bundles/org.eclipse.emf.ecp.view.model/src/org/eclipse/emf/ecp/view/spi/model/impl/VFeaturePathDomainModelReferenceImpl.java - emfclient/org.eclipse.emf.ecp.core - Git at Google

 /**
  * Copyright (c) 2011-2013 EclipseSource Muenchen GmbH and others.
  *
  * 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:
  * Eugen Neufeld - initial API and implementation
  */
 package org.eclipse.emf.ecp.view.spi.model.impl;

 import java.util.ArrayList;
 import java.util.Collection;
 import java.util.Collections;
 import java.util.Iterator;
 import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.NoSuchElementException;
 import java.util.Set;

 import org.eclipse.emf.common.notify.Notification;
 import org.eclipse.emf.common.util.Diagnostic;
 import org.eclipse.emf.common.util.EList;
 import org.eclipse.emf.ecore.EAttribute;
 import org.eclipse.emf.ecore.EClass;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.EReference;
 import org.eclipse.emf.ecore.EStructuralFeature;
 import org.eclipse.emf.ecore.EStructuralFeature.Setting;
 import org.eclipse.emf.ecore.InternalEObject;
 import org.eclipse.emf.ecore.impl.ENotificationImpl;
 import org.eclipse.emf.ecore.impl.EObjectImpl;
 import org.eclipse.emf.ecore.util.EDataTypeUniqueEList;
 import org.eclipse.emf.ecore.util.EObjectResolvingEList;
 import org.eclipse.emf.ecore.util.EcoreUtil;
 import org.eclipse.emf.ecp.view.spi.model.DomainModelReferenceChangeListener;
 import org.eclipse.emf.ecp.view.spi.model.ModelChangeNotification;
 import org.eclipse.emf.ecp.view.spi.model.SettingPath;
 import org.eclipse.emf.ecp.view.spi.model.VControl;
 import org.eclipse.emf.ecp.view.spi.model.VFeaturePathDomainModelReference;
 import org.eclipse.emf.ecp.view.spi.model.VViewPackage;

 /**
  * <!-- begin-user-doc -->
  * An implementation of the model rootEObject '<em><b>VFeature Path Domain Model Reference</b></em>'.
  * <!-- end-user-doc -->
  * <p>
  * The following features are implemented:
  * </p>
  * <ul>
  * <li>{@link org.eclipse.emf.ecp.view.spi.model.impl.VFeaturePathDomainModelReferenceImpl#getChangeListener <em>Change
  * Listener</em>}</li>
  * <li>{@link org.eclipse.emf.ecp.view.spi.model.impl.VFeaturePathDomainModelReferenceImpl#getDomainModelEFeature
  * <em>Domain Model EFeature</em>}</li>
  * <li>{@link org.eclipse.emf.ecp.view.spi.model.impl.VFeaturePathDomainModelReferenceImpl#getDomainModelEReferencePath
  * <em>Domain Model EReference Path</em>}</li>
  * </ul>
  *
  * @generated
  */
 public class VFeaturePathDomainModelReferenceImpl extends EObjectImpl implements
 	VFeaturePathDomainModelReference {
 	/**
 	 * The cached value of the '{@link #getChangeListener() <em>Change Listener</em>}' attribute list.
 	 * <!-- begin-user-doc -->
 	 *
 	 * @since 1.3
 	 *        <!-- end-user-doc -->
 	 * @see #getChangeListener()
 	 * @generated
 	 * @ordered
 	 */
 	protected EList<DomainModelReferenceChangeListener> changeListener;
 	/**
 	 * The cached value of the '{@link #getDomainModelEFeature() <em>Domain Model EFeature</em>}' reference.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @see #getDomainModelEFeature()
 	 * @generated
 	 * @ordered
 	 */
 	protected EStructuralFeature domainModelEFeature;
 	/**
 	 * The cached value of the '{@link #getDomainModelEReferencePath() <em>Domain Model EReference Path</em>}' reference
 	 * list.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @see #getDomainModelEReferencePath()
 	 * @generated
 	 * @ordered
 	 */
 	protected EList<EReference> domainModelEReferencePath;

