+				return;
+			case NestedconditionPackage.NESTED_CONDITION__DOMAIN:
+				setDomain((Graph)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.NESTED_CONDITION__VARIABLES:
+				return variables != null && !variables.isEmpty();
+			case NestedconditionPackage.NESTED_CONDITION__DOMAIN:
+				return domain != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+} //NestedConditionImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NestedConstraintImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NestedConstraintImpl.java
new file mode 100644
index 0000000..8a98e2b
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NestedConstraintImpl.java
@@ -0,0 +1,373 @@
+/**
+ */
+package nestedcondition.impl;
+
+import graph.Graph;
+
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedConstraint;
+import nestedcondition.NestedconditionPackage;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Nested Constraint</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.impl.NestedConstraintImpl#getName <em>Name</em>}</li>
+ *   <li>{@link nestedcondition.impl.NestedConstraintImpl#getTypeGraph <em>Type Graph</em>}</li>
+ *   <li>{@link nestedcondition.impl.NestedConstraintImpl#getCondition <em>Condition</em>}</li>
+ *   <li>{@link nestedcondition.impl.NestedConstraintImpl#getDomain <em>Domain</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class NestedConstraintImpl extends MinimalEObjectImpl.Container implements NestedConstraint {
+	/**
+	 * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final String NAME_EDEFAULT = null;
+
+	/**
+	 * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected String name = NAME_EDEFAULT;
+
+	/**
+	 * The cached value of the '{@link #getTypeGraph() <em>Type Graph</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getTypeGraph()
+	 * @generated
+	 * @ordered
+	 */
+	protected EPackage typeGraph;
+
+	/**
+	 * The cached value of the '{@link #getCondition() <em>Condition</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getCondition()
+	 * @generated
+	 * @ordered
+	 */
+	protected NestedCondition condition;
+
+	/**
+	 * The cached value of the '{@link #getDomain() <em>Domain</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getDomain()
+	 * @generated
+	 * @ordered
+	 */
+	protected Graph domain;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedConstraintImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return NestedconditionPackage.Literals.NESTED_CONSTRAINT;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		String oldName = name;
+		name = newName;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.NESTED_CONSTRAINT__NAME, oldName, name));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EPackage getTypeGraph() {
+		if (typeGraph != null && typeGraph.eIsProxy()) {
+			InternalEObject oldTypeGraph = (InternalEObject)typeGraph;
+			typeGraph = (EPackage)eResolveProxy(oldTypeGraph);
+			if (typeGraph != oldTypeGraph) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, NestedconditionPackage.NESTED_CONSTRAINT__TYPE_GRAPH, oldTypeGraph, typeGraph));
+			}
+		}
+		return typeGraph;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EPackage basicGetTypeGraph() {
+		return typeGraph;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setTypeGraph(EPackage newTypeGraph) {
+		EPackage oldTypeGraph = typeGraph;
+		typeGraph = newTypeGraph;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.NESTED_CONSTRAINT__TYPE_GRAPH, oldTypeGraph, typeGraph));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedCondition getCondition() {
+		return condition;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetCondition(NestedCondition newCondition, NotificationChain msgs) {
+		NestedCondition oldCondition = condition;
+		condition = newCondition;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, NestedconditionPackage.NESTED_CONSTRAINT__CONDITION, oldCondition, newCondition);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setCondition(NestedCondition newCondition) {
+		if (newCondition != condition) {
+			NotificationChain msgs = null;
+			if (condition != null)
+				msgs = ((InternalEObject)condition).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - NestedconditionPackage.NESTED_CONSTRAINT__CONDITION, null, msgs);
+			if (newCondition != null)
+				msgs = ((InternalEObject)newCondition).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - NestedconditionPackage.NESTED_CONSTRAINT__CONDITION, null, msgs);
+			msgs = basicSetCondition(newCondition, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.NESTED_CONSTRAINT__CONDITION, newCondition, newCondition));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph getDomain() {
+		return domain;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetDomain(Graph newDomain, NotificationChain msgs) {
+		Graph oldDomain = domain;
+		domain = newDomain;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, NestedconditionPackage.NESTED_CONSTRAINT__DOMAIN, oldDomain, newDomain);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setDomain(Graph newDomain) {
+		if (newDomain != domain) {
+			NotificationChain msgs = null;
+			if (domain != null)
+				msgs = ((InternalEObject)domain).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - NestedconditionPackage.NESTED_CONSTRAINT__DOMAIN, null, msgs);
+			if (newDomain != null)
+				msgs = ((InternalEObject)newDomain).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - NestedconditionPackage.NESTED_CONSTRAINT__DOMAIN, null, msgs);
+			msgs = basicSetDomain(newDomain, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.NESTED_CONSTRAINT__DOMAIN, newDomain, newDomain));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case NestedconditionPackage.NESTED_CONSTRAINT__CONDITION:
+				return basicSetCondition(null, msgs);
+			case NestedconditionPackage.NESTED_CONSTRAINT__DOMAIN:
+				return basicSetDomain(null, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case NestedconditionPackage.NESTED_CONSTRAINT__NAME:
+				return getName();
+			case NestedconditionPackage.NESTED_CONSTRAINT__TYPE_GRAPH:
+				if (resolve) return getTypeGraph();
+				return basicGetTypeGraph();
+			case NestedconditionPackage.NESTED_CONSTRAINT__CONDITION:
+				return getCondition();
+			case NestedconditionPackage.NESTED_CONSTRAINT__DOMAIN:
+				return getDomain();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case NestedconditionPackage.NESTED_CONSTRAINT__NAME:
+				setName((String)newValue);
+				return;
+			case NestedconditionPackage.NESTED_CONSTRAINT__TYPE_GRAPH:
+				setTypeGraph((EPackage)newValue);
+				return;
+			case NestedconditionPackage.NESTED_CONSTRAINT__CONDITION:
+				setCondition((NestedCondition)newValue);
+				return;
+			case NestedconditionPackage.NESTED_CONSTRAINT__DOMAIN:
+				setDomain((Graph)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.NESTED_CONSTRAINT__NAME:
+				setName(NAME_EDEFAULT);
+				return;
+			case NestedconditionPackage.NESTED_CONSTRAINT__TYPE_GRAPH:
+				setTypeGraph((EPackage)null);
+				return;
+			case NestedconditionPackage.NESTED_CONSTRAINT__CONDITION:
+				setCondition((NestedCondition)null);
+				return;
+			case NestedconditionPackage.NESTED_CONSTRAINT__DOMAIN:
+				setDomain((Graph)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.NESTED_CONSTRAINT__NAME:
+				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+			case NestedconditionPackage.NESTED_CONSTRAINT__TYPE_GRAPH:
+				return typeGraph != null;
+			case NestedconditionPackage.NESTED_CONSTRAINT__CONDITION:
+				return condition != null;
+			case NestedconditionPackage.NESTED_CONSTRAINT__DOMAIN:
+				return domain != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (name: ");
+		result.append(name);
+		result.append(')');
+		return result.toString();
+	}
+
+} //NestedConstraintImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NestedconditionFactoryImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NestedconditionFactoryImpl.java
new file mode 100644
index 0000000..40e90bf
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NestedconditionFactoryImpl.java
@@ -0,0 +1,172 @@
+/**
+ */
+package nestedcondition.impl;
+
+import nestedcondition.*;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedconditionFactoryImpl extends EFactoryImpl implements NestedconditionFactory {
+	/**
+	 * Creates the default factory implementation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static NestedconditionFactory init() {
+		try {
+			NestedconditionFactory theNestedconditionFactory = (NestedconditionFactory)EPackage.Registry.INSTANCE.getEFactory(NestedconditionPackage.eNS_URI);
+			if (theNestedconditionFactory != null) {
+				return theNestedconditionFactory;
+			}
+		}
+		catch (Exception exception) {
+			EcorePlugin.INSTANCE.log(exception);
+		}
+		return new NestedconditionFactoryImpl();
+	}
+
+	/**
+	 * Creates an instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconditionFactoryImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public EObject create(EClass eClass) {
+		switch (eClass.getClassifierID()) {
+			case NestedconditionPackage.NESTED_CONSTRAINT: return createNestedConstraint();
+			case NestedconditionPackage.VARIABLE: return createVariable();
+			case NestedconditionPackage.QUANTIFIED_CONDITION: return createQuantifiedCondition();
+			case NestedconditionPackage.TRUE: return createTrue();
+			case NestedconditionPackage.FORMULA: return createFormula();
+			case NestedconditionPackage.MORPHISM: return createMorphism();
+			case NestedconditionPackage.NODE_MAPPING: return createNodeMapping();
+			case NestedconditionPackage.EDGE_MAPPING: return createEdgeMapping();
+			default:
+				throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedConstraint createNestedConstraint() {
+		NestedConstraintImpl nestedConstraint = new NestedConstraintImpl();
+		return nestedConstraint;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Variable createVariable() {
+		VariableImpl variable = new VariableImpl();
+		return variable;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public QuantifiedCondition createQuantifiedCondition() {
+		QuantifiedConditionImpl quantifiedCondition = new QuantifiedConditionImpl();
+		return quantifiedCondition;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public True createTrue() {
+		TrueImpl true_ = new TrueImpl();
+		return true_;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Formula createFormula() {
+		FormulaImpl formula = new FormulaImpl();
+		return formula;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Morphism createMorphism() {
+		MorphismImpl morphism = new MorphismImpl();
+		return morphism;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NodeMapping createNodeMapping() {
+		NodeMappingImpl nodeMapping = new NodeMappingImpl();
+		return nodeMapping;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EdgeMapping createEdgeMapping() {
+		EdgeMappingImpl edgeMapping = new EdgeMappingImpl();
+		return edgeMapping;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconditionPackage getNestedconditionPackage() {
+		return (NestedconditionPackage)getEPackage();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @deprecated
+	 * @generated
+	 */
+	@Deprecated
+	public static NestedconditionPackage getPackage() {
+		return NestedconditionPackage.eINSTANCE;
+	}
+
+} //NestedconditionFactoryImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NestedconditionPackageImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NestedconditionPackageImpl.java
new file mode 100644
index 0000000..8b3e4bc
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NestedconditionPackageImpl.java
@@ -0,0 +1,719 @@
+/**
+ */
+package nestedcondition.impl;
+
+import graph.GraphPackage;
+
+import graph.impl.GraphPackageImpl;
+
+import laxcondition.LaxconditionPackage;
+
+import laxcondition.impl.LaxconditionPackageImpl;
+
+import nestedcondition.EdgeMapping;
+import nestedcondition.Formula;
+import nestedcondition.Morphism;
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedConstraint;
+import nestedcondition.NestedconditionFactory;
+import nestedcondition.NestedconditionPackage;
+import nestedcondition.NodeMapping;
+import nestedcondition.QuantifiedCondition;
+import nestedcondition.True;
+import nestedcondition.Variable;
+
+import nestedcondition.util.NestedconditionValidator;
+
+import nestedconstraintmodel.NestedconstraintmodelPackage;
+
+import nestedconstraintmodel.impl.NestedconstraintmodelPackageImpl;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+import org.eclipse.emf.ecore.EValidator;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedconditionPackageImpl extends EPackageImpl implements NestedconditionPackage {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass nestedConstraintEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass nestedConditionEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass variableEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass quantifiedConditionEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass trueEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass formulaEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass morphismEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass nodeMappingEClass = null;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass edgeMappingEClass = null;
+
+	/**
+	 * Creates an instance of the model <b>Package</b>, registered with
+	 * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+	 * package URI value.
+	 * <p>Note: the correct way to create the package is via the static
+	 * factory method {@link #init init()}, which also performs
+	 * initialization of the package, or returns the registered package,
+	 * if one already exists.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.ecore.EPackage.Registry
+	 * @see nestedcondition.NestedconditionPackage#eNS_URI
+	 * @see #init()
+	 * @generated
+	 */
+	private NestedconditionPackageImpl() {
+		super(eNS_URI, NestedconditionFactory.eINSTANCE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static boolean isInited = false;
+
+	/**
+	 * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+	 * 
+	 * <p>This method is used to initialize {@link NestedconditionPackage#eINSTANCE} when that field is accessed.
+	 * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #eNS_URI
+	 * @see #createPackageContents()
+	 * @see #initializePackageContents()
+	 * @generated
+	 */
+	public static NestedconditionPackage init() {
+		if (isInited) return (NestedconditionPackage)EPackage.Registry.INSTANCE.getEPackage(NestedconditionPackage.eNS_URI);
+
+		// Obtain or create and register package
+		NestedconditionPackageImpl theNestedconditionPackage = (NestedconditionPackageImpl)(EPackage.Registry.INSTANCE.get(eNS_URI) instanceof NestedconditionPackageImpl ? EPackage.Registry.INSTANCE.get(eNS_URI) : new NestedconditionPackageImpl());
+
+		isInited = true;
+
+		// Obtain or create and register interdependencies
+		NestedconstraintmodelPackageImpl theNestedconstraintmodelPackage = (NestedconstraintmodelPackageImpl)(EPackage.Registry.INSTANCE.getEPackage(NestedconstraintmodelPackage.eNS_URI) instanceof NestedconstraintmodelPackageImpl ? EPackage.Registry.INSTANCE.getEPackage(NestedconstraintmodelPackage.eNS_URI) : NestedconstraintmodelPackage.eINSTANCE);
+		GraphPackageImpl theGraphPackage = (GraphPackageImpl)(EPackage.Registry.INSTANCE.getEPackage(GraphPackage.eNS_URI) instanceof GraphPackageImpl ? EPackage.Registry.INSTANCE.getEPackage(GraphPackage.eNS_URI) : GraphPackage.eINSTANCE);
+		LaxconditionPackageImpl theLaxconditionPackage = (LaxconditionPackageImpl)(EPackage.Registry.INSTANCE.getEPackage(LaxconditionPackage.eNS_URI) instanceof LaxconditionPackageImpl ? EPackage.Registry.INSTANCE.getEPackage(LaxconditionPackage.eNS_URI) : LaxconditionPackage.eINSTANCE);
+
+		// Create package meta-data objects
+		theNestedconditionPackage.createPackageContents();
+		theNestedconstraintmodelPackage.createPackageContents();
+		theGraphPackage.createPackageContents();
+		theLaxconditionPackage.createPackageContents();
+
+		// Initialize created meta-data
+		theNestedconditionPackage.initializePackageContents();
+		theNestedconstraintmodelPackage.initializePackageContents();
+		theGraphPackage.initializePackageContents();
+		theLaxconditionPackage.initializePackageContents();
+
+		// Register package validator
+		EValidator.Registry.INSTANCE.put
+			(theNestedconditionPackage, 
+			 new EValidator.Descriptor() {
+				 public EValidator getEValidator() {
+					 return NestedconditionValidator.INSTANCE;
+				 }
+			 });
+
+		// Mark meta-data to indicate it can't be changed
+		theNestedconditionPackage.freeze();
+
+  
+		// Update the registry and return the package
+		EPackage.Registry.INSTANCE.put(NestedconditionPackage.eNS_URI, theNestedconditionPackage);
+		return theNestedconditionPackage;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getNestedConstraint() {
+		return nestedConstraintEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getNestedConstraint_Name() {
+		return (EAttribute)nestedConstraintEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getNestedConstraint_TypeGraph() {
+		return (EReference)nestedConstraintEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getNestedConstraint_Condition() {
+		return (EReference)nestedConstraintEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getNestedConstraint_Domain() {
+		return (EReference)nestedConstraintEClass.getEStructuralFeatures().get(3);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getNestedCondition() {
+		return nestedConditionEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getNestedCondition_Variables() {
+		return (EReference)nestedConditionEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getNestedCondition_Domain() {
+		return (EReference)nestedConditionEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getVariable() {
+		return variableEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getVariable_Name() {
+		return (EAttribute)variableEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getQuantifiedCondition() {
+		return quantifiedConditionEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getQuantifiedCondition_Quantifier() {
+		return (EAttribute)quantifiedConditionEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getQuantifiedCondition_Condition() {
+		return (EReference)quantifiedConditionEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getQuantifiedCondition_Morphism() {
+		return (EReference)quantifiedConditionEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getQuantifiedCondition_Codomain() {
+		return (EReference)quantifiedConditionEClass.getEStructuralFeatures().get(3);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getTrue() {
+		return trueEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getFormula() {
+		return formulaEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getFormula_Operator() {
+		return (EAttribute)formulaEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getFormula_Arguments() {
+		return (EReference)formulaEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getMorphism() {
+		return morphismEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getMorphism_NodeMappings() {
+		return (EReference)morphismEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getMorphism_From() {
+		return (EReference)morphismEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getMorphism_To() {
+		return (EReference)morphismEClass.getEStructuralFeatures().get(2);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getMorphism_EdgeMappings() {
+		return (EReference)morphismEClass.getEStructuralFeatures().get(3);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getNodeMapping() {
+		return nodeMappingEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getNodeMapping_Origin() {
+		return (EReference)nodeMappingEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getNodeMapping_Image() {
+		return (EReference)nodeMappingEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getEdgeMapping() {
+		return edgeMappingEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getEdgeMapping_Origin() {
+		return (EReference)edgeMappingEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getEdgeMapping_Image() {
+		return (EReference)edgeMappingEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconditionFactory getNestedconditionFactory() {
+		return (NestedconditionFactory)getEFactoryInstance();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isCreated = false;
+
+	/**
+	 * Creates the meta-model objects for the package.  This method is
+	 * guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void createPackageContents() {
+		if (isCreated) return;
+		isCreated = true;
+
+		// Create classes and their features
+		nestedConstraintEClass = createEClass(NESTED_CONSTRAINT);
+		createEAttribute(nestedConstraintEClass, NESTED_CONSTRAINT__NAME);
+		createEReference(nestedConstraintEClass, NESTED_CONSTRAINT__TYPE_GRAPH);
+		createEReference(nestedConstraintEClass, NESTED_CONSTRAINT__CONDITION);
+		createEReference(nestedConstraintEClass, NESTED_CONSTRAINT__DOMAIN);
+
+		nestedConditionEClass = createEClass(NESTED_CONDITION);
+		createEReference(nestedConditionEClass, NESTED_CONDITION__VARIABLES);
+		createEReference(nestedConditionEClass, NESTED_CONDITION__DOMAIN);
+
+		variableEClass = createEClass(VARIABLE);
+		createEAttribute(variableEClass, VARIABLE__NAME);
+
+		quantifiedConditionEClass = createEClass(QUANTIFIED_CONDITION);
+		createEAttribute(quantifiedConditionEClass, QUANTIFIED_CONDITION__QUANTIFIER);
+		createEReference(quantifiedConditionEClass, QUANTIFIED_CONDITION__CONDITION);
+		createEReference(quantifiedConditionEClass, QUANTIFIED_CONDITION__MORPHISM);
+		createEReference(quantifiedConditionEClass, QUANTIFIED_CONDITION__CODOMAIN);
+
+		trueEClass = createEClass(TRUE);
+
+		formulaEClass = createEClass(FORMULA);
+		createEAttribute(formulaEClass, FORMULA__OPERATOR);
+		createEReference(formulaEClass, FORMULA__ARGUMENTS);
+
+		morphismEClass = createEClass(MORPHISM);
+		createEReference(morphismEClass, MORPHISM__NODE_MAPPINGS);
+		createEReference(morphismEClass, MORPHISM__FROM);
+		createEReference(morphismEClass, MORPHISM__TO);
+		createEReference(morphismEClass, MORPHISM__EDGE_MAPPINGS);
+
+		nodeMappingEClass = createEClass(NODE_MAPPING);
+		createEReference(nodeMappingEClass, NODE_MAPPING__ORIGIN);
+		createEReference(nodeMappingEClass, NODE_MAPPING__IMAGE);
+
+		edgeMappingEClass = createEClass(EDGE_MAPPING);
+		createEReference(edgeMappingEClass, EDGE_MAPPING__ORIGIN);
+		createEReference(edgeMappingEClass, EDGE_MAPPING__IMAGE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isInitialized = false;
+
+	/**
+	 * Complete the initialization of the package and its meta-model.  This
+	 * method is guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void initializePackageContents() {
+		if (isInitialized) return;
+		isInitialized = true;
+
+		// Initialize package
+		setName(eNAME);
+		setNsPrefix(eNS_PREFIX);
+		setNsURI(eNS_URI);
+
+		// Obtain other dependent packages
+		GraphPackage theGraphPackage = (GraphPackage)EPackage.Registry.INSTANCE.getEPackage(GraphPackage.eNS_URI);
+		LaxconditionPackage theLaxconditionPackage = (LaxconditionPackage)EPackage.Registry.INSTANCE.getEPackage(LaxconditionPackage.eNS_URI);
+
+		// Create type parameters
+
+		// Set bounds for type parameters
+
+		// Add supertypes to classes
+		quantifiedConditionEClass.getESuperTypes().add(this.getNestedCondition());
+		trueEClass.getESuperTypes().add(this.getNestedCondition());
+		formulaEClass.getESuperTypes().add(this.getNestedCondition());
+
+		// Initialize classes, features, and operations; add parameters
+		initEClass(nestedConstraintEClass, NestedConstraint.class, "NestedConstraint", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getNestedConstraint_Name(), ecorePackage.getEString(), "name", null, 0, 1, NestedConstraint.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getNestedConstraint_TypeGraph(), ecorePackage.getEPackage(), null, "typeGraph", null, 1, 1, NestedConstraint.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getNestedConstraint_Condition(), this.getNestedCondition(), null, "condition", null, 1, 1, NestedConstraint.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getNestedConstraint_Domain(), theGraphPackage.getGraph(), null, "domain", null, 1, 1, NestedConstraint.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(nestedConditionEClass, NestedCondition.class, "NestedCondition", IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getNestedCondition_Variables(), this.getVariable(), null, "variables", null, 0, -1, NestedCondition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getNestedCondition_Domain(), theGraphPackage.getGraph(), null, "domain", null, 1, 1, NestedCondition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(variableEClass, Variable.class, "Variable", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getVariable_Name(), ecorePackage.getEString(), "name", null, 0, 1, Variable.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(quantifiedConditionEClass, QuantifiedCondition.class, "QuantifiedCondition", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getQuantifiedCondition_Quantifier(), theLaxconditionPackage.getQuantifier(), "quantifier", null, 0, 1, QuantifiedCondition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getQuantifiedCondition_Condition(), this.getNestedCondition(), null, "condition", null, 1, 1, QuantifiedCondition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getQuantifiedCondition_Morphism(), this.getMorphism(), null, "morphism", null, 1, 1, QuantifiedCondition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getQuantifiedCondition_Codomain(), theGraphPackage.getGraph(), null, "codomain", null, 1, 1, QuantifiedCondition.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(trueEClass, True.class, "True", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+
+		initEClass(formulaEClass, Formula.class, "Formula", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getFormula_Operator(), theLaxconditionPackage.getOperator(), "operator", null, 0, 1, Formula.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getFormula_Arguments(), this.getNestedCondition(), null, "arguments", null, 1, -1, Formula.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(morphismEClass, Morphism.class, "Morphism", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getMorphism_NodeMappings(), this.getNodeMapping(), null, "nodeMappings", null, 0, -1, Morphism.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getMorphism_From(), theGraphPackage.getGraph(), null, "from", null, 1, 1, Morphism.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getMorphism_To(), theGraphPackage.getGraph(), null, "to", null, 1, 1, Morphism.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getMorphism_EdgeMappings(), this.getEdgeMapping(), null, "edgeMappings", null, 0, -1, Morphism.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(nodeMappingEClass, NodeMapping.class, "NodeMapping", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getNodeMapping_Origin(), theGraphPackage.getNode(), null, "origin", null, 1, 1, NodeMapping.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getNodeMapping_Image(), theGraphPackage.getNode(), null, "image", null, 1, 1, NodeMapping.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		initEClass(edgeMappingEClass, EdgeMapping.class, "EdgeMapping", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEReference(getEdgeMapping_Origin(), theGraphPackage.getEdge(), null, "origin", null, 1, 1, EdgeMapping.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getEdgeMapping_Image(), theGraphPackage.getEdge(), null, "image", null, 1, 1, EdgeMapping.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_COMPOSITE, IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		// Create resource
+		createResource(eNS_URI);
+
+		// Create annotations
+		// http://www.eclipse.org/OCL/Import
+		createImportAnnotations();
+		// http://www.eclipse.org/emf/2002/Ecore
+		createEcoreAnnotations();
+		// http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot
+		createPivotAnnotations();
+	}
+
+	/**
+	 * Initializes the annotations for <b>http://www.eclipse.org/OCL/Import</b>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createImportAnnotations() {
+		String source = "http://www.eclipse.org/OCL/Import";	
+		addAnnotation
+		  (this, 
+		   source, 
+		   new String[] {
+			 "ecore", "http://www.eclipse.org/emf/2002/Ecore#/",
+			 "graph", "graph.ecore#/",
+			 "laxcondition", "laxcondition.ecore#/"
+		   });
+	}
+
+	/**
+	 * Initializes the annotations for <b>http://www.eclipse.org/emf/2002/Ecore</b>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createEcoreAnnotations() {
+		String source = "http://www.eclipse.org/emf/2002/Ecore";	
+		addAnnotation
+		  (this, 
+		   source, 
+		   new String[] {
+			 "invocationDelegates", "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+			 "settingDelegates", "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+			 "validationDelegates", "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot"
+		   });	
+		addAnnotation
+		  (nestedConstraintEClass, 
+		   source, 
+		   new String[] {
+			 "constraints", "ConstraintDomainIsEmpty RootConditionDomainIsConatraintDomain TypeGraphConsistency HostGraphConsistency"
+		   });	
+		addAnnotation
+		  (quantifiedConditionEClass, 
+		   source, 
+		   new String[] {
+			 "constraints", "NestedDomainIsCoDomain MorphismIsFromDomainToCoDomain"
+		   });	
+		addAnnotation
+		  (formulaEClass, 
+		   source, 
+		   new String[] {
+			 "constraints", "ArgumentsDomainConsistency OneArgumentForNOT AtLeastTwoArgumentForANDOR TwoArgumentForIMPLEQUALXOR"
+		   });	
+		addAnnotation
+		  (morphismEClass, 
+		   source, 
+		   new String[] {
+			 "constraints", "NodeMappingIsFromDomainToCoDomain EdgeMappingIsFromDomainToCoDomain EdgeMappingConsistency"
+		   });
+	}
+
+	/**
+	 * Initializes the annotations for <b>http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot</b>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected void createPivotAnnotations() {
+		String source = "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot";	
+		addAnnotation
+		  (nestedConstraintEClass, 
+		   source, 
+		   new String[] {
+			 "ConstraintDomainIsEmpty", "self.domain.nodes -> isEmpty() and self.domain.edges -> isEmpty()",
+			 "RootConditionDomainIsConatraintDomain", "self.condition.domain = self.domain",
+			 "TypeGraphConsistency", "graph::Graph.allInstances() -> forAll(g|g.typegraph = self.typeGraph)",
+			 "HostGraphConsistency", "graph::Graph.allInstances() -> forAll(g|g.edges -> forAll(e|g.nodes -> includes(e.source) and g.nodes -> includes(e.target)))"
+		   });	
+		addAnnotation
+		  (quantifiedConditionEClass, 
+		   source, 
+		   new String[] {
+			 "NestedDomainIsCoDomain", "self.condition.domain = self.codomain",
+			 "MorphismIsFromDomainToCoDomain", "self.morphism.from = self.domain and self.morphism.to = self.codomain"
+		   });	
+		addAnnotation
+		  (formulaEClass, 
+		   source, 
+		   new String[] {
+			 "ArgumentsDomainConsistency", "self.arguments -> forAll(cond|cond.domain = self.domain)",
+			 "OneArgumentForNOT", "(self.operator = laxcondition::Operator::NOT) implies (self.arguments -> size() = 1)",
+			 "AtLeastTwoArgumentForANDOR", "((self.operator = laxcondition::Operator::AND) or (self.operator = laxcondition::Operator::OR)) implies (self.arguments -> size() > 1)",
+			 "TwoArgumentForIMPLEQUALXOR", "((self.operator = laxcondition::Operator::IMPLIES) or (self.operator = laxcondition::Operator::EQUIVALENT) or (self.operator = laxcondition::Operator::XOR)) implies (self.arguments -> size() = 2)"
+		   });	
+		addAnnotation
+		  (morphismEClass, 
+		   source, 
+		   new String[] {
+			 "NodeMappingIsFromDomainToCoDomain", "self.nodeMappings -> forAll(m|self.from.nodes -> includes(m.origin) and self.to.nodes -> includes(m.image))",
+			 "EdgeMappingIsFromDomainToCoDomain", "self.edgeMappings -> forAll(m|self.from.edges -> includes(m.origin) and self.to.edges -> includes(m.image))",
+			 "EdgeMappingConsistency", "self.edgeMappings -> forAll(em|self.nodeMappings -> exists(nm|nm.origin = em.origin.source and nm.image = em.image.source) and self.nodeMappings -> exists(nm|nm.origin = em.origin.target and nm.image = em.image.target))"
+		   });
+	}
+
+} //NestedconditionPackageImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NodeMappingImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NodeMappingImpl.java
new file mode 100644
index 0000000..3905741
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/NodeMappingImpl.java
@@ -0,0 +1,218 @@
+/**
+ */
+package nestedcondition.impl;
+
+import graph.Node;
+
+import nestedcondition.NestedconditionPackage;
+import nestedcondition.NodeMapping;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Node Mapping</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.impl.NodeMappingImpl#getOrigin <em>Origin</em>}</li>
+ *   <li>{@link nestedcondition.impl.NodeMappingImpl#getImage <em>Image</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class NodeMappingImpl extends MinimalEObjectImpl.Container implements NodeMapping {
+	/**
+	 * The cached value of the '{@link #getOrigin() <em>Origin</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getOrigin()
+	 * @generated
+	 * @ordered
+	 */
+	protected Node origin;
+
+	/**
+	 * The cached value of the '{@link #getImage() <em>Image</em>}' reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getImage()
+	 * @generated
+	 * @ordered
+	 */
+	protected Node image;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NodeMappingImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return NestedconditionPackage.Literals.NODE_MAPPING;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node getOrigin() {
+		if (origin != null && origin.eIsProxy()) {
+			InternalEObject oldOrigin = (InternalEObject)origin;
+			origin = (Node)eResolveProxy(oldOrigin);
+			if (origin != oldOrigin) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, NestedconditionPackage.NODE_MAPPING__ORIGIN, oldOrigin, origin));
+			}
+		}
+		return origin;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node basicGetOrigin() {
+		return origin;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setOrigin(Node newOrigin) {
+		Node oldOrigin = origin;
+		origin = newOrigin;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.NODE_MAPPING__ORIGIN, oldOrigin, origin));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node getImage() {
+		if (image != null && image.eIsProxy()) {
+			InternalEObject oldImage = (InternalEObject)image;
+			image = (Node)eResolveProxy(oldImage);
+			if (image != oldImage) {
+				if (eNotificationRequired())
+					eNotify(new ENotificationImpl(this, Notification.RESOLVE, NestedconditionPackage.NODE_MAPPING__IMAGE, oldImage, image));
+			}
+		}
+		return image;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Node basicGetImage() {
+		return image;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setImage(Node newImage) {
+		Node oldImage = image;
+		image = newImage;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.NODE_MAPPING__IMAGE, oldImage, image));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case NestedconditionPackage.NODE_MAPPING__ORIGIN:
+				if (resolve) return getOrigin();
+				return basicGetOrigin();
+			case NestedconditionPackage.NODE_MAPPING__IMAGE:
+				if (resolve) return getImage();
+				return basicGetImage();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case NestedconditionPackage.NODE_MAPPING__ORIGIN:
+				setOrigin((Node)newValue);
+				return;
+			case NestedconditionPackage.NODE_MAPPING__IMAGE:
+				setImage((Node)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.NODE_MAPPING__ORIGIN:
+				setOrigin((Node)null);
+				return;
+			case NestedconditionPackage.NODE_MAPPING__IMAGE:
+				setImage((Node)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.NODE_MAPPING__ORIGIN:
+				return origin != null;
+			case NestedconditionPackage.NODE_MAPPING__IMAGE:
+				return image != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+} //NodeMappingImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/QuantifiedConditionImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/QuantifiedConditionImpl.java
new file mode 100644
index 0000000..7741dce
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/QuantifiedConditionImpl.java
@@ -0,0 +1,380 @@
+/**
+ */
+package nestedcondition.impl;
+
+import graph.Graph;
+
+import laxcondition.Quantifier;
+
+import nestedcondition.Morphism;
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedconditionPackage;
+import nestedcondition.QuantifiedCondition;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Quantified Condition</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.impl.QuantifiedConditionImpl#getQuantifier <em>Quantifier</em>}</li>
+ *   <li>{@link nestedcondition.impl.QuantifiedConditionImpl#getCondition <em>Condition</em>}</li>
+ *   <li>{@link nestedcondition.impl.QuantifiedConditionImpl#getMorphism <em>Morphism</em>}</li>
+ *   <li>{@link nestedcondition.impl.QuantifiedConditionImpl#getCodomain <em>Codomain</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class QuantifiedConditionImpl extends NestedConditionImpl implements QuantifiedCondition {
+	/**
+	 * The default value of the '{@link #getQuantifier() <em>Quantifier</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getQuantifier()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final Quantifier QUANTIFIER_EDEFAULT = Quantifier.EXISTS;
+
+	/**
+	 * The cached value of the '{@link #getQuantifier() <em>Quantifier</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getQuantifier()
+	 * @generated
+	 * @ordered
+	 */
+	protected Quantifier quantifier = QUANTIFIER_EDEFAULT;
+
+	/**
+	 * The cached value of the '{@link #getCondition() <em>Condition</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getCondition()
+	 * @generated
+	 * @ordered
+	 */
+	protected NestedCondition condition;
+
+	/**
+	 * The cached value of the '{@link #getMorphism() <em>Morphism</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getMorphism()
+	 * @generated
+	 * @ordered
+	 */
+	protected Morphism morphism;
+
+	/**
+	 * The cached value of the '{@link #getCodomain() <em>Codomain</em>}' containment reference.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getCodomain()
+	 * @generated
+	 * @ordered
+	 */
+	protected Graph codomain;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected QuantifiedConditionImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return NestedconditionPackage.Literals.QUANTIFIED_CONDITION;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Quantifier getQuantifier() {
+		return quantifier;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setQuantifier(Quantifier newQuantifier) {
+		Quantifier oldQuantifier = quantifier;
+		quantifier = newQuantifier == null ? QUANTIFIER_EDEFAULT : newQuantifier;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.QUANTIFIED_CONDITION__QUANTIFIER, oldQuantifier, quantifier));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedCondition getCondition() {
+		return condition;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetCondition(NestedCondition newCondition, NotificationChain msgs) {
+		NestedCondition oldCondition = condition;
+		condition = newCondition;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, NestedconditionPackage.QUANTIFIED_CONDITION__CONDITION, oldCondition, newCondition);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setCondition(NestedCondition newCondition) {
+		if (newCondition != condition) {
+			NotificationChain msgs = null;
+			if (condition != null)
+				msgs = ((InternalEObject)condition).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - NestedconditionPackage.QUANTIFIED_CONDITION__CONDITION, null, msgs);
+			if (newCondition != null)
+				msgs = ((InternalEObject)newCondition).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - NestedconditionPackage.QUANTIFIED_CONDITION__CONDITION, null, msgs);
+			msgs = basicSetCondition(newCondition, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.QUANTIFIED_CONDITION__CONDITION, newCondition, newCondition));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Morphism getMorphism() {
