jpa/plugins/org.eclipse.jpt.jpa.eclipselink.core/src/org/eclipse/jpt/jpa/eclipselink/core/internal/context/orm/VirtualJavaPersistentAttribute.java - dali/webtools.dali - Git at Google

 /*******************************************************************************
  * Copyright (c) 2012 Oracle. 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:
  *     Oracle - initial API and implementation
  ******************************************************************************/
 package org.eclipse.jpt.jpa.eclipselink.core.internal.context.orm;

 import org.eclipse.jdt.core.IType;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jdt.core.dom.CompilationUnit;
 import org.eclipse.jpt.common.core.internal.utility.JDTTools;
 import org.eclipse.jpt.common.core.resource.java.JavaResourceAttribute;
 import org.eclipse.jpt.common.core.resource.java.JavaResourceField;
 import org.eclipse.jpt.common.core.resource.java.JavaResourceMethod;
 import org.eclipse.jpt.common.core.utility.TextRange;
 import org.eclipse.jpt.common.utility.internal.ClassName;
 import org.eclipse.jpt.common.utility.internal.iterables.ArrayIterable;
 import org.eclipse.jpt.jpa.core.JpaStructureNode;
 import org.eclipse.jpt.jpa.core.context.AccessType;
 import org.eclipse.jpt.jpa.core.context.CollectionMapping;
 import org.eclipse.jpt.jpa.core.context.TypeMapping;
 import org.eclipse.jpt.jpa.core.context.java.Accessor;
 import org.eclipse.jpt.jpa.core.context.java.JavaAttributeMapping;
 import org.eclipse.jpt.jpa.core.context.java.JavaPersistentAttribute;
 import org.eclipse.jpt.jpa.core.context.orm.EntityMappings;
 import org.eclipse.jpt.jpa.core.context.orm.OrmPersistentType;
 import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaJpaContextNode;
 import org.eclipse.jpt.jpa.core.internal.jpa1.context.java.GenericJavaNullAttributeMapping;
 import org.eclipse.jpt.jpa.core.jpa2.context.MetamodelField;
 import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaPersistentAttribute2_0;
 import org.eclipse.jpt.jpa.core.jpa2.resource.java.JPA2_0;
 import org.eclipse.jpt.jpa.eclipselink.core.JptJpaEclipseLinkCorePlugin;
 import org.eclipse.jpt.jpa.eclipselink.core.context.java.JavaEclipseLinkPersistentAttribute;
 import org.eclipse.jpt.jpa.eclipselink.core.resource.orm.XmlAttributeMapping;

 public class VirtualJavaPersistentAttribute extends AbstractJavaJpaContextNode
 	implements JavaPersistentAttribute2_0, JavaEclipseLinkPersistentAttribute
 {
 	private final XmlAttributeMapping xmlAttributeMapping;

 	private final JavaAttributeMapping attributeMapping;

 	public VirtualJavaPersistentAttribute(OrmPersistentType parent, XmlAttributeMapping xmlAttributeMapping) {
 		super(parent);
 		this.xmlAttributeMapping = xmlAttributeMapping;
 		this.attributeMapping = new GenericJavaNullAttributeMapping(this);
 	}

 	public XmlAttributeMapping getXmlAttributeMapping() {
 		return this.xmlAttributeMapping;
 	}

 	public JavaAttributeMapping getMapping() {
 		return this.attributeMapping;
 	}

 	public JavaAttributeMapping setMappingKey(String key) {
 		throw new UnsupportedOperationException("cannot set anything on a virtual java persistent attribute"); //$NON-NLS-1$
 	}

 	public Accessor getAccessor() {
 		return null;
 	}

 	public JavaResourceAttribute getResourceAttribute() {
 		return null;
 	}

 	public boolean isFor(JavaResourceField resourceField) {
 		return false;
 	}

 	public boolean isFor(JavaResourceMethod resourceGetter, JavaResourceMethod resourceSetter) {
 		return false;
 	}

 	public boolean contains(int offset, CompilationUnit astRoot) {
 		throw new UnsupportedOperationException();
 	}