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	protected VFeaturePathDomainModelReferenceImpl() {
 		super();
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	protected EClass eStaticClass() {
 		return VViewPackage.Literals.FEATURE_PATH_DOMAIN_MODEL_REFERENCE;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 *
 	 * @since 1.3
 	 *        <!-- end-user-doc -->
 	 * @generated
 	 */
 	@Deprecated
 	@Override
 	public EList<DomainModelReferenceChangeListener> getChangeListener() {
 		if (changeListener == null) {
 			changeListener = new EDataTypeUniqueEList<DomainModelReferenceChangeListener>(
 				DomainModelReferenceChangeListener.class, this,
 				VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__CHANGE_LISTENER);
 		}
 		return changeListener;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public EStructuralFeature getDomainModelEFeature() {
 		if (domainModelEFeature != null && domainModelEFeature.eIsProxy()) {
 			final InternalEObject oldDomainModelEFeature = (InternalEObject) domainModelEFeature;
 			domainModelEFeature = (EStructuralFeature) eResolveProxy(oldDomainModelEFeature);
 			if (domainModelEFeature != oldDomainModelEFeature) {
 				if (eNotificationRequired()) {
 					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
 						VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EFEATURE, oldDomainModelEFeature,
 						domainModelEFeature));
 				}
 			}
 		}
 		return domainModelEFeature;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	public EStructuralFeature basicGetDomainModelEFeature() {
 		return domainModelEFeature;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public void setDomainModelEFeature(EStructuralFeature newDomainModelEFeature) {
 		final EStructuralFeature oldDomainModelEFeature = domainModelEFeature;
 		domainModelEFeature = newDomainModelEFeature;
 		if (eNotificationRequired()) {
 			eNotify(new ENotificationImpl(this, Notification.SET,
 				VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EFEATURE, oldDomainModelEFeature,
 				domainModelEFeature));
 		}
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 *
 	 * @return the domain model reference path
 	 *         <!-- end-user-doc -->
 	 *
 	 * @generated NOT
 	 */
 	@Override
 	public EList<EReference> getDomainModelEReferencePath() {
 		if (domainModelEReferencePath == null) {
 			domainModelEReferencePath = new EObjectResolvingEList<EReference>(EReference.class, this,
 				VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EREFERENCE_PATH) {
 				private static final long serialVersionUID = 1L;

 				@Override
 				protected boolean isUnique() {
 					return false;
 				}
 			};
 		}
 		return domainModelEReferencePath;
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * .
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public Object eGet(int featureID, boolean resolve, boolean coreType) {
 		switch (featureID) {
 		case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__CHANGE_LISTENER:
 			return getChangeListener();
 		case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EFEATURE:
 			if (resolve) {
 				return getDomainModelEFeature();
 			}
 			return basicGetDomainModelEFeature();
 		case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EREFERENCE_PATH:
 			return getDomainModelEReferencePath();
 		}
 		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 VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__CHANGE_LISTENER:
 			getChangeListener().clear();
 			getChangeListener().addAll((Collection<? extends DomainModelReferenceChangeListener>) newValue);
 			return;
 		case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EFEATURE:
 			setDomainModelEFeature((EStructuralFeature) newValue);
 			return;
 		case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EREFERENCE_PATH:
 			getDomainModelEReferencePath().clear();
 			getDomainModelEReferencePath().addAll((Collection<? extends EReference>) newValue);
 			return;
 		}
 		super.eSet(featureID, newValue);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public void eUnset(int featureID) {
 		switch (featureID) {
 		case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__CHANGE_LISTENER:
 			getChangeListener().clear();
 			return;
 		case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EFEATURE:
 			setDomainModelEFeature((EStructuralFeature) null);
 			return;
 		case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EREFERENCE_PATH:
 			getDomainModelEReferencePath().clear();
 			return;
 		}
 		super.eUnset(featureID);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public boolean eIsSet(int featureID) {
 		switch (featureID) {
 		case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__CHANGE_LISTENER:
 			return changeListener != null && !changeListener.isEmpty();
 		case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EFEATURE:
 			return domainModelEFeature != null;
 		case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EREFERENCE_PATH:
 			return domainModelEReferencePath != null && !domainModelEReferencePath.isEmpty();
 		}
 		return super.eIsSet(featureID);
 	}

 	/**
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 *
 	 * @generated
 	 */
 	@Override
 	public String toString() {
 		if (eIsProxy()) {
 			return super.toString();
 		}

 		final StringBuffer result = new StringBuffer(super.toString());
 		result.append(" (changeListener: "); //$NON-NLS-1$
 		result.append(changeListener);
 		result.append(')');
 		return result.toString();
 	}