+		return morphism;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetMorphism(Morphism newMorphism, NotificationChain msgs) {
+		Morphism oldMorphism = morphism;
+		morphism = newMorphism;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, NestedconditionPackage.QUANTIFIED_CONDITION__MORPHISM, oldMorphism, newMorphism);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setMorphism(Morphism newMorphism) {
+		if (newMorphism != morphism) {
+			NotificationChain msgs = null;
+			if (morphism != null)
+				msgs = ((InternalEObject)morphism).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - NestedconditionPackage.QUANTIFIED_CONDITION__MORPHISM, null, msgs);
+			if (newMorphism != null)
+				msgs = ((InternalEObject)newMorphism).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - NestedconditionPackage.QUANTIFIED_CONDITION__MORPHISM, null, msgs);
+			msgs = basicSetMorphism(newMorphism, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.QUANTIFIED_CONDITION__MORPHISM, newMorphism, newMorphism));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public Graph getCodomain() {
+		return codomain;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NotificationChain basicSetCodomain(Graph newCodomain, NotificationChain msgs) {
+		Graph oldCodomain = codomain;
+		codomain = newCodomain;
+		if (eNotificationRequired()) {
+			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, NestedconditionPackage.QUANTIFIED_CONDITION__CODOMAIN, oldCodomain, newCodomain);
+			if (msgs == null) msgs = notification; else msgs.add(notification);
+		}
+		return msgs;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setCodomain(Graph newCodomain) {
+		if (newCodomain != codomain) {
+			NotificationChain msgs = null;
+			if (codomain != null)
+				msgs = ((InternalEObject)codomain).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - NestedconditionPackage.QUANTIFIED_CONDITION__CODOMAIN, null, msgs);
+			if (newCodomain != null)
+				msgs = ((InternalEObject)newCodomain).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - NestedconditionPackage.QUANTIFIED_CONDITION__CODOMAIN, null, msgs);
+			msgs = basicSetCodomain(newCodomain, msgs);
+			if (msgs != null) msgs.dispatch();
+		}
+		else if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.QUANTIFIED_CONDITION__CODOMAIN, newCodomain, newCodomain));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case NestedconditionPackage.QUANTIFIED_CONDITION__CONDITION:
+				return basicSetCondition(null, msgs);
+			case NestedconditionPackage.QUANTIFIED_CONDITION__MORPHISM:
+				return basicSetMorphism(null, msgs);
+			case NestedconditionPackage.QUANTIFIED_CONDITION__CODOMAIN:
+				return basicSetCodomain(null, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case NestedconditionPackage.QUANTIFIED_CONDITION__QUANTIFIER:
+				return getQuantifier();
+			case NestedconditionPackage.QUANTIFIED_CONDITION__CONDITION:
+				return getCondition();
+			case NestedconditionPackage.QUANTIFIED_CONDITION__MORPHISM:
+				return getMorphism();
+			case NestedconditionPackage.QUANTIFIED_CONDITION__CODOMAIN:
+				return getCodomain();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case NestedconditionPackage.QUANTIFIED_CONDITION__QUANTIFIER:
+				setQuantifier((Quantifier)newValue);
+				return;
+			case NestedconditionPackage.QUANTIFIED_CONDITION__CONDITION:
+				setCondition((NestedCondition)newValue);
+				return;
+			case NestedconditionPackage.QUANTIFIED_CONDITION__MORPHISM:
+				setMorphism((Morphism)newValue);
+				return;
+			case NestedconditionPackage.QUANTIFIED_CONDITION__CODOMAIN:
+				setCodomain((Graph)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.QUANTIFIED_CONDITION__QUANTIFIER:
+				setQuantifier(QUANTIFIER_EDEFAULT);
+				return;
+			case NestedconditionPackage.QUANTIFIED_CONDITION__CONDITION:
+				setCondition((NestedCondition)null);
+				return;
+			case NestedconditionPackage.QUANTIFIED_CONDITION__MORPHISM:
+				setMorphism((Morphism)null);
+				return;
+			case NestedconditionPackage.QUANTIFIED_CONDITION__CODOMAIN:
+				setCodomain((Graph)null);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.QUANTIFIED_CONDITION__QUANTIFIER:
+				return quantifier != QUANTIFIER_EDEFAULT;
+			case NestedconditionPackage.QUANTIFIED_CONDITION__CONDITION:
+				return condition != null;
+			case NestedconditionPackage.QUANTIFIED_CONDITION__MORPHISM:
+				return morphism != null;
+			case NestedconditionPackage.QUANTIFIED_CONDITION__CODOMAIN:
+				return codomain != null;
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (quantifier: ");
+		result.append(quantifier);
+		result.append(')');
+		return result.toString();
+	}
+
+} //QuantifiedConditionImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/TrueImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/TrueImpl.java
new file mode 100644
index 0000000..608464f
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/TrueImpl.java
@@ -0,0 +1,37 @@
+/**
+ */
+package nestedcondition.impl;
+
+import nestedcondition.NestedconditionPackage;
+import nestedcondition.True;
+
+import org.eclipse.emf.ecore.EClass;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>True</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * @generated
+ */
+public class TrueImpl extends NestedConditionImpl implements True {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected TrueImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return NestedconditionPackage.Literals.TRUE;
+	}
+
+} //TrueImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/VariableImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/VariableImpl.java
new file mode 100644
index 0000000..b675b99
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/impl/VariableImpl.java
@@ -0,0 +1,163 @@
+/**
+ */
+package nestedcondition.impl;
+
+import nestedcondition.NestedconditionPackage;
+import nestedcondition.Variable;
+
+import org.eclipse.emf.common.notify.Notification;
+
+import org.eclipse.emf.ecore.EClass;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Variable</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedcondition.impl.VariableImpl#getName <em>Name</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class VariableImpl extends MinimalEObjectImpl.Container implements Variable {
+	/**
+	 * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final String NAME_EDEFAULT = null;
+
+	/**
+	 * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected String name = NAME_EDEFAULT;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected VariableImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return NestedconditionPackage.Literals.VARIABLE;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		String oldName = name;
+		name = newName;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconditionPackage.VARIABLE__NAME, oldName, name));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case NestedconditionPackage.VARIABLE__NAME:
+				return getName();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case NestedconditionPackage.VARIABLE__NAME:
+				setName((String)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.VARIABLE__NAME:
+				setName(NAME_EDEFAULT);
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case NestedconditionPackage.VARIABLE__NAME:
+				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (name: ");
+		result.append(name);
+		result.append(')');
+		return result.toString();
+	}
+
+} //VariableImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/util/NestedconditionAdapterFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/util/NestedconditionAdapterFactory.java
new file mode 100644
index 0000000..1e934ff
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/util/NestedconditionAdapterFactory.java
@@ -0,0 +1,264 @@
+/**
+ */
+package nestedcondition.util;
+
+import nestedcondition.*;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.common.notify.impl.AdapterFactoryImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Adapter Factory</b> for the model.
+ * It provides an adapter <code>createXXX</code> method for each class of the model.
+ * <!-- end-user-doc -->
+ * @see nestedcondition.NestedconditionPackage
+ * @generated
+ */
+public class NestedconditionAdapterFactory extends AdapterFactoryImpl {
+	/**
+	 * The cached model package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static NestedconditionPackage modelPackage;
+
+	/**
+	 * Creates an instance of the adapter factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconditionAdapterFactory() {
+		if (modelPackage == null) {
+			modelPackage = NestedconditionPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Returns whether this factory is applicable for the type of the object.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns <code>true</code> if the object is either the model's package or is an instance object of the model.
+	 * <!-- end-user-doc -->
+	 * @return whether this factory is applicable for the type of the object.
+	 * @generated
+	 */
+	@Override
+	public boolean isFactoryForType(Object object) {
+		if (object == modelPackage) {
+			return true;
+		}
+		if (object instanceof EObject) {
+			return ((EObject)object).eClass().getEPackage() == modelPackage;
+		}
+		return false;
+	}
+
+	/**
+	 * The switch that delegates to the <code>createXXX</code> methods.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedconditionSwitch<Adapter> modelSwitch =
+		new NestedconditionSwitch<Adapter>() {
+			@Override
+			public Adapter caseNestedConstraint(NestedConstraint object) {
+				return createNestedConstraintAdapter();
+			}
+			@Override
+			public Adapter caseNestedCondition(NestedCondition object) {
+				return createNestedConditionAdapter();
+			}
+			@Override
+			public Adapter caseVariable(Variable object) {
+				return createVariableAdapter();
+			}
+			@Override
+			public Adapter caseQuantifiedCondition(QuantifiedCondition object) {
+				return createQuantifiedConditionAdapter();
+			}
+			@Override
+			public Adapter caseTrue(True object) {
+				return createTrueAdapter();
+			}
+			@Override
+			public Adapter caseFormula(Formula object) {
+				return createFormulaAdapter();
+			}
+			@Override
+			public Adapter caseMorphism(Morphism object) {
+				return createMorphismAdapter();
+			}
+			@Override
+			public Adapter caseNodeMapping(NodeMapping object) {
+				return createNodeMappingAdapter();
+			}
+			@Override
+			public Adapter caseEdgeMapping(EdgeMapping object) {
+				return createEdgeMappingAdapter();
+			}
+			@Override
+			public Adapter defaultCase(EObject object) {
+				return createEObjectAdapter();
+			}
+		};
+
+	/**
+	 * Creates an adapter for the <code>target</code>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param target the object to adapt.
+	 * @return the adapter for the <code>target</code>.
+	 * @generated
+	 */
+	@Override
+	public Adapter createAdapter(Notifier target) {
+		return modelSwitch.doSwitch((EObject)target);
+	}
+
+
+	/**
+	 * Creates a new adapter for an object of class '{@link nestedcondition.NestedConstraint <em>Nested Constraint</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see nestedcondition.NestedConstraint
+	 * @generated
+	 */
+	public Adapter createNestedConstraintAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link nestedcondition.NestedCondition <em>Nested Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see nestedcondition.NestedCondition
+	 * @generated
+	 */
+	public Adapter createNestedConditionAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link nestedcondition.Variable <em>Variable</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see nestedcondition.Variable
+	 * @generated
+	 */
+	public Adapter createVariableAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link nestedcondition.QuantifiedCondition <em>Quantified Condition</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see nestedcondition.QuantifiedCondition
+	 * @generated
+	 */
+	public Adapter createQuantifiedConditionAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link nestedcondition.True <em>True</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see nestedcondition.True
+	 * @generated
+	 */
+	public Adapter createTrueAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link nestedcondition.Formula <em>Formula</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see nestedcondition.Formula
+	 * @generated
+	 */
+	public Adapter createFormulaAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link nestedcondition.Morphism <em>Morphism</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see nestedcondition.Morphism
+	 * @generated
+	 */
+	public Adapter createMorphismAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link nestedcondition.NodeMapping <em>Node Mapping</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see nestedcondition.NodeMapping
+	 * @generated
+	 */
+	public Adapter createNodeMappingAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for an object of class '{@link nestedcondition.EdgeMapping <em>Edge Mapping</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see nestedcondition.EdgeMapping
+	 * @generated
+	 */
+	public Adapter createEdgeMappingAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for the default case.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @generated
+	 */
+	public Adapter createEObjectAdapter() {
+		return null;
+	}
+
+} //NestedconditionAdapterFactory
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/util/NestedconditionSwitch.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/util/NestedconditionSwitch.java
new file mode 100644
index 0000000..1d593c3
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/util/NestedconditionSwitch.java
@@ -0,0 +1,281 @@
+/**
+ */
+package nestedcondition.util;
+
+import nestedcondition.*;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.util.Switch;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Switch</b> for the model's inheritance hierarchy.
+ * It supports the call {@link #doSwitch(EObject) doSwitch(object)}
+ * to invoke the <code>caseXXX</code> method for each class of the model,
+ * starting with the actual class of the object
+ * and proceeding up the inheritance hierarchy
+ * until a non-null result is returned,
+ * which is the result of the switch.
+ * <!-- end-user-doc -->
+ * @see nestedcondition.NestedconditionPackage
+ * @generated
+ */
+public class NestedconditionSwitch<T> extends Switch<T> {
+	/**
+	 * The cached model package
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static NestedconditionPackage modelPackage;
+
+	/**
+	 * Creates an instance of the switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconditionSwitch() {
+		if (modelPackage == null) {
+			modelPackage = NestedconditionPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Checks whether this is a switch for the given package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param ePackage the package in question.
+	 * @return whether this is a switch for the given package.
+	 * @generated
+	 */
+	@Override
+	protected boolean isSwitchFor(EPackage ePackage) {
+		return ePackage == modelPackage;
+	}
+
+	/**
+	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the first non-null result returned by a <code>caseXXX</code> call.
+	 * @generated
+	 */
+	@Override
+	protected T doSwitch(int classifierID, EObject theEObject) {
+		switch (classifierID) {
+			case NestedconditionPackage.NESTED_CONSTRAINT: {
+				NestedConstraint nestedConstraint = (NestedConstraint)theEObject;
+				T result = caseNestedConstraint(nestedConstraint);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case NestedconditionPackage.NESTED_CONDITION: {
+				NestedCondition nestedCondition = (NestedCondition)theEObject;
+				T result = caseNestedCondition(nestedCondition);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case NestedconditionPackage.VARIABLE: {
+				Variable variable = (Variable)theEObject;
+				T result = caseVariable(variable);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case NestedconditionPackage.QUANTIFIED_CONDITION: {
+				QuantifiedCondition quantifiedCondition = (QuantifiedCondition)theEObject;
+				T result = caseQuantifiedCondition(quantifiedCondition);
+				if (result == null) result = caseNestedCondition(quantifiedCondition);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case NestedconditionPackage.TRUE: {
+				True true_ = (True)theEObject;
+				T result = caseTrue(true_);
+				if (result == null) result = caseNestedCondition(true_);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case NestedconditionPackage.FORMULA: {
+				Formula formula = (Formula)theEObject;
+				T result = caseFormula(formula);
+				if (result == null) result = caseNestedCondition(formula);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case NestedconditionPackage.MORPHISM: {
+				Morphism morphism = (Morphism)theEObject;
+				T result = caseMorphism(morphism);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case NestedconditionPackage.NODE_MAPPING: {
+				NodeMapping nodeMapping = (NodeMapping)theEObject;
+				T result = caseNodeMapping(nodeMapping);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			case NestedconditionPackage.EDGE_MAPPING: {
+				EdgeMapping edgeMapping = (EdgeMapping)theEObject;
+				T result = caseEdgeMapping(edgeMapping);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			default: return defaultCase(theEObject);
+		}
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Nested Constraint</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Nested Constraint</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseNestedConstraint(NestedConstraint object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Nested Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Nested Condition</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseNestedCondition(NestedCondition object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Variable</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Variable</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseVariable(Variable object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Quantified Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Quantified Condition</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseQuantifiedCondition(QuantifiedCondition object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>True</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>True</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseTrue(True object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Formula</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseFormula(Formula object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Morphism</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Morphism</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseMorphism(Morphism object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Node Mapping</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Node Mapping</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseNodeMapping(NodeMapping object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Edge Mapping</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Edge Mapping</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseEdgeMapping(EdgeMapping object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch, but this is the last case anyway.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject)
+	 * @generated
+	 */
+	@Override
+	public T defaultCase(EObject object) {
+		return null;
+	}
+
+} //NestedconditionSwitch
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/util/NestedconditionValidator.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/util/NestedconditionValidator.java
new file mode 100644
index 0000000..da448f9
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/util/NestedconditionValidator.java
@@ -0,0 +1,633 @@
+/**
+ */
+package nestedcondition.util;
+
+import java.util.Map;
+
+import nestedcondition.*;
+
+import org.eclipse.emf.common.util.Diagnostic;
+import org.eclipse.emf.common.util.DiagnosticChain;
+import org.eclipse.emf.common.util.ResourceLocator;
+
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.util.EObjectValidator;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Validator</b> for the model.
+ * <!-- end-user-doc -->
+ * @see nestedcondition.NestedconditionPackage
+ * @generated
+ */
+public class NestedconditionValidator extends EObjectValidator {
+	/**
+	 * The cached model package
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static final NestedconditionValidator INSTANCE = new NestedconditionValidator();
+
+	/**
+	 * A constant for the {@link org.eclipse.emf.common.util.Diagnostic#getSource() source} of diagnostic {@link org.eclipse.emf.common.util.Diagnostic#getCode() codes} from this package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.common.util.Diagnostic#getSource()
+	 * @see org.eclipse.emf.common.util.Diagnostic#getCode()
+	 * @generated
+	 */
+	public static final String DIAGNOSTIC_SOURCE = "nestedcondition";
+
+	/**
+	 * A constant with a fixed name that can be used as the base value for additional hand written constants.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static final int GENERATED_DIAGNOSTIC_CODE_COUNT = 0;
+
+	/**
+	 * A constant with a fixed name that can be used as the base value for additional hand written constants in a derived class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final int DIAGNOSTIC_CODE_COUNT = GENERATED_DIAGNOSTIC_CODE_COUNT;
+
+	/**
+	 * Creates an instance of the switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconditionValidator() {
+		super();
+	}
+
+	/**
+	 * Returns the package of this validator switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EPackage getEPackage() {
+	  return NestedconditionPackage.eINSTANCE;
+	}
+
+	/**
+	 * Calls <code>validateXXX</code> for the corresponding classifier of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected boolean validate(int classifierID, Object value, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		switch (classifierID) {
+			case NestedconditionPackage.NESTED_CONSTRAINT:
+				return validateNestedConstraint((NestedConstraint)value, diagnostics, context);
+			case NestedconditionPackage.NESTED_CONDITION:
+				return validateNestedCondition((NestedCondition)value, diagnostics, context);
+			case NestedconditionPackage.VARIABLE:
+				return validateVariable((Variable)value, diagnostics, context);
+			case NestedconditionPackage.QUANTIFIED_CONDITION:
+				return validateQuantifiedCondition((QuantifiedCondition)value, diagnostics, context);
+			case NestedconditionPackage.TRUE:
+				return validateTrue((True)value, diagnostics, context);
+			case NestedconditionPackage.FORMULA:
+				return validateFormula((Formula)value, diagnostics, context);
+			case NestedconditionPackage.MORPHISM:
+				return validateMorphism((Morphism)value, diagnostics, context);
+			case NestedconditionPackage.NODE_MAPPING:
+				return validateNodeMapping((NodeMapping)value, diagnostics, context);
+			case NestedconditionPackage.EDGE_MAPPING:
+				return validateEdgeMapping((EdgeMapping)value, diagnostics, context);
+			default:
+				return true;
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateNestedConstraint(NestedConstraint nestedConstraint, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		if (!validate_NoCircularContainment(nestedConstraint, diagnostics, context)) return false;
+		boolean result = validate_EveryMultiplicityConforms(nestedConstraint, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryDataValueConforms(nestedConstraint, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryReferenceIsContained(nestedConstraint, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryBidirectionalReferenceIsPaired(nestedConstraint, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryProxyResolves(nestedConstraint, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_UniqueID(nestedConstraint, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryKeyUnique(nestedConstraint, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryMapEntryUnique(nestedConstraint, diagnostics, context);
+		if (result || diagnostics != null) result &= validateNestedConstraint_ConstraintDomainIsEmpty(nestedConstraint, diagnostics, context);
+		if (result || diagnostics != null) result &= validateNestedConstraint_RootConditionDomainIsConatraintDomain(nestedConstraint, diagnostics, context);
+		if (result || diagnostics != null) result &= validateNestedConstraint_TypeGraphConsistency(nestedConstraint, diagnostics, context);
+		if (result || diagnostics != null) result &= validateNestedConstraint_HostGraphConsistency(nestedConstraint, diagnostics, context);
+		return result;
+	}
+
+	/**
+	 * The cached validation expression for the ConstraintDomainIsEmpty constraint of '<em>Nested Constraint</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String NESTED_CONSTRAINT__CONSTRAINT_DOMAIN_IS_EMPTY__EEXPRESSION = "self.domain.nodes -> isEmpty() and self.domain.edges -> isEmpty()";
+
+	/**
+	 * Validates the ConstraintDomainIsEmpty constraint of '<em>Nested Constraint</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateNestedConstraint_ConstraintDomainIsEmpty(NestedConstraint nestedConstraint, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.NESTED_CONSTRAINT,
+				 nestedConstraint,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "ConstraintDomainIsEmpty",
+				 NESTED_CONSTRAINT__CONSTRAINT_DOMAIN_IS_EMPTY__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * The cached validation expression for the RootConditionDomainIsConatraintDomain constraint of '<em>Nested Constraint</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String NESTED_CONSTRAINT__ROOT_CONDITION_DOMAIN_IS_CONATRAINT_DOMAIN__EEXPRESSION = "self.condition.domain = self.domain";
+
+	/**
+	 * Validates the RootConditionDomainIsConatraintDomain constraint of '<em>Nested Constraint</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateNestedConstraint_RootConditionDomainIsConatraintDomain(NestedConstraint nestedConstraint, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.NESTED_CONSTRAINT,
+				 nestedConstraint,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "RootConditionDomainIsConatraintDomain",
+				 NESTED_CONSTRAINT__ROOT_CONDITION_DOMAIN_IS_CONATRAINT_DOMAIN__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * The cached validation expression for the TypeGraphConsistency constraint of '<em>Nested Constraint</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String NESTED_CONSTRAINT__TYPE_GRAPH_CONSISTENCY__EEXPRESSION = "graph::Graph.allInstances() -> forAll(g|g.typegraph = self.typeGraph)";
+
+	/**
+	 * Validates the TypeGraphConsistency constraint of '<em>Nested Constraint</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateNestedConstraint_TypeGraphConsistency(NestedConstraint nestedConstraint, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.NESTED_CONSTRAINT,
+				 nestedConstraint,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "TypeGraphConsistency",
+				 NESTED_CONSTRAINT__TYPE_GRAPH_CONSISTENCY__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * The cached validation expression for the HostGraphConsistency constraint of '<em>Nested Constraint</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String NESTED_CONSTRAINT__HOST_GRAPH_CONSISTENCY__EEXPRESSION = "graph::Graph.allInstances() -> forAll(g|g.edges -> forAll(e|g.nodes -> includes(e.source) and g.nodes -> includes(e.target)))";
+
+	/**
+	 * Validates the HostGraphConsistency constraint of '<em>Nested Constraint</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateNestedConstraint_HostGraphConsistency(NestedConstraint nestedConstraint, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.NESTED_CONSTRAINT,
+				 nestedConstraint,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "HostGraphConsistency",
+				 NESTED_CONSTRAINT__HOST_GRAPH_CONSISTENCY__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateNestedCondition(NestedCondition nestedCondition, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return validate_EveryDefaultConstraint(nestedCondition, diagnostics, context);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateVariable(Variable variable, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return validate_EveryDefaultConstraint(variable, diagnostics, context);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateQuantifiedCondition(QuantifiedCondition quantifiedCondition, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		if (!validate_NoCircularContainment(quantifiedCondition, diagnostics, context)) return false;
+		boolean result = validate_EveryMultiplicityConforms(quantifiedCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryDataValueConforms(quantifiedCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryReferenceIsContained(quantifiedCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryBidirectionalReferenceIsPaired(quantifiedCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryProxyResolves(quantifiedCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_UniqueID(quantifiedCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryKeyUnique(quantifiedCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryMapEntryUnique(quantifiedCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validateQuantifiedCondition_NestedDomainIsCoDomain(quantifiedCondition, diagnostics, context);
+		if (result || diagnostics != null) result &= validateQuantifiedCondition_MorphismIsFromDomainToCoDomain(quantifiedCondition, diagnostics, context);
+		return result;
+	}
+
+	/**
+	 * The cached validation expression for the NestedDomainIsCoDomain constraint of '<em>Quantified Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String QUANTIFIED_CONDITION__NESTED_DOMAIN_IS_CO_DOMAIN__EEXPRESSION = "self.condition.domain = self.codomain";
+
+	/**
+	 * Validates the NestedDomainIsCoDomain constraint of '<em>Quantified Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateQuantifiedCondition_NestedDomainIsCoDomain(QuantifiedCondition quantifiedCondition, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.QUANTIFIED_CONDITION,
+				 quantifiedCondition,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "NestedDomainIsCoDomain",
+				 QUANTIFIED_CONDITION__NESTED_DOMAIN_IS_CO_DOMAIN__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * The cached validation expression for the MorphismIsFromDomainToCoDomain constraint of '<em>Quantified Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String QUANTIFIED_CONDITION__MORPHISM_IS_FROM_DOMAIN_TO_CO_DOMAIN__EEXPRESSION = "self.morphism.from = self.domain and self.morphism.to = self.codomain";
+
+	/**
+	 * Validates the MorphismIsFromDomainToCoDomain constraint of '<em>Quantified Condition</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateQuantifiedCondition_MorphismIsFromDomainToCoDomain(QuantifiedCondition quantifiedCondition, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.QUANTIFIED_CONDITION,
+				 quantifiedCondition,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "MorphismIsFromDomainToCoDomain",
+				 QUANTIFIED_CONDITION__MORPHISM_IS_FROM_DOMAIN_TO_CO_DOMAIN__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateTrue(True true_, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return validate_EveryDefaultConstraint(true_, diagnostics, context);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateFormula(Formula formula, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		if (!validate_NoCircularContainment(formula, diagnostics, context)) return false;
+		boolean result = validate_EveryMultiplicityConforms(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryDataValueConforms(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryReferenceIsContained(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryBidirectionalReferenceIsPaired(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryProxyResolves(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_UniqueID(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryKeyUnique(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryMapEntryUnique(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validateFormula_ArgumentsDomainConsistency(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validateFormula_OneArgumentForNOT(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validateFormula_AtLeastTwoArgumentForANDOR(formula, diagnostics, context);
+		if (result || diagnostics != null) result &= validateFormula_TwoArgumentForIMPLEQUALXOR(formula, diagnostics, context);
+		return result;
+	}
+
+	/**
+	 * The cached validation expression for the ArgumentsDomainConsistency constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String FORMULA__ARGUMENTS_DOMAIN_CONSISTENCY__EEXPRESSION = "self.arguments -> forAll(cond|cond.domain = self.domain)";
+
+	/**
+	 * Validates the ArgumentsDomainConsistency constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateFormula_ArgumentsDomainConsistency(Formula formula, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.FORMULA,
+				 formula,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "ArgumentsDomainConsistency",
+				 FORMULA__ARGUMENTS_DOMAIN_CONSISTENCY__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * The cached validation expression for the OneArgumentForNOT constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String FORMULA__ONE_ARGUMENT_FOR_NOT__EEXPRESSION = "(self.operator = laxcondition::Operator::NOT) implies (self.arguments -> size() = 1)";
+
+	/**
+	 * Validates the OneArgumentForNOT constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateFormula_OneArgumentForNOT(Formula formula, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.FORMULA,
+				 formula,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "OneArgumentForNOT",
+				 FORMULA__ONE_ARGUMENT_FOR_NOT__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * The cached validation expression for the AtLeastTwoArgumentForANDOR constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String FORMULA__AT_LEAST_TWO_ARGUMENT_FOR_ANDOR__EEXPRESSION = "((self.operator = laxcondition::Operator::AND) or (self.operator = laxcondition::Operator::OR)) implies (self.arguments -> size() > 1)";
+
+	/**
+	 * Validates the AtLeastTwoArgumentForANDOR constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateFormula_AtLeastTwoArgumentForANDOR(Formula formula, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.FORMULA,
+				 formula,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "AtLeastTwoArgumentForANDOR",
+				 FORMULA__AT_LEAST_TWO_ARGUMENT_FOR_ANDOR__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * The cached validation expression for the TwoArgumentForIMPLEQUALXOR constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String FORMULA__TWO_ARGUMENT_FOR_IMPLEQUALXOR__EEXPRESSION = "((self.operator = laxcondition::Operator::IMPLIES) or (self.operator = laxcondition::Operator::EQUIVALENT) or (self.operator = laxcondition::Operator::XOR)) implies (self.arguments -> size() = 2)";
+
+	/**
+	 * Validates the TwoArgumentForIMPLEQUALXOR constraint of '<em>Formula</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateFormula_TwoArgumentForIMPLEQUALXOR(Formula formula, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.FORMULA,
+				 formula,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "TwoArgumentForIMPLEQUALXOR",
+				 FORMULA__TWO_ARGUMENT_FOR_IMPLEQUALXOR__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateMorphism(Morphism morphism, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		if (!validate_NoCircularContainment(morphism, diagnostics, context)) return false;
+		boolean result = validate_EveryMultiplicityConforms(morphism, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryDataValueConforms(morphism, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryReferenceIsContained(morphism, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryBidirectionalReferenceIsPaired(morphism, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryProxyResolves(morphism, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_UniqueID(morphism, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryKeyUnique(morphism, diagnostics, context);
+		if (result || diagnostics != null) result &= validate_EveryMapEntryUnique(morphism, diagnostics, context);
+		if (result || diagnostics != null) result &= validateMorphism_NodeMappingIsFromDomainToCoDomain(morphism, diagnostics, context);
+		if (result || diagnostics != null) result &= validateMorphism_EdgeMappingIsFromDomainToCoDomain(morphism, diagnostics, context);
+		if (result || diagnostics != null) result &= validateMorphism_EdgeMappingConsistency(morphism, diagnostics, context);
+		return result;
+	}
+
+	/**
+	 * The cached validation expression for the NodeMappingIsFromDomainToCoDomain constraint of '<em>Morphism</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String MORPHISM__NODE_MAPPING_IS_FROM_DOMAIN_TO_CO_DOMAIN__EEXPRESSION = "self.nodeMappings -> forAll(m|self.from.nodes -> includes(m.origin) and self.to.nodes -> includes(m.image))";
+
+	/**
+	 * Validates the NodeMappingIsFromDomainToCoDomain constraint of '<em>Morphism</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateMorphism_NodeMappingIsFromDomainToCoDomain(Morphism morphism, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.MORPHISM,
+				 morphism,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "NodeMappingIsFromDomainToCoDomain",
+				 MORPHISM__NODE_MAPPING_IS_FROM_DOMAIN_TO_CO_DOMAIN__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * The cached validation expression for the EdgeMappingIsFromDomainToCoDomain constraint of '<em>Morphism</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String MORPHISM__EDGE_MAPPING_IS_FROM_DOMAIN_TO_CO_DOMAIN__EEXPRESSION = "self.edgeMappings -> forAll(m|self.from.edges -> includes(m.origin) and self.to.edges -> includes(m.image))";
+
+	/**
+	 * Validates the EdgeMappingIsFromDomainToCoDomain constraint of '<em>Morphism</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateMorphism_EdgeMappingIsFromDomainToCoDomain(Morphism morphism, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.MORPHISM,
+				 morphism,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "EdgeMappingIsFromDomainToCoDomain",
+				 MORPHISM__EDGE_MAPPING_IS_FROM_DOMAIN_TO_CO_DOMAIN__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * The cached validation expression for the EdgeMappingConsistency constraint of '<em>Morphism</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static final String MORPHISM__EDGE_MAPPING_CONSISTENCY__EEXPRESSION = "self.edgeMappings -> forAll(em|self.nodeMappings -> exists(nm|nm.origin = em.origin.source and nm.image = em.image.source) and self.nodeMappings -> exists(nm|nm.origin = em.origin.target and nm.image = em.image.target))";
+
+	/**
+	 * Validates the EdgeMappingConsistency constraint of '<em>Morphism</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateMorphism_EdgeMappingConsistency(Morphism morphism, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return
+			validate
+				(NestedconditionPackage.Literals.MORPHISM,
+				 morphism,
+				 diagnostics,
+				 context,
+				 "http://www.eclipse.org/emf/2002/Ecore/OCL/Pivot",
+				 "EdgeMappingConsistency",
+				 MORPHISM__EDGE_MAPPING_CONSISTENCY__EEXPRESSION,
+				 Diagnostic.ERROR,
+				 DIAGNOSTIC_SOURCE,
+				 0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateNodeMapping(NodeMapping nodeMapping, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return validate_EveryDefaultConstraint(nodeMapping, diagnostics, context);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public boolean validateEdgeMapping(EdgeMapping edgeMapping, DiagnosticChain diagnostics, Map<Object, Object> context) {
+		return validate_EveryDefaultConstraint(edgeMapping, diagnostics, context);
+	}
+
+	/**
+	 * Returns the resource locator that will be used to fetch messages for this validator's diagnostics.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public ResourceLocator getResourceLocator() {
+		// TODO
+		// Specialize this to return a resource locator for messages specific to this validator.