 	public String getTypeName() {
 		String typeName = this.xmlAttributeMapping.getAttributeType();
 		return typeName == null ? null : this.getEntityMappings().getFullyQualifiedName(typeName);
 	}

 	public boolean typeIsBasic() {
 		return false;//not valid for a default basic mapping, specified in orm.xml
 	}

 	public String getSingleReferenceTargetTypeName() {
 		return null; //used for building default target entity/embeddable, must be specified in a virtual mapping
 	}

 	public String getMultiReferenceTargetTypeName() {
 		return null; //used for building default target entity/target class, must be specified in a virtual mapping
 	}

 	public String getMultiReferenceMapKeyTypeName() {
 		return null; //used for building default map key class, must be specified in a virtual mapping
 	}

 	public String getName() {
 		return this.xmlAttributeMapping.getName();
 	}

 	public String getMappingKey() {
 		return null;
 	}

 	public String getDefaultMappingKey() {
 		return null;
 	}

 	public boolean isVirtual() {
 		throw new UnsupportedOperationException("Owing orm persistent attribute is specified, this should not be called."); //$NON-NLS-1$
 	}

 	public JavaPersistentAttribute getJavaPersistentAttribute() {
 		return this;
 	}


 	// ********** JpaStructureNode implementation **********


 	public JpaStructureNode getStructureNode(int textOffset) {
 		throw new UnsupportedOperationException("There is no resource for a virtual java persistent attribute"); //$NON-NLS-1$
 	}

 	public TextRange getSelectionTextRange() {
 		throw new UnsupportedOperationException("There is no resource for a virtual java persistent attribute"); //$NON-NLS-1$
 	}

 	public ContextType getContextType() {
 		throw new UnsupportedOperationException("There is no resource for a virtual java persistent attribute"); //$NON-NLS-1$
 	}

 	public Class<? extends JpaStructureNode> getType() {
 		throw new UnsupportedOperationException("There is no resource for a virtual java persistent attribute"); //$NON-NLS-1$
 	}

 	public void dispose() {
 		throw new UnsupportedOperationException("There is no resource for a virtual java persistent attribute"); //$NON-NLS-1$
 	}

 	public AccessType getAccess() {
 		return null;
 	}

 	public AccessType getSpecifiedAccess() {
 		return null;
 	}

 	public void setSpecifiedAccess(AccessType newSpecifiedAccess) {
 		throw new UnsupportedOperationException("cannot set anything on a virtual java persistent attribute"); //$NON-NLS-1$
 	}

 	public AccessType getDefaultAccess() {
 		return null;
 	}

 	public TextRange getValidationTextRange(CompilationUnit astRoot) {
 		throw new UnsupportedOperationException();
 	}


 	public boolean typeIsDateOrCalendar() {
 		String typeName = this.getTypeName();
 		if (typeName == null) {
 			return false;
 		}
 		return JDTTools.typeIsSubType(this.getJavaProject(), typeName, DATE_TYPE_NAME)
 			|| JDTTools.typeIsSubType(this.getJavaProject(), typeName, CALENDAR_TYPE_NAME);
 	}

 	public boolean typeIsSerializable() {
 		String typeName = this.getTypeName();
 		if (typeName == null) {
 			return false;
 		}
 		return JDTTools.typeIsSubType(this.getJavaProject(), typeName, JDTTools.SERIALIZABLE_CLASS_NAME);
 	}

 	public boolean typeIsValidForVariableOneToOne() {
 		String typeName = this.getTypeName();
 		if (typeName == null) {
 			return false;
 		}
 		IType type = JDTTools.findType(getJavaProject(), typeName);
 		try {
 			return type != null &&
 					type.isInterface() &&
 					this.interfaceIsValidForVariableOneToOne(typeName);
 		}
 		catch (JavaModelException e) {
 			JptJpaEclipseLinkCorePlugin.log(e);
 			return false;
 		}
 	}

 	protected boolean interfaceIsValidForVariableOneToOne(String interfaceName) {
 		return ! this.interfaceIsInvalidForVariableOneToOne(interfaceName);
 	}