 	// /**
 	// * {@inheritDoc}
 	// *
 	// * @see org.eclipse.emf.ecp.view.model.VDomainModelReference#resolve(org.eclipse.emf.ecore.EObject)
 	// */
 	// public boolean resolve(final EObject domainModel) {
 	// final EStructuralFeature domainModelEFeatureValue = getDomainModelEFeature();
 	// if (domainModel == null || domainModelEFeatureValue == null) {
 	// return false;
 	// }
 	// EObject parent = domainModel;
 	// for (final EReference eReference : getDomainModelEReferencePath()) {
 	// if (eReference.isMany()) {
 	// return false;
 	// }
 	// if (!eReference.eContainer().equals(parent.eClass())) {
 	// return false;
 	// }
 	// EObject child = (EObject) parent.eGet(eReference);
 	// if (child == null) {
 	// child = EcoreUtil.create(eReference.getEReferenceType());
 	// parent.eSet(eReference, child);
 	// }
 	// parent = child;
 	// }
 	// setDomainModel(parent);
 	// setModelFeature(domainModelEFeatureValue);
 	// return true;
 	// }

 	private final List<Setting> resolvedSetting = new ArrayList<Setting>();

 	/**
 	 * @since 1.3
 	 */
 	protected boolean resolve(EObject domainModel, boolean createMissingChildren) {
 		final EStructuralFeature domainModelEFeatureValue = getDomainModelEFeature();
 		if (domainModel == null || domainModelEFeatureValue == null) {
 			return false;
 		}

 		EObject currentResolvedEObject = domainModel;
 		final ArrayList<EReference> currentLeftReferences = new ArrayList<EReference>(getDomainModelEReferencePath());
 		for (final EReference eReference : getDomainModelEReferencePath()) {
 			if (!currentResolvedEObject.eClass().getEAllReferences().contains(eReference)) {
 				return false;
 			}
 			resolvedSetting.add(InternalEObject.class.cast(currentResolvedEObject).eSetting(eReference));
 			if (eReference.isMany()) {
 				break;
 			}
 			if (!eReference.getEContainingClass().isInstance(currentResolvedEObject)) {
 				return false;
 			}
 			EObject child = (EObject) currentResolvedEObject.eGet(eReference);
 			if (createMissingChildren && child == null) {
 				if (!eReference.getEReferenceType().isAbstract() && !eReference.getEReferenceType().isInterface()) {
 					child = EcoreUtil.create(eReference.getEReferenceType());
 				} else if (currentLeftReferences.size() == 1
 					&& !domainModelEFeatureValue.getEContainingClass().isAbstract()
 					&& !domainModelEFeatureValue.getEContainingClass().isInterface()) {
 					child = EcoreUtil.create(domainModelEFeatureValue.getEContainingClass());
 				}
 				currentResolvedEObject.eSet(eReference, child);
 			}
 			if (child == null) {
 				break;
 			}
 			currentResolvedEObject = child;
 			currentLeftReferences.remove(eReference);
 		}
 		// FIXME this check is currently needed to ignore resolve tries with a wrong EObject
 		// workaround block start
 		// if (lastResolvedEObject != null && currentLeftReferences.isEmpty()
 		// && !currentResolvedEObject.eClass().getEAllStructuralFeatures().contains(getDomainModelEFeature())) {
 		// return false;
 		// }
 		// workaround block end
 		lastResolvedEObject = currentResolvedEObject;
 		leftReferences = currentLeftReferences;
 		// resolvedSetting.add(InternalEObject.class.cast(lastResolvedEObject).eSetting(getDomainModelEFeature()));
 		if (!leftReferences.isEmpty()) {
 			return false;
 		}
 		return true;
 	}

 	protected List<EReference> leftReferences;
 	protected EObject lastResolvedEObject;
 	/**
 	 * @since 1.5
 	 */
 	protected EObject rootEObject;

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecp.view.spi.model.VDomainModelReference#getIterator()
 	 */
 	@Deprecated
 	@Override
 	public Iterator<Setting> getIterator() {
 		if (lastResolvedEObject == null || leftReferences == null) {
 			final Set<Setting> settings = Collections.emptySet();
 			return settings.iterator();
 		}

 		return new DomainModelReferenceIterator(leftReferences, lastResolvedEObject, getDomainModelEFeature());
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecp.view.spi.model.VDomainModelReference#getEStructuralFeatureIterator()
 	 */
 	@Deprecated
 	@Override
 	public Iterator<EStructuralFeature> getEStructuralFeatureIterator() {
 		return new Iterator<EStructuralFeature>() {

 			private int counter = 1;