+		// Ensure that you remove @generated or mark it @generated NOT
+		return super.getResourceLocator();
+	}
+
+} //NestedconditionValidator
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/util/extensions/NestedConditionSimplifier.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/util/extensions/NestedConditionSimplifier.java
new file mode 100644
index 0000000..b7f9693
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedcondition/util/extensions/NestedConditionSimplifier.java
@@ -0,0 +1,424 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package nestedcondition.util.extensions;
+
+import org.eclipse.emf.common.util.TreeIterator;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.util.EcoreUtil.Copier;
+
+import graph.Edge;
+import graph.Graph;
+import graph.Node;
+import laxcondition.Operator;
+import laxcondition.Quantifier;
+import nestedcondition.EdgeMapping;
+import nestedcondition.Formula;
+import nestedcondition.Morphism;
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedConstraint;
+import nestedcondition.NestedconditionFactory;
+import nestedcondition.NodeMapping;
+import nestedcondition.QuantifiedCondition;
+import nestedcondition.True;
+
+public class NestedConditionSimplifier {
+
+	private NestedConstraint constraint;
+	private NestedconditionFactory factory;
+
+	public NestedConditionSimplifier(NestedConstraint constraint) {
+		this.constraint = constraint;
+		this.factory = NestedconditionFactory.eINSTANCE;
+	}
+
+	public boolean simplify() {
+		if (simplifyTrueOrFalseInFormula()) {
+			return simplify();
+		}
+		if (simplifyNotNot()) {
+			return simplify();
+		}
+		if (simplifyImplies()) {
+			return simplify();
+		}
+		if (simplifyEquivalent()) {
+			return simplify();
+		}
+		if (simplifyXor()) {
+			return simplify();
+		}
+		if (simplifyExists()) {
+			return simplify();
+		}
+		if (simplifyForAll()) {
+			return simplify();
+		}
+		return true;
+	}
+
+	private boolean simplifyExists() {
+		TreeIterator<EObject> iter = constraint.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (isExistsCondition(eObject)) {
+				QuantifiedCondition outerCondition = (QuantifiedCondition) eObject;
+				NestedCondition cond = outerCondition.getCondition();
+				if (isExistsCondition(cond)) {
+					QuantifiedCondition innerCondition = (QuantifiedCondition) cond;
+					Morphism outerMorphism = outerCondition.getMorphism();
+					Morphism innerMorphism = innerCondition.getMorphism();
+					for (EdgeMapping outerEM : outerMorphism.getEdgeMappings()) {
+						Edge gluingEdge = outerEM.getImage();
+						for (EdgeMapping innerEM : innerMorphism.getEdgeMappings()) {
+							if (innerEM.getOrigin() == gluingEdge) {
+								outerEM.setImage(innerEM.getImage());
+								break;
+							}
+						}
+					}
+					for (NodeMapping outerNM : outerMorphism.getNodeMappings()) {
+						Node gluingNode = outerNM.getImage();
+						for (NodeMapping innerNM : innerMorphism.getNodeMappings()) {
+							if (innerNM.getOrigin() == gluingNode) {
+								outerNM.setImage(innerNM.getImage());
+								break;
+							}
+						}
+					}
+					outerMorphism.setTo(innerMorphism.getTo());
+					Graph innerDomain = innerCondition.getCodomain();
+					innerCondition.setCodomain(null);
+					outerCondition.setCodomain(innerDomain);
+					NestedCondition innerInnerCondition = innerCondition.getCondition();
+					innerCondition.setCondition(null);
+					outerCondition.setCondition(innerInnerCondition);
+				}
+			}
+		}
+		return false;
+	}
+
+	private boolean simplifyForAll() {
+		TreeIterator<EObject> iter = constraint.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (isForAllCondition(eObject)) {
+				QuantifiedCondition outerCondition = (QuantifiedCondition) eObject;
+				NestedCondition cond = outerCondition.getCondition();
+				if (isForAllCondition(cond)) {
+					QuantifiedCondition innerCondition = (QuantifiedCondition) cond;
+					Morphism outerMorphism = outerCondition.getMorphism();
+					Morphism innerMorphism = innerCondition.getMorphism();
+					for (EdgeMapping outerEM : outerMorphism.getEdgeMappings()) {
+						Edge gluingEdge = outerEM.getImage();
+						for (EdgeMapping innerEM : innerMorphism.getEdgeMappings()) {
+							if (innerEM.getOrigin() == gluingEdge) {
+								outerEM.setImage(innerEM.getImage());
+								break;
+							}
+						}
+					}
+					for (NodeMapping outerNM : outerMorphism.getNodeMappings()) {
+						Node gluingNode = outerNM.getImage();
+						for (NodeMapping innerNM : innerMorphism.getNodeMappings()) {
+							if (innerNM.getOrigin() == gluingNode) {
+								outerNM.setImage(innerNM.getImage());
+								break;
+							}
+						}
+					}
+					outerMorphism.setTo(innerMorphism.getTo());
+					Graph innerDomain = innerCondition.getCodomain();
+					innerCondition.setCodomain(null);
+					outerCondition.setCodomain(innerDomain);
+					NestedCondition innerInnerCondition = innerCondition.getCondition();
+					innerCondition.setCondition(null);
+					outerCondition.setCondition(innerInnerCondition);
+				}
+			}
+		}
+		return false;
+	}
+
+	private boolean simplifyXor() {
+		TreeIterator<EObject> iter = constraint.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (isXorFormula(eObject)) {
+				Formula formula = (Formula) eObject;
+				Formula firstArg = (Formula) getCopy(formula);
+				Formula secondArg = (Formula) getCopy(formula);
+				swapArguments(secondArg);
+				negateFirstArgument(firstArg);
+				negateFirstArgument(secondArg);
+				firstArg.setOperator(Operator.AND);
+				secondArg.setOperator(Operator.AND);
+				formula.setOperator(Operator.OR);
+				formula.getArguments().set(0, firstArg);
+				formula.getArguments().set(1, secondArg);
+				return true;
+			}
+		}
+		return false;
+	}
+
+	private void negateFirstArgument(Formula formula) {
+		NestedCondition firstArgument = formula.getArguments().get(0);
+		Formula notFormula = factory.createFormula();
+		notFormula.setOperator(Operator.NOT);
+		formula.getArguments().set(0, notFormula);
+		notFormula.getArguments().add(firstArgument);
+	}
+
+	private boolean simplifyEquivalent() {
+		TreeIterator<EObject> iter = constraint.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (isEquivalentFormula(eObject)) {
+				Formula formula = (Formula) eObject;
+				Formula firstArg = (Formula) getCopy(formula);
+				Formula secondArg = (Formula) getCopy(formula);
+				swapArguments(secondArg);
+				firstArg.setOperator(Operator.IMPLIES);
+				secondArg.setOperator(Operator.IMPLIES);
+				formula.setOperator(Operator.AND);
+				formula.getArguments().set(0, firstArg);
+				formula.getArguments().set(1, secondArg);
+				return true;
+			}
+		}
+		return false;
+	}
+
+	private void swapArguments(Formula formula) {
+		NestedCondition arg1 = formula.getArguments().get(0);
+		NestedCondition arg2 = formula.getArguments().get(1);
+		formula.getArguments().set(0, arg2);
+		formula.getArguments().set(1, arg1);
+	}
+
+	private EObject getCopy(EObject original) {
+		Copier copier = new Copier();
+		EObject copy = copier.copy(original);
+		copier.copyReferences();
+		return copy;
+	}
+
+	private boolean simplifyImplies() {
+		TreeIterator<EObject> iter = constraint.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (isImpliesFormula(eObject)) {
+				Formula formula = (Formula) eObject;
+				NestedCondition arg1 = formula.getArguments().get(0);
+				Formula notFormula = factory.createFormula();
+				notFormula.setDomain(formula.getDomain());
+				notFormula.setOperator(Operator.NOT);
+				formula.setOperator(Operator.OR);
+				formula.getArguments().set(0, notFormula);
+				notFormula.getArguments().add(arg1);
+				return true;
+			}
+		}
+		return false;
+	}
+
+	private boolean simplifyTrueOrFalseInFormula() {
+		TreeIterator<EObject> iter = constraint.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (isAndFormula(eObject)) {
+				Formula formula = (Formula) eObject;
+				EObject container = formula.eContainer();
+				NestedCondition arg1 = formula.getArguments().get(0);
+				NestedCondition arg2 = formula.getArguments().get(1);
+				if (isTrue(arg1)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg2);
+					} else {
+						return removeArgument(formula, arg1);
+					}
+				}
+				if (isTrue(arg2)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg1);
+					} else {
+						return removeArgument(formula, arg2);
+					}
+				}
+				if (isFalse(arg1)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg1);
+					} else {
+						return removeArgument(formula, arg2);
+					}
+				}
+				if (isFalse(arg2)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg2);
+					} else {
+						return removeArgument(formula, arg1);
+					}
+				}
+			}
+			if (isOrFormula(eObject)) {
+				Formula formula = (Formula) eObject;
+				EObject container = formula.eContainer();
+				NestedCondition arg1 = formula.getArguments().get(0);
+				NestedCondition arg2 = formula.getArguments().get(1);
+				if (isTrue(arg1)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg1);
+					} else {
+						return removeArgument(formula, arg2);
+					}
+				}
+				if (isTrue(arg2)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg2);
+					} else {
+						return removeArgument(formula, arg1);
+					}
+				}
+				if (isFalse(arg1)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg2);
+					} else {
+						return removeArgument(formula, arg1);
+					}
+				}
+				if (isFalse(arg2)) {
+					if (twoArguments(formula)) {
+						return insert(container, formula, arg1);
+					} else {
+						return removeArgument(formula, arg2);
+					}
+				}
+			}
+		}
+		return false;
+	}
+
+	private boolean removeArgument(Formula formula, NestedCondition cond) {
+		return formula.getArguments().remove(cond);
+	}
+
+	private boolean twoArguments(Formula formula) {
+		return (formula.getArguments().size() == 2);
+	}
+
+	private boolean isFalse(NestedCondition cond) {
+		if (isNotFormula(cond)) {
+			Formula formula = (Formula) cond;
+			return isTrue(formula.getArguments().get(0));
+		}
+		return false;
+	}
+
+	private boolean isTrue(NestedCondition cond) {
+		return (cond instanceof True);
+	}
+
+	private boolean simplifyNotNot() {
+		TreeIterator<EObject> iter = constraint.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (isNotFormula(eObject)) {
+				Formula formula = (Formula) eObject;
+				if (isNotFormula(formula.getArguments().get(0))) {
+					Formula innerFormula = (Formula) formula.getArguments().get(0);
+					NestedCondition innerCondition = innerFormula.getArguments().get(0);
+					EObject container = formula.eContainer();
+					return insert(container, formula, innerCondition);
+				}
+			}
+		}
+		return false;
+	}
+
+	private boolean insert(EObject container, NestedCondition oldContent, NestedCondition newContent) {
+		if (container == constraint) {
+			constraint.setCondition(newContent);
+			return true;
+		}
+		if (container instanceof QuantifiedCondition) {
+			QuantifiedCondition qlc = (QuantifiedCondition) container;
+			qlc.setCondition(newContent);
+			return true;
+		}
+		if (container instanceof Formula) {
+			Formula f = (Formula) container;
+			int index = f.getArguments().indexOf(oldContent);
+			f.getArguments().set(index, newContent);
+			return true;
+		}
+		return false;
+	}
+
+	private boolean isNotFormula(EObject eObject) {
+		if (eObject instanceof Formula) {
+			Formula formula = (Formula) eObject;
+			return (formula.getOperator().equals(Operator.NOT));
+		}
+		return false;
+	}
+
+	private boolean isAndFormula(EObject eObject) {
+		if (eObject instanceof Formula) {
+			Formula formula = (Formula) eObject;
+			return (formula.getOperator().equals(Operator.AND));
+		}
+		return false;
+	}
+
+	private boolean isOrFormula(EObject eObject) {
+		if (eObject instanceof Formula) {
+			Formula formula = (Formula) eObject;
+			return (formula.getOperator().equals(Operator.OR));
+		}
+		return false;
+	}
+
+	private boolean isImpliesFormula(EObject eObject) {
+		if (eObject instanceof Formula) {
+			Formula formula = (Formula) eObject;
+			return (formula.getOperator().equals(Operator.IMPLIES));
+		}
+		return false;
+	}
+
+	private boolean isEquivalentFormula(EObject eObject) {
+		if (eObject instanceof Formula) {
+			Formula formula = (Formula) eObject;
+			return (formula.getOperator().equals(Operator.EQUIVALENT));
+		}
+		return false;
+	}
+
+	private boolean isXorFormula(EObject eObject) {
+		if (eObject instanceof Formula) {
+			Formula formula = (Formula) eObject;
+			return (formula.getOperator().equals(Operator.XOR));
+		}
+		return false;
+	}
+
+	private boolean isExistsCondition(EObject eObject) {
+		if (eObject instanceof QuantifiedCondition) {
+			QuantifiedCondition cond = (QuantifiedCondition) eObject;
+			return (cond.getQuantifier().equals(Quantifier.EXISTS));
+		}
+		return false;
+	}
+
+	private boolean isForAllCondition(EObject eObject) {
+		if (eObject instanceof QuantifiedCondition) {
+			QuantifiedCondition cond = (QuantifiedCondition) eObject;
+			return (cond.getQuantifier().equals(Quantifier.FORALL));
+		}
+		return false;
+	}
+}
\ No newline at end of file
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/NestedConstraintModel.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/NestedConstraintModel.java
new file mode 100644
index 0000000..d73dc64
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/NestedConstraintModel.java
@@ -0,0 +1,71 @@
+/**
+ */
+package nestedconstraintmodel;
+
+import nestedcondition.NestedConstraint;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * A representation of the model object '<em><b>Nested Constraint Model</b></em>'.
+ * <!-- end-user-doc -->
+ *
+ * <p>
+ * The following features are supported:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedconstraintmodel.NestedConstraintModel#getName <em>Name</em>}</li>
+ *   <li>{@link nestedconstraintmodel.NestedConstraintModel#getNestedconstrainmodels <em>Nestedconstrainmodels</em>}</li>
+ * </ul>
+ *
+ * @see nestedconstraintmodel.NestedconstraintmodelPackage#getNestedConstraintModel()
+ * @model
+ * @generated
+ */
+public interface NestedConstraintModel extends EObject {
+	/**
+	 * Returns the value of the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Name</em>' attribute isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Name</em>' attribute.
+	 * @see #setName(String)
+	 * @see nestedconstraintmodel.NestedconstraintmodelPackage#getNestedConstraintModel_Name()
+	 * @model
+	 * @generated
+	 */
+	String getName();
+
+	/**
+	 * Sets the value of the '{@link nestedconstraintmodel.NestedConstraintModel#getName <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param value the new value of the '<em>Name</em>' attribute.
+	 * @see #getName()
+	 * @generated
+	 */
+	void setName(String value);
+
+	/**
+	 * Returns the value of the '<em><b>Nestedconstrainmodels</b></em>' containment reference list.
+	 * The list contents are of type {@link nestedcondition.NestedConstraint}.
+	 * <!-- begin-user-doc -->
+	 * <p>
+	 * If the meaning of the '<em>Nestedconstrainmodels</em>' containment reference list isn't clear,
+	 * there really should be more of a description here...
+	 * </p>
+	 * <!-- end-user-doc -->
+	 * @return the value of the '<em>Nestedconstrainmodels</em>' containment reference list.
+	 * @see nestedconstraintmodel.NestedconstraintmodelPackage#getNestedConstraintModel_Nestedconstrainmodels()
+	 * @model containment="true"
+	 * @generated
+	 */
+	EList<NestedConstraint> getNestedconstrainmodels();
+
+} // NestedConstraintModel
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/NestedconstraintmodelFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/NestedconstraintmodelFactory.java
new file mode 100644
index 0000000..10b8579
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/NestedconstraintmodelFactory.java
@@ -0,0 +1,42 @@
+/**
+ */
+package nestedconstraintmodel;
+
+import org.eclipse.emf.ecore.EFactory;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Factory</b> for the model.
+ * It provides a create method for each non-abstract class of the model.
+ * <!-- end-user-doc -->
+ * @see nestedconstraintmodel.NestedconstraintmodelPackage
+ * @generated
+ */
+public interface NestedconstraintmodelFactory extends EFactory {
+	/**
+	 * The singleton instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	NestedconstraintmodelFactory eINSTANCE = nestedconstraintmodel.impl.NestedconstraintmodelFactoryImpl.init();
+
+	/**
+	 * Returns a new object of class '<em>Nested Constraint Model</em>'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return a new object of class '<em>Nested Constraint Model</em>'.
+	 * @generated
+	 */
+	NestedConstraintModel createNestedConstraintModel();
+
+	/**
+	 * Returns the package supported by this factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the package supported by this factory.
+	 * @generated
+	 */
+	NestedconstraintmodelPackage getNestedconstraintmodelPackage();
+
+} //NestedconstraintmodelFactory
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/NestedconstraintmodelPackage.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/NestedconstraintmodelPackage.java
new file mode 100644
index 0000000..327a01f
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/NestedconstraintmodelPackage.java
@@ -0,0 +1,189 @@
+/**
+ */
+package nestedconstraintmodel;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Package</b> for the model.
+ * It contains accessors for the meta objects to represent
+ * <ul>
+ *   <li>each class,</li>
+ *   <li>each feature of each class,</li>
+ *   <li>each operation of each class,</li>
+ *   <li>each enum,</li>
+ *   <li>and each data type</li>
+ * </ul>
+ * <!-- end-user-doc -->
+ * @see nestedconstraintmodel.NestedconstraintmodelFactory
+ * @model kind="package"
+ * @generated
+ */
+public interface NestedconstraintmodelPackage extends EPackage {
+	/**
+	 * The package name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNAME = "nestedconstraintmodel";
+
+	/**
+	 * The package namespace URI.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_URI = "http://www.example.org/nestedconstraintmodel";
+
+	/**
+	 * The package namespace name.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	String eNS_PREFIX = "nestedconstraintmodel";
+
+	/**
+	 * The singleton instance of the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	NestedconstraintmodelPackage eINSTANCE = nestedconstraintmodel.impl.NestedconstraintmodelPackageImpl.init();
+
+	/**
+	 * The meta object id for the '{@link nestedconstraintmodel.impl.NestedConstraintModelImpl <em>Nested Constraint Model</em>}' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see nestedconstraintmodel.impl.NestedConstraintModelImpl
+	 * @see nestedconstraintmodel.impl.NestedconstraintmodelPackageImpl#getNestedConstraintModel()
+	 * @generated
+	 */
+	int NESTED_CONSTRAINT_MODEL = 0;
+
+	/**
+	 * The feature id for the '<em><b>Name</b></em>' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONSTRAINT_MODEL__NAME = 0;
+
+	/**
+	 * The feature id for the '<em><b>Nestedconstrainmodels</b></em>' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONSTRAINT_MODEL__NESTEDCONSTRAINMODELS = 1;
+
+	/**
+	 * The number of structural features of the '<em>Nested Constraint Model</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONSTRAINT_MODEL_FEATURE_COUNT = 2;
+
+	/**
+	 * The number of operations of the '<em>Nested Constraint Model</em>' class.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 * @ordered
+	 */
+	int NESTED_CONSTRAINT_MODEL_OPERATION_COUNT = 0;
+
+
+	/**
+	 * Returns the meta object for class '{@link nestedconstraintmodel.NestedConstraintModel <em>Nested Constraint Model</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for class '<em>Nested Constraint Model</em>'.
+	 * @see nestedconstraintmodel.NestedConstraintModel
+	 * @generated
+	 */
+	EClass getNestedConstraintModel();
+
+	/**
+	 * Returns the meta object for the attribute '{@link nestedconstraintmodel.NestedConstraintModel#getName <em>Name</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the attribute '<em>Name</em>'.
+	 * @see nestedconstraintmodel.NestedConstraintModel#getName()
+	 * @see #getNestedConstraintModel()
+	 * @generated
+	 */
+	EAttribute getNestedConstraintModel_Name();
+
+	/**
+	 * Returns the meta object for the containment reference list '{@link nestedconstraintmodel.NestedConstraintModel#getNestedconstrainmodels <em>Nestedconstrainmodels</em>}'.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the meta object for the containment reference list '<em>Nestedconstrainmodels</em>'.
+	 * @see nestedconstraintmodel.NestedConstraintModel#getNestedconstrainmodels()
+	 * @see #getNestedConstraintModel()
+	 * @generated
+	 */
+	EReference getNestedConstraintModel_Nestedconstrainmodels();
+
+	/**
+	 * Returns the factory that creates the instances of the model.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the factory that creates the instances of the model.
+	 * @generated
+	 */
+	NestedconstraintmodelFactory getNestedconstraintmodelFactory();
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * Defines literals for the meta objects that represent
+	 * <ul>
+	 *   <li>each class,</li>
+	 *   <li>each feature of each class,</li>
+	 *   <li>each operation of each class,</li>
+	 *   <li>each enum,</li>
+	 *   <li>and each data type</li>
+	 * </ul>
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	interface Literals {
+		/**
+		 * The meta object literal for the '{@link nestedconstraintmodel.impl.NestedConstraintModelImpl <em>Nested Constraint Model</em>}' class.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @see nestedconstraintmodel.impl.NestedConstraintModelImpl
+		 * @see nestedconstraintmodel.impl.NestedconstraintmodelPackageImpl#getNestedConstraintModel()
+		 * @generated
+		 */
+		EClass NESTED_CONSTRAINT_MODEL = eINSTANCE.getNestedConstraintModel();
+
+		/**
+		 * The meta object literal for the '<em><b>Name</b></em>' attribute feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EAttribute NESTED_CONSTRAINT_MODEL__NAME = eINSTANCE.getNestedConstraintModel_Name();
+
+		/**
+		 * The meta object literal for the '<em><b>Nestedconstrainmodels</b></em>' containment reference list feature.
+		 * <!-- begin-user-doc -->
+		 * <!-- end-user-doc -->
+		 * @generated
+		 */
+		EReference NESTED_CONSTRAINT_MODEL__NESTEDCONSTRAINMODELS = eINSTANCE.getNestedConstraintModel_Nestedconstrainmodels();
+
+	}
+
+} //NestedconstraintmodelPackage
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/impl/NestedConstraintModelImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/impl/NestedConstraintModelImpl.java
new file mode 100644
index 0000000..bf22e06
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/impl/NestedConstraintModelImpl.java
@@ -0,0 +1,223 @@
+/**
+ */
+package nestedconstraintmodel.impl;
+
+import java.util.Collection;
+
+import nestedcondition.NestedConstraint;
+
+import nestedconstraintmodel.NestedConstraintModel;
+import nestedconstraintmodel.NestedconstraintmodelPackage;
+
+import org.eclipse.emf.common.notify.Notification;
+import org.eclipse.emf.common.notify.NotificationChain;
+
+import org.eclipse.emf.common.util.EList;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.InternalEObject;
+
+import org.eclipse.emf.ecore.impl.ENotificationImpl;
+import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
+
+import org.eclipse.emf.ecore.util.EObjectContainmentEList;
+import org.eclipse.emf.ecore.util.InternalEList;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model object '<em><b>Nested Constraint Model</b></em>'.
+ * <!-- end-user-doc -->
+ * <p>
+ * The following features are implemented:
+ * </p>
+ * <ul>
+ *   <li>{@link nestedconstraintmodel.impl.NestedConstraintModelImpl#getName <em>Name</em>}</li>
+ *   <li>{@link nestedconstraintmodel.impl.NestedConstraintModelImpl#getNestedconstrainmodels <em>Nestedconstrainmodels</em>}</li>
+ * </ul>
+ *
+ * @generated
+ */
+public class NestedConstraintModelImpl extends MinimalEObjectImpl.Container implements NestedConstraintModel {
+	/**
+	 * The default value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected static final String NAME_EDEFAULT = null;
+
+	/**
+	 * The cached value of the '{@link #getName() <em>Name</em>}' attribute.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getName()
+	 * @generated
+	 * @ordered
+	 */
+	protected String name = NAME_EDEFAULT;
+
+	/**
+	 * The cached value of the '{@link #getNestedconstrainmodels() <em>Nestedconstrainmodels</em>}' containment reference list.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #getNestedconstrainmodels()
+	 * @generated
+	 * @ordered
+	 */
+	protected EList<NestedConstraint> nestedconstrainmodels;
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedConstraintModelImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	protected EClass eStaticClass() {
+		return NestedconstraintmodelPackage.Literals.NESTED_CONSTRAINT_MODEL;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public String getName() {
+		return name;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void setName(String newName) {
+		String oldName = name;
+		name = newName;
+		if (eNotificationRequired())
+			eNotify(new ENotificationImpl(this, Notification.SET, NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NAME, oldName, name));
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EList<NestedConstraint> getNestedconstrainmodels() {
+		if (nestedconstrainmodels == null) {
+			nestedconstrainmodels = new EObjectContainmentEList<NestedConstraint>(NestedConstraint.class, this, NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NESTEDCONSTRAINMODELS);
+		}
+		return nestedconstrainmodels;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
+		switch (featureID) {
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NESTEDCONSTRAINMODELS:
+				return ((InternalEList<?>)getNestedconstrainmodels()).basicRemove(otherEnd, msgs);
+		}
+		return super.eInverseRemove(otherEnd, featureID, msgs);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public Object eGet(int featureID, boolean resolve, boolean coreType) {
+		switch (featureID) {
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NAME:
+				return getName();
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NESTEDCONSTRAINMODELS:
+				return getNestedconstrainmodels();
+		}
+		return super.eGet(featureID, resolve, coreType);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@SuppressWarnings("unchecked")
+	@Override
+	public void eSet(int featureID, Object newValue) {
+		switch (featureID) {
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NAME:
+				setName((String)newValue);
+				return;
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NESTEDCONSTRAINMODELS:
+				getNestedconstrainmodels().clear();
+				getNestedconstrainmodels().addAll((Collection<? extends NestedConstraint>)newValue);
+				return;
+		}
+		super.eSet(featureID, newValue);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public void eUnset(int featureID) {
+		switch (featureID) {
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NAME:
+				setName(NAME_EDEFAULT);
+				return;
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NESTEDCONSTRAINMODELS:
+				getNestedconstrainmodels().clear();
+				return;
+		}
+		super.eUnset(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public boolean eIsSet(int featureID) {
+		switch (featureID) {
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NAME:
+				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL__NESTEDCONSTRAINMODELS:
+				return nestedconstrainmodels != null && !nestedconstrainmodels.isEmpty();
+		}
+		return super.eIsSet(featureID);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public String toString() {
+		if (eIsProxy()) return super.toString();
+
+		StringBuffer result = new StringBuffer(super.toString());
+		result.append(" (name: ");
+		result.append(name);
+		result.append(')');
+		return result.toString();
+	}
+
+} //NestedConstraintModelImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/impl/NestedconstraintmodelFactoryImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/impl/NestedconstraintmodelFactoryImpl.java
new file mode 100644
index 0000000..4fce3b0
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/impl/NestedconstraintmodelFactoryImpl.java
@@ -0,0 +1,95 @@
+/**
+ */
+package nestedconstraintmodel.impl;
+
+import nestedconstraintmodel.*;
+
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.impl.EFactoryImpl;
+
+import org.eclipse.emf.ecore.plugin.EcorePlugin;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Factory</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedconstraintmodelFactoryImpl extends EFactoryImpl implements NestedconstraintmodelFactory {
+	/**
+	 * Creates the default factory implementation.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public static NestedconstraintmodelFactory init() {
+		try {
+			NestedconstraintmodelFactory theNestedconstraintmodelFactory = (NestedconstraintmodelFactory)EPackage.Registry.INSTANCE.getEFactory(NestedconstraintmodelPackage.eNS_URI);
+			if (theNestedconstraintmodelFactory != null) {
+				return theNestedconstraintmodelFactory;
+			}
+		}
+		catch (Exception exception) {
+			EcorePlugin.INSTANCE.log(exception);
+		}
+		return new NestedconstraintmodelFactoryImpl();
+	}
+
+	/**
+	 * Creates an instance of the factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconstraintmodelFactoryImpl() {
+		super();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	@Override
+	public EObject create(EClass eClass) {
+		switch (eClass.getClassifierID()) {
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL: return createNestedConstraintModel();
+			default:
+				throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
+		}
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedConstraintModel createNestedConstraintModel() {
+		NestedConstraintModelImpl nestedConstraintModel = new NestedConstraintModelImpl();
+		return nestedConstraintModel;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconstraintmodelPackage getNestedconstraintmodelPackage() {
+		return (NestedconstraintmodelPackage)getEPackage();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @deprecated
+	 * @generated
+	 */
+	@Deprecated
+	public static NestedconstraintmodelPackage getPackage() {
+		return NestedconstraintmodelPackage.eINSTANCE;
+	}
+
+} //NestedconstraintmodelFactoryImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/impl/NestedconstraintmodelPackageImpl.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/impl/NestedconstraintmodelPackageImpl.java
new file mode 100644
index 0000000..05c5d09
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/impl/NestedconstraintmodelPackageImpl.java
@@ -0,0 +1,215 @@
+/**
+ */
+package nestedconstraintmodel.impl;
+
+import graph.GraphPackage;
+
+import graph.impl.GraphPackageImpl;
+
+import laxcondition.LaxconditionPackage;
+
+import laxcondition.impl.LaxconditionPackageImpl;
+
+import nestedcondition.NestedconditionPackage;
+
+import nestedcondition.impl.NestedconditionPackageImpl;
+
+import nestedconstraintmodel.NestedConstraintModel;
+import nestedconstraintmodel.NestedconstraintmodelFactory;
+import nestedconstraintmodel.NestedconstraintmodelPackage;
+
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+
+import org.eclipse.emf.ecore.impl.EPackageImpl;
+
+/**
+ * <!-- begin-user-doc -->
+ * An implementation of the model <b>Package</b>.