 	// TODO we could probably add more interfaces to this list...
 	protected boolean interfaceIsInvalidForVariableOneToOne(String interfaceName) {
 		return (interfaceName == null) ||
 				this.typeIsContainer(interfaceName) ||
 				interfaceName.equals("org.eclipse.persistence.indirection.ValueHolderInterface"); //$NON-NLS-1$
 	}

 	/**
 	 * return whether the specified type is one of the container
 	 * types allowed by the JPA spec
 	 */
 	protected boolean typeIsContainer(String typeName) {
 		return this.getJpaContainerDefinition(typeName).isContainer();
 	}


 	// ********** metamodel **********

 	public String getMetamodelContainerFieldTypeName() {
 		throw new UnsupportedOperationException("parent OrmPersistentAttribute implements this"); //$NON-NLS-1$
 	}

 	public String getMetamodelContainerFieldMapKeyTypeName() {
 		throw new UnsupportedOperationException("parent OrmPersistentAttribute implements this"); //$NON-NLS-1$
 	}


 	public String getMetamodelTypeName() {
 		String typeName = this.getTypeName();
 		if (typeName == null) {
 			return MetamodelField.DEFAULT_TYPE_NAME;
 		}
 		if (ClassName.isPrimitive(typeName)) {
 			return ClassName.getWrapperClassName(typeName);  // ???
 		}
 		return typeName;
 	}

 	public JpaContainerDefinition getJpaContainerDefinition() {
 		// 'typeName' may include array brackets ("[]")
 		// but not generic type arguments (e.g. "<java.lang.String>")
 		return this.getJpaContainerDefinition(this.getTypeName());
 	}

 	//I don't think we should be doing this here, I think OrmAttributeMappings should be responsible for their own JpaContainerDefinition
 	//Generic can just get it from the JavaPersistentAttribute
 	/**
 	 * Return the JPA container definition corresponding to the specified type;
 	 * return a "null" definition if the specified type is not "assignable to" one of the
 	 * container types allowed by the JPA spec.
 	 */
 	protected JpaContainerDefinition getJpaContainerDefinition(String typeName) {
 		if (typeName != null) {
 			for (JpaContainerDefinition definition : getJpaContainerDefinitions()) {
 				if (definition.isAssignableFrom(typeName)) {
 					return definition;
 				}
 			}
 		}
 		return JpaContainerDefinition.Null.instance();
 	}

 	protected Iterable<JpaContainerDefinition> getJpaContainerDefinitions() {
 		return JPA_CONTAINER_DEFINITIONS;
 	}

 	protected static final JpaContainerDefinition[] JPA_CONTAINER_DEFINITION_ARRAY = new JpaContainerDefinition[] {
 		new CollectionJpaContainerDefinition(java.util.Set.class, JPA2_0.SET_ATTRIBUTE),
 		new CollectionJpaContainerDefinition(java.util.List.class, JPA2_0.LIST_ATTRIBUTE),
 		new CollectionJpaContainerDefinition(java.util.Collection.class, JPA2_0.COLLECTION_ATTRIBUTE),
 		new MapJpaContainerDefinition(java.util.Map.class, JPA2_0.MAP_ATTRIBUTE)
 	};

 	protected static final Iterable<JpaContainerDefinition> JPA_CONTAINER_DEFINITIONS = new ArrayIterable<JpaContainerDefinition>(JPA_CONTAINER_DEFINITION_ARRAY);


 	/**
 	 * Abstract JPA container definition
 	 */
 	protected abstract static class AbstractJpaContainerDefinition
 		implements JpaContainerDefinition
 	{
 		protected final Class<?> containerClass;
 		protected final String metamodelContainerFieldTypeName;

 		protected AbstractJpaContainerDefinition(Class<?> containerClass, String metamodelContainerFieldTypeName) {
 			super();
 			if ((containerClass == null) || (metamodelContainerFieldTypeName == null)) {
 				throw new NullPointerException();
 			}
 			this.containerClass = containerClass;
 			this.metamodelContainerFieldTypeName = metamodelContainerFieldTypeName;
 		}

 		public boolean isAssignableFrom(String typeName) {
 			try {
 				return this.containerClass.isAssignableFrom(Class.forName(typeName));
 			}
 			catch (ClassNotFoundException e) {
 				return false;
 			}
 		}

 		public boolean isContainer() {
 			return true;
 		}

 		public String getMetamodelContainerFieldTypeName() {
 			return this.metamodelContainerFieldTypeName;
 		}

 		public String getMultiReferenceTargetTypeName(JavaResourceAttribute resourceAttribute) {
 			throw new UnsupportedOperationException();
 		}

 		public String getMultiReferenceMapKeyTypeName(JavaResourceAttribute resourceAttribute) {
 			throw new UnsupportedOperationException();
 		}
 	}