 			@Override
 			public boolean hasNext() {
 				return counter == 1 && getDomainModelEFeature() != null;
 			}

 			@Override
 			public EStructuralFeature next() {
 				if (counter != 1) {
 					throw new NoSuchElementException(
 						"There is only one EStructuralFeature in this VFeaturePathDomainModelReference."); //$NON-NLS-1$
 				}
 				counter--;
 				return getDomainModelEFeature();
 			}

 			@Override
 			public void remove() {
 				// TODO Auto-generated method stub

 			}
 		};
 	}

 	/**
 	 *
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecp.view.spi.model.VDomainModelReference#init(org.eclipse.emf.ecore.EObject)
 	 * @since 1.3
 	 */
 	@Deprecated
 	@Override
 	public boolean init(final EObject object) {
 		rootEObject = object;

 		return resolve(object, true);
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecp.view.spi.model.VDomainModelReference#getFullPathIterator()
 	 * @since 1.3
 	 */
 	@Deprecated
 	@Override
 	public Iterator<SettingPath> getFullPathIterator() {
 		return new Iterator<SettingPath>() {

 			int leftWaysToCheck = 1;

 			@Override
 			public boolean hasNext() {
 				return leftWaysToCheck != 0;
 			}

 			@Override
 			public SettingPath next() {
 				leftWaysToCheck--;
 				return new SettingPath() {

 					@Override
 					public Iterator<Setting> getPath() {
 						return new Iterator<EStructuralFeature.Setting>() {

 							private final Iterator<Setting> pathIterator = resolvedSetting.iterator();
 							private final Iterator<Setting> childIterator = getIterator();

 							@Override
 							public void remove() {
 								// TODO Auto-generated method stub

 							}

 							@Override
 							public Setting next() {
 								if (pathIterator.hasNext()) {
 									return pathIterator.next();
 								}
 								if (childIterator != null && childIterator.hasNext()) {
 									return childIterator.next();
 								}
 								return null;
 							}

 							@Override
 							public boolean hasNext() {
 								if (pathIterator.hasNext()) {
 									return true;
 								}
 								// get the iterator once
 								// if (childIterator == null) {
 								// childIterator = getIterator();
 								// }
 								return childIterator.hasNext();
 							}
 						};
 					}
 				};
 			}

 			@Override
 			public void remove() {
 				// TODO Auto-generated method stub

 			}
 		};
 	}

 	/**
 	 * {@inheritDoc}
 	 *
 	 * @see org.eclipse.emf.ecp.view.spi.model.ModelChangeListener#notifyChange(org.eclipse.emf.ecp.view.spi.model.ModelChangeNotification)
 	 * @since 1.3
 	 */
 	@Override
 	public void notifyChange(ModelChangeNotification notification) {
 		if (rootEObject == null) {
 			return;
 		}
 		if (notification.getRawNotification().isTouch()) {
 			return;
 		}
 		if (EAttribute.class.isInstance(notification.getStructuralFeature())) {
 			return;
 		}
 		boolean relevantChange = false;

 		EObject iterateEObject = rootEObject;
 		for (final EReference eReference : getDomainModelEReferencePath()) {
 			relevantChange |= eReference.equals(notification.getStructuralFeature())
 				&& iterateEObject == notification.getNotifier();
 			if (relevantChange) {
 				break;
 			}
 			iterateEObject = (EObject) iterateEObject.eGet(eReference);
 		}
 		relevantChange |= notification.getStructuralFeature().equals(getDomainModelEFeature())
 			&& lastResolvedEObject == notification.getNotifier();

 		if (relevantChange) { //

 			cleanDiagnostic(getDomainModelEFeature().equals(notification.getStructuralFeature()), notification);

 			resolve(rootEObject, false);
 			final List<DomainModelReferenceChangeListener> copyOfChangeListeners = new ArrayList<DomainModelReferenceChangeListener>(
 				getChangeListener());
 			for (final DomainModelReferenceChangeListener listener : copyOfChangeListeners) {
 				listener.notifyChange();
 			}
 		}
 	}