+ * <!-- end-user-doc -->
+ * @generated
+ */
+public class NestedconstraintmodelPackageImpl extends EPackageImpl implements NestedconstraintmodelPackage {
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private EClass nestedConstraintModelEClass = null;
+
+	/**
+	 * Creates an instance of the model <b>Package</b>, registered with
+	 * {@link org.eclipse.emf.ecore.EPackage.Registry EPackage.Registry} by the package
+	 * package URI value.
+	 * <p>Note: the correct way to create the package is via the static
+	 * factory method {@link #init init()}, which also performs
+	 * initialization of the package, or returns the registered package,
+	 * if one already exists.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see org.eclipse.emf.ecore.EPackage.Registry
+	 * @see nestedconstraintmodel.NestedconstraintmodelPackage#eNS_URI
+	 * @see #init()
+	 * @generated
+	 */
+	private NestedconstraintmodelPackageImpl() {
+		super(eNS_URI, NestedconstraintmodelFactory.eINSTANCE);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private static boolean isInited = false;
+
+	/**
+	 * Creates, registers, and initializes the <b>Package</b> for this model, and for any others upon which it depends.
+	 * 
+	 * <p>This method is used to initialize {@link NestedconstraintmodelPackage#eINSTANCE} when that field is accessed.
+	 * Clients should not invoke it directly. Instead, they should simply access that field to obtain the package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @see #eNS_URI
+	 * @see #createPackageContents()
+	 * @see #initializePackageContents()
+	 * @generated
+	 */
+	public static NestedconstraintmodelPackage init() {
+		if (isInited) return (NestedconstraintmodelPackage)EPackage.Registry.INSTANCE.getEPackage(NestedconstraintmodelPackage.eNS_URI);
+
+		// Obtain or create and register package
+		NestedconstraintmodelPackageImpl theNestedconstraintmodelPackage = (NestedconstraintmodelPackageImpl)(EPackage.Registry.INSTANCE.get(eNS_URI) instanceof NestedconstraintmodelPackageImpl ? EPackage.Registry.INSTANCE.get(eNS_URI) : new NestedconstraintmodelPackageImpl());
+
+		isInited = true;
+
+		// Obtain or create and register interdependencies
+		NestedconditionPackageImpl theNestedconditionPackage = (NestedconditionPackageImpl)(EPackage.Registry.INSTANCE.getEPackage(NestedconditionPackage.eNS_URI) instanceof NestedconditionPackageImpl ? EPackage.Registry.INSTANCE.getEPackage(NestedconditionPackage.eNS_URI) : NestedconditionPackage.eINSTANCE);
+		GraphPackageImpl theGraphPackage = (GraphPackageImpl)(EPackage.Registry.INSTANCE.getEPackage(GraphPackage.eNS_URI) instanceof GraphPackageImpl ? EPackage.Registry.INSTANCE.getEPackage(GraphPackage.eNS_URI) : GraphPackage.eINSTANCE);
+		LaxconditionPackageImpl theLaxconditionPackage = (LaxconditionPackageImpl)(EPackage.Registry.INSTANCE.getEPackage(LaxconditionPackage.eNS_URI) instanceof LaxconditionPackageImpl ? EPackage.Registry.INSTANCE.getEPackage(LaxconditionPackage.eNS_URI) : LaxconditionPackage.eINSTANCE);
+
+		// Create package meta-data objects
+		theNestedconstraintmodelPackage.createPackageContents();
+		theNestedconditionPackage.createPackageContents();
+		theGraphPackage.createPackageContents();
+		theLaxconditionPackage.createPackageContents();
+
+		// Initialize created meta-data
+		theNestedconstraintmodelPackage.initializePackageContents();
+		theNestedconditionPackage.initializePackageContents();
+		theGraphPackage.initializePackageContents();
+		theLaxconditionPackage.initializePackageContents();
+
+		// Mark meta-data to indicate it can't be changed
+		theNestedconstraintmodelPackage.freeze();
+
+  
+		// Update the registry and return the package
+		EPackage.Registry.INSTANCE.put(NestedconstraintmodelPackage.eNS_URI, theNestedconstraintmodelPackage);
+		return theNestedconstraintmodelPackage;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EClass getNestedConstraintModel() {
+		return nestedConstraintModelEClass;
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EAttribute getNestedConstraintModel_Name() {
+		return (EAttribute)nestedConstraintModelEClass.getEStructuralFeatures().get(0);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public EReference getNestedConstraintModel_Nestedconstrainmodels() {
+		return (EReference)nestedConstraintModelEClass.getEStructuralFeatures().get(1);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconstraintmodelFactory getNestedconstraintmodelFactory() {
+		return (NestedconstraintmodelFactory)getEFactoryInstance();
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isCreated = false;
+
+	/**
+	 * Creates the meta-model objects for the package.  This method is
+	 * guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void createPackageContents() {
+		if (isCreated) return;
+		isCreated = true;
+
+		// Create classes and their features
+		nestedConstraintModelEClass = createEClass(NESTED_CONSTRAINT_MODEL);
+		createEAttribute(nestedConstraintModelEClass, NESTED_CONSTRAINT_MODEL__NAME);
+		createEReference(nestedConstraintModelEClass, NESTED_CONSTRAINT_MODEL__NESTEDCONSTRAINMODELS);
+	}
+
+	/**
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	private boolean isInitialized = false;
+
+	/**
+	 * Complete the initialization of the package and its meta-model.  This
+	 * method is guarded to have no affect on any invocation but its first.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public void initializePackageContents() {
+		if (isInitialized) return;
+		isInitialized = true;
+
+		// Initialize package
+		setName(eNAME);
+		setNsPrefix(eNS_PREFIX);
+		setNsURI(eNS_URI);
+
+		// Obtain other dependent packages
+		NestedconditionPackage theNestedconditionPackage = (NestedconditionPackage)EPackage.Registry.INSTANCE.getEPackage(NestedconditionPackage.eNS_URI);
+
+		// Create type parameters
+
+		// Set bounds for type parameters
+
+		// Add supertypes to classes
+
+		// Initialize classes, features, and operations; add parameters
+		initEClass(nestedConstraintModelEClass, NestedConstraintModel.class, "NestedConstraintModel", !IS_ABSTRACT, !IS_INTERFACE, IS_GENERATED_INSTANCE_CLASS);
+		initEAttribute(getNestedConstraintModel_Name(), ecorePackage.getEString(), "name", null, 0, 1, NestedConstraintModel.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, !IS_UNSETTABLE, !IS_ID, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+		initEReference(getNestedConstraintModel_Nestedconstrainmodels(), theNestedconditionPackage.getNestedConstraint(), null, "nestedconstrainmodels", null, 0, -1, NestedConstraintModel.class, !IS_TRANSIENT, !IS_VOLATILE, IS_CHANGEABLE, IS_COMPOSITE, !IS_RESOLVE_PROXIES, !IS_UNSETTABLE, IS_UNIQUE, !IS_DERIVED, IS_ORDERED);
+
+		// Create resource
+		createResource(eNS_URI);
+	}
+
+} //NestedconstraintmodelPackageImpl
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/util/NestedconstraintmodelAdapterFactory.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/util/NestedconstraintmodelAdapterFactory.java
new file mode 100644
index 0000000..8e47599
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/util/NestedconstraintmodelAdapterFactory.java
@@ -0,0 +1,120 @@
+/**
+ */
+package nestedconstraintmodel.util;
+
+import nestedconstraintmodel.*;
+
+import org.eclipse.emf.common.notify.Adapter;
+import org.eclipse.emf.common.notify.Notifier;
+
+import org.eclipse.emf.common.notify.impl.AdapterFactoryImpl;
+
+import org.eclipse.emf.ecore.EObject;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Adapter Factory</b> for the model.
+ * It provides an adapter <code>createXXX</code> method for each class of the model.
+ * <!-- end-user-doc -->
+ * @see nestedconstraintmodel.NestedconstraintmodelPackage
+ * @generated
+ */
+public class NestedconstraintmodelAdapterFactory extends AdapterFactoryImpl {
+	/**
+	 * The cached model package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static NestedconstraintmodelPackage modelPackage;
+
+	/**
+	 * Creates an instance of the adapter factory.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconstraintmodelAdapterFactory() {
+		if (modelPackage == null) {
+			modelPackage = NestedconstraintmodelPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Returns whether this factory is applicable for the type of the object.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns <code>true</code> if the object is either the model's package or is an instance object of the model.
+	 * <!-- end-user-doc -->
+	 * @return whether this factory is applicable for the type of the object.
+	 * @generated
+	 */
+	@Override
+	public boolean isFactoryForType(Object object) {
+		if (object == modelPackage) {
+			return true;
+		}
+		if (object instanceof EObject) {
+			return ((EObject)object).eClass().getEPackage() == modelPackage;
+		}
+		return false;
+	}
+
+	/**
+	 * The switch that delegates to the <code>createXXX</code> methods.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected NestedconstraintmodelSwitch<Adapter> modelSwitch =
+		new NestedconstraintmodelSwitch<Adapter>() {
+			@Override
+			public Adapter caseNestedConstraintModel(NestedConstraintModel object) {
+				return createNestedConstraintModelAdapter();
+			}
+			@Override
+			public Adapter defaultCase(EObject object) {
+				return createEObjectAdapter();
+			}
+		};
+
+	/**
+	 * Creates an adapter for the <code>target</code>.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param target the object to adapt.
+	 * @return the adapter for the <code>target</code>.
+	 * @generated
+	 */
+	@Override
+	public Adapter createAdapter(Notifier target) {
+		return modelSwitch.doSwitch((EObject)target);
+	}
+
+
+	/**
+	 * Creates a new adapter for an object of class '{@link nestedconstraintmodel.NestedConstraintModel <em>Nested Constraint Model</em>}'.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null so that we can easily ignore cases;
+	 * it's useful to ignore a case when inheritance will catch all the cases anyway.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @see nestedconstraintmodel.NestedConstraintModel
+	 * @generated
+	 */
+	public Adapter createNestedConstraintModelAdapter() {
+		return null;
+	}
+
+	/**
+	 * Creates a new adapter for the default case.
+	 * <!-- begin-user-doc -->
+	 * This default implementation returns null.
+	 * <!-- end-user-doc -->
+	 * @return the new adapter.
+	 * @generated
+	 */
+	public Adapter createEObjectAdapter() {
+		return null;
+	}
+
+} //NestedconstraintmodelAdapterFactory
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/util/NestedconstraintmodelSwitch.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/util/NestedconstraintmodelSwitch.java
new file mode 100644
index 0000000..1480f15
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.model/src/nestedconstraintmodel/util/NestedconstraintmodelSwitch.java
@@ -0,0 +1,110 @@
+/**
+ */
+package nestedconstraintmodel.util;
+
+import nestedconstraintmodel.*;
+
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+
+import org.eclipse.emf.ecore.util.Switch;
+
+/**
+ * <!-- begin-user-doc -->
+ * The <b>Switch</b> for the model's inheritance hierarchy.
+ * It supports the call {@link #doSwitch(EObject) doSwitch(object)}
+ * to invoke the <code>caseXXX</code> method for each class of the model,
+ * starting with the actual class of the object
+ * and proceeding up the inheritance hierarchy
+ * until a non-null result is returned,
+ * which is the result of the switch.
+ * <!-- end-user-doc -->
+ * @see nestedconstraintmodel.NestedconstraintmodelPackage
+ * @generated
+ */
+public class NestedconstraintmodelSwitch<T> extends Switch<T> {
+	/**
+	 * The cached model package
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	protected static NestedconstraintmodelPackage modelPackage;
+
+	/**
+	 * Creates an instance of the switch.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @generated
+	 */
+	public NestedconstraintmodelSwitch() {
+		if (modelPackage == null) {
+			modelPackage = NestedconstraintmodelPackage.eINSTANCE;
+		}
+	}
+
+	/**
+	 * Checks whether this is a switch for the given package.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @param ePackage the package in question.
+	 * @return whether this is a switch for the given package.
+	 * @generated
+	 */
+	@Override
+	protected boolean isSwitchFor(EPackage ePackage) {
+		return ePackage == modelPackage;
+	}
+
+	/**
+	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
+	 * <!-- begin-user-doc -->
+	 * <!-- end-user-doc -->
+	 * @return the first non-null result returned by a <code>caseXXX</code> call.
+	 * @generated
+	 */
+	@Override
+	protected T doSwitch(int classifierID, EObject theEObject) {
+		switch (classifierID) {
+			case NestedconstraintmodelPackage.NESTED_CONSTRAINT_MODEL: {
+				NestedConstraintModel nestedConstraintModel = (NestedConstraintModel)theEObject;
+				T result = caseNestedConstraintModel(nestedConstraintModel);
+				if (result == null) result = defaultCase(theEObject);
+				return result;
+			}
+			default: return defaultCase(theEObject);
+		}
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>Nested Constraint Model</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>Nested Constraint Model</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
+	 * @generated
+	 */
+	public T caseNestedConstraintModel(NestedConstraintModel object) {
+		return null;
+	}
+
+	/**
+	 * Returns the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * <!-- begin-user-doc -->
+	 * This implementation returns null;
+	 * returning a non-null result will terminate the switch, but this is the last case anyway.
+	 * <!-- end-user-doc -->
+	 * @param object the target of the switch.
+	 * @return the result of interpreting the object as an instance of '<em>EObject</em>'.
+	 * @see #doSwitch(org.eclipse.emf.ecore.EObject)
+	 * @generated
+	 */
+	@Override
+	public T defaultCase(EObject object) {
+		return null;
+	}
+
+} //NestedconstraintmodelSwitch
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/.classpath b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/.classpath
new file mode 100644
index 0000000..eca7bdb
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/.classpath
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
+	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/.project b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/.project
new file mode 100644
index 0000000..767c356
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/.project
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>de.unimarburg.swt.ocl2ac.tool</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.ManifestBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+		<buildCommand>
+			<name>org.eclipse.pde.SchemaBuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.pde.PluginNature</nature>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/META-INF/MANIFEST.MF b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/META-INF/MANIFEST.MF
new file mode 100644
index 0000000..d935881
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/META-INF/MANIFEST.MF
@@ -0,0 +1,24 @@
+Manifest-Version: 1.0
+Bundle-ManifestVersion: 2
+Bundle-Name: Automate
+Bundle-SymbolicName: de.unimarburg.swt.ocl2ac.tool;singleton:=true
+Bundle-Version: 1.0.0.qualifier
+Bundle-Activator: de.unimarburg.swt.ocl2ac.tool.Activator
+Require-Bundle: org.eclipse.ui,
+ org.eclipse.core.runtime,
+ org.eclipse.emf.common;bundle-version="2.11.1",
+ org.eclipse.core.resources;bundle-version="3.10.1",
+ de.unimarburg.swt.ocl2ac.ocl2gc,
+ org.eclipse.ocl.pivot,
+ org.eclipse.emf.henshin.model;bundle-version="1.4.0",
+ org.eclipse.emf.henshin.editor;bundle-version="1.4.0",
+ org.eclipse.core.filesystem;bundle-version="1.5.0",
+ org.eclipse.emf.henshin.interpreter,
+ de.unimarburg.swt.ocl2ac.gc2ac;bundle-version="1.0.0",
+ de.unimarburg.swt.ocl2ac.model;bundle-version="1.0.0",
+ org.eclipse.emf.common.ui;bundle-version="2.11.0"
+Bundle-RequiredExecutionEnvironment: JavaSE-1.8
+Bundle-ActivationPolicy: lazy
+Export-Package: de.unimarburg.swt.ocl2ac.tool,
+ de.unimarburg.swt.ocl2ac.tool.commands,
+ de.unimarburg.swt.ocl2ac.tool.optimizer
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/build.properties b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/build.properties
new file mode 100644
index 0000000..c085f6a
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/build.properties
@@ -0,0 +1,11 @@
+source.. = src/
+output.. = bin/
+bin.includes = META-INF/,\
+               .,\
+               icons/,\
+               plugin.xml,\
+               bin/,\
+               .settings/,\
+               .classpath,\
+               .project,\
+               build.properties
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/import.png b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/import.png
new file mode 100644
index 0000000..710385b
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/import.png
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/integrator-16.png b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/integrator-16.png
new file mode 100644
index 0000000..b8c2196
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/integrator-16.png
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/integrator-32.png b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/integrator-32.png
new file mode 100644
index 0000000..8e2a107
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/integrator-32.png
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/ocl2ac-16.png b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/ocl2ac-16.png
new file mode 100644
index 0000000..1e3c65b
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/ocl2ac-16.png
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/ocl2ac-32.png b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/ocl2ac-32.png
new file mode 100644
index 0000000..9af1da2
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/ocl2ac-32.png
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/ocl2ac16.png b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/ocl2ac16.png
new file mode 100644
index 0000000..895beb1
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/ocl2ac16.png
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/printButton.png b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/printButton.png
new file mode 100644
index 0000000..5a22b3b
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/printButton.png
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/translator.png b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/translator.png
new file mode 100644
index 0000000..16aa40d
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/icons/translator.png
Binary files differ
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/plugin.xml b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/plugin.xml
new file mode 100644
index 0000000..d10cd1c
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/plugin.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<?eclipse version="3.4"?>
+<plugin>
+   <extension
+         point="org.eclipse.ui.popupMenus">
+      <objectContribution
+            id="de.unimarburg.swt.ocl2ac.automate.objectContribution2"
+            objectClass="org.eclipse.core.resources.IFile">
+         <menu
+               icon="icons/ocl2ac16.png"
+               id="ocl2ac.automate.menu"
+               label="OCL2AC"
+               path="addition">
+            <separator
+                  name="group">
+            </separator>
+         </menu>
+         <action
+               class="de.unimarburg.swt.ocl2ac.tool.action.GC2AppCondAction"
+               enablesFor="2"
+               id="ocl2ac.automate.NGCtoACAction"
+               label="Integrate Nested Graph Constraints as Application Conditions for Rules"
+               menubarPath="ocl2ac.automate.menu/group">
+         </action>
+         <action
+               class="de.unimarburg.swt.ocl2ac.tool.action.OCL2GCAction"
+               enablesFor="2"
+               id="ocl2ac.automate.OCLtoNGCAction"
+               label="Translate OCL Constraints to Nested Graph Constraints"
+               menubarPath="ocl2ac.automate.menu/group">
+         </action>
+         <action
+               class="de.unimarburg.swt.ocl2ac.tool.action.LaxCond2GCAction"
+               enablesFor="1"
+               id="ocl2ac.automate.CCtoNGCAction"
+               label="Compact Condition to Nested Condition"
+               menubarPath="ocl2ac.automate.menu/group">
+         </action>
+      </objectContribution>
+   </extension>
+
+</plugin>
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/Activator.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/Activator.java
new file mode 100644
index 0000000..d22cdb0
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/Activator.java
@@ -0,0 +1,55 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool;
+
+import org.eclipse.ui.plugin.AbstractUIPlugin;
+import org.osgi.framework.BundleContext;
+
+/**
+ * The activator class controls the plug-in life cycle
+ */
+public class Activator extends AbstractUIPlugin {
+
+	// The plug-in ID
+	public static final String PLUGIN_ID = "de.unimarburg.swt.ocl2ac.tool"; //$NON-NLS-1$
+
+	// The shared instance
+	private static Activator plugin;
+	
+	/**
+	 * The constructor
+	 */
+	public Activator() {
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
+	 */
+	public void start(BundleContext context) throws Exception {
+		super.start(context);
+		plugin = this;
+	}
+
+	/*
+	 * (non-Javadoc)
+	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
+	 */
+	public void stop(BundleContext context) throws Exception {
+		plugin = null;
+		super.stop(context);
+	}
+
+	/**
+	 * Returns the shared instance
+	 *
+	 * @return the shared instance
+	 */
+	public static Activator getDefault() {
+		return plugin;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/CompCond2AppCondAction.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/CompCond2AppCondAction.java
new file mode 100644
index 0000000..433838d
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/CompCond2AppCondAction.java
@@ -0,0 +1,179 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool.action;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
+import org.eclipse.emf.henshin.model.HenshinPackage;
+import org.eclipse.emf.henshin.model.Module;
+import org.eclipse.emf.henshin.model.Rule;
+import org.eclipse.emf.henshin.model.Unit;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Monitor;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IActionDelegate;
+import org.eclipse.ui.IObjectActionDelegate;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.PlatformUI;
+
+import compactconditionmodel.CompactConditionModel;
+import compactconditionmodel.CompactconditionmodelPackage;
+import de.unimarburg.swt.ocl2ac.tool.ui.WizardLaxCond2AppCond;
+import laxcondition.Condition;
+
+public class CompCond2AppCondAction implements IObjectActionDelegate {
+
+	private static final String Compact_CONDITION_MODEL = ".compactconditionmodel";
+	private static final String HENSHIN = ".henshin";
+	private List<IFile> files = null;
+	private IFile compactConditionModelFile = null;
+	private IFile henshinFile = null;
+	private Module module = null;
+	private CompactConditionModel compactConditionModel = null;
+	private Shell shell;
+
+	/**
+	 * Constructor for TransformAction.
+	 */
+	public CompCond2AppCondAction() {
+		super();
+	}
+
+	/**
+	 * @see IActionDelegate#run(IAction)
+	 */
+	public void run(IAction action) {
+
+		if (checkFiles()) {
+			initModels();
+
+			HashMap<Integer, Condition> hashmapAllCompactConditions = fillHashMap_LaxConds();
+			HashMap<Integer, Rule> hashmapAllRules = fillHashMap_Rule();
+
+			if (hashmapAllCompactConditions.size() > 0 && hashmapAllRules.size() > 0) {
+				Display display = Display.getDefault();
+				WizardLaxCond2AppCond uiAssistent = new WizardLaxCond2AppCond(display, henshinFile,
+						hashmapAllCompactConditions, hashmapAllRules, compactConditionModelFile);
+
+				Monitor primary = display.getPrimaryMonitor();
+				Rectangle bounds = primary.getBounds();
+				Rectangle rect = uiAssistent.getBounds();
+				int x = bounds.x + (bounds.width - rect.width) / 2;
+				int y = bounds.y + (bounds.height - rect.height) / 2;
+				uiAssistent.setLocation(x, y);
+				uiAssistent.open();
+				uiAssistent.layout();
+				while (!uiAssistent.isDisposed()) {
+					if (!display.readAndDispatch()) {
+						display.sleep();
+					}
+				}
+			}
+		} else {
+			MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+					"Integration", "Integration can not be executed on the input.");
+		}
+
+	}
+
+	private void initModels() {
+		URI uriHenshin = URI.createPlatformResourceURI(this.henshinFile.getFullPath().toString(), true);
+		URI uriNestedConstraintModel = URI
+				.createPlatformResourceURI(this.compactConditionModelFile.getFullPath().toString(), true);
+		if (uriHenshin != null && uriNestedConstraintModel != null) {
+			// Load the henshin module and the henshin rule
+			HenshinPackage.eINSTANCE.eClass();
+			Resource.Factory.Registry reg = Resource.Factory.Registry.INSTANCE;
+			Map<String, Object> m = reg.getExtensionToFactoryMap();
+			m.put("*.henshin", new XMIResourceFactoryImpl());
+			ResourceSet resSet = new ResourceSetImpl();
+			Resource resourceHenshin = resSet.getResource(uriHenshin, true);
+			this.module = (Module) resourceHenshin.getContents().get(0);
+
+			// Load the nested condition
+			CompactconditionmodelPackage.eINSTANCE.eClass();
+			m.put("*.compactconditionmodel", new XMIResourceFactoryImpl());
+			Resource resourceNestedcondition = resSet.getResource(uriNestedConstraintModel, true);
+			this.compactConditionModel = (CompactConditionModel) resourceNestedcondition.getContents().get(0);
+		}
+	}
+
+	private boolean checkFiles() {
+		IFile file1 = files.get(0);
+		IFile file2 = files.get(1);
+		if (!(file1.getName().endsWith(HENSHIN) || file2.getName().endsWith(HENSHIN)))
+			return false;
+		if (!(file1.getName().endsWith(Compact_CONDITION_MODEL) || file2.getName().endsWith(Compact_CONDITION_MODEL)))
+			return false;
+		if (file1.getName().endsWith(Compact_CONDITION_MODEL)) {
+			compactConditionModelFile = file1;
+			henshinFile = file2;
+		} else {
+			compactConditionModelFile = file2;
+			henshinFile = file1;
+		}
+		return true;
+	}
+
+	private HashMap<Integer, Rule> fillHashMap_Rule() {
+		HashMap<Integer, Rule> hashmapAllRules = new HashMap<Integer, Rule>();
+		int j = 0;
+		for (Unit unit : module.getUnits()) {
+			if (unit instanceof Rule) {
+				hashmapAllRules.put(j, (Rule) unit);
+				j++;
+			}
+		}
+		return hashmapAllRules;
+	}
+
+	private HashMap<Integer, Condition> fillHashMap_LaxConds() {
+		HashMap<Integer, Condition> hashmapAllLaxConditions = new HashMap<Integer, Condition>();
+		int i = 0;
+		for (Condition nc : compactConditionModel.getCompactconditions()) {
+			hashmapAllLaxConditions.put(i, nc);
+			i++;
+		}
+		return hashmapAllLaxConditions;
+	}
+
+	/**
+	 * @see IActionDelegate#selectionChanged(IAction, ISelection)
+	 */
+	@SuppressWarnings("unchecked")
+	public void selectionChanged(IAction action, ISelection selection) {
+		files = new ArrayList<IFile>();
+		if (selection instanceof StructuredSelection) {
+			StructuredSelection ss = (StructuredSelection) selection;
+			List<Object> objects = ss.toList();
+			for (Object o : objects) {
+				files.add((IFile) o);
+			}
+		}
+	}
+
+	/**
+	 * @see IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)
+	 */
+	public void setActivePart(IAction action, IWorkbenchPart targetPart) {
+		shell = targetPart.getSite().getShell();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/GC2AppCondAction.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/GC2AppCondAction.java
new file mode 100644
index 0000000..60b17e9
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/GC2AppCondAction.java
@@ -0,0 +1,176 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool.action;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
+import org.eclipse.emf.henshin.model.HenshinPackage;
+import org.eclipse.emf.henshin.model.Module;
+import org.eclipse.emf.henshin.model.Rule;
+import org.eclipse.emf.henshin.model.Unit;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Monitor;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IActionDelegate;
+import org.eclipse.ui.IObjectActionDelegate;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.PlatformUI;
+
+import de.unimarburg.swt.ocl2ac.tool.ui.WizardGC2AppCond;
+import nestedcondition.NestedConstraint;
+import nestedconstraintmodel.NestedConstraintModel;
+import nestedconstraintmodel.NestedconstraintmodelPackage;
+
+public class GC2AppCondAction implements IObjectActionDelegate {
+
+	private static final String NESTED_CONSTRAINT_MODEL = ".nestedconstraintmodel";
+	private static final String HENSHIN = ".henshin";
+	private Shell shell;
+	private List<IFile> files = null;
+	private IFile nestedConstraintModelFile = null;
+	private IFile henshinFile = null;
+	private Module module = null;
+	private NestedConstraintModel nestedconstraintmodel = null;
+
+	/**
+	 * Constructor for TransformAction.