 	/**
 	 * Collection JPA container definition
 	 */
 	protected static class CollectionJpaContainerDefinition
 		extends AbstractJpaContainerDefinition
 	{
 		protected CollectionJpaContainerDefinition(Class<?> collectionClass, String staticMetamodelTypeDeclarationTypeName) {
 			super(collectionClass, staticMetamodelTypeDeclarationTypeName);
 		}

 		public String getMetamodelContainerFieldMapKeyTypeName(CollectionMapping mapping) {
 			return null;
 		}

 		public boolean isMap() {
 			return false;
 		}
 	}

 	/**
 	 * Map JPA container definition
 	 */
 	protected static class MapJpaContainerDefinition
 		extends AbstractJpaContainerDefinition
 	{
 		protected MapJpaContainerDefinition(Class<?> mapClass, String staticMetamodelTypeDeclarationTypeName) {
 			super(mapClass, staticMetamodelTypeDeclarationTypeName);
 		}

 		public String getMetamodelContainerFieldMapKeyTypeName(CollectionMapping mapping) {
 			return mapping.getMetamodelFieldMapKeyTypeName();
 		}

 		public boolean isMap() {
 			return true;
 		}
 	}


 	// ********** misc **********

 	@Override
 	public OrmPersistentType getParent() {
 		return (OrmPersistentType) super.getParent();
 	}

 	public OrmPersistentType getOwningPersistentType() {
 		return this.getParent();
 	}

 	public TypeMapping getOwningTypeMapping() {
 		return this.getOwningPersistentType().getMapping();
 	}

 	protected EntityMappings getEntityMappings() {
 		return (EntityMappings) getParent().getMappingFileRoot();
 	}

 	public String getPrimaryKeyColumnName() {
 		throw new UnsupportedOperationException("Owing orm persistent attribute should handle, this should not be called."); //$NON-NLS-1$
 	}

 	@Override
 	public void toString(StringBuilder sb) {
 		sb.append(this.getName());
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2012 Oracle. 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:
	* Oracle - initial API and implementation
	******************************************************************************/
	package org.eclipse.jpt.jpa.eclipselink.core.internal.context.orm;

	import org.eclipse.jdt.core.IType;
	import org.eclipse.jdt.core.JavaModelException;
	import org.eclipse.jdt.core.dom.CompilationUnit;
	import org.eclipse.jpt.common.core.internal.utility.JDTTools;
	import org.eclipse.jpt.common.core.resource.java.JavaResourceAttribute;
	import org.eclipse.jpt.common.core.resource.java.JavaResourceField;
	import org.eclipse.jpt.common.core.resource.java.JavaResourceMethod;
	import org.eclipse.jpt.common.core.utility.TextRange;
	import org.eclipse.jpt.common.utility.internal.ClassName;
	import org.eclipse.jpt.common.utility.internal.iterables.ArrayIterable;
	import org.eclipse.jpt.jpa.core.JpaStructureNode;
	import org.eclipse.jpt.jpa.core.context.AccessType;
	import org.eclipse.jpt.jpa.core.context.CollectionMapping;
	import org.eclipse.jpt.jpa.core.context.TypeMapping;
	import org.eclipse.jpt.jpa.core.context.java.Accessor;
	import org.eclipse.jpt.jpa.core.context.java.JavaAttributeMapping;
	import org.eclipse.jpt.jpa.core.context.java.JavaPersistentAttribute;
	import org.eclipse.jpt.jpa.core.context.orm.EntityMappings;
	import org.eclipse.jpt.jpa.core.context.orm.OrmPersistentType;
	import org.eclipse.jpt.jpa.core.internal.context.java.AbstractJavaJpaContextNode;
	import org.eclipse.jpt.jpa.core.internal.jpa1.context.java.GenericJavaNullAttributeMapping;
	import org.eclipse.jpt.jpa.core.jpa2.context.MetamodelField;
	import org.eclipse.jpt.jpa.core.jpa2.context.java.JavaPersistentAttribute2_0;
	import org.eclipse.jpt.jpa.core.jpa2.resource.java.JPA2_0;
	import org.eclipse.jpt.jpa.eclipselink.core.JptJpaEclipseLinkCorePlugin;
	import org.eclipse.jpt.jpa.eclipselink.core.context.java.JavaEclipseLinkPersistentAttribute;
	import org.eclipse.jpt.jpa.eclipselink.core.resource.orm.XmlAttributeMapping;