 	/**
 	 * @param notification
 	 * @since 1.5
 	 */
 	protected void cleanDiagnostic(boolean baseFeatureChanged, ModelChangeNotification notification) {
 		if (!(eContainer() instanceof VControl)) {
 			return;
 		}
 		final VControl vControl = (VControl) eContainer();
 		if (vControl.getDiagnostic() == null) {
 			return;
 		}
 		if (!baseFeatureChanged) {
 			vControl.setDiagnostic(null);
 		} else if (!notification.getStructuralFeature().isMany()) {
 			vControl.setDiagnostic(null);
 		} else if (Notification.REMOVE == notification.getRawNotification().getEventType()) {
 			final EObject oldValue = (EObject) notification.getRawNotification().getOldValue();
 			final Set<Diagnostic> toDelete = new LinkedHashSet<Diagnostic>();
 			for (final Object diagnosticObject : vControl.getDiagnostic().getDiagnostics()) {
 				final Diagnostic diagnostic = (Diagnostic) diagnosticObject;
 				EObject diagnosticDataObject = (EObject) diagnostic.getData().get(0);
 				while (diagnosticDataObject != oldValue && diagnosticDataObject != null) {
 					diagnosticDataObject = diagnosticDataObject.eContainer();
 				}
 				if (diagnosticDataObject == oldValue) {
 					toDelete.add(diagnostic);
 				}
 			}
 			for (final Diagnostic diagnostic : toDelete) {
 				vControl.getDiagnostic().getDiagnostics().remove(diagnostic);
 			}
 		} else if (Notification.REMOVE_MANY == notification.getRawNotification().getEventType()) {
 			final Collection<?> oldValue = (Collection<?>) notification.getRawNotification().getOldValue();
 			final Set<Diagnostic> toDelete = new LinkedHashSet<Diagnostic>();
 			for (final Object diagnosticObject : vControl.getDiagnostic().getDiagnostics()) {
 				final Diagnostic diagnostic = (Diagnostic) diagnosticObject;
 				EObject diagnosticDataObject = (EObject) diagnostic.getData().get(0);
 				while (!oldValue.contains(diagnosticDataObject) && diagnosticDataObject != null) {
 					diagnosticDataObject = diagnosticDataObject.eContainer();
 				}

 				if (oldValue.contains(diagnosticDataObject)) {
 					toDelete.add(diagnostic);
 				}
 			}
 			for (final Diagnostic diagnostic : toDelete) {
 				vControl.getDiagnostic().getDiagnostics().remove(diagnostic);
 			}
 		}
 	}
 } // VFeaturePathDomainModelReferenceImpl
	/**
	* Copyright (c) 2011-2013 EclipseSource Muenchen GmbH and others.
	*
	* 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:
	* Eugen Neufeld - initial API and implementation
	*/
	package org.eclipse.emf.ecp.view.spi.model.impl;

	import java.util.ArrayList;
	import java.util.Collection;
	import java.util.Collections;
	import java.util.Iterator;
	import java.util.LinkedHashSet;
	import java.util.List;
	import java.util.NoSuchElementException;
	import java.util.Set;

	import org.eclipse.emf.common.notify.Notification;
	import org.eclipse.emf.common.util.Diagnostic;
	import org.eclipse.emf.common.util.EList;
	import org.eclipse.emf.ecore.EAttribute;
	import org.eclipse.emf.ecore.EClass;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.ecore.EReference;
	import org.eclipse.emf.ecore.EStructuralFeature;
	import org.eclipse.emf.ecore.EStructuralFeature.Setting;
	import org.eclipse.emf.ecore.InternalEObject;
	import org.eclipse.emf.ecore.impl.ENotificationImpl;
	import org.eclipse.emf.ecore.impl.EObjectImpl;
	import org.eclipse.emf.ecore.util.EDataTypeUniqueEList;
	import org.eclipse.emf.ecore.util.EObjectResolvingEList;
	import org.eclipse.emf.ecore.util.EcoreUtil;
	import org.eclipse.emf.ecp.view.spi.model.DomainModelReferenceChangeListener;
	import org.eclipse.emf.ecp.view.spi.model.ModelChangeNotification;
	import org.eclipse.emf.ecp.view.spi.model.SettingPath;
	import org.eclipse.emf.ecp.view.spi.model.VControl;
	import org.eclipse.emf.ecp.view.spi.model.VFeaturePathDomainModelReference;
	import org.eclipse.emf.ecp.view.spi.model.VViewPackage;