+	 */
+	public GC2AppCondAction() {
+		super();
+	}
+
+	/**
+	 * @see IActionDelegate#run(IAction)
+	 */
+	public void run(IAction action) {
+		if (checkFiles()) {
+			initModels();
+			HashMap<Integer, NestedConstraint> hashmapAllNestedconstraints = fillHashMap_NC();
+			HashMap<Integer, Rule> hashmapAllRules = fillHashMap_Rule();
+
+			if (hashmapAllNestedconstraints.size() > 0 && hashmapAllRules.size() > 0) {
+				Display display = Display.getDefault();
+				WizardGC2AppCond uiAssistent = new WizardGC2AppCond(display, henshinFile, hashmapAllNestedconstraints,
+						hashmapAllRules, nestedConstraintModelFile);
+
+				Monitor primary = display.getPrimaryMonitor();
+				Rectangle bounds = primary.getBounds();
+				Rectangle rect = uiAssistent.getBounds();
+				int x = bounds.x + (bounds.width - rect.width) / 2;
+				int y = bounds.y + (bounds.height - rect.height) / 2;
+				uiAssistent.setLocation(x, y);
+				uiAssistent.open();
+				uiAssistent.layout();
+				while (!uiAssistent.isDisposed()) {
+					if (!display.readAndDispatch()) {
+						display.sleep();
+					}
+				}
+			}
+		} else {
+			MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+					"Integration", "Integration can not be executed on the input.");
+		}
+
+	}
+
+	private void initModels() {
+		URI uriHenshin = URI.createPlatformResourceURI(this.henshinFile.getFullPath().toString(), true);
+		URI uriNestedConstraintModel = URI
+				.createPlatformResourceURI(this.nestedConstraintModelFile.getFullPath().toString(), true);
+		if (uriHenshin != null && uriNestedConstraintModel != null) {
+			// Load the henshin module and the henshin rule
+			HenshinPackage.eINSTANCE.eClass();
+			Resource.Factory.Registry reg = Resource.Factory.Registry.INSTANCE;
+			Map<String, Object> m = reg.getExtensionToFactoryMap();
+			m.put("*.henshin", new XMIResourceFactoryImpl());
+			ResourceSet resSet = new ResourceSetImpl();
+			Resource resourceHenshin = resSet.getResource(uriHenshin, true);
+			this.module = (Module) resourceHenshin.getContents().get(0);
+			// Load the nested condition
+			NestedconstraintmodelPackage.eINSTANCE.eClass();
+			m.put("*.nestedconstraintmodel", new XMIResourceFactoryImpl());
+			Resource resourceNestedcondition = resSet.getResource(uriNestedConstraintModel, true);
+			this.nestedconstraintmodel = (NestedConstraintModel) resourceNestedcondition.getContents().get(0);
+		}
+	}
+
+	private boolean checkFiles() {
+		IFile file1 = files.get(0);
+		IFile file2 = files.get(1);
+		if (!(file1.getName().endsWith(HENSHIN) || file2.getName().endsWith(HENSHIN)))
+			return false;
+		if (!(file1.getName().endsWith(NESTED_CONSTRAINT_MODEL) || file2.getName().endsWith(NESTED_CONSTRAINT_MODEL)))
+			return false;
+		if (file1.getName().endsWith(NESTED_CONSTRAINT_MODEL)) {
+			nestedConstraintModelFile = file1;
+			henshinFile = file2;
+		} else {
+			nestedConstraintModelFile = file2;
+			henshinFile = file1;
+		}
+		return true;
+	}
+
+	private HashMap<Integer, Rule> fillHashMap_Rule() {
+		HashMap<Integer, Rule> hashmapAllRules = new HashMap<Integer, Rule>();
+		int j = 0;
+		for (Unit unit : module.getUnits()) {
+			if (unit instanceof Rule) {
+				hashmapAllRules.put(j, (Rule) unit);
+				j++;
+			}
+		}
+		return hashmapAllRules;
+	}
+
+	private HashMap<Integer, NestedConstraint> fillHashMap_NC() {
+		HashMap<Integer, NestedConstraint> hashmapAllNestedconstraints = new HashMap<Integer, NestedConstraint>();
+		int i = 0;
+		for (NestedConstraint nc : nestedconstraintmodel.getNestedconstrainmodels()) {
+			hashmapAllNestedconstraints.put(i, nc);
+			i++;
+		}
+		return hashmapAllNestedconstraints;
+	}
+
+	/**
+	 * @see IActionDelegate#selectionChanged(IAction, ISelection)
+	 */
+	@SuppressWarnings("unchecked")
+	public void selectionChanged(IAction action, ISelection selection) {
+		files = new ArrayList<IFile>();
+		if (selection instanceof StructuredSelection) {
+			StructuredSelection ss = (StructuredSelection) selection;
+			List<Object> objects = ss.toList();
+			for (Object o : objects) {
+				files.add((IFile) o);
+			}
+		}
+	}
+
+	/**
+	 * @see IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)
+	 */
+	public void setActivePart(IAction action, IWorkbenchPart targetPart) {
+		shell = targetPart.getSite().getShell();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/LaxCond2AppCondAction.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/LaxCond2AppCondAction.java
new file mode 100644
index 0000000..46ad15e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/LaxCond2AppCondAction.java
@@ -0,0 +1,305 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool.action;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.HashMap;
+import java.util.List;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
+import org.eclipse.emf.henshin.interpreter.EGraph;
+import org.eclipse.emf.henshin.interpreter.Engine;
+import org.eclipse.emf.henshin.interpreter.Match;
+import org.eclipse.emf.henshin.interpreter.impl.EGraphImpl;
+import org.eclipse.emf.henshin.interpreter.impl.EngineImpl;
+import org.eclipse.emf.henshin.interpreter.util.InterpreterUtil;
+import org.eclipse.emf.henshin.model.HenshinFactory;
+import org.eclipse.emf.henshin.model.HenshinPackage;
+import org.eclipse.emf.henshin.model.Mapping;
+import org.eclipse.emf.henshin.model.Node;
+import org.eclipse.emf.henshin.model.Parameter;
+import org.eclipse.emf.henshin.model.Rule;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Cursor;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IActionDelegate;
+import org.eclipse.ui.IObjectActionDelegate;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.PlatformUI;
+
+import compactconditionmodel.CompactConditionModel;
+import de.unimarburg.swt.ocl2ac.ocl2gc.core.Completer;
+import de.unimarburg.swt.ocl2ac.ocl2gc.util.Constants;
+import de.unimarburg.swt.ocl2ac.ocl2gc.util.TranslatorResourceSet;
+import laxcondition.Condition;
+import laxcondition.LaxconditionPackage;
+import laxcondition.util.extensions.LaxConditionSimplifier;
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedConstraint;
+import nestedcondition.NestedconditionFactory;
+import nestedcondition.Variable;
+import nestedcondition.util.extensions.NestedConditionSimplifier;
+import nestedconstraintmodel.NestedConstraintModel;
+import nestedconstraintmodel.NestedconstraintmodelFactory;
+import nestedconstraintmodel.NestedconstraintmodelPackage;
+
+public class LaxCond2AppCondAction implements IObjectActionDelegate {
+
+	private static final String COMPACTCONDITION = ".compactconditionmodel";
+	private Shell shell;
+	private IFile selectedFile = null;
+	HashMap<Condition, List<String>> mapCon2Var = null;
+
+	/**
+	 * Constructor for TransformAction.
+	 */
+	public LaxCond2AppCondAction() {
+		super();
+	}
+
+	/**
+	 * @see IActionDelegate#run(IAction)
+	 */
+	public void run(IAction action) {
+		mapCon2Var = new HashMap<Condition, List<String>>();
+		if (checkFile()) {
+			Cursor oldCursor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell().getCursor();
+			PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell()
+					.setCursor(new Cursor(null, SWT.CURSOR_WAIT));
+
+			URI uri = URI.createPlatformResourceURI(this.selectedFile.getFullPath().toString(), true);
+			ResourceSet resourceSet = new ResourceSetImpl();
+			resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap()
+					.put(Resource.Factory.Registry.DEFAULT_EXTENSION, new XMIResourceFactoryImpl());
+			Resource resource = resourceSet.getResource(uri, true);
+			EObject root = resource.getContents().get(0);
+
+			long start = System.currentTimeMillis();
+
+			// 1. Get List of lax Conditions
+			List<Condition> arrayListLaxConditions = new ArrayList<Condition>();
+			if (root instanceof CompactConditionModel) {
+				arrayListLaxConditions.addAll(((CompactConditionModel) root).getCompactconditions());
+			}
+
+			System.out.println("arrayListLaxConditions size is: " + arrayListLaxConditions.size());
+
+			// Construct mapCon2Var
+			for (Condition cond : arrayListLaxConditions) {
+				mapCon2Var.put(cond, getDistinctVariableNames(cond));
+			}
+
+			// 2. Simplify each lax condition
+			simplifyLaxConditions(arrayListLaxConditions);
+
+			// 3. Complete each lax condition to NestedConstraints
+			List<NestedConstraint> arrayListNestedConstraints = completeLaxConditions(mapCon2Var,
+					arrayListLaxConditions);
+
+			// 4. Simplify each NestedConstraint
+			simplifyNestedConstraints(arrayListNestedConstraints);
+			long stop = System.currentTimeMillis();
+			long translationTime = stop - start;
+			System.out.println("[#" + translationTime + ")]");
+
+			// 5. Persist the simplified nested constraints
+			NestedconstraintmodelPackage.eINSTANCE.eClass();
+			NestedConstraintModel constraintmodel = NestedconstraintmodelFactory.eINSTANCE
+					.createNestedConstraintModel();
+			constraintmodel.setName(arrayListNestedConstraints.get(0).getTypeGraph().getName() + "Constraints");
+
+			constraintmodel.getNestedconstrainmodels().addAll(arrayListNestedConstraints);
+
+			System.out.println("[# Resulted NGC is:(" + arrayListNestedConstraints.size() + ")]");
+			Date date = new GregorianCalendar().getTime();
+			persistNestedConstraintsModel(date, constraintmodel);
+			shell.setCursor(oldCursor);
+
+			MessageDialog.openInformation(shell, "OCL2AC",
+					"The translation time is: (" + (translationTime / (double) 1000) + ") second(s).");
+		}
+
+	}
+
+	/**
+	 * 
+	 * @param cond
+	 *            of LaxconditionPackage
+	 * @return
+	 */
+	private List<String> getDistinctVariableNames(Condition cond) {
+		List<String> varNames = new ArrayList<String>();
+		HenshinFactory factory = HenshinFactory.eINSTANCE;
+		Rule rule = factory.createRule();
+		Parameter param = factory.createParameter("p");
+		rule.getParameters().add(param);
+		Node sourceLHS = factory.createNode(rule.getLhs(), LaxconditionPackage.Literals.VARIABLE, "");
+		sourceLHS.setName(param.getName());
+		Node sourceRHS = factory.createNode(rule.getRhs(), LaxconditionPackage.Literals.VARIABLE, "");
+		sourceRHS.setName(param.getName());
+		Mapping sourceMapping = factory.createMapping(sourceLHS, sourceRHS);
+		rule.getMappings().add(sourceMapping);
+
+		HenshinPackage.eINSTANCE.eClass();
+		EGraph graph = new EGraphImpl(cond);
+		Engine engine = new EngineImpl();
+		List<Match> allMatches = InterpreterUtil.findAllMatches(engine, rule, graph, null);
+		for (Match m : allMatches) {
+			Object parameterValue = m.getParameterValue(param);
+			if (parameterValue instanceof laxcondition.Variable) {
+				laxcondition.Variable v = (laxcondition.Variable) parameterValue;
+				if (v.getName() != null) {
+					if (!varNames.contains(v.getName())) {
+						varNames.add(v.getName());
+					}
+				}
+			}
+		}
+
+		return varNames;
+	}
+
+	/**
+	 * 
+	 * @param arrayListNestedConstraints
+	 */
+	private void simplifyNestedConstraints(List<NestedConstraint> arrayListNestedConstraints) {
+		for (NestedConstraint nestedconstrain : arrayListNestedConstraints) {
+			try {
+				NestedConditionSimplifier simplifierNGC = new NestedConditionSimplifier(nestedconstrain);
+				boolean bc = simplifierNGC.simplify();
+			} catch (Exception e) {
+				System.err.println("The nestedconstrain " + nestedconstrain.getName() + " is not simplified well");
+			}
+		}
+	}
+
+	/**
+	 * 
+	 * @param translator
+	 * @param arrayListLaxConditions
+	 * @return
+	 */
+	private List<NestedConstraint> completeLaxConditions(HashMap<Condition, List<String>> mapCon2Var,
+			List<Condition> arrayListLaxConditions) {
+		List<NestedConstraint> arrayListNestedConstraints = new ArrayList<NestedConstraint>();
+		List<String> conditionVarNames = null;
+		for (Condition condition : arrayListLaxConditions) {
+			try {
+				conditionVarNames = mapCon2Var.get(condition);
+				Completer completer = new Completer(condition);
+				long timeNeeded = completer.complete();
+				NestedConstraint nestedConstraint = completer.getConstraint();
+				NestedCondition nestedCondition = nestedConstraint.getCondition();
+
+				if (conditionVarNames != null)
+					addVariables2Condition(nestedCondition, conditionVarNames);
+
+				arrayListNestedConstraints.add(nestedConstraint);
+			} catch (Exception e) {
+				System.err.println("The condition " + condition.getName() + " is not completed well");
+			}
+		}
+		return arrayListNestedConstraints;
+	}
+
+	/**
+	 * 
+	 * @param arrayListLaxConditions
+	 */
+	private void simplifyLaxConditions(List<Condition> arrayListLaxConditions) {
+		for (Condition condition : arrayListLaxConditions) {
+			try {
+				LaxConditionSimplifier simplifier = new LaxConditionSimplifier(condition);
+				simplifier.simplify();
+			} catch (Exception e) {
+				System.err.println("The condition " + condition.getName() + " is not simplified well");
+			}
+		}
+	}
+
+	// TODO add variables to LaxCondition. I added. To be tested
+	/**
+	 * Add variables to the completed nested condition
+	 * 
+	 * @param nestedCondition
+	 * @param conditionVarNames
+	 */
+	private void addVariables2Condition(NestedCondition nestedCondition, List<String> conditionVarNames) {
+		for (String v : conditionVarNames) {
+			Variable conVar = NestedconditionFactory.eINSTANCE.createVariable();
+			conVar.setName(v);
+			if (!nestedCondition.getVariables().contains(conVar))
+				nestedCondition.getVariables().add(conVar);
+		}
+	}
+
+	/**
+	 * 
+	 * @param date
+	 * @param nestedConstraintModel
+	 */
+	private void persistNestedConstraintsModel(Date date, NestedConstraintModel nestedConstraintModel) {
+		SimpleDateFormat sdf = new SimpleDateFormat("yyMMddHHmmss");
+		String path = selectedFile.getParent().getLocation().toOSString();// append(Constants.NESTED_CONSTRAINTS
+																			// +
+																			// sdf.format(date)).toOSString();
+		TranslatorResourceSet resourceSet = new TranslatorResourceSet(path);
+		resourceSet.saveEObject(nestedConstraintModel,
+				nestedConstraintModel.getName().concat("_" + sdf.format(date) + Constants.NESTED_CONSTRAINTS_MODEL));
+		try {
+			selectedFile.getParent().refreshLocal(IResource.DEPTH_ONE, null);
+		} catch (CoreException e) {
+			e.printStackTrace();
+		}
+	}
+
+	/**
+	 * 
+	 * @return
+	 */
+	private boolean checkFile() {
+		if (!(selectedFile.getName().endsWith(COMPACTCONDITION)))
+			return false;
+		return true;
+	}
+
+	/**
+	 * @see IActionDelegate#selectionChanged(IAction, ISelection)
+	 */
+	@SuppressWarnings("unchecked")
+	public void selectionChanged(IAction action, ISelection selection) {
+		if (selection instanceof StructuredSelection) {
+			StructuredSelection ss = (StructuredSelection) selection;
+			Object object = ss.getFirstElement();
+			if (object instanceof IFile)
+				selectedFile = (IFile) object;
+		}
+	}
+
+	/**
+	 * @see IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)
+	 */
+	public void setActivePart(IAction action, IWorkbenchPart targetPart) {
+		shell = targetPart.getSite().getShell();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/LaxCond2GCAction.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/LaxCond2GCAction.java
new file mode 100644
index 0000000..2ffa843
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/LaxCond2GCAction.java
@@ -0,0 +1,305 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool.action;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.HashMap;
+import java.util.List;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
+import org.eclipse.emf.henshin.interpreter.EGraph;
+import org.eclipse.emf.henshin.interpreter.Engine;
+import org.eclipse.emf.henshin.interpreter.Match;
+import org.eclipse.emf.henshin.interpreter.impl.EGraphImpl;
+import org.eclipse.emf.henshin.interpreter.impl.EngineImpl;
+import org.eclipse.emf.henshin.interpreter.util.InterpreterUtil;
+import org.eclipse.emf.henshin.model.HenshinFactory;
+import org.eclipse.emf.henshin.model.HenshinPackage;
+import org.eclipse.emf.henshin.model.Mapping;
+import org.eclipse.emf.henshin.model.Node;
+import org.eclipse.emf.henshin.model.Parameter;
+import org.eclipse.emf.henshin.model.Rule;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Cursor;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IActionDelegate;
+import org.eclipse.ui.IObjectActionDelegate;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.PlatformUI;
+
+import compactconditionmodel.CompactConditionModel;
+import de.unimarburg.swt.ocl2ac.ocl2gc.core.Completer;
+import de.unimarburg.swt.ocl2ac.ocl2gc.util.Constants;
+import de.unimarburg.swt.ocl2ac.ocl2gc.util.TranslatorResourceSet;
+import laxcondition.Condition;
+import laxcondition.LaxconditionPackage;
+import laxcondition.util.extensions.LaxConditionSimplifier;
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedConstraint;
+import nestedcondition.NestedconditionFactory;
+import nestedcondition.Variable;
+import nestedcondition.util.extensions.NestedConditionSimplifier;
+import nestedconstraintmodel.NestedConstraintModel;
+import nestedconstraintmodel.NestedconstraintmodelFactory;
+import nestedconstraintmodel.NestedconstraintmodelPackage;
+
+public class LaxCond2GCAction implements IObjectActionDelegate {
+
+	private static final String COMPACTCONDITION = ".compactconditionmodel";
+	private Shell shell;
+	private IFile selectedFile = null;
+	HashMap<Condition, List<String>> mapCon2Var = null;
+
+	/**
+	 * Constructor for TransformAction.
+	 */
+	public LaxCond2GCAction() {
+		super();
+	}
+
+	/**
+	 * @see IActionDelegate#run(IAction)
+	 */
+	public void run(IAction action) {
+		mapCon2Var = new HashMap<Condition, List<String>>();
+		if (checkFile()) {
+			Cursor oldCursor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell().getCursor();
+			PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell()
+					.setCursor(new Cursor(null, SWT.CURSOR_WAIT));
+
+			URI uri = URI.createPlatformResourceURI(this.selectedFile.getFullPath().toString(), true);
+			ResourceSet resourceSet = new ResourceSetImpl();
+			resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap()
+					.put(Resource.Factory.Registry.DEFAULT_EXTENSION, new XMIResourceFactoryImpl());
+			Resource resource = resourceSet.getResource(uri, true);
+			EObject root = resource.getContents().get(0);
+
+			long start = System.currentTimeMillis();
+
+			// 1. Get List of lax Conditions
+			List<Condition> arrayListLaxConditions = new ArrayList<Condition>();
+			if (root instanceof CompactConditionModel) {
+				arrayListLaxConditions.addAll(((CompactConditionModel) root).getCompactconditions());
+			}
+
+			System.out.println("arrayListLaxConditions size is: " + arrayListLaxConditions.size());
+
+			// Construct mapCon2Var
+			for (Condition cond : arrayListLaxConditions) {
+				mapCon2Var.put(cond, getDistinctVariableNames(cond));
+			}
+
+			// 2. Simplify each lax condition
+			simplifyLaxConditions(arrayListLaxConditions);
+
+			// 3. Complete each lax condition to NestedConstraints
+			List<NestedConstraint> arrayListNestedConstraints = completeLaxConditions(mapCon2Var,
+					arrayListLaxConditions);
+
+			// 4. Simplify each NestedConstraint
+			simplifyNestedConstraints(arrayListNestedConstraints);
+			long stop = System.currentTimeMillis();
+			long translationTime = stop - start;
+			System.out.println("[#" + translationTime + ")]");
+
+			// 5. Persist the simplified nested constraints
+			NestedconstraintmodelPackage.eINSTANCE.eClass();
+			NestedConstraintModel constraintmodel = NestedconstraintmodelFactory.eINSTANCE
+					.createNestedConstraintModel();
+			constraintmodel.setName(arrayListNestedConstraints.get(0).getTypeGraph().getName() + "Constraints");
+
+			constraintmodel.getNestedconstrainmodels().addAll(arrayListNestedConstraints);
+			System.out.println("[# Resulted NGC is:(" + arrayListNestedConstraints.size() + ")]");
+			Date date = new GregorianCalendar().getTime();
+			persistNestedConstraintsModel(date, constraintmodel);
+			shell.setCursor(oldCursor);
+
+			MessageDialog.openInformation(shell, "OCL2AC",
+					"The translation time is: (" + (translationTime / (double) 1000) + ") second(s).");
+		}
+
+	}
+
+	/**
+	 * 
+	 * @param cond
+	 *            of LaxconditionPackage
+	 * @return
+	 */
+	private List<String> getDistinctVariableNames(Condition cond) {
+		List<String> varNames = new ArrayList<String>();
+		HenshinFactory factory = HenshinFactory.eINSTANCE;
+		Rule rule = factory.createRule();
+		Parameter param = factory.createParameter("p");
+		rule.getParameters().add(param);
+		Node sourceLHS = factory.createNode(rule.getLhs(), LaxconditionPackage.Literals.VARIABLE, "");
+		sourceLHS.setName(param.getName());
+		Node sourceRHS = factory.createNode(rule.getRhs(), LaxconditionPackage.Literals.VARIABLE, "");
+		sourceRHS.setName(param.getName());
+		Mapping sourceMapping = factory.createMapping(sourceLHS, sourceRHS);
+		rule.getMappings().add(sourceMapping);
+
+		HenshinPackage.eINSTANCE.eClass();
+		EGraph graph = new EGraphImpl(cond);
+		Engine engine = new EngineImpl();
+		List<Match> allMatches = InterpreterUtil.findAllMatches(engine, rule, graph, null);
+		for (Match m : allMatches) {
+			Object parameterValue = m.getParameterValue(param);
+			if (parameterValue instanceof laxcondition.Variable) {
+				laxcondition.Variable v = (laxcondition.Variable) parameterValue;
+				if (v.getName() != null) {
+					if (!varNames.contains(v.getName())) {
+						varNames.add(v.getName());
+					}
+				}
+			}
+		}
+
+		return varNames;
+	}
+
+	/**
+	 * 
+	 * @param arrayListNestedConstraints
+	 */
+	private void simplifyNestedConstraints(List<NestedConstraint> arrayListNestedConstraints) {
+		for (NestedConstraint nestedconstrain : arrayListNestedConstraints) {
+			try {
+				NestedConditionSimplifier simplifierNGC = new NestedConditionSimplifier(nestedconstrain);
+				boolean bc = simplifierNGC.simplify();
+			} catch (Exception e) {
+				System.err.println("The nestedconstrain " + nestedconstrain.getName() + " is not simplified well");
+			}
+		}
+	}
+
+	/**
+	 * 
+	 * @param translator
+	 * @param arrayListLaxConditions
+	 * @return
+	 */
+	private List<NestedConstraint> completeLaxConditions(HashMap<Condition, List<String>> mapCon2Var,
+			List<Condition> arrayListLaxConditions) {
+		List<NestedConstraint> arrayListNestedConstraints = new ArrayList<NestedConstraint>();
+		List<String> conditionVarNames = null;
+		for (Condition condition : arrayListLaxConditions) {
+			try {
+				conditionVarNames = mapCon2Var.get(condition);
+				Completer completer = new Completer(condition);
+				long timeNeeded = completer.complete();
+				NestedConstraint nestedConstraint = completer.getConstraint();
+				NestedCondition nestedCondition = nestedConstraint.getCondition();
+
+				if (conditionVarNames != null)
+					addVariables2Condition(nestedCondition, conditionVarNames);
+
+				arrayListNestedConstraints.add(nestedConstraint);
+			} catch (Exception e) {
+				System.err.println("The condition " + condition.getName() + " is not completed well");
+			}
+		}
+		return arrayListNestedConstraints;
+	}
+
+	/**
+	 * 
+	 * @param arrayListLaxConditions
+	 */
+	private void simplifyLaxConditions(List<Condition> arrayListLaxConditions) {
+		for (Condition condition : arrayListLaxConditions) {
+			try {
+				LaxConditionSimplifier simplifier = new LaxConditionSimplifier(condition);
+				simplifier.simplify();
+
+			} catch (Exception e) {
+				System.err.println("The condition " + condition.getName() + " is not simplified well");
+			}
+		}
+	}
+
+	// TODO add variables to LaxCondition. I added. To be tested
+	/**
+	 * Add variables to the completed nested condition
+	 * 
+	 * @param nestedCondition
+	 * @param conditionVarNames
+	 */
+	private void addVariables2Condition(NestedCondition nestedCondition, List<String> conditionVarNames) {
+		for (String v : conditionVarNames) {
+			Variable conVar = NestedconditionFactory.eINSTANCE.createVariable();
+			conVar.setName(v);
+			if (!nestedCondition.getVariables().contains(conVar))
+				nestedCondition.getVariables().add(conVar);
+		}
+	}
+
+	/**
+	 * 
+	 * @param date
+	 * @param nestedConstraintModel
+	 */
+	private void persistNestedConstraintsModel(Date date, NestedConstraintModel nestedConstraintModel) {
+		SimpleDateFormat sdf = new SimpleDateFormat("yyMMddHHmmss");
+		String path = selectedFile.getParent().getLocation().toOSString();// append(Constants.NESTED_CONSTRAINTS
+																			// +
+																			// sdf.format(date)).toOSString();
+		TranslatorResourceSet resourceSet = new TranslatorResourceSet(path);
+		resourceSet.saveEObject(nestedConstraintModel,
+				nestedConstraintModel.getName().concat("_" + sdf.format(date) + Constants.NESTED_CONSTRAINTS_MODEL));
+		try {
+			selectedFile.getParent().refreshLocal(IResource.DEPTH_ONE, null);
+		} catch (CoreException e) {
+			e.printStackTrace();
+		}
+	}
+
+	/**
+	 * 
+	 * @return
+	 */
+	private boolean checkFile() {
+		if (!(selectedFile.getName().endsWith(COMPACTCONDITION)))
+			return false;
+		return true;
+	}
+
+	/**
+	 * @see IActionDelegate#selectionChanged(IAction, ISelection)
+	 */
+	@SuppressWarnings("unchecked")
+	public void selectionChanged(IAction action, ISelection selection) {
+		if (selection instanceof StructuredSelection) {
+			StructuredSelection ss = (StructuredSelection) selection;
+			Object object = ss.getFirstElement();
+			if (object instanceof IFile)
+				selectedFile = (IFile) object;
+		}
+	}
+
+	/**
+	 * @see IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)
+	 */
+	public void setActivePart(IAction action, IWorkbenchPart targetPart) {
+		shell = targetPart.getSite().getShell();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/OCL2GCAction.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/OCL2GCAction.java
new file mode 100644
index 0000000..504a6dd
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/action/OCL2GCAction.java
@@ -0,0 +1,253 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool.action;
+
+import java.text.SimpleDateFormat;
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.List;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Cursor;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IActionDelegate;
+import org.eclipse.ui.IObjectActionDelegate;
+import org.eclipse.ui.IWorkbenchPart;
+import org.eclipse.ui.PlatformUI;
+
+import de.unimarburg.swt.ocl2ac.ocl2gc.core.Completer;
+import de.unimarburg.swt.ocl2ac.ocl2gc.util.Constants;
+import de.unimarburg.swt.ocl2ac.ocl2gc.util.TranslatorResourceSet;
+import de.unimarburg.swt.ocl2ac.tool.commands.OCL2LaxCondCommand;
+import laxcondition.Condition;
+import laxcondition.util.extensions.LaxConditionSimplifier;
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedConstraint;
+import nestedcondition.NestedconditionFactory;
+import nestedcondition.Variable;
+import nestedcondition.util.extensions.NestedConditionSimplifier;
+import nestedconstraintmodel.NestedConstraintModel;
+import nestedconstraintmodel.NestedconstraintmodelFactory;
+import nestedconstraintmodel.NestedconstraintmodelPackage;
+
+public class OCL2GCAction implements IObjectActionDelegate {
+
+	private static final String OCLAS = ".oclas";
+	private static final String ECORE = ".ecore";
+	private Shell shell;
+	private List<IFile> files = null;
+	private IFile ecoreFile = null;
+	private IFile oclasFile = null;
+
+	/**
+	 * Constructor for TransformAction.