	public class VirtualJavaPersistentAttribute extends AbstractJavaJpaContextNode
	implements JavaPersistentAttribute2_0, JavaEclipseLinkPersistentAttribute
	{
	private final XmlAttributeMapping xmlAttributeMapping;

	private final JavaAttributeMapping attributeMapping;

	public VirtualJavaPersistentAttribute(OrmPersistentType parent, XmlAttributeMapping xmlAttributeMapping) {
	super(parent);
	this.xmlAttributeMapping = xmlAttributeMapping;
	this.attributeMapping = new GenericJavaNullAttributeMapping(this);
	}

	public XmlAttributeMapping getXmlAttributeMapping() {
	return this.xmlAttributeMapping;
	}

	public JavaAttributeMapping getMapping() {
	return this.attributeMapping;
	}

	public JavaAttributeMapping setMappingKey(String key) {
	throw new UnsupportedOperationException("cannot set anything on a virtual java persistent attribute"); //$NON-NLS-1$
	}

	public Accessor getAccessor() {
	return null;
	}

	public JavaResourceAttribute getResourceAttribute() {
	return null;
	}

	public boolean isFor(JavaResourceField resourceField) {
	return false;
	}

	public boolean isFor(JavaResourceMethod resourceGetter, JavaResourceMethod resourceSetter) {
	return false;
	}

	public boolean contains(int offset, CompilationUnit astRoot) {
	throw new UnsupportedOperationException();
	}

	public String getTypeName() {
	String typeName = this.xmlAttributeMapping.getAttributeType();
	return typeName == null ? null : this.getEntityMappings().getFullyQualifiedName(typeName);
	}

	public boolean typeIsBasic() {
	return false;//not valid for a default basic mapping, specified in orm.xml
	}

	public String getSingleReferenceTargetTypeName() {
	return null; //used for building default target entity/embeddable, must be specified in a virtual mapping
	}

	public String getMultiReferenceTargetTypeName() {
	return null; //used for building default target entity/target class, must be specified in a virtual mapping
	}

	public String getMultiReferenceMapKeyTypeName() {
	return null; //used for building default map key class, must be specified in a virtual mapping
	}

	public String getName() {
	return this.xmlAttributeMapping.getName();
	}

	public String getMappingKey() {
	return null;
	}

	public String getDefaultMappingKey() {
	return null;
	}

	public boolean isVirtual() {
	throw new UnsupportedOperationException("Owing orm persistent attribute is specified, this should not be called."); //$NON-NLS-1$
	}

	public JavaPersistentAttribute getJavaPersistentAttribute() {
	return this;
	}


	// ******** JpaStructureNode implementation ********


	public JpaStructureNode getStructureNode(int textOffset) {
	throw new UnsupportedOperationException("There is no resource for a virtual java persistent attribute"); //$NON-NLS-1$
	}

	public TextRange getSelectionTextRange() {
	throw new UnsupportedOperationException("There is no resource for a virtual java persistent attribute"); //$NON-NLS-1$
	}

	public ContextType getContextType() {
	throw new UnsupportedOperationException("There is no resource for a virtual java persistent attribute"); //$NON-NLS-1$
	}

	public Class<? extends JpaStructureNode> getType() {
	throw new UnsupportedOperationException("There is no resource for a virtual java persistent attribute"); //$NON-NLS-1$
	}