	/**
	* <!-- begin-user-doc -->
	* An implementation of the model rootEObject '<em><b>VFeature Path Domain Model Reference</b></em>'.
	* <!-- end-user-doc -->
	* <p>
	* The following features are implemented:
	* </p>
	* <ul>
	* <li>{@link org.eclipse.emf.ecp.view.spi.model.impl.VFeaturePathDomainModelReferenceImpl#getChangeListener <em>Change
	* Listener</em>}</li>
	* <li>{@link org.eclipse.emf.ecp.view.spi.model.impl.VFeaturePathDomainModelReferenceImpl#getDomainModelEFeature
	* <em>Domain Model EFeature</em>}</li>
	* <li>{@link org.eclipse.emf.ecp.view.spi.model.impl.VFeaturePathDomainModelReferenceImpl#getDomainModelEReferencePath
	* <em>Domain Model EReference Path</em>}</li>
	* </ul>
	*
	* @generated
	*/
	public class VFeaturePathDomainModelReferenceImpl extends EObjectImpl implements
	VFeaturePathDomainModelReference {
	/**
	* The cached value of the '{@link #getChangeListener() <em>Change Listener</em>}' attribute list.
	* <!-- begin-user-doc -->
	*
	* @since 1.3
	* <!-- end-user-doc -->
	* @see #getChangeListener()
	* @generated
	* @ordered
	*/
	protected EList<DomainModelReferenceChangeListener> changeListener;
	/**
	* The cached value of the '{@link #getDomainModelEFeature() <em>Domain Model EFeature</em>}' reference.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @see #getDomainModelEFeature()
	* @generated
	* @ordered
	*/
	protected EStructuralFeature domainModelEFeature;
	/**
	* The cached value of the '{@link #getDomainModelEReferencePath() <em>Domain Model EReference Path</em>}' reference
	* list.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @see #getDomainModelEReferencePath()
	* @generated
	* @ordered
	*/
	protected EList<EReference> domainModelEReferencePath;

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	protected VFeaturePathDomainModelReferenceImpl() {
	super();
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	protected EClass eStaticClass() {
	return VViewPackage.Literals.FEATURE_PATH_DOMAIN_MODEL_REFERENCE;
	}

	/**
	* <!-- begin-user-doc -->
	*
	* @since 1.3
	* <!-- end-user-doc -->
	* @generated
	*/
	@Deprecated
	@Override
	public EList<DomainModelReferenceChangeListener> getChangeListener() {
	if (changeListener == null) {
	changeListener = new EDataTypeUniqueEList<DomainModelReferenceChangeListener>(
	DomainModelReferenceChangeListener.class, this,
	VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__CHANGE_LISTENER);
	}
	return changeListener;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public EStructuralFeature getDomainModelEFeature() {
	if (domainModelEFeature != null && domainModelEFeature.eIsProxy()) {
	final InternalEObject oldDomainModelEFeature = (InternalEObject) domainModelEFeature;
	domainModelEFeature = (EStructuralFeature) eResolveProxy(oldDomainModelEFeature);
	if (domainModelEFeature != oldDomainModelEFeature) {
	if (eNotificationRequired()) {
	eNotify(new ENotificationImpl(this, Notification.RESOLVE,
	VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EFEATURE, oldDomainModelEFeature,
	domainModelEFeature));
	}
	}
	}
	return domainModelEFeature;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	public EStructuralFeature basicGetDomainModelEFeature() {
	return domainModelEFeature;
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public void setDomainModelEFeature(EStructuralFeature newDomainModelEFeature) {
	final EStructuralFeature oldDomainModelEFeature = domainModelEFeature;
	domainModelEFeature = newDomainModelEFeature;
	if (eNotificationRequired()) {
	eNotify(new ENotificationImpl(this, Notification.SET,
	VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EFEATURE, oldDomainModelEFeature,
	domainModelEFeature));
	}
	}

	/**
	* <!-- begin-user-doc -->
	*
	* @return the domain model reference path
	* <!-- end-user-doc -->
	*
	* @generated NOT
	*/
	@Override
	public EList<EReference> getDomainModelEReferencePath() {
	if (domainModelEReferencePath == null) {
	domainModelEReferencePath = new EObjectResolvingEList<EReference>(EReference.class, this,
	VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EREFERENCE_PATH) {
	private static final long serialVersionUID = 1L;