+	 */
+	public OCL2GCAction() {
+		super();
+	}
+
+	/**
+	 * @see IActionDelegate#run(IAction)
+	 */
+	public void run(IAction action) {
+		if (checkFiles()) {
+			Cursor oldCursor = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell().getCursor();
+			PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell()
+					.setCursor(new Cursor(null, SWT.CURSOR_WAIT));
+
+			long start = System.currentTimeMillis();
+			// 1. Get List of lax Conditions
+			OCL2LaxCondCommand translator = new OCL2LaxCondCommand(oclasFile, ecoreFile);
+			List<Condition> arrayListLaxConditions = translator.getSetofLaxConditions();
+			System.out.println("NN: arrayListLaxConditions size is: " + arrayListLaxConditions.size());
+			EPackage typeModel = translator.getTypeModel();
+
+			// 2. Simplify each lax condition
+			simplifyLaxConditions(arrayListLaxConditions);
+
+			// 3. Complete each lax condition to NestedConstraints
+			List<NestedConstraint> arrayListNestedConstraints = completeLaxConditions(translator,
+					arrayListLaxConditions);
+
+			// 4. Simplify each NestedConstraint
+			simplifyNextedConstraints(arrayListNestedConstraints);
+
+			long stop = System.currentTimeMillis();
+
+			long translationTime = stop - start;
+			System.out.println("[#" + translationTime + ")]");
+
+			// 5. Persist the simplified nested constraints
+			NestedconstraintmodelPackage.eINSTANCE.eClass();
+			NestedConstraintModel constraintmodel = NestedconstraintmodelFactory.eINSTANCE
+					.createNestedConstraintModel();
+			constraintmodel.setName(typeModel.getName() + "Constraints");
+
+			constraintmodel.getNestedconstrainmodels().addAll(arrayListNestedConstraints);
+
+			System.out.println("[# OCL Invariants is:(" + translator.invariants.size() + ")]");
+			System.out.println("[# Resulted NGC is:(" + arrayListNestedConstraints.size() + ")]");
+			Date date = new GregorianCalendar().getTime();
+			persistNestedConstraintsModel(date, constraintmodel);
+			shell.setCursor(oldCursor);
+
+			MessageDialog.openInformation(shell, "OCL2AC",
+					"The translation time is: (" + (translationTime / (double) 1000) + ") second(s).");
+
+		} else {
+			MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+					"Translation", "Translation can not be executed on the input.");
+		}
+
+	}
+
+	/**
+	 * 
+	 * @param arrayListNestedConstraints
+	 */
+	private void simplifyNextedConstraints(List<NestedConstraint> arrayListNestedConstraints) {
+		for (NestedConstraint nestedconstrain : arrayListNestedConstraints) {
+			try {
+				NestedConditionSimplifier simplifierNGC = new NestedConditionSimplifier(nestedconstrain);
+				boolean bc = simplifierNGC.simplify();
+			} catch (Exception e) {
+				System.err.println("The nestedconstrain " + nestedconstrain.getName() + " is not simplified well");
+			}
+		}
+	}
+
+	/**
+	 * 
+	 * @param translator
+	 * @param arrayListLaxConditions
+	 * @return
+	 */
+	private List<NestedConstraint> completeLaxConditions(OCL2LaxCondCommand translator,
+			List<Condition> arrayListLaxConditions) {
+		List<NestedConstraint> arrayListNestedConstraints = new ArrayList<NestedConstraint>();
+		List<String> conditionVarNames = null;
+		for (Condition condition : arrayListLaxConditions) {
+			try {
+				conditionVarNames = translator.mapCon2Var.get(condition);
+				Completer completer = new Completer(condition);
+				long timeNeeded = completer.complete();
+				NestedConstraint nestedConstraint = completer.getConstraint();
+				NestedCondition nestedCondition = nestedConstraint.getCondition();
+
+				if (conditionVarNames != null)
+					addVariables2Condition(nestedCondition, conditionVarNames);
+
+				arrayListNestedConstraints.add(nestedConstraint);
+			} catch (Exception e) {
+				System.err.println("The condition " + condition.getName() + " is not completed well");
+			}
+		}
+		return arrayListNestedConstraints;
+	}
+
+	/**
+	 * 
+	 * @param arrayListLaxConditions
+	 */
+	private void simplifyLaxConditions(List<Condition> arrayListLaxConditions) {
+		for (Condition condition : arrayListLaxConditions) {
+			try {
+				LaxConditionSimplifier simplifier = new LaxConditionSimplifier(condition);
+				simplifier.simplify();
+			} catch (Exception e) {
+				System.err.println("The condition " + condition.getName() + " is not simplified well");
+			}
+		}
+	}
+
+	/**
+	 * Add variables to the completed nested condition
+	 * 
+	 * @param nestedCondition
+	 * @param conditionVarNames
+	 */
+	private void addVariables2Condition(NestedCondition nestedCondition, List<String> conditionVarNames) {
+		for (String v : conditionVarNames) {
+			Variable conVar = NestedconditionFactory.eINSTANCE.createVariable();
+			conVar.setName(v);
+			if (!nestedCondition.getVariables().contains(conVar))
+				nestedCondition.getVariables().add(conVar);
+		}
+	}
+
+	/**
+	 * 
+	 * @param date
+	 * @param nestedConstraintModel
+	 */
+	private void persistNestedConstraintsModel(Date date, NestedConstraintModel nestedConstraintModel) {
+		SimpleDateFormat sdf = new SimpleDateFormat("yyMMddHHmmss");
+		String path = oclasFile.getParent().getLocation().toOSString();// append(Constants.NESTED_CONSTRAINTS
+																		// +
+																		// sdf.format(date)).toOSString();
+		TranslatorResourceSet resourceSet = new TranslatorResourceSet(path);
+		resourceSet.saveEObject(nestedConstraintModel,
+				nestedConstraintModel.getName().concat("_" + sdf.format(date) + Constants.NESTED_CONSTRAINTS_MODEL));
+		try {
+			oclasFile.getParent().refreshLocal(IResource.DEPTH_ONE, null);
+		} catch (CoreException e) {
+			e.printStackTrace();
+		}
+	}
+
+	/**
+	 * 
+	 * @return
+	 */
+	private boolean checkFiles() {
+		IFile file1 = files.get(0);
+		IFile file2 = files.get(1);
+		if (!(file1.getName().endsWith(ECORE) || file2.getName().endsWith(ECORE)))
+			return false;
+		if (!(file1.getName().endsWith(OCLAS) || file2.getName().endsWith(OCLAS)))
+			return false;
+		if (file1.getName().endsWith(ECORE)) {
+			ecoreFile = file1;
+			oclasFile = file2;
+		} else {
+			ecoreFile = file2;
+			oclasFile = file1;
+		}
+		return true;
+	}
+
+	/**
+	 * @see IActionDelegate#selectionChanged(IAction, ISelection)
+	 */
+	@SuppressWarnings("unchecked")
+	public void selectionChanged(IAction action, ISelection selection) {
+		files = new ArrayList<IFile>();
+		if (selection instanceof StructuredSelection) {
+			StructuredSelection ss = (StructuredSelection) selection;
+			List<Object> objects = ss.toList();
+			for (Object o : objects) {
+				files.add((IFile) o);
+			}
+		}
+	}
+
+	/**
+	 * @see IObjectActionDelegate#setActivePart(IAction, IWorkbenchPart)
+	 */
+	public void setActivePart(IAction action, IWorkbenchPart targetPart) {
+		shell = targetPart.getSite().getShell();
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/commands/GC2AppCondCommand.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/commands/GC2AppCondCommand.java
new file mode 100644
index 0000000..bc9af32
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/commands/GC2AppCondCommand.java
@@ -0,0 +1,185 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool.commands;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.GregorianCalendar;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.emf.common.util.BasicEList;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.ecore.util.EcoreUtil.Copier;
+import org.eclipse.emf.henshin.model.And;
+import org.eclipse.emf.henshin.model.HenshinFactory;
+import org.eclipse.emf.henshin.model.Module;
+import org.eclipse.emf.henshin.model.Rule;
+
+import de.unimarburg.swt.ocl2ac.gc2ac.core.Integrator;
+import de.unimarburg.swt.ocl2ac.gc2ac.core.Lefter;
+import de.unimarburg.swt.ocl2ac.ocl2gc.util.TranslatorResourceSet;
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedConstraint;
+
+public class GC2AppCondCommand {
+
+	private static final String HENSHIN = ".henshin";
+	private IFile henshinFile = null;
+	private Rule rule = null;
+	private NestedConstraint constraint;
+	public long translationTime = 0;
+
+	public GC2AppCondCommand() {
+	}
+
+	public GC2AppCondCommand(IFile henshinFile) {
+		this.henshinFile = henshinFile;
+	}
+
+	public boolean enableOptimizer = false;
+
+	/*
+	 * Start the integration
+	 */
+	public void integrateAndleft(NestedConstraint constraint, Rule rule) {
+		if (rule != null) {
+			this.rule = rule;
+			this.constraint = constraint;
+
+			Module module = rule.getModule();
+			Copier copy = new Copier();
+
+			Rule ruleCopyOriginal = (Rule) copy.copy(rule);
+			copy.copyReferences();
+
+			String UpdatedRuleName = rule.getName() + "_updated_" + constraint.getName();
+			if (module.getUnit(UpdatedRuleName) != null) {
+				Date date = new GregorianCalendar().getTime();
+				SimpleDateFormat sdf = new SimpleDateFormat("yyMMddHHmmss");
+				UpdatedRuleName += sdf.format(date);
+			}
+
+			rule.setName(UpdatedRuleName);
+
+			long start = System.currentTimeMillis();
+
+			// Integrate, i.e., shifting->prepare->translate2formula
+			Integrator integrator = new Integrator(constraint, rule);
+			System.out.println(this.getClass().getName() + ":" + enableOptimizer);
+			integrator.setEnableOptimizer(enableOptimizer);
+			integrator.integrate();
+
+			NestedCondition condition = integrator.getShiftedCondition();
+			// manage the result of empty overlap pairs
+			if (condition == null) {
+				System.out.println("Return in The class name: " + this.getClass().getSimpleName() + "<-");
+				return;
+			}
+			System.out.println(condition);
+			System.out.println(condition.getDomain());
+
+			constraint.setDomain(condition.getDomain());
+			constraint.setCondition(condition);
+
+			org.eclipse.emf.henshin.model.Formula existingFormula = rule.getLhs().getFormula();
+			// left the RAC to LAC
+			Lefter lefter = new Lefter(rule);
+			lefter.enableOptimizer = enableOptimizer;
+			lefter.left();
+			enableOptimizer = false;
+			// add the original nac of the rule to the result
+			if (existingFormula != null) {
+				And henshinAnd = HenshinFactory.eINSTANCE.createAnd();
+				henshinAnd.setLeft(existingFormula);
+				henshinAnd.setRight(rule.getLhs().getFormula());
+				rule.getLhs().setFormula(henshinAnd);
+			}
+
+			long stop = System.currentTimeMillis();
+			translationTime = stop - start;
+			// Persist in Place
+			module.getUnits().add(ruleCopyOriginal);
+			persistTheUpdatedRuleInPlace(module);
+		}
+	}
+
+	/**
+	 * 
+	 * @param graph
+	 * @return
+	 */
+	private EList<org.eclipse.emf.henshin.model.Edge> getEdgesTypedContainment(
+			org.eclipse.emf.henshin.model.Graph graph) {
+		EList<org.eclipse.emf.henshin.model.Edge> containmentEdges = new BasicEList<org.eclipse.emf.henshin.model.Edge>();
+
+		for (org.eclipse.emf.henshin.model.Edge edge : graph.getEdges()) {
+			if (edge.getType().isContainment())
+				containmentEdges.add(edge);
+		}
+		return containmentEdges;
+	}
+
+	/*
+	 * Start the integration
+	 */
+	public void integrateAndleftInPlace(NestedConstraint constraint, Rule rule) {
+		if (rule != null) {
+			this.rule = rule;
+			this.constraint = constraint;
+			long start = System.currentTimeMillis();
+
+			// Integrate, i.e., shifting->prepare->translate2formula
+			Integrator integrator = new Integrator(constraint, rule);
+			System.out.println(this.getClass().getName() + ":" + enableOptimizer);
+			integrator.setEnableOptimizer(enableOptimizer);
+			integrator.integrate();
+
+			NestedCondition condition = integrator.getShiftedCondition();
+			// manage the result of empty overlap pairs
+			if (condition == null) {
+				System.out.println("Return in The class name: " + this.getClass().getSimpleName() + "<-");
+				return;
+			}
+			System.out.println(condition);
+			System.out.println(condition.getDomain());
+
+			constraint.setDomain(condition.getDomain());
+			constraint.setCondition(condition);
+
+			org.eclipse.emf.henshin.model.Formula existingFormula = rule.getLhs().getFormula();
+
+			// left the RAC to LAC
+			Lefter lefter = new Lefter(rule);
+			lefter.enableOptimizer = enableOptimizer;
+			lefter.left();
+
+			// add the original nac of the rule to the result
+			if (existingFormula != null) {
+				And henshinAnd = HenshinFactory.eINSTANCE.createAnd();
+				henshinAnd.setLeft(existingFormula);
+				henshinAnd.setRight(rule.getLhs().getFormula());
+				rule.getLhs().setFormula(henshinAnd);
+			}
+
+			long stop = System.currentTimeMillis();
+			translationTime = stop - start;
+		}
+	}
+
+	private void persistTheUpdatedRuleInPlace(Module module) {
+		String path = henshinFile.getLocation().toOSString();
+		TranslatorResourceSet resourceSet = new TranslatorResourceSet(path);
+		resourceSet.saveEObject(module, path);
+		try {
+			henshinFile.getParent().refreshLocal(IResource.DEPTH_INFINITE, null);
+		} catch (CoreException e) {
+			e.printStackTrace();
+		}
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/commands/LaxCond2AppCondCommand.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/commands/LaxCond2AppCondCommand.java
new file mode 100644
index 0000000..21513c2
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/commands/LaxCond2AppCondCommand.java
@@ -0,0 +1,114 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool.commands;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.GregorianCalendar;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.emf.ecore.util.EcoreUtil.Copier;
+import org.eclipse.emf.henshin.model.And;
+import org.eclipse.emf.henshin.model.HenshinFactory;
+import org.eclipse.emf.henshin.model.Module;
+import org.eclipse.emf.henshin.model.Rule;
+
+import de.unimarburg.swt.ocl2ac.gc2ac.core.Integrator;
+import de.unimarburg.swt.ocl2ac.gc2ac.core.Lefter;
+import de.unimarburg.swt.ocl2ac.ocl2gc.util.TranslatorResourceSet;
+import laxcondition.Condition;
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedConstraint;
+
+public class LaxCond2AppCondCommand {
+
+	private static final String HENSHIN = ".henshin";
+	private IFile henshinFile = null;
+	private Rule rule = null;
+	private Condition compactCondition;
+	public long translationTime = 0;
+
+	public LaxCond2AppCondCommand() {
+	}
+
+	public LaxCond2AppCondCommand(IFile henshinFile) {
+		this.henshinFile = henshinFile;
+	}
+
+	/*
+	 * Start the integration
+	 */
+	public void integrateAndleft(Condition compactCondition, Rule rule) {
+		if (rule != null) {
+			this.rule = rule;
+			this.compactCondition = compactCondition;
+
+			Module module = rule.getModule();
+			Copier copy = new Copier();
+
+			Rule ruleCopyOriginal = (Rule) copy.copy(rule);
+			copy.copyReferences();
+
+			String UpdatedRuleName = rule.getName() + "_updated_" + compactCondition.getName();
+			if (module.getUnit(UpdatedRuleName) != null) {
+				Date date = new GregorianCalendar().getTime();
+				SimpleDateFormat sdf = new SimpleDateFormat("yyMMddHHmmss");
+				UpdatedRuleName += sdf.format(date);
+			}
+
+			rule.setName(UpdatedRuleName);
+
+			long start = System.currentTimeMillis();
+
+			// Phase I: Compact condition to ngc
+			LaxCond2GCCommand compactCondition2NGC = new LaxCond2GCCommand();
+			NestedConstraint nestedConstraint = compactCondition2NGC.translate(compactCondition);
+
+			// Phase II: Integrate, i.e., shifting->prepare->translate2formula
+			Integrator integrator = new Integrator(nestedConstraint, rule);
+			integrator.integrate();
+
+			NestedCondition condition = integrator.getShiftedCondition();
+			nestedConstraint.setDomain(condition.getDomain());
+			nestedConstraint.setCondition(condition);
+
+			org.eclipse.emf.henshin.model.Formula existingFormula = rule.getLhs().getFormula();
+
+			// left the RAC to LAC
+			Lefter lefter = new Lefter(rule);
+			lefter.left();
+
+			// add the original nac of the rule to the result
+			if (existingFormula != null) {
+				And henshinAnd = HenshinFactory.eINSTANCE.createAnd();
+				henshinAnd.setLeft(existingFormula);
+				henshinAnd.setRight(rule.getLhs().getFormula());
+				rule.getLhs().setFormula(henshinAnd);
+			}
+
+			long stop = System.currentTimeMillis();
+			translationTime = stop - start;
+
+			// Persist in Place
+			module.getUnits().add(ruleCopyOriginal);
+			persistTheUpdatedRuleInPlace(module);
+		}
+	}
+
+	private void persistTheUpdatedRuleInPlace(Module module) {
+		String path = henshinFile.getLocation().toOSString();
+		TranslatorResourceSet resourceSet = new TranslatorResourceSet(path);
+		resourceSet.saveEObject(module, path);
+		try {
+			henshinFile.getParent().refreshLocal(IResource.DEPTH_INFINITE, null);
+		} catch (CoreException e) {
+			e.printStackTrace();
+		}
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/commands/LaxCond2GCCommand.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/commands/LaxCond2GCCommand.java
new file mode 100644
index 0000000..9c763b0
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/commands/LaxCond2GCCommand.java
@@ -0,0 +1,175 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool.commands;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+
+import org.eclipse.emf.henshin.interpreter.EGraph;
+import org.eclipse.emf.henshin.interpreter.Engine;
+import org.eclipse.emf.henshin.interpreter.Match;
+import org.eclipse.emf.henshin.interpreter.impl.EGraphImpl;
+import org.eclipse.emf.henshin.interpreter.impl.EngineImpl;
+import org.eclipse.emf.henshin.interpreter.util.InterpreterUtil;
+import org.eclipse.emf.henshin.model.HenshinFactory;
+import org.eclipse.emf.henshin.model.HenshinPackage;
+import org.eclipse.emf.henshin.model.Mapping;
+import org.eclipse.emf.henshin.model.Node;
+import org.eclipse.emf.henshin.model.Parameter;
+import org.eclipse.emf.henshin.model.Rule;
+import org.eclipse.jface.action.IAction;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.ui.IActionDelegate;
+
+import de.unimarburg.swt.ocl2ac.ocl2gc.core.Completer;
+import laxcondition.Condition;
+import laxcondition.LaxconditionPackage;
+import laxcondition.util.extensions.LaxConditionSimplifier;
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedConstraint;
+import nestedcondition.NestedconditionFactory;
+import nestedcondition.Variable;
+import nestedcondition.util.extensions.NestedConditionSimplifier;
+
+public class LaxCond2GCCommand {
+
+	private Shell shell;
+	HashMap<Condition, List<String>> mapCon2Var = null;
+
+	/**
+	 * Constructor for TransformAction.
+	 */
+	public LaxCond2GCCommand() {
+		super();
+	}
+
+	/**
+	 * @see IActionDelegate#run(IAction)
+	 */
+	public NestedConstraint translate(Condition compactCondition) {
+		mapCon2Var = new HashMap<Condition, List<String>>();
+		long start = System.currentTimeMillis();
+		// 0. Construct mapCon2Var
+		mapCon2Var.put(compactCondition, getDistinctVariableNames(compactCondition));
+		// 1. Simplify each lax condition
+		simplifyLaxCondition(compactCondition);
+		// 2. Complete each lax condition to NestedConstraints
+		NestedConstraint nestedGraphConstraint = completeLaxConditions(mapCon2Var, compactCondition);
+		// 3. Simplify each NestedConstraint
+		simplifyNestedConstraints(nestedGraphConstraint);
+		long stop = System.currentTimeMillis();
+		long translationTime = stop - start;
+		// System.out.println("[#" + translationTime + ")]");
+		return nestedGraphConstraint;
+	}
+
+	/**
+	 * 
+	 * @param cond
+	 *            of LaxconditionPackage
+	 * @return
+	 */
+	private List<String> getDistinctVariableNames(Condition cond) {
+		List<String> varNames = new ArrayList<String>();
+		HenshinFactory factory = HenshinFactory.eINSTANCE;
+		Rule rule = factory.createRule();
+		Parameter param = factory.createParameter("p");
+		rule.getParameters().add(param);
+		Node sourceLHS = factory.createNode(rule.getLhs(), LaxconditionPackage.Literals.VARIABLE, "");
+		sourceLHS.setName(param.getName());
+		Node sourceRHS = factory.createNode(rule.getRhs(), LaxconditionPackage.Literals.VARIABLE, "");
+		sourceRHS.setName(param.getName());
+		Mapping sourceMapping = factory.createMapping(sourceLHS, sourceRHS);
+		rule.getMappings().add(sourceMapping);
+
+		HenshinPackage.eINSTANCE.eClass();
+		EGraph graph = new EGraphImpl(cond);
+		Engine engine = new EngineImpl();
+		List<Match> allMatches = InterpreterUtil.findAllMatches(engine, rule, graph, null);
+		for (Match m : allMatches) {
+			Object parameterValue = m.getParameterValue(param);
+			if (parameterValue instanceof laxcondition.Variable) {
+				laxcondition.Variable v = (laxcondition.Variable) parameterValue;
+				if (v.getName() != null) {
+					if (!varNames.contains(v.getName())) {
+						varNames.add(v.getName());
+					}
+				}
+			}
+		}
+
+		return varNames;
+	}
+
+	/**
+	 * 
+	 * @param arrayListNestedConstraints
+	 */
+	private void simplifyNestedConstraints(NestedConstraint nestedconstrain) {
+		try {
+			NestedConditionSimplifier simplifierNGC = new NestedConditionSimplifier(nestedconstrain);
+			boolean bc = simplifierNGC.simplify();
+		} catch (Exception e) {
+			System.err.println("The nestedconstrain " + nestedconstrain.getName() + " is not simplified well");
+		}
+	}
+
+	/**
+	 * 
+	 * @param translator
+	 * @param arrayListLaxConditions
+	 * @return
+	 */
+	private NestedConstraint completeLaxConditions(HashMap<Condition, List<String>> mapCon2Var, Condition condition) {
+		List<String> conditionVarNames = null;
+		NestedConstraint nestedConstraint = null;
+		try {
+			conditionVarNames = mapCon2Var.get(condition);
+			Completer completer = new Completer(condition);
+			long timeNeeded = completer.complete();
+			nestedConstraint = completer.getConstraint();
+			NestedCondition nestedCondition = nestedConstraint.getCondition();
+
+			if (conditionVarNames != null)
+				addVariables2Condition(nestedCondition, conditionVarNames);
+
+		} catch (Exception e) {
+			System.err.println("The condition " + condition.getName() + " is not completed well");
+		}
+
+		return nestedConstraint;
+	}
+
+	/**
+	 * 
+	 * @param arrayListLaxConditions
+	 */
+	private void simplifyLaxCondition(Condition condition) {
+		try {
+			LaxConditionSimplifier simplifier = new LaxConditionSimplifier(condition);
+			simplifier.simplify();
+		} catch (Exception e) {
+			System.err.println("The condition " + condition.getName() + " is not simplified well");
+		}
+	}
+
+	/**
+	 * Add variables to the completed nested condition
+	 * 
+	 * @param nestedCondition
+	 * @param conditionVarNames
+	 */
+	private void addVariables2Condition(NestedCondition nestedCondition, List<String> conditionVarNames) {
+		for (String v : conditionVarNames) {
+			Variable conVar = NestedconditionFactory.eINSTANCE.createVariable();
+			conVar.setName(v);
+			if (!nestedCondition.getVariables().contains(conVar))
+				nestedCondition.getVariables().add(conVar);
+		}
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/commands/OCL2LaxCondCommand.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/commands/OCL2LaxCondCommand.java
new file mode 100644
index 0000000..a5f76a1
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/commands/OCL2LaxCondCommand.java
@@ -0,0 +1,124 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool.commands;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.GregorianCalendar;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.emf.common.util.BasicEList;
+import org.eclipse.emf.common.util.URI;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.resource.Resource;
+import org.eclipse.emf.ecore.resource.ResourceSet;
+import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
+import org.eclipse.emf.ecore.xmi.impl.XMIResourceFactoryImpl;
+import org.eclipse.ocl.pivot.Constraint;
+import org.eclipse.ocl.pivot.ExpressionInOCL;
+import org.eclipse.ocl.pivot.Model;
+import org.eclipse.ocl.pivot.PivotFactory;
+import org.eclipse.ocl.pivot.PivotPackage;
+
+import de.unimarburg.swt.ocl2ac.ocl2gc.core.Translator;
+import graph.GraphFactory;
+import laxcondition.Condition;
+import laxcondition.LaxCondition;
+import laxcondition.LaxconditionFactory;
+
+public class OCL2LaxCondCommand extends Translator {
+
+	public HashMap<Condition, List<String>> mapCon2Var;
+
+	public OCL2LaxCondCommand(IFile oclasFile, IFile ecoreFile) {
+		this.oclasFile = oclasFile;
+		this.ecoreFile = ecoreFile;
+		this.invariants = new BasicEList<Constraint>();
+		this.laxconditionFactory = LaxconditionFactory.eINSTANCE;
+		this.mapCon2Var = new HashMap<Condition, List<String>>();
+		this.graphFactory = GraphFactory.eINSTANCE;
+		this.oclFactory = PivotFactory.eINSTANCE;
+		this.varIndex = 1;
+		initModels();
+		prepareOCLModel();
+		refactorOCLModel();
+
+	}
+
+	/**
+	 * supporting static ePackage for a given meta-model
+	 */
+	protected void initModels() {
+		URI uriOclAS = URI.createPlatformResourceURI(this.oclasFile.getFullPath().toString(), true);
+		URI uriEcore = URI.createPlatformResourceURI(this.ecoreFile.getFullPath().toString(), true);
+		if (uriOclAS != null && uriEcore != null) {
+			// Load the input models and the corresponding invariants
+			PivotPackage.eINSTANCE.eClass();
+			Resource.Factory.Registry reg = Resource.Factory.Registry.INSTANCE;
+			Map<String, Object> m = reg.getExtensionToFactoryMap();
+			m.put("*.oclas", new XMIResourceFactoryImpl());
+			ResourceSet resSet = new ResourceSetImpl();
+			Resource resourceOclAS = resSet.getResource(uriOclAS, true);
+			this.oclModel = (Model) resourceOclAS.getContents().get(0);
+			// Load Ecore for meta/type model references
+			Resource resourceEcore = resSet.getResource(uriEcore, true);
+			EPackage dynamicEPackage = (EPackage) resourceEcore.getContents().get(0);
+			this.setTypeModel(EPackage.Registry.INSTANCE.getEPackage(dynamicEPackage.getNsURI()));
+			if (this.getTypeModel() == null)
+				this.setTypeModel(dynamicEPackage);
+			System.out.println(getTypeModel());
+		}
+	}
+
+	/**
+	 * The entry point
+	 * 
+	 * @return
+	 */
+	public List<Condition> getSetofLaxConditions() {
+		long start = System.currentTimeMillis();
+		Date date = new GregorianCalendar().getTime();
+		List<Condition> arrayList = new ArrayList<Condition>();
+		System.out.println("### The number of OCL Invariants is: " + invariants.size() + " ####");
+		for (Constraint inv : invariants) {
+			System.out.println("=====[ Invariant Name: " + inv.getName() + " ]=====");
+			if (inv.getOwnedSpecification() != null) {
+				ExpressionInOCL exprInOcl = null;
+				exprInOcl = (ExpressionInOCL) inv.getOwnedSpecification();
+				System.out.println("---[ Invariant Body: " + exprInOcl.getOwnedBody() + " ]---");
+
+				if (exprInOcl.getOwnedBody() != null) {
+					try {
+						Condition condition = laxconditionFactory.createCondition();
+						condition.setName(inv.getName());
+						condition.setTypeGraph(this.getTypeModel());
+						// The entry point
+						LaxCondition laxCondition = translate_I(inv);
+						if (laxCondition == null)
+							continue;
+						condition.setLaxCondition(laxCondition);
+						// get variables
+						this.mapCon2Var.put(condition, varNames);
+						varNames = new ArrayList<String>();
+						arrayList.add(condition);
+					} catch (Exception e) {
+						System.err.println("The OCL constraint " + inv.getName() + " is not well translated");
+
+						System.out.println(e.getMessage());
+					}
+				}
+			}
+		}
+
+		long stop = System.currentTimeMillis();
+		System.out.println((stop - start));
+		return arrayList;
+	}
+
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/optimizer/IntegrationChecker.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/optimizer/IntegrationChecker.java
new file mode 100644
index 0000000..edfbbdf
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/optimizer/IntegrationChecker.java
@@ -0,0 +1,349 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool.optimizer;
+
+import org.eclipse.emf.common.util.BasicEList;
+import org.eclipse.emf.common.util.EList;
+import org.eclipse.emf.common.util.TreeIterator;
+import org.eclipse.emf.ecore.EAttribute;
+import org.eclipse.emf.ecore.EClass;
+import org.eclipse.emf.ecore.EObject;
+import org.eclipse.emf.ecore.EPackage;
+import org.eclipse.emf.ecore.EReference;
+import org.eclipse.emf.henshin.model.Action;
+import org.eclipse.emf.henshin.model.Attribute;
+import org.eclipse.emf.henshin.model.Edge;
+import org.eclipse.emf.henshin.model.Node;
+import org.eclipse.emf.henshin.model.Rule;
+
+import de.unimarburg.swt.ocl2ac.gc2ac.core.NestedConditionPreparer;
+import de.unimarburg.swt.ocl2ac.gc2ac.util.RuleClassifier;
+import laxcondition.Condition;
+import nestedcondition.NestedCondition;
+import nestedcondition.NestedConstraint;
+
+public class IntegrationChecker {
+
+	EList<EClass> graphsNodesTypes = new BasicEList<EClass>();
+	EList<EReference> graphsEdgesTypes = new BasicEList<EReference>();
+	EList<EAttribute> graphsAttributesTypes = new BasicEList<EAttribute>();
+
+	/**
+	 * The official ones
+	 * 
+	 * @param rule
+	 * @param nestedConstraint
+	 * @return
+	 */
+	public boolean mustIntegrate(Rule rule, NestedConstraint nestedConstraint) {
+
+		if (isThereOverlap(rule, nestedConstraint)) {
+			System.out.println("There is an overlap.");
+			NestedConditionPreparer preparer = new NestedConditionPreparer(nestedConstraint);
+			preparer.eliminateForAllANotExistsC();
+			NestedCondition condition = preparer.getCondition();
+
+			RuleClassifier rc = new RuleClassifier(rule);
+
+			if (preparer.isOfFormExistsC(condition)) {
+				System.out.println("The constraint is of form Exists C.");
+				if (rc.doesRuleCreateOnly()) {
+					System.out.println("The rule creates only.");
+					System.out.println("There is an overlap but no need for the integration.");
+					return false;
+				}
+			}
+
+			if (preparer.isOfFormNotExistsC(condition)) {
+				System.out.println("The constraint is of form Not Exists C.");
+				if (rc.doesRuleDeleteOnly()) {
+					System.out.println("The rule deletes only.");
+					System.out.println("There is an overlap but no need for the integration.");
+					return false;
+				}
+			}
+
+			System.out.println("Go to the integration");
+			return true;
+		} else {
+			System.out.println("No overlap at all");
+			return false;
+		}
+	}
+
+	/**
+	 * 
+	 * @param rule
+	 * @param nestedConstraint
+	 * @return
+	 */
+	private boolean isThereOverlap(Rule rule, NestedConstraint nestedConstraint) {
+		EList<Node> createActionNodes = rule.getActionNodes(new Action(Action.Type.CREATE));
+		EList<Node> deleteActionNodes = rule.getActionNodes(new Action(Action.Type.DELETE));
+		EList<Node> ruleNodes = new BasicEList<Node>();
+		ruleNodes.addAll(createActionNodes);
+		ruleNodes.addAll(deleteActionNodes);
+		EList<EClass> ruleNodesTypes = new BasicEList<EClass>();
+		for (Node node : ruleNodes) {
+			if (!ruleNodesTypes.contains(node.getType()))
+				ruleNodesTypes.add(node.getType());
+		}
+
+		EList<Edge> createActionEdges = rule.getActionEdges(new Action(Action.Type.CREATE));
+		EList<Edge> deleteActionEdges = rule.getActionEdges(new Action(Action.Type.DELETE));
+		EList<Edge> ruleEdges = new BasicEList<Edge>();
+		ruleEdges.addAll(createActionEdges);
+		ruleEdges.addAll(deleteActionEdges);
+		EList<EReference> ruleEdgesTypes = new BasicEList<EReference>();
+		for (Edge edge : ruleEdges) {
+			if (!ruleEdgesTypes.contains(edge.getType()))
+				ruleEdgesTypes.add(edge.getType());
+		}
+
+		EList<Attribute> createActionAttribute = new BasicEList<Attribute>();
+		for (Node node : rule.getRhs().getNodes()) {
+			for (Attribute attr : node.getAttributes()) {
+				if (attr.getAction() != null) {
+					if (attr.getAction().getType() == Action.Type.CREATE)
+						createActionAttribute.add(attr);
+				}
+			}
+		}
+
+		EList<Attribute> deleteActionAttribute = new BasicEList<Attribute>();
+		for (Node node : rule.getLhs().getNodes()) {
+			for (Attribute attr : node.getAttributes()) {
+				if (attr.getAction().getType() == Action.Type.DELETE)
+					deleteActionAttribute.add(attr);
+			}
+		}
+
+		EList<Attribute> ruleAttributes = new BasicEList<Attribute>();
+		ruleAttributes.addAll(createActionAttribute);
+		ruleAttributes.addAll(deleteActionAttribute);
+
+		EList<EAttribute> ruleAttributeTypes = new BasicEList<EAttribute>();
+		for (Attribute attr : ruleAttributes) {
+			if (!ruleAttributeTypes.contains(attr.getType()))
+				ruleAttributeTypes.add(attr.getType());
+		}
+
+		fillNodesTypesAndEdgesTypes(nestedConstraint);
+
+		if (areClanDisjoint(ruleNodesTypes, graphsNodesTypes) && areEdgeDisjoint(ruleEdgesTypes, graphsEdgesTypes)
+				&& areAttibuteDisjoint(ruleAttributeTypes, graphsAttributesTypes))
+			return false;
+		else
+			return true;
+	}
+
+	/**
+	 * 
+	 * 
+	 * @param rule
+	 * @param condition
+	 * @return
+	 */
+	public boolean mustIntegrateWithoutAttribute(Rule rule, Condition condition) {
+
+		EList<Node> createActionNodes = rule.getActionNodes(new Action(Action.Type.CREATE));
+		EList<Node> deleteActionNodes = rule.getActionNodes(new Action(Action.Type.DELETE));
+		EList<Node> ruleNodes = new BasicEList<Node>();
+		ruleNodes.addAll(createActionNodes);
+		ruleNodes.addAll(deleteActionNodes);
+		EList<EClass> ruleNodesTypes = new BasicEList<EClass>();
+		for (Node node : ruleNodes) {
+			if (!ruleNodesTypes.contains(node.getType()))
+				ruleNodesTypes.add(node.getType());
+		}
+
+		EList<Edge> createActionEdges = rule.getActionEdges(new Action(Action.Type.CREATE));
+		EList<Edge> deleteActionEdges = rule.getActionEdges(new Action(Action.Type.DELETE));
+		EList<Edge> ruleEdges = new BasicEList<Edge>();
+		ruleEdges.addAll(createActionEdges);
+		ruleEdges.addAll(deleteActionEdges);
+		EList<EReference> ruleEdgesTypes = new BasicEList<EReference>();
+		for (Edge edge : ruleEdges) {
+			if (!ruleEdgesTypes.contains(edge.getType()))
+				ruleEdgesTypes.add(edge.getType());
+		}
+
+		fillNodesTypesAndEdgesTypes(condition);
+
+		if (areClanDisjoint(ruleNodesTypes, graphsNodesTypes) && areEdgeDisjoint(ruleEdgesTypes, graphsEdgesTypes))
+			return false;
+		else
+			return true;
+	}
+
+	/**
+	 * 
+	 * @param nestedConstraint
+	 */
+	private void fillNodesTypesAndEdgesTypes(NestedConstraint nestedConstraint) {
+		graphsNodesTypes.clear();
+		graphsEdgesTypes.clear();
+		TreeIterator<EObject> iter = nestedConstraint.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (eObject instanceof graph.Node) {
+				graph.Node node = (graph.Node) eObject;
+				if (!graphsNodesTypes.contains(node.getType()))
+					graphsNodesTypes.add(node.getType());
+			}
+
+			if (eObject instanceof graph.Edge) {
+				graph.Edge edge = (graph.Edge) eObject;
+				if (!graphsEdgesTypes.contains(edge.getType()))
+					graphsEdgesTypes.add(edge.getType());
+			}
+
+			if (eObject instanceof graph.Attribute) {
+				graph.Attribute attribute = (graph.Attribute) eObject;
+				if (!graphsAttributesTypes.contains(attribute.getType()))
+					graphsAttributesTypes.add(attribute.getType());
+
+			}
+		}
+
+	}
+
+	/**
+	 * 
+	 * @param condition
+	 */
+	private void fillNodesTypesAndEdgesTypes(Condition condition) {
+		graphsNodesTypes.clear();
+		graphsEdgesTypes.clear();
+		TreeIterator<EObject> iter = condition.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (eObject instanceof graph.Node) {
+				graph.Node node = (graph.Node) eObject;
+				if (!graphsNodesTypes.contains(node.getType()))
+					graphsNodesTypes.add(node.getType());
+			}
+
+			if (eObject instanceof graph.Edge) {
+				graph.Edge edge = (graph.Edge) eObject;
+				if (!graphsEdgesTypes.contains(edge.getType()))
+					graphsEdgesTypes.add(edge.getType());
+			}
+
+			if (eObject instanceof graph.Attribute) {
+				graph.Attribute attribute = (graph.Attribute) eObject;
+				if (!graphsAttributesTypes.contains(attribute.getType()))
+					graphsAttributesTypes.add(attribute.getType());
+
+			}
+		}
+
+	}
+
+	/**
+	 *
+	 * 
+	 * @param typesList1
+	 * @param typesList2
+	 * @return
+	 */
+	private boolean areClanDisjoint(EList<EClass> typesList1, EList<EClass> typesList2) {
+		for (EClass type1 : typesList1) {
+			EList<EClass> clan1 = getClan(type1);
+			for (EClass type2 : typesList2) {
+				if (clan1.contains(type2)) {
+					return false;
+				}
+			}
+		}
+		for (EClass type2 : typesList2) {
+			EList<EClass> clan2 = getClan(type2);
+			for (EClass type1 : typesList1) {
+				if (clan2.contains(type1)) {
+					return false;
+				}
+			}
+		}
+		return true;
+	}
+
+	/**
+	 * 
+	 * @param typesList1
+	 * @param typesList2
+	 * @return
+	 */
+	private boolean areEdgeDisjoint(EList<EReference> typesList1, EList<EReference> typesList2) {
+		if (typesList1.size() <= typesList2.size()) {
+			for (EReference type1 : typesList1) {
+				if (typesList2.contains(type1))
+					return false;
+			}
+		} else {
+			for (EReference type2 : typesList2) {
+				if (typesList1.contains(type2))
+					return false;
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * 
+	 * @param typesList1
+	 * @param typesList2
+	 * @return
+	 */
+	private boolean areAttibuteDisjoint(EList<EAttribute> typesList1, EList<EAttribute> typesList2) {
+		if (typesList1.size() <= typesList2.size()) {
+			for (EAttribute type1 : typesList1) {
+				if (typesList2.contains(type1))
+					return false;
+			}
+		} else {
+			for (EAttribute type2 : typesList2) {
+				if (typesList1.contains(type2))
+					return false;
+			}
+		}
+
+		return true;
+	}
+
+	/**
+	 * 
+	 * @param eClass
+	 * @return
+	 */
+	private EList<EClass> getClan(EClass eClass) {
+		EList<EClass> eClasses = new BasicEList<EClass>();
+		eClasses.add(eClass);
+		eClasses.addAll(getAllSubclasses(eClass));
+		return eClasses;
+	}
+
+	/**
+	 * 
+	 * @param eClass
+	 * @return
+	 */
+	private EList<EClass> getAllSubclasses(EClass eClass) {
+		EList<EClass> eClasses = new BasicEList<EClass>();
+		EPackage ePackage = eClass.getEPackage();
+		TreeIterator<EObject> iter = ePackage.eAllContents();
+		while (iter.hasNext()) {
+			EObject eObject = iter.next();
+			if (eObject instanceof EClass) {
+				EClass clazz = (EClass) eObject;
+				if (clazz.getEAllSuperTypes().contains(eClass)) {
+					eClasses.add(clazz);
+				}
+			}
+		}
+		return eClasses;
+	}
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/ui/SWTResourceManager.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/ui/SWTResourceManager.java
new file mode 100644
index 0000000..3daa583
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/ui/SWTResourceManager.java
@@ -0,0 +1,485 @@
+/*******************************************************************************
+ * Copyright (c) 2011 Google, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Google, Inc. - initial API and implementation
+ *******************************************************************************/
+package de.unimarburg.swt.ocl2ac.tool.ui;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Cursor;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.FontData;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.graphics.RGB;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Display;
+
+/**
+ * Utility class for managing OS resources associated with SWT controls such as
+ * colors, fonts, images, etc.