	public void dispose() {
	throw new UnsupportedOperationException("There is no resource for a virtual java persistent attribute"); //$NON-NLS-1$
	}

	public AccessType getAccess() {
	return null;
	}

	public AccessType getSpecifiedAccess() {
	return null;
	}

	public void setSpecifiedAccess(AccessType newSpecifiedAccess) {
	throw new UnsupportedOperationException("cannot set anything on a virtual java persistent attribute"); //$NON-NLS-1$
	}

	public AccessType getDefaultAccess() {
	return null;
	}

	public TextRange getValidationTextRange(CompilationUnit astRoot) {
	throw new UnsupportedOperationException();
	}


	public boolean typeIsDateOrCalendar() {
	String typeName = this.getTypeName();
	if (typeName == null) {
	return false;
	}
	return JDTTools.typeIsSubType(this.getJavaProject(), typeName, DATE_TYPE_NAME)
	\|\| JDTTools.typeIsSubType(this.getJavaProject(), typeName, CALENDAR_TYPE_NAME);
	}

	public boolean typeIsSerializable() {
	String typeName = this.getTypeName();
	if (typeName == null) {
	return false;
	}
	return JDTTools.typeIsSubType(this.getJavaProject(), typeName, JDTTools.SERIALIZABLE_CLASS_NAME);
	}

	public boolean typeIsValidForVariableOneToOne() {
	String typeName = this.getTypeName();
	if (typeName == null) {
	return false;
	}
	IType type = JDTTools.findType(getJavaProject(), typeName);
	try {
	return type != null &&
	type.isInterface() &&
	this.interfaceIsValidForVariableOneToOne(typeName);
	}
	catch (JavaModelException e) {
	JptJpaEclipseLinkCorePlugin.log(e);
	return false;
	}
	}

	protected boolean interfaceIsValidForVariableOneToOne(String interfaceName) {
	return ! this.interfaceIsInvalidForVariableOneToOne(interfaceName);
	}

	// TODO we could probably add more interfaces to this list...
	protected boolean interfaceIsInvalidForVariableOneToOne(String interfaceName) {
	return (interfaceName == null) \|\|
	this.typeIsContainer(interfaceName) \|\|
	interfaceName.equals("org.eclipse.persistence.indirection.ValueHolderInterface"); //$NON-NLS-1$
	}

	/**
	* return whether the specified type is one of the container
	* types allowed by the JPA spec
	*/
	protected boolean typeIsContainer(String typeName) {
	return this.getJpaContainerDefinition(typeName).isContainer();
	}


	// ******** metamodel ********

	public String getMetamodelContainerFieldTypeName() {
	throw new UnsupportedOperationException("parent OrmPersistentAttribute implements this"); //$NON-NLS-1$
	}

	public String getMetamodelContainerFieldMapKeyTypeName() {
	throw new UnsupportedOperationException("parent OrmPersistentAttribute implements this"); //$NON-NLS-1$
	}


	public String getMetamodelTypeName() {
	String typeName = this.getTypeName();
	if (typeName == null) {
	return MetamodelField.DEFAULT_TYPE_NAME;
	}
	if (ClassName.isPrimitive(typeName)) {
	return ClassName.getWrapperClassName(typeName); // ???
	}
	return typeName;
	}

	public JpaContainerDefinition getJpaContainerDefinition() {
	// 'typeName' may include array brackets ("[]")
	// but not generic type arguments (e.g. "<java.lang.String>")
	return this.getJpaContainerDefinition(this.getTypeName());
	}

	//I don't think we should be doing this here, I think OrmAttributeMappings should be responsible for their own JpaContainerDefinition
	//Generic can just get it from the JavaPersistentAttribute
	/**
	* Return the JPA container definition corresponding to the specified type;
	* return a "null" definition if the specified type is not "assignable to" one of the
	* container types allowed by the JPA spec.
	*/
	protected JpaContainerDefinition getJpaContainerDefinition(String typeName) {
	if (typeName != null) {
	for (JpaContainerDefinition definition : getJpaContainerDefinitions()) {
	if (definition.isAssignableFrom(typeName)) {
	return definition;
	}
	}
	}
	return JpaContainerDefinition.Null.instance();
	}