	@Override
	protected boolean isUnique() {
	return false;
	}
	};
	}
	return domainModelEReferencePath;
	}

	/**
	* <!-- begin-user-doc -->
	* .
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
	switch (featureID) {
	case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__CHANGE_LISTENER:
	return getChangeListener();
	case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EFEATURE:
	if (resolve) {
	return getDomainModelEFeature();
	}
	return basicGetDomainModelEFeature();
	case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EREFERENCE_PATH:
	return getDomainModelEReferencePath();
	}
	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 VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__CHANGE_LISTENER:
	getChangeListener().clear();
	getChangeListener().addAll((Collection<? extends DomainModelReferenceChangeListener>) newValue);
	return;
	case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EFEATURE:
	setDomainModelEFeature((EStructuralFeature) newValue);
	return;
	case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EREFERENCE_PATH:
	getDomainModelEReferencePath().clear();
	getDomainModelEReferencePath().addAll((Collection<? extends EReference>) newValue);
	return;
	}
	super.eSet(featureID, newValue);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public void eUnset(int featureID) {
	switch (featureID) {
	case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__CHANGE_LISTENER:
	getChangeListener().clear();
	return;
	case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EFEATURE:
	setDomainModelEFeature((EStructuralFeature) null);
	return;
	case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EREFERENCE_PATH:
	getDomainModelEReferencePath().clear();
	return;
	}
	super.eUnset(featureID);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public boolean eIsSet(int featureID) {
	switch (featureID) {
	case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__CHANGE_LISTENER:
	return changeListener != null && !changeListener.isEmpty();
	case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EFEATURE:
	return domainModelEFeature != null;
	case VViewPackage.FEATURE_PATH_DOMAIN_MODEL_REFERENCE__DOMAIN_MODEL_EREFERENCE_PATH:
	return domainModelEReferencePath != null && !domainModelEReferencePath.isEmpty();
	}
	return super.eIsSet(featureID);
	}

	/**
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	*
	* @generated
	*/
	@Override
	public String toString() {
	if (eIsProxy()) {
	return super.toString();
	}

	final StringBuffer result = new StringBuffer(super.toString());
	result.append(" (changeListener: "); //$NON-NLS-1$
	result.append(changeListener);
	result.append(')');
	return result.toString();
	}

	// /**
	// * {@inheritDoc}
	// *
	// * @see org.eclipse.emf.ecp.view.model.VDomainModelReference#resolve(org.eclipse.emf.ecore.EObject)
	// */
	// public boolean resolve(final EObject domainModel) {
	// final EStructuralFeature domainModelEFeatureValue = getDomainModelEFeature();
	// if (domainModel == null \|\| domainModelEFeatureValue == null) {
	// return false;
	// }
	// EObject parent = domainModel;
	// for (final EReference eReference : getDomainModelEReferencePath()) {
	// if (eReference.isMany()) {
	// return false;
	// }
	// if (!eReference.eContainer().equals(parent.eClass())) {
	// return false;
	// }
	// EObject child = (EObject) parent.eGet(eReference);
	// if (child == null) {
	// child = EcoreUtil.create(eReference.getEReferenceType());
	// parent.eSet(eReference, child);
	// }
	// parent = child;
	// }
	// setDomainModel(parent);
	// setModelFeature(domainModelEFeatureValue);
	// return true;
	// }

	private final List<Setting> resolvedSetting = new ArrayList<Setting>();

	/**
	* @since 1.3
	*/
	protected boolean resolve(EObject domainModel, boolean createMissingChildren) {
	final EStructuralFeature domainModelEFeatureValue = getDomainModelEFeature();
	if (domainModel == null \|\| domainModelEFeatureValue == null) {
	return false;
	}