+ * <p>
+ * !!! IMPORTANT !!! Application code must explicitly invoke the
+ * <code>dispose()</code> method to release the operating system resources
+ * managed by cached objects when those objects and OS resources are no longer
+ * needed (e.g. on application shutdown)
+ * <p>
+ * This class may be freely distributed as part of any application or plugin.
+ * <p>
+ * 
+ * @author scheglov_ke
+ * @author Dan Rubel
+ */
+public class SWTResourceManager {
+	////////////////////////////////////////////////////////////////////////////
+	//
+	// Color
+	//
+	////////////////////////////////////////////////////////////////////////////
+	private static Map<RGB, Color> m_colorMap = new HashMap<RGB, Color>();
+
+	/**
+	 * Returns the system {@link Color} matching the specific ID.
+	 * 
+	 * @param systemColorID
+	 *            the ID value for the color
+	 * @return the system {@link Color} matching the specific ID
+	 */
+	public static Color getColor(int systemColorID) {
+		Display display = Display.getCurrent();
+		return display.getSystemColor(systemColorID);
+	}
+
+	/**
+	 * Returns a {@link Color} given its red, green and blue component values.
+	 * 
+	 * @param r
+	 *            the red component of the color
+	 * @param g
+	 *            the green component of the color
+	 * @param b
+	 *            the blue component of the color
+	 * @return the {@link Color} matching the given red, green and blue
+	 *         component values
+	 */
+	public static Color getColor(int r, int g, int b) {
+		return getColor(new RGB(r, g, b));
+	}
+
+	/**
+	 * Returns a {@link Color} given its RGB value.
+	 * 
+	 * @param rgb
+	 *            the {@link RGB} value of the color
+	 * @return the {@link Color} matching the RGB value
+	 */
+	public static Color getColor(RGB rgb) {
+		Color color = m_colorMap.get(rgb);
+		if (color == null) {
+			Display display = Display.getCurrent();
+			color = new Color(display, rgb);
+			m_colorMap.put(rgb, color);
+		}
+		return color;
+	}
+
+	/**
+	 * Dispose of all the cached {@link Color}'s.
+	 */
+	public static void disposeColors() {
+		for (Color color : m_colorMap.values()) {
+			color.dispose();
+		}
+		m_colorMap.clear();
+	}
+
+	////////////////////////////////////////////////////////////////////////////
+	//
+	// Image
+	//
+	////////////////////////////////////////////////////////////////////////////
+	/**
+	 * Maps image paths to images.
+	 */
+	private static Map<String, Image> m_imageMap = new HashMap<String, Image>();
+
+	/**
+	 * Returns an {@link Image} encoded by the specified {@link InputStream}.
+	 * 
+	 * @param stream
+	 *            the {@link InputStream} encoding the image data
+	 * @return the {@link Image} encoded by the specified input stream
+	 */
+	protected static Image getImage(InputStream stream) throws IOException {
+		try {
+			Display display = Display.getCurrent();
+			ImageData data = new ImageData(stream);
+			if (data.transparentPixel > 0) {
+				return new Image(display, data, data.getTransparencyMask());
+			}
+			return new Image(display, data);
+		} finally {
+			stream.close();
+		}
+	}
+
+	/**
+	 * Returns an {@link Image} stored in the file at the specified path.
+	 * 
+	 * @param path
+	 *            the path to the image file
+	 * @return the {@link Image} stored in the file at the specified path
+	 */
+	public static Image getImage(String path) {
+		Image image = m_imageMap.get(path);
+		if (image == null) {
+			try {
+				image = getImage(new FileInputStream(path));
+				m_imageMap.put(path, image);
+			} catch (Exception e) {
+				image = getMissingImage();
+				m_imageMap.put(path, image);
+			}
+		}
+		return image;
+	}
+
+	/**
+	 * Returns an {@link Image} stored in the file at the specified path
+	 * relative to the specified class.
+	 * 
+	 * @param clazz
+	 *            the {@link Class} relative to which to find the image
+	 * @param path
+	 *            the path to the image file, if starts with <code>'/'</code>
+	 * @return the {@link Image} stored in the file at the specified path
+	 */
+	public static Image getImage(Class<?> clazz, String path) {
+		String key = clazz.getName() + '|' + path;
+		Image image = m_imageMap.get(key);
+		if (image == null) {
+			try {
+				image = getImage(clazz.getResourceAsStream(path));
+				m_imageMap.put(key, image);
+			} catch (Exception e) {
+				image = getMissingImage();
+				m_imageMap.put(key, image);
+			}
+		}
+		return image;
+	}
+
+	private static final int MISSING_IMAGE_SIZE = 10;
+
+	/**
+	 * @return the small {@link Image} that can be used as placeholder for
+	 *         missing image.
+	 */
+	private static Image getMissingImage() {
+		Image image = new Image(Display.getCurrent(), MISSING_IMAGE_SIZE, MISSING_IMAGE_SIZE);
+		//
+		GC gc = new GC(image);
+		gc.setBackground(getColor(SWT.COLOR_RED));
+		gc.fillRectangle(0, 0, MISSING_IMAGE_SIZE, MISSING_IMAGE_SIZE);
+		gc.dispose();
+		//
+		return image;
+	}
+
+	/**
+	 * Style constant for placing decorator image in top left corner of base
+	 * image.
+	 */
+	public static final int TOP_LEFT = 1;
+	/**
+	 * Style constant for placing decorator image in top right corner of base
+	 * image.
+	 */
+	public static final int TOP_RIGHT = 2;
+	/**
+	 * Style constant for placing decorator image in bottom left corner of base
+	 * image.
+	 */
+	public static final int BOTTOM_LEFT = 3;
+	/**
+	 * Style constant for placing decorator image in bottom right corner of base
+	 * image.
+	 */
+	public static final int BOTTOM_RIGHT = 4;
+	/**
+	 * Internal value.
+	 */
+	protected static final int LAST_CORNER_KEY = 5;
+	/**
+	 * Maps images to decorated images.
+	 */
+	@SuppressWarnings("unchecked")
+	private static Map<Image, Map<Image, Image>>[] m_decoratedImageMap = new Map[LAST_CORNER_KEY];
+
+	/**
+	 * Returns an {@link Image} composed of a base image decorated by another
+	 * image.
+	 * 
+	 * @param baseImage
+	 *            the base {@link Image} that should be decorated
+	 * @param decorator
+	 *            the {@link Image} to decorate the base image
+	 * @return {@link Image} The resulting decorated image
+	 */
+	public static Image decorateImage(Image baseImage, Image decorator) {
+		return decorateImage(baseImage, decorator, BOTTOM_RIGHT);
+	}
+
+	/**
+	 * Returns an {@link Image} composed of a base image decorated by another
+	 * image.
+	 * 
+	 * @param baseImage
+	 *            the base {@link Image} that should be decorated
+	 * @param decorator
+	 *            the {@link Image} to decorate the base image
+	 * @param corner
+	 *            the corner to place decorator image
+	 * @return the resulting decorated {@link Image}
+	 */
+	public static Image decorateImage(final Image baseImage, final Image decorator, final int corner) {
+		if (corner <= 0 || corner >= LAST_CORNER_KEY) {
+			throw new IllegalArgumentException("Wrong decorate corner");
+		}
+		Map<Image, Map<Image, Image>> cornerDecoratedImageMap = m_decoratedImageMap[corner];
+		if (cornerDecoratedImageMap == null) {
+			cornerDecoratedImageMap = new HashMap<Image, Map<Image, Image>>();
+			m_decoratedImageMap[corner] = cornerDecoratedImageMap;
+		}
+		Map<Image, Image> decoratedMap = cornerDecoratedImageMap.get(baseImage);
+		if (decoratedMap == null) {
+			decoratedMap = new HashMap<Image, Image>();
+			cornerDecoratedImageMap.put(baseImage, decoratedMap);
+		}
+		//
+		Image result = decoratedMap.get(decorator);
+		if (result == null) {
+			Rectangle bib = baseImage.getBounds();
+			Rectangle dib = decorator.getBounds();
+			//
+			result = new Image(Display.getCurrent(), bib.width, bib.height);
+			//
+			GC gc = new GC(result);
+			gc.drawImage(baseImage, 0, 0);
+			if (corner == TOP_LEFT) {
+				gc.drawImage(decorator, 0, 0);
+			} else if (corner == TOP_RIGHT) {
+				gc.drawImage(decorator, bib.width - dib.width, 0);
+			} else if (corner == BOTTOM_LEFT) {
+				gc.drawImage(decorator, 0, bib.height - dib.height);
+			} else if (corner == BOTTOM_RIGHT) {
+				gc.drawImage(decorator, bib.width - dib.width, bib.height - dib.height);
+			}
+			gc.dispose();
+			//
+			decoratedMap.put(decorator, result);
+		}
+		return result;
+	}
+
+	/**
+	 * Dispose all of the cached {@link Image}'s.
+	 */
+	public static void disposeImages() {
+		// dispose loaded images
+		{
+			for (Image image : m_imageMap.values()) {
+				image.dispose();
+			}
+			m_imageMap.clear();
+		}
+		// dispose decorated images
+		for (int i = 0; i < m_decoratedImageMap.length; i++) {
+			Map<Image, Map<Image, Image>> cornerDecoratedImageMap = m_decoratedImageMap[i];
+			if (cornerDecoratedImageMap != null) {
+				for (Map<Image, Image> decoratedMap : cornerDecoratedImageMap.values()) {
+					for (Image image : decoratedMap.values()) {
+						image.dispose();
+					}
+					decoratedMap.clear();
+				}
+				cornerDecoratedImageMap.clear();
+			}
+		}
+	}
+
+	////////////////////////////////////////////////////////////////////////////
+	//
+	// Font
+	//
+	////////////////////////////////////////////////////////////////////////////
+	/**
+	 * Maps font names to fonts.
+	 */
+	private static Map<String, Font> m_fontMap = new HashMap<String, Font>();
+	/**
+	 * Maps fonts to their bold versions.
+	 */
+	private static Map<Font, Font> m_fontToBoldFontMap = new HashMap<Font, Font>();
+
+	/**
+	 * Returns a {@link Font} based on its name, height and style.
+	 * 
+	 * @param name
+	 *            the name of the font
+	 * @param height
+	 *            the height of the font
+	 * @param style
+	 *            the style of the font
+	 * @return {@link Font} The font matching the name, height and style
+	 */
+	public static Font getFont(String name, int height, int style) {
+		return getFont(name, height, style, false, false);
+	}
+
+	/**
+	 * Returns a {@link Font} based on its name, height and style.
+	 * Windows-specific strikeout and underline flags are also supported.
+	 * 
+	 * @param name
+	 *            the name of the font
+	 * @param size
+	 *            the size of the font
+	 * @param style
+	 *            the style of the font
+	 * @param strikeout
+	 *            the strikeout flag (warning: Windows only)
+	 * @param underline
+	 *            the underline flag (warning: Windows only)
+	 * @return {@link Font} The font matching the name, height, style, strikeout
+	 *         and underline
+	 */
+	public static Font getFont(String name, int size, int style, boolean strikeout, boolean underline) {
+		String fontName = name + '|' + size + '|' + style + '|' + strikeout + '|' + underline;
+		Font font = m_fontMap.get(fontName);
+		if (font == null) {
+			FontData fontData = new FontData(name, size, style);
+			if (strikeout || underline) {
+				try {
+					Class<?> logFontClass = Class.forName("org.eclipse.swt.internal.win32.LOGFONT"); //$NON-NLS-1$
+					Object logFont = FontData.class.getField("data").get(fontData); //$NON-NLS-1$
+					if (logFont != null && logFontClass != null) {
+						if (strikeout) {
+							logFontClass.getField("lfStrikeOut").set(logFont, Byte.valueOf((byte) 1)); //$NON-NLS-1$
+						}
+						if (underline) {
+							logFontClass.getField("lfUnderline").set(logFont, Byte.valueOf((byte) 1)); //$NON-NLS-1$
+						}
+					}
+				} catch (Throwable e) {
+					System.err.println(
+							"Unable to set underline or strikeout" + " (probably on a non-Windows platform). " + e); //$NON-NLS-1$ //$NON-NLS-2$
+				}
+			}
+			font = new Font(Display.getCurrent(), fontData);
+			m_fontMap.put(fontName, font);
+		}
+		return font;
+	}
+
+	/**
+	 * Returns a bold version of the given {@link Font}.
+	 * 
+	 * @param baseFont
+	 *            the {@link Font} for which a bold version is desired
+	 * @return the bold version of the given {@link Font}
+	 */
+	public static Font getBoldFont(Font baseFont) {
+		Font font = m_fontToBoldFontMap.get(baseFont);
+		if (font == null) {
+			FontData fontDatas[] = baseFont.getFontData();
+			FontData data = fontDatas[0];
+			font = new Font(Display.getCurrent(), data.getName(), data.getHeight(), SWT.BOLD);
+			m_fontToBoldFontMap.put(baseFont, font);
+		}
+		return font;
+	}
+
+	/**
+	 * Dispose all of the cached {@link Font}'s.
+	 */
+	public static void disposeFonts() {
+		// clear fonts
+		for (Font font : m_fontMap.values()) {
+			font.dispose();
+		}
+		m_fontMap.clear();
+		// clear bold fonts
+		for (Font font : m_fontToBoldFontMap.values()) {
+			font.dispose();
+		}
+		m_fontToBoldFontMap.clear();
+	}
+
+	////////////////////////////////////////////////////////////////////////////
+	//
+	// Cursor
+	//
+	////////////////////////////////////////////////////////////////////////////
+	/**
+	 * Maps IDs to cursors.
+	 */
+	private static Map<Integer, Cursor> m_idToCursorMap = new HashMap<Integer, Cursor>();
+
+	/**
+	 * Returns the system cursor matching the specific ID.
+	 * 
+	 * @param id
+	 *            int The ID value for the cursor
+	 * @return Cursor The system cursor matching the specific ID
+	 */
+	public static Cursor getCursor(int id) {
+		Integer key = Integer.valueOf(id);
+		Cursor cursor = m_idToCursorMap.get(key);
+		if (cursor == null) {
+			cursor = new Cursor(Display.getDefault(), id);
+			m_idToCursorMap.put(key, cursor);
+		}
+		return cursor;
+	}
+
+	/**
+	 * Dispose all of the cached cursors.
+	 */
+	public static void disposeCursors() {
+		for (Cursor cursor : m_idToCursorMap.values()) {
+			cursor.dispose();
+		}
+		m_idToCursorMap.clear();
+	}
+
+	////////////////////////////////////////////////////////////////////////////
+	//
+	// General
+	//
+	////////////////////////////////////////////////////////////////////////////
+	/**
+	 * Dispose of cached objects and their underlying OS resources. This should
+	 * only be called when the cached objects are no longer needed (e.g. on
+	 * application shutdown).
+	 */
+	public static void dispose() {
+		disposeColors();
+		disposeImages();
+		disposeFonts();
+		disposeCursors();
+	}
+}
\ No newline at end of file
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/ui/WizardGC2AppCond.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/ui/WizardGC2AppCond.java
new file mode 100644
index 0000000..2306369
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/ui/WizardGC2AppCond.java
@@ -0,0 +1,423 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool.ui;
+
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Iterator;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.emf.henshin.model.Mapping;
+import org.eclipse.emf.henshin.model.NestedCondition;
+import org.eclipse.emf.henshin.model.Node;
+import org.eclipse.emf.henshin.model.Rule;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.MouseAdapter;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.layout.RowData;
+import org.eclipse.swt.layout.RowLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Group;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+import org.eclipse.swt.widgets.TableItem;
+import org.eclipse.ui.PlatformUI;
+
+import de.unimarburg.swt.ocl2ac.tool.commands.GC2AppCondCommand;
+import de.unimarburg.swt.ocl2ac.tool.optimizer.IntegrationChecker;
+import nestedcondition.NestedConstraint;
+
+public class WizardGC2AppCond extends Shell {
+	private static final String HENSHIN = ".henshin";
+	private Table tableNestedConstraints;
+	private Table tableRules;
+	private NestedConstraint selectedNestedConstraint = null;
+	private Rule selectedRule = null;
+	private IFile henshinFile = null;
+	private IFile constraintFile = null;
+	private final String ALPHA_NUMERIC_STRING = "abcdefghijklmnopqrstuvwxyz0123456789";
+
+	/**
+	 * Create the shell.
+	 * 
+	 * @param display
+	 * @param mapAllRules
+	 */
+	public WizardGC2AppCond(final Display display, IFile henshinFile,
+			HashMap<Integer, NestedConstraint> hashmapAllNestedconstraints, HashMap<Integer, Rule> hashmapAllRules,
+			IFile constraintFile) {
+		super(display, SWT.SHELL_TRIM);
+		this.henshinFile = henshinFile;
+		this.constraintFile = constraintFile;
+		setLayout(new RowLayout(SWT.HORIZONTAL));
+		Group groupNGCs = new Group(this, SWT.NONE);
+		groupNGCs.setLayout(new RowLayout(SWT.HORIZONTAL));
+		groupNGCs.setLayoutData(new RowData(489, 240));
+		groupNGCs.setText("Nested Graph Constraints");
+
+		Label lblngc = new Label(groupNGCs, SWT.NONE);
+		lblngc.setText("Please select a nested graph constraint");
+
+		tableNestedConstraints = new Table(groupNGCs, SWT.BORDER | SWT.FULL_SELECTION);
+		tableNestedConstraints.setLayoutData(new RowData(452, 180));
+		tableNestedConstraints.addMouseListener(new MouseAdapter() {
+			@Override
+			public void mouseDoubleClick(MouseEvent e) {
+			}
+		});
+		tableNestedConstraints.setHeaderVisible(true);
+		tableNestedConstraints.setLinesVisible(true);
+
+		TableColumn clnID_NC = new TableColumn(tableNestedConstraints, SWT.NONE);
+		clnID_NC.setWidth(46);
+		clnID_NC.setText("ID");
+
+		TableColumn clnName_NC = new TableColumn(tableNestedConstraints, SWT.NONE);
+		clnName_NC.setWidth(431);
+		clnName_NC.setText("Nested Graph Constraint (C)");
+
+		fillTableNestedConstraints(hashmapAllNestedconstraints);
+
+		tableNestedConstraints.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				if (tableNestedConstraints.getItemCount() > 0) {
+					TableItem[] selectedItem = tableNestedConstraints.getSelection();
+					Integer nestedConstraintID = Integer.parseInt(selectedItem[0].getText(0));
+					selectedNestedConstraint = hashmapAllNestedconstraints.get(nestedConstraintID);
+				}
+
+			}
+		});
+
+		Group groupRules = new Group(this, SWT.NONE);
+		groupRules.setLayoutData(new RowData(490, 240));
+		groupRules.setText("Rules");
+		groupRules.setLayout(new RowLayout(SWT.HORIZONTAL));
+
+		Label lblRule = new Label(groupRules, SWT.NONE);
+		lblRule.setText("Please select a rule");
+
+		tableRules = new Table(groupRules, SWT.BORDER | SWT.FULL_SELECTION);
+		tableRules.setLayoutData(new RowData(452, 180));
+		tableRules.addMouseListener(new MouseAdapter() {
+			@Override
+			public void mouseDoubleClick(MouseEvent e) {
+			}
+
+		});
+		tableRules.setHeaderVisible(true);
+		tableRules.setLinesVisible(true);
+
+		TableColumn clnID_rule = new TableColumn(tableRules, SWT.NONE);
+		clnID_rule.setWidth(48);
+		clnID_rule.setText("ID");
+
+		TableColumn clnName_Rule = new TableColumn(tableRules, SWT.NONE);
+		clnName_Rule.setWidth(429);
+		clnName_Rule.setText("Rule (R)");
+		fillTableRules(hashmapAllRules);
+		Group groupButtons = new Group(this, SWT.NONE);
+		groupButtons.setLayoutData(new RowData(490, 120));
+
+		tableRules.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				if (tableRules.getItemCount() > 0) {
+					TableItem[] selectedItem = tableRules.getSelection();
+					Integer ruleID = Integer.parseInt(selectedItem[0].getText(0));
+					selectedRule = (Rule) hashmapAllRules.get(ruleID);
+				}
+
+			}
+		});
+		groupButtons.setLayout(new RowLayout(SWT.HORIZONTAL));
+
+		// integrate
+		Button btnIntegrate = new Button(groupButtons, SWT.NONE);
+		btnIntegrate.setLayoutData(new RowData(SWT.DEFAULT, 35));
+		btnIntegrate.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				// Integrate and Lefting
+				if (selectedNestedConstraint != null && selectedRule != null) {
+					System.out.println(selectedNestedConstraint + "  " + selectedRule);
+					GC2AppCondCommand ial = new GC2AppCondCommand(henshinFile);
+					setNamesToRuleNodes(selectedRule);
+					ial.enableOptimizer = false;
+
+					ial.integrateAndleft(selectedNestedConstraint, selectedRule);
+					long translationTime = ial.translationTime;
+					MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+							"Integration", "Integration is finished. The integration time is: ("
+									+ (translationTime / (double) 1000) + ") second(s).");
+					close();
+
+				}
+			}
+		});
+		btnIntegrate.setText("Integrate");
+
+		// integrate all
+		Button btnIntegrateAllConstraints = new Button(groupButtons, SWT.NONE);
+		btnIntegrateAllConstraints.setLayoutData(new RowData(SWT.DEFAULT, 35));
+		btnIntegrateAllConstraints.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				if (selectedRule != null) {
+					long translationTime = 0;
+					setNamesToRuleNodes(selectedRule);
+
+					if (hashmapAllNestedconstraints != null) {
+						Iterator<Integer> keySetIterator = hashmapAllNestedconstraints.keySet().iterator();
+						while (keySetIterator.hasNext()) {
+							Integer key = keySetIterator.next();
+							NestedConstraint nestedConstraint = hashmapAllNestedconstraints.get(key);
+							GC2AppCondCommand ial = new GC2AppCondCommand(henshinFile);
+							ial.enableOptimizer = false;
+							ial.integrateAndleftInPlace(nestedConstraint, selectedRule);
+							translationTime += ial.translationTime;
+						}
+					}
+
+					try {
+						selectedRule.getModule().eResource().save(null);
+					} catch (IOException e1) {
+						// TODO Auto-generated catch block
+						e1.printStackTrace();
+						System.err.println("Error on persisting the rule");
+					}
+
+					MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+							"Integration", "Integration is finished. The integration time is: ("
+									+ (translationTime / (double) 1000) + ") second(s).");
+					close();
+				}
+			}
+		});
+		btnIntegrateAllConstraints.setText("Integrate all constraints \r\ninto a rule");
+
+		// Check-for-Integration
+		Button btnCheckforintegration = new Button(groupButtons, SWT.NONE);
+		btnCheckforintegration.setLayoutData(new RowData(SWT.DEFAULT, 35));
+		btnCheckforintegration.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+
+				if (selectedNestedConstraint != null && selectedRule != null) {
+					IntegrationChecker op = new IntegrationChecker();
+					boolean mustIntegrate = op.mustIntegrate(selectedRule, selectedNestedConstraint);
+
+					if (mustIntegrate) {
+						MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+								"Info (required)", "The constraint SHOULD be integrated into the rule.");
+						boolean yes = MessageDialog.openQuestion(
+								PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Question",
+								"Do you want to continue integrating it?");
+						if (yes) {
+
+							// call the optimizer
+							System.out.println("The constraint " + selectedNestedConstraint.getName()
+									+ " should be integrated into rule " + selectedRule.getName());
+							GC2AppCondCommand ial = new GC2AppCondCommand(henshinFile);
+							setNamesToRuleNodes(selectedRule);
+							System.out.println(this.getClass().getName() + " enables " + ial.getClass().getName());
+							ial.enableOptimizer = true;
+
+							ial.integrateAndleft(selectedNestedConstraint, selectedRule);
+							long translationTime = ial.translationTime;
+							MessageDialog.openInformation(
+									PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Integration",
+									"Integration is finished. The integration time is: ("
+											+ (translationTime / (double) 1000) + ") second(s).");
+							close();
+						}
+
+					} else {
+						MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+								"Info (not required)",
+								"There is NO need to integrate the selected constraint into the selected rule.");
+						close();
+
+					}
+				}
+			}
+		});
+		btnCheckforintegration.setText("Construct Optimized Validity-Preserving AC (C, R)");
+
+		// optimize all
+		Button btnIntegrateAllRequired = new Button(groupButtons, SWT.NONE);
+		btnIntegrateAllRequired.setLayoutData(new RowData(SWT.DEFAULT, 35));
+		btnIntegrateAllRequired.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+
+				if (selectedRule != null) {
+					String infoRequiredConstraint = "";
+					int numberOfIntegrated = 0;
+					long translationTime = 0;
+					setNamesToRuleNodes(selectedRule);
+
+					if (hashmapAllNestedconstraints != null) {
+						Iterator<Integer> keySetIterator = hashmapAllNestedconstraints.keySet().iterator();
+						while (keySetIterator.hasNext()) {
+							Integer key = keySetIterator.next();
+							NestedConstraint nestedConstraint = hashmapAllNestedconstraints.get(key);
+
+							IntegrationChecker op = new IntegrationChecker();
+							boolean mustIntegrate = op.mustIntegrate(selectedRule, nestedConstraint);
+							if (mustIntegrate) {
+
+								infoRequiredConstraint += nestedConstraint.getName() + System.lineSeparator();
+
+								System.out.println("(" + nestedConstraint.getName()
+										+ ") constraint is required for the rule (" + selectedRule.getName() + ")");
+
+								// call the optimizer
+								System.out.println("The constraint " + selectedNestedConstraint.getName()
+										+ " should be integrated into rule " + selectedRule.getName());
+								GC2AppCondCommand ial = new GC2AppCondCommand(henshinFile);
+								setNamesToRuleNodes(selectedRule);
+								System.out.println(this.getClass().getName() + " enables " + ial.getClass().getName());
+								ial.enableOptimizer = true;
+								ial.integrateAndleftInPlace(nestedConstraint, selectedRule);
+								translationTime += ial.translationTime;
+								numberOfIntegrated++;
+							}
+						}
+					}
+
+					try {
+						selectedRule.getModule().eResource().save(null);
+					} catch (IOException e1) {
+						// TODO Auto-generated catch block
+						e1.printStackTrace();
+						System.err.println("Error on persisting the rule");
+					}
+
+					MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+							"Integration",
+							"Integration is finished. The integration time is: (" + (translationTime / (double) 1000)
+									+ ") second(s)." + System.lineSeparator() + System.lineSeparator()
+									+ "Number of the required constraints are (" + numberOfIntegrated + "):"
+									+ System.lineSeparator() + infoRequiredConstraint);
+
+					close();
+				}
+
+			}
+		});
+		btnIntegrateAllRequired.setText("Construct Optimized Validity-Preserving AC (All Cs, R)");
+
+		createContents();
+
+		tableNestedConstraints.notifyListeners(SWT.Selection, new Event());
+		tableRules.notifyListeners(SWT.Selection, new Event());
+	}
+
+	/**
+	 * Create contents of the shell.