	protected Iterable<JpaContainerDefinition> getJpaContainerDefinitions() {
	return JPA_CONTAINER_DEFINITIONS;
	}

	protected static final JpaContainerDefinition[] JPA_CONTAINER_DEFINITION_ARRAY = new JpaContainerDefinition[] {
	new CollectionJpaContainerDefinition(java.util.Set.class, JPA2_0.SET_ATTRIBUTE),
	new CollectionJpaContainerDefinition(java.util.List.class, JPA2_0.LIST_ATTRIBUTE),
	new CollectionJpaContainerDefinition(java.util.Collection.class, JPA2_0.COLLECTION_ATTRIBUTE),
	new MapJpaContainerDefinition(java.util.Map.class, JPA2_0.MAP_ATTRIBUTE)
	};

	protected static final Iterable<JpaContainerDefinition> JPA_CONTAINER_DEFINITIONS = new ArrayIterable<JpaContainerDefinition>(JPA_CONTAINER_DEFINITION_ARRAY);


	/**
	* Abstract JPA container definition
	*/
	protected abstract static class AbstractJpaContainerDefinition
	implements JpaContainerDefinition
	{
	protected final Class<?> containerClass;
	protected final String metamodelContainerFieldTypeName;

	protected AbstractJpaContainerDefinition(Class<?> containerClass, String metamodelContainerFieldTypeName) {
	super();
	if ((containerClass == null) \|\| (metamodelContainerFieldTypeName == null)) {
	throw new NullPointerException();
	}
	this.containerClass = containerClass;
	this.metamodelContainerFieldTypeName = metamodelContainerFieldTypeName;
	}

	public boolean isAssignableFrom(String typeName) {
	try {
	return this.containerClass.isAssignableFrom(Class.forName(typeName));
	}
	catch (ClassNotFoundException e) {
	return false;
	}
	}

	public boolean isContainer() {
	return true;
	}

	public String getMetamodelContainerFieldTypeName() {
	return this.metamodelContainerFieldTypeName;
	}

	public String getMultiReferenceTargetTypeName(JavaResourceAttribute resourceAttribute) {
	throw new UnsupportedOperationException();
	}

	public String getMultiReferenceMapKeyTypeName(JavaResourceAttribute resourceAttribute) {
	throw new UnsupportedOperationException();
	}
	}

	/**
	* Collection JPA container definition
	*/
	protected static class CollectionJpaContainerDefinition
	extends AbstractJpaContainerDefinition
	{
	protected CollectionJpaContainerDefinition(Class<?> collectionClass, String staticMetamodelTypeDeclarationTypeName) {
	super(collectionClass, staticMetamodelTypeDeclarationTypeName);
	}

	public String getMetamodelContainerFieldMapKeyTypeName(CollectionMapping mapping) {
	return null;
	}

	public boolean isMap() {
	return false;
	}
	}

	/**
	* Map JPA container definition
	*/
	protected static class MapJpaContainerDefinition
	extends AbstractJpaContainerDefinition
	{
	protected MapJpaContainerDefinition(Class<?> mapClass, String staticMetamodelTypeDeclarationTypeName) {
	super(mapClass, staticMetamodelTypeDeclarationTypeName);
	}

	public String getMetamodelContainerFieldMapKeyTypeName(CollectionMapping mapping) {
	return mapping.getMetamodelFieldMapKeyTypeName();
	}

	public boolean isMap() {
	return true;
	}
	}


	// ******** misc ********

	@Override
	public OrmPersistentType getParent() {
	return (OrmPersistentType) super.getParent();
	}

	public OrmPersistentType getOwningPersistentType() {
	return this.getParent();
	}

	public TypeMapping getOwningTypeMapping() {
	return this.getOwningPersistentType().getMapping();
	}

	protected EntityMappings getEntityMappings() {
	return (EntityMappings) getParent().getMappingFileRoot();
	}

	public String getPrimaryKeyColumnName() {
	throw new UnsupportedOperationException("Owing orm persistent attribute should handle, this should not be called."); //$NON-NLS-1$
	}

	@Override
	public void toString(StringBuilder sb) {
	sb.append(this.getName());
	}
	}