+	 */
+	protected void createContents() {
+		setText("Integrator Wizard");
+		setSize(511, 728);
+
+	}
+
+	private void fillTableNestedConstraints(HashMap<Integer, NestedConstraint> hashmapAllNestedconstraints) {
+		if (hashmapAllNestedconstraints != null) {
+			tableNestedConstraints.removeAll();
+			Iterator<Integer> keySetIterator = hashmapAllNestedconstraints.keySet().iterator();
+			while (keySetIterator.hasNext()) {
+				Integer key = keySetIterator.next();
+				TableItem item = new TableItem(tableNestedConstraints, SWT.NONE);
+				item.setText(0, key.toString());
+				item.setText(1, hashmapAllNestedconstraints.get(key).getName());
+			}
+			tableNestedConstraints.select(0);
+			TableItem[] selectedItem = tableNestedConstraints.getSelection();
+			Integer ruleID = Integer.parseInt(selectedItem[0].getText(0));
+			selectedNestedConstraint = hashmapAllNestedconstraints.get(ruleID);
+		}
+
+	}
+
+	private void fillTableRules(HashMap<Integer, Rule> hashmapAllRules) {
+		if (hashmapAllRules != null) {
+			tableRules.removeAll();
+			Iterator<Integer> keySetIterator = hashmapAllRules.keySet().iterator();
+			while (keySetIterator.hasNext()) {
+				Integer key = keySetIterator.next();
+				TableItem item = new TableItem(tableRules, SWT.NONE);
+				item.setText(0, key.toString());
+				item.setText(1, ((Rule) hashmapAllRules.get(key)).getName());
+			}
+			tableRules.select(0);
+			TableItem[] selectedItem = tableRules.getSelection();
+			Integer ruleID = Integer.parseInt(selectedItem[0].getText(0));
+			selectedRule = (Rule) hashmapAllRules.get(ruleID);
+		}
+
+	}
+
+	private void setNamesToRuleNodes(Rule rule) {
+		// Nodes in LHS and RHS should have same names
+		for (Mapping m : rule.getMappings()) {
+			if (m.getImage() != null && m.getOrigin() != null) {
+				if (m.getImage().getName() == null && m.getOrigin().getName() == null) {
+					String nodeName = "rp" + randomAlphaNumeric(3);
+					m.getOrigin().setName(nodeName);
+					m.getImage().setName(nodeName);
+				}
+
+			}
+		}
+
+		// Nodes in NC should have same names
+		for (NestedCondition nc : rule.getLhs().getNestedConditions()) {
+			for (Mapping ncM : nc.getMappings()) {
+				if (ncM.getImage() != null && ncM.getOrigin() != null) {
+					if (ncM.getImage().getName() == null && ncM.getOrigin().getName() == null) {
+						String nodeName = "rf" + randomAlphaNumeric(3);
+						ncM.getOrigin().setName(nodeName);
+						ncM.getImage().setName(nodeName);
+					}
+				}
+			}
+		}
+
+		for (Node node : rule.getLhs().getNodes()) {
+			if (node.getName() == null)
+				node.setName("rd" + randomAlphaNumeric(3));
+		}
+
+		for (Node node : rule.getRhs().getNodes()) {
+			if (node.getName() == null)
+				node.setName("rc" + randomAlphaNumeric(3));
+		}
+	}
+
+	private String randomAlphaNumeric(int count) {
+		StringBuilder builder = new StringBuilder();
+		while (count-- != 0) {
+			int character = (int) (Math.random() * ALPHA_NUMERIC_STRING.length());
+			builder.append(ALPHA_NUMERIC_STRING.charAt(character));
+		}
+		return builder.toString();
+	}
+
+	@Override
+	protected void checkSubclass() {
+		// Disable the check that prevents subclassing of SWT components
+	}
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/ui/WizardLaxCond2AppCond.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/ui/WizardLaxCond2AppCond.java
new file mode 100644
index 0000000..2084a71
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/de/unimarburg/swt/ocl2ac/tool/ui/WizardLaxCond2AppCond.java
@@ -0,0 +1,350 @@
+/**
+ * <copyright>
+ * OCL2AC is developed by Nebras Nassar based on an initial version developed by Thorsten Arendt and Jan Steffen Becker.
+ * </copyright>
+ */
+package de.unimarburg.swt.ocl2ac.tool.ui;
+
+import java.util.HashMap;
+import java.util.Iterator;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.emf.henshin.model.Mapping;
+import org.eclipse.emf.henshin.model.NestedCondition;
+import org.eclipse.emf.henshin.model.Node;
+import org.eclipse.emf.henshin.model.Rule;
+import org.eclipse.jface.dialogs.MessageDialog;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.MouseAdapter;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.layout.RowData;
+import org.eclipse.swt.layout.RowLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Group;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+import org.eclipse.swt.widgets.Table;
+import org.eclipse.swt.widgets.TableColumn;
+import org.eclipse.swt.widgets.TableItem;
+import org.eclipse.ui.PlatformUI;
+
+import de.unimarburg.swt.ocl2ac.tool.commands.LaxCond2AppCondCommand;
+import de.unimarburg.swt.ocl2ac.tool.optimizer.IntegrationChecker;
+import laxcondition.Condition;
+
+public class WizardLaxCond2AppCond extends Shell {
+	private static final String HENSHIN = ".henshin";
+	private Table tableCompactConditions;
+	private Table tableRules;
+	private Condition selectedCompactCondition = null;
+	private Rule selectedRule = null;
+	private IFile henshinFile = null;
+	private IFile compactConditionModelFile = null;
+	private final String ALPHA_NUMERIC_STRING = "abcdefghijklmnopqrstuvwxyz0123456789";
+
+	/**
+	 * Create the shell.
+	 * 
+	 * @param display
+	 * @param mapAllRules
+	 */
+	public WizardLaxCond2AppCond(final Display display, IFile henshinFile,
+			HashMap<Integer, Condition> hashmapAllLaxCondition, HashMap<Integer, Rule> hashmapAllRules,
+			IFile compactConditionModelFile) {
+		super(display, SWT.SHELL_TRIM);
+		setLayout(new RowLayout(SWT.VERTICAL));
+		this.henshinFile = henshinFile;
+		this.compactConditionModelFile = compactConditionModelFile;
+		Group grpRepairActions = new Group(this, SWT.NONE);
+		grpRepairActions.setLayout(new GridLayout(1, false));
+		grpRepairActions.setLayoutData(new RowData(487, 248));
+		grpRepairActions.setText("Compact Graph Constraints");
+
+		Group groupRATop = new Group(grpRepairActions, SWT.NONE);
+		GridData gd_groupRATop = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
+		gd_groupRATop.heightHint = 23;
+		gd_groupRATop.widthHint = 471;
+		groupRATop.setLayoutData(gd_groupRATop);
+
+		Label lblNewLabel_1 = new Label(groupRATop, SWT.NONE);
+		lblNewLabel_1.setBounds(10, 16, 283, 20);
+		lblNewLabel_1.setText("Please select a compact graph constraint");
+
+		tableCompactConditions = new Table(grpRepairActions, SWT.BORDER | SWT.FULL_SELECTION);
+		tableCompactConditions.addMouseListener(new MouseAdapter() {
+			@Override
+			public void mouseDoubleClick(MouseEvent e) {
+			}
+		});
+
+		GridData gd_tableAction = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1);
+		gd_tableAction.heightHint = 180;
+		tableCompactConditions.setLayoutData(gd_tableAction);
+		tableCompactConditions.setHeaderVisible(true);
+		tableCompactConditions.setLinesVisible(true);
+
+		TableColumn clnID_NC = new TableColumn(tableCompactConditions, SWT.NONE);
+		clnID_NC.setWidth(46);
+		clnID_NC.setText("ID");
+
+		TableColumn clnName_NC = new TableColumn(tableCompactConditions, SWT.NONE);
+		clnName_NC.setWidth(425);
+		clnName_NC.setText("Compact Graph Constraint");
+
+		fillTableCompactConditions(hashmapAllLaxCondition);
+
+		tableCompactConditions.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				if (tableCompactConditions.getItemCount() > 0) {
+					TableItem[] selectedItem = tableCompactConditions.getSelection();
+					Integer nestedConstraintID = Integer.parseInt(selectedItem[0].getText(0));
+					selectedCompactCondition = hashmapAllLaxCondition.get(nestedConstraintID);
+				}
+
+			}
+		});
+
+		Group grpTargets = new Group(this, SWT.NONE);
+		grpTargets.setLayout(new GridLayout(1, false));
+		grpTargets.setLayoutData(new RowData(487, 239));
+		grpTargets.setText("Rules");
+
+		Group groupTargtTop = new Group(grpTargets, SWT.NONE);
+		GridData gd_groupTargtTop = new GridData(SWT.LEFT, SWT.CENTER, false, false, 1, 1);
+		gd_groupTargtTop.heightHint = 36;
+		gd_groupTargtTop.widthHint = 477;
+		groupTargtTop.setLayoutData(gd_groupTargtTop);
+
+		Label lblPleaseSelectA = new Label(groupTargtTop, SWT.NONE);
+		lblPleaseSelectA.setBounds(10, 24, 213, 25);
+		lblPleaseSelectA.setText("Please select a rule");
+
+		tableRules = new Table(grpTargets, SWT.BORDER | SWT.FULL_SELECTION);
+		tableRules.addMouseListener(new MouseAdapter() {
+			@Override
+			public void mouseDoubleClick(MouseEvent e) {
+			}
+
+		});
+
+		GridData gd_tableTargets = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1);
+		gd_tableTargets.heightHint = 187;
+		tableRules.setLayoutData(gd_tableTargets);
+		tableRules.setHeaderVisible(true);
+		tableRules.setLinesVisible(true);
+
+		TableColumn clnID_rule = new TableColumn(tableRules, SWT.NONE);
+		clnID_rule.setWidth(48);
+		clnID_rule.setText("ID");
+
+		TableColumn clnName_Rule = new TableColumn(tableRules, SWT.NONE);
+		clnName_Rule.setWidth(429);
+		clnName_Rule.setText("Rule");
+		fillTableRules(hashmapAllRules);
+		Group groupFooter = new Group(this, SWT.NONE);
+		groupFooter.setLayoutData(new RowData(488, 59));
+
+		tableRules.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				if (tableRules.getItemCount() > 0) {
+					TableItem[] selectedItem = tableRules.getSelection();
+					Integer ruleID = Integer.parseInt(selectedItem[0].getText(0));
+					selectedRule = (Rule) hashmapAllRules.get(ruleID);
+				}
+
+			}
+		});
+
+		Button btnIntegrate = new Button(groupFooter, SWT.NONE);
+		btnIntegrate.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+				// Integrate and Lefting
+				if (selectedCompactCondition != null && selectedRule != null) {
+
+					System.out.println(selectedCompactCondition + "  " + selectedRule);
+
+					LaxCond2AppCondCommand ilcc2ac = new LaxCond2AppCondCommand(henshinFile);
+					setNamesToRuleNodes(selectedRule);
+					ilcc2ac.integrateAndleft(selectedCompactCondition, selectedRule);
+
+					long translationTime = ilcc2ac.translationTime;
+					MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+							"Integration", "Integration is finished. The integration time is: ("
+									+ (translationTime / (double) 1000) + ") second(s).");
+					close();
+
+				}
+			}
+		});
+		btnIntegrate.setBounds(10, 24, 114, 34);
+		btnIntegrate.setText("Integrate");
+
+		Button btnCheckforintegration = new Button(groupFooter, SWT.NONE);
+		btnCheckforintegration.addSelectionListener(new SelectionAdapter() {
+			@Override
+			public void widgetSelected(SelectionEvent e) {
+
+				if (selectedCompactCondition != null && selectedRule != null) {
+
+					IntegrationChecker op = new IntegrationChecker();
+					boolean mustIntegrate = op.mustIntegrateWithoutAttribute(selectedRule, selectedCompactCondition);
+					if (mustIntegrate) {
+
+						MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+								"Info (required)", "The constraint SHOULD be integrated into the rule.");
+
+						boolean yes = MessageDialog.openQuestion(
+								PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Question",
+								"Do you want to integrate it now?");
+						if (yes) {
+							System.out.println(selectedCompactCondition + "  " + selectedRule);
+							LaxCond2AppCondCommand ilcc2ac = new LaxCond2AppCondCommand(henshinFile);
+							setNamesToRuleNodes(selectedRule);
+							ilcc2ac.integrateAndleft(selectedCompactCondition, selectedRule);
+							long translationTime = ilcc2ac.translationTime;
+							MessageDialog.openInformation(
+									PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Integration",
+									"Integration is finished. The integration time is: ("
+											+ (translationTime / (double) 1000) + ") second(s).");
+							close();
+						}
+
+					} else {
+						MessageDialog.openInformation(PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(),
+								"Info (not required)",
+								"There is NO need to integrate the selected constraint into the selected rule since the rule application will not violate the constraint.");
+
+						boolean yes = MessageDialog.openQuestion(
+								PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Question",
+								"Do you want to integrate it anyway?");
+						if (yes) {
+							System.out.println(selectedCompactCondition + "  " + selectedRule);
+							LaxCond2AppCondCommand ilcc2ac = new LaxCond2AppCondCommand(henshinFile);
+							setNamesToRuleNodes(selectedRule);
+							ilcc2ac.integrateAndleft(selectedCompactCondition, selectedRule);
+							long translationTime = ilcc2ac.translationTime;
+							MessageDialog.openInformation(
+									PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), "Integration",
+									"Integration is finished. The integration time is: ("
+											+ (translationTime / (double) 1000) + ") second(s).");
+							close();
+						}
+					}
+				}
+
+			}
+		});
+		btnCheckforintegration.setBounds(142, 24, 155, 34);
+		btnCheckforintegration.setText("Check-for-Integration");
+
+		createContents();
+
+		tableCompactConditions.notifyListeners(SWT.Selection, new Event());
+		tableRules.notifyListeners(SWT.Selection, new Event());
+	}
+
+	/**
+	 * Create contents of the shell.
+	 */
+	protected void createContents() {
+		setText("Integrator Wizard (Shift + Left)");
+		setSize(520, 689);
+
+	}
+
+	private void fillTableCompactConditions(HashMap<Integer, Condition> hashmapAllCompactConditions) {
+		if (hashmapAllCompactConditions != null) {
+			tableCompactConditions.removeAll();
+			Iterator<Integer> keySetIterator = hashmapAllCompactConditions.keySet().iterator();
+			while (keySetIterator.hasNext()) {
+				Integer key = keySetIterator.next();
+				TableItem item = new TableItem(tableCompactConditions, SWT.NONE);
+				item.setText(0, key.toString());
+				item.setText(1, hashmapAllCompactConditions.get(key).getName());
+			}
+			tableCompactConditions.select(0);
+			TableItem[] selectedItem = tableCompactConditions.getSelection();
+			Integer ruleID = Integer.parseInt(selectedItem[0].getText(0));
+			selectedCompactCondition = hashmapAllCompactConditions.get(ruleID);
+		}
+
+	}
+
+	private void fillTableRules(HashMap<Integer, Rule> hashmapAllRules) {
+		if (hashmapAllRules != null) {
+			tableRules.removeAll();
+			Iterator<Integer> keySetIterator = hashmapAllRules.keySet().iterator();
+			while (keySetIterator.hasNext()) {
+				Integer key = keySetIterator.next();
+				TableItem item = new TableItem(tableRules, SWT.NONE);
+				item.setText(0, key.toString());
+				item.setText(1, ((Rule) hashmapAllRules.get(key)).getName());
+			}
+			tableRules.select(0);
+			TableItem[] selectedItem = tableRules.getSelection();
+			Integer ruleID = Integer.parseInt(selectedItem[0].getText(0));
+			selectedRule = (Rule) hashmapAllRules.get(ruleID);
+		}
+
+	}
+
+	private void setNamesToRuleNodes(Rule rule) {
+		// Nodes in LHS and RHS should have same names
+		for (Mapping m : rule.getMappings()) {
+			if (m.getImage() != null && m.getOrigin() != null) {
+				if (m.getImage().getName() == null && m.getOrigin().getName() == null) {
+					String nodeName = "rp" + randomAlphaNumeric(3);
+					m.getOrigin().setName(nodeName);
+					m.getImage().setName(nodeName);
+				}
+
+			}
+		}
+
+		// Nodes in NC should have same names
+		for (NestedCondition nc : rule.getLhs().getNestedConditions()) {
+			for (Mapping ncM : nc.getMappings()) {
+				if (ncM.getImage() != null && ncM.getOrigin() != null) {
+					if (ncM.getImage().getName() == null && ncM.getOrigin().getName() == null) {
+						String nodeName = "rf" + randomAlphaNumeric(3);
+						ncM.getOrigin().setName(nodeName);
+						ncM.getImage().setName(nodeName);
+					}
+				}
+			}
+		}
+
+		for (Node node : rule.getLhs().getNodes()) {
+			if (node.getName() == null)
+				node.setName("rd" + randomAlphaNumeric(3));
+		}
+
+		for (Node node : rule.getRhs().getNodes()) {
+			if (node.getName() == null)
+				node.setName("rc" + randomAlphaNumeric(3));
+		}
+	}
+
+	private String randomAlphaNumeric(int count) {
+		StringBuilder builder = new StringBuilder();
+		while (count-- != 0) {
+			int character = (int) (Math.random() * ALPHA_NUMERIC_STRING.length());
+			builder.append(ALPHA_NUMERIC_STRING.charAt(character));
+		}
+		return builder.toString();
+	}
+
+	@Override
+	protected void checkSubclass() {
+		// Disable the check that prevents subclassing of SWT components
+	}
+}
diff --git a/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/org/eclipse/wb/swt/SWTResourceManager.java b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/org/eclipse/wb/swt/SWTResourceManager.java
new file mode 100644
index 0000000..ad42c1e
--- /dev/null
+++ b/plugins/ocl2ac/de.unimarburg.swt.ocl2ac.tool/src/org/eclipse/wb/swt/SWTResourceManager.java
@@ -0,0 +1,485 @@
+/*******************************************************************************
+ * Copyright (c) 2011 Google, Inc.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    Google, Inc. - initial API and implementation
+ *******************************************************************************/
+package org.eclipse.wb.swt;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Cursor;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.FontData;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.ImageData;
+import org.eclipse.swt.graphics.RGB;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Display;
+
+/**
+ * Utility class for managing OS resources associated with SWT controls such as
+ * colors, fonts, images, etc.
+ * <p>
+ * !!! IMPORTANT !!! Application code must explicitly invoke the
+ * <code>dispose()</code> method to release the operating system resources
+ * managed by cached objects when those objects and OS resources are no longer
+ * needed (e.g. on application shutdown)
+ * <p>
+ * This class may be freely distributed as part of any application or plugin.
+ * <p>
+ * 
+ * @author scheglov_ke
+ * @author Dan Rubel
+ */
+public class SWTResourceManager {
+	////////////////////////////////////////////////////////////////////////////
+	//
+	// Color
+	//
+	////////////////////////////////////////////////////////////////////////////
+	private static Map<RGB, Color> m_colorMap = new HashMap<RGB, Color>();
+
+	/**
+	 * Returns the system {@link Color} matching the specific ID.
+	 * 
+	 * @param systemColorID
+	 *            the ID value for the color
+	 * @return the system {@link Color} matching the specific ID
+	 */
+	public static Color getColor(int systemColorID) {
+		Display display = Display.getCurrent();
+		return display.getSystemColor(systemColorID);
+	}
+
+	/**
+	 * Returns a {@link Color} given its red, green and blue component values.
+	 * 
+	 * @param r
+	 *            the red component of the color
+	 * @param g
+	 *            the green component of the color
+	 * @param b
+	 *            the blue component of the color
+	 * @return the {@link Color} matching the given red, green and blue
+	 *         component values
+	 */
+	public static Color getColor(int r, int g, int b) {
+		return getColor(new RGB(r, g, b));
+	}
+
+	/**
+	 * Returns a {@link Color} given its RGB value.
+	 * 
+	 * @param rgb
+	 *            the {@link RGB} value of the color
+	 * @return the {@link Color} matching the RGB value
+	 */
+	public static Color getColor(RGB rgb) {
+		Color color = m_colorMap.get(rgb);
+		if (color == null) {
+			Display display = Display.getCurrent();
+			color = new Color(display, rgb);
+			m_colorMap.put(rgb, color);
+		}
+		return color;
+	}
+
+	/**
+	 * Dispose of all the cached {@link Color}'s.
+	 */
+	public static void disposeColors() {
+		for (Color color : m_colorMap.values()) {
+			color.dispose();
+		}
+		m_colorMap.clear();
+	}
+
+	////////////////////////////////////////////////////////////////////////////
+	//
+	// Image
+	//
+	////////////////////////////////////////////////////////////////////////////
+	/**
+	 * Maps image paths to images.
+	 */
+	private static Map<String, Image> m_imageMap = new HashMap<String, Image>();
+
+	/**
+	 * Returns an {@link Image} encoded by the specified {@link InputStream}.
+	 * 
+	 * @param stream
+	 *            the {@link InputStream} encoding the image data
+	 * @return the {@link Image} encoded by the specified input stream
+	 */
+	protected static Image getImage(InputStream stream) throws IOException {
+		try {
+			Display display = Display.getCurrent();
+			ImageData data = new ImageData(stream);
+			if (data.transparentPixel > 0) {
+				return new Image(display, data, data.getTransparencyMask());
+			}
+			return new Image(display, data);
+		} finally {
+			stream.close();
+		}
+	}
+
+	/**
+	 * Returns an {@link Image} stored in the file at the specified path.
+	 * 
+	 * @param path
+	 *            the path to the image file
+	 * @return the {@link Image} stored in the file at the specified path
+	 */
+	public static Image getImage(String path) {
+		Image image = m_imageMap.get(path);
+		if (image == null) {
+			try {
+				image = getImage(new FileInputStream(path));
+				m_imageMap.put(path, image);
+			} catch (Exception e) {
+				image = getMissingImage();
+				m_imageMap.put(path, image);
+			}
+		}
+		return image;
+	}
+
+	/**
+	 * Returns an {@link Image} stored in the file at the specified path
+	 * relative to the specified class.
+	 * 
+	 * @param clazz
+	 *            the {@link Class} relative to which to find the image
+	 * @param path
+	 *            the path to the image file, if starts with <code>'/'</code>
+	 * @return the {@link Image} stored in the file at the specified path
+	 */
+	public static Image getImage(Class<?> clazz, String path) {
+		String key = clazz.getName() + '|' + path;
+		Image image = m_imageMap.get(key);
+		if (image == null) {
+			try {
+				image = getImage(clazz.getResourceAsStream(path));
+				m_imageMap.put(key, image);
+			} catch (Exception e) {
+				image = getMissingImage();
+				m_imageMap.put(key, image);
+			}
+		}
+		return image;
+	}
+
+	private static final int MISSING_IMAGE_SIZE = 10;
+
+	/**
+	 * @return the small {@link Image} that can be used as placeholder for
+	 *         missing image.
+	 */
+	private static Image getMissingImage() {
+		Image image = new Image(Display.getCurrent(), MISSING_IMAGE_SIZE, MISSING_IMAGE_SIZE);
+		//
+		GC gc = new GC(image);
+		gc.setBackground(getColor(SWT.COLOR_RED));
+		gc.fillRectangle(0, 0, MISSING_IMAGE_SIZE, MISSING_IMAGE_SIZE);
+		gc.dispose();
+		//
+		return image;
+	}
+
+	/**
+	 * Style constant for placing decorator image in top left corner of base
+	 * image.
+	 */
+	public static final int TOP_LEFT = 1;
+	/**
+	 * Style constant for placing decorator image in top right corner of base
+	 * image.
+	 */
+	public static final int TOP_RIGHT = 2;
+	/**
+	 * Style constant for placing decorator image in bottom left corner of base
+	 * image.
+	 */
+	public static final int BOTTOM_LEFT = 3;
+	/**
+	 * Style constant for placing decorator image in bottom right corner of base
+	 * image.
+	 */
+	public static final int BOTTOM_RIGHT = 4;
+	/**
+	 * Internal value.
+	 */
+	protected static final int LAST_CORNER_KEY = 5;
+	/**
+	 * Maps images to decorated images.
+	 */
+	@SuppressWarnings("unchecked")
+	private static Map<Image, Map<Image, Image>>[] m_decoratedImageMap = new Map[LAST_CORNER_KEY];
+
+	/**
+	 * Returns an {@link Image} composed of a base image decorated by another
+	 * image.
+	 * 
+	 * @param baseImage
+	 *            the base {@link Image} that should be decorated
+	 * @param decorator
+	 *            the {@link Image} to decorate the base image
+	 * @return {@link Image} The resulting decorated image
+	 */
+	public static Image decorateImage(Image baseImage, Image decorator) {
+		return decorateImage(baseImage, decorator, BOTTOM_RIGHT);
+	}
+
+	/**
+	 * Returns an {@link Image} composed of a base image decorated by another
+	 * image.
+	 * 
+	 * @param baseImage
+	 *            the base {@link Image} that should be decorated
+	 * @param decorator
+	 *            the {@link Image} to decorate the base image
+	 * @param corner
+	 *            the corner to place decorator image
+	 * @return the resulting decorated {@link Image}
+	 */
+	public static Image decorateImage(final Image baseImage, final Image decorator, final int corner) {
+		if (corner <= 0 || corner >= LAST_CORNER_KEY) {
+			throw new IllegalArgumentException("Wrong decorate corner");
+		}
+		Map<Image, Map<Image, Image>> cornerDecoratedImageMap = m_decoratedImageMap[corner];
+		if (cornerDecoratedImageMap == null) {
+			cornerDecoratedImageMap = new HashMap<Image, Map<Image, Image>>();
+			m_decoratedImageMap[corner] = cornerDecoratedImageMap;
+		}
+		Map<Image, Image> decoratedMap = cornerDecoratedImageMap.get(baseImage);
+		if (decoratedMap == null) {
+			decoratedMap = new HashMap<Image, Image>();
+			cornerDecoratedImageMap.put(baseImage, decoratedMap);
+		}
+		//
+		Image result = decoratedMap.get(decorator);
+		if (result == null) {
+			Rectangle bib = baseImage.getBounds();
+			Rectangle dib = decorator.getBounds();
+			//
+			result = new Image(Display.getCurrent(), bib.width, bib.height);
+			//
+			GC gc = new GC(result);
+			gc.drawImage(baseImage, 0, 0);
+			if (corner == TOP_LEFT) {
+				gc.drawImage(decorator, 0, 0);
+			} else if (corner == TOP_RIGHT) {
+				gc.drawImage(decorator, bib.width - dib.width, 0);
+			} else if (corner == BOTTOM_LEFT) {
+				gc.drawImage(decorator, 0, bib.height - dib.height);
+			} else if (corner == BOTTOM_RIGHT) {
+				gc.drawImage(decorator, bib.width - dib.width, bib.height - dib.height);
+			}
+			gc.dispose();
+			//
+			decoratedMap.put(decorator, result);
+		}
+		return result;
+	}
+
+	/**
+	 * Dispose all of the cached {@link Image}'s.
+	 */
+	public static void disposeImages() {
+		// dispose loaded images
+		{
+			for (Image image : m_imageMap.values()) {
+				image.dispose();
+			}
+			m_imageMap.clear();
+		}
+		// dispose decorated images
+		for (int i = 0; i < m_decoratedImageMap.length; i++) {
+			Map<Image, Map<Image, Image>> cornerDecoratedImageMap = m_decoratedImageMap[i];
+			if (cornerDecoratedImageMap != null) {
+				for (Map<Image, Image> decoratedMap : cornerDecoratedImageMap.values()) {
+					for (Image image : decoratedMap.values()) {
+						image.dispose();
+					}
+					decoratedMap.clear();
+				}
+				cornerDecoratedImageMap.clear();
+			}
+		}
+	}
+
+	////////////////////////////////////////////////////////////////////////////
+	//
+	// Font
+	//
+	////////////////////////////////////////////////////////////////////////////
+	/**
+	 * Maps font names to fonts.
+	 */
+	private static Map<String, Font> m_fontMap = new HashMap<String, Font>();
+	/**
+	 * Maps fonts to their bold versions.
+	 */
+	private static Map<Font, Font> m_fontToBoldFontMap = new HashMap<Font, Font>();
+
+	/**
+	 * Returns a {@link Font} based on its name, height and style.
+	 * 
+	 * @param name
+	 *            the name of the font
+	 * @param height
+	 *            the height of the font
+	 * @param style
+	 *            the style of the font
+	 * @return {@link Font} The font matching the name, height and style
+	 */
+	public static Font getFont(String name, int height, int style) {
+		return getFont(name, height, style, false, false);
+	}
+
+	/**
+	 * Returns a {@link Font} based on its name, height and style.
+	 * Windows-specific strikeout and underline flags are also supported.
+	 * 
+	 * @param name
+	 *            the name of the font
+	 * @param size
+	 *            the size of the font
+	 * @param style
+	 *            the style of the font
+	 * @param strikeout
+	 *            the strikeout flag (warning: Windows only)
+	 * @param underline
+	 *            the underline flag (warning: Windows only)
+	 * @return {@link Font} The font matching the name, height, style, strikeout
+	 *         and underline
+	 */
+	public static Font getFont(String name, int size, int style, boolean strikeout, boolean underline) {
+		String fontName = name + '|' + size + '|' + style + '|' + strikeout + '|' + underline;
+		Font font = m_fontMap.get(fontName);
+		if (font == null) {
+			FontData fontData = new FontData(name, size, style);
+			if (strikeout || underline) {
+				try {
+					Class<?> logFontClass = Class.forName("org.eclipse.swt.internal.win32.LOGFONT"); //$NON-NLS-1$
+					Object logFont = FontData.class.getField("data").get(fontData); //$NON-NLS-1$
+					if (logFont != null && logFontClass != null) {
+						if (strikeout) {
+							logFontClass.getField("lfStrikeOut").set(logFont, Byte.valueOf((byte) 1)); //$NON-NLS-1$
+						}
+						if (underline) {
+							logFontClass.getField("lfUnderline").set(logFont, Byte.valueOf((byte) 1)); //$NON-NLS-1$
+						}
+					}
+				} catch (Throwable e) {
+					System.err.println(
+							"Unable to set underline or strikeout" + " (probably on a non-Windows platform). " + e); //$NON-NLS-1$ //$NON-NLS-2$
+				}
+			}
+			font = new Font(Display.getCurrent(), fontData);
+			m_fontMap.put(fontName, font);
+		}
+		return font;
+	}
+
+	/**
+	 * Returns a bold version of the given {@link Font}.
+	 * 
+	 * @param baseFont
+	 *            the {@link Font} for which a bold version is desired
+	 * @return the bold version of the given {@link Font}
+	 */
+	public static Font getBoldFont(Font baseFont) {
+		Font font = m_fontToBoldFontMap.get(baseFont);
+		if (font == null) {
+			FontData fontDatas[] = baseFont.getFontData();
+			FontData data = fontDatas[0];
+			font = new Font(Display.getCurrent(), data.getName(), data.getHeight(), SWT.BOLD);
+			m_fontToBoldFontMap.put(baseFont, font);
+		}
+		return font;
+	}
+
+	/**
+	 * Dispose all of the cached {@link Font}'s.
+	 */
+	public static void disposeFonts() {
+		// clear fonts
+		for (Font font : m_fontMap.values()) {
+			font.dispose();
+		}
+		m_fontMap.clear();
+		// clear bold fonts
+		for (Font font : m_fontToBoldFontMap.values()) {
+			font.dispose();
+		}
+		m_fontToBoldFontMap.clear();
+	}
+
+	////////////////////////////////////////////////////////////////////////////
+	//
+	// Cursor
+	//
+	////////////////////////////////////////////////////////////////////////////
+	/**
+	 * Maps IDs to cursors.
+	 */
+	private static Map<Integer, Cursor> m_idToCursorMap = new HashMap<Integer, Cursor>();
+
+	/**
+	 * Returns the system cursor matching the specific ID.
+	 * 
+	 * @param id
+	 *            int The ID value for the cursor
+	 * @return Cursor The system cursor matching the specific ID
+	 */
+	public static Cursor getCursor(int id) {
+		Integer key = Integer.valueOf(id);
+		Cursor cursor = m_idToCursorMap.get(key);
+		if (cursor == null) {
+			cursor = new Cursor(Display.getDefault(), id);
+			m_idToCursorMap.put(key, cursor);
+		}
+		return cursor;
+	}
+
+	/**
+	 * Dispose all of the cached cursors.
+	 */
+	public static void disposeCursors() {
+		for (Cursor cursor : m_idToCursorMap.values()) {
+			cursor.dispose();
+		}
+		m_idToCursorMap.clear();
+	}
+
+	////////////////////////////////////////////////////////////////////////////
+	//
+	// General
+	//
+	////////////////////////////////////////////////////////////////////////////
+	/**
+	 * Dispose of cached objects and their underlying OS resources. This should
+	 * only be called when the cached objects are no longer needed (e.g. on
+	 * application shutdown).
+	 */
+	public static void dispose() {
+		disposeColors();
+		disposeImages();
+		disposeFonts();
+		disposeCursors();
+	}
+}
\ No newline at end of file
diff --git a/plugins/ocl2ac/info.txt b/plugins/ocl2ac/info.txt
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/plugins/ocl2ac/info.txt