	EObject currentResolvedEObject = domainModel;
	final ArrayList<EReference> currentLeftReferences = new ArrayList<EReference>(getDomainModelEReferencePath());
	for (final EReference eReference : getDomainModelEReferencePath()) {
	if (!currentResolvedEObject.eClass().getEAllReferences().contains(eReference)) {
	return false;
	}
	resolvedSetting.add(InternalEObject.class.cast(currentResolvedEObject).eSetting(eReference));
	if (eReference.isMany()) {
	break;
	}
	if (!eReference.getEContainingClass().isInstance(currentResolvedEObject)) {
	return false;
	}
	EObject child = (EObject) currentResolvedEObject.eGet(eReference);
	if (createMissingChildren && child == null) {
	if (!eReference.getEReferenceType().isAbstract() && !eReference.getEReferenceType().isInterface()) {
	child = EcoreUtil.create(eReference.getEReferenceType());
	} else if (currentLeftReferences.size() == 1
	&& !domainModelEFeatureValue.getEContainingClass().isAbstract()
	&& !domainModelEFeatureValue.getEContainingClass().isInterface()) {
	child = EcoreUtil.create(domainModelEFeatureValue.getEContainingClass());
	}
	currentResolvedEObject.eSet(eReference, child);
	}
	if (child == null) {
	break;
	}
	currentResolvedEObject = child;
	currentLeftReferences.remove(eReference);
	}
	// FIXME this check is currently needed to ignore resolve tries with a wrong EObject
	// workaround block start
	// if (lastResolvedEObject != null && currentLeftReferences.isEmpty()
	// && !currentResolvedEObject.eClass().getEAllStructuralFeatures().contains(getDomainModelEFeature())) {
	// return false;
	// }
	// workaround block end
	lastResolvedEObject = currentResolvedEObject;
	leftReferences = currentLeftReferences;
	// resolvedSetting.add(InternalEObject.class.cast(lastResolvedEObject).eSetting(getDomainModelEFeature()));
	if (!leftReferences.isEmpty()) {
	return false;
	}
	return true;
	}

	protected List<EReference> leftReferences;
	protected EObject lastResolvedEObject;
	/**
	* @since 1.5
	*/
	protected EObject rootEObject;

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecp.view.spi.model.VDomainModelReference#getIterator()
	*/
	@Deprecated
	@Override
	public Iterator<Setting> getIterator() {
	if (lastResolvedEObject == null \|\| leftReferences == null) {
	final Set<Setting> settings = Collections.emptySet();
	return settings.iterator();
	}

	return new DomainModelReferenceIterator(leftReferences, lastResolvedEObject, getDomainModelEFeature());
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecp.view.spi.model.VDomainModelReference#getEStructuralFeatureIterator()
	*/
	@Deprecated
	@Override
	public Iterator<EStructuralFeature> getEStructuralFeatureIterator() {
	return new Iterator<EStructuralFeature>() {

	private int counter = 1;

	@Override
	public boolean hasNext() {
	return counter == 1 && getDomainModelEFeature() != null;
	}

	@Override
	public EStructuralFeature next() {
	if (counter != 1) {
	throw new NoSuchElementException(
	"There is only one EStructuralFeature in this VFeaturePathDomainModelReference."); //$NON-NLS-1$
	}
	counter--;
	return getDomainModelEFeature();
	}

	@Override
	public void remove() {
	// TODO Auto-generated method stub

	}
	};
	}

	/**
	*
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecp.view.spi.model.VDomainModelReference#init(org.eclipse.emf.ecore.EObject)
	* @since 1.3
	*/
	@Deprecated
	@Override
	public boolean init(final EObject object) {
	rootEObject = object;

	return resolve(object, true);
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecp.view.spi.model.VDomainModelReference#getFullPathIterator()
	* @since 1.3
	*/
	@Deprecated
	@Override
	public Iterator<SettingPath> getFullPathIterator() {
	return new Iterator<SettingPath>() {

	int leftWaysToCheck = 1;

	@Override
	public boolean hasNext() {
	return leftWaysToCheck != 0;
	}

	@Override
	public SettingPath next() {
	leftWaysToCheck--;
	return new SettingPath() {

	@Override
	public Iterator<Setting> getPath() {
	return new Iterator<EStructuralFeature.Setting>() {

	private final Iterator<Setting> pathIterator = resolvedSetting.iterator();
	private final Iterator<Setting> childIterator = getIterator();

	@Override
	public void remove() {
	// TODO Auto-generated method stub

	}

	@Override
	public Setting next() {
	if (pathIterator.hasNext()) {
	return pathIterator.next();
	}
	if (childIterator != null && childIterator.hasNext()) {
	return childIterator.next();
	}
	return null;
	}

	@Override
	public boolean hasNext() {
	if (pathIterator.hasNext()) {
	return true;
	}
	// get the iterator once
	// if (childIterator == null) {
	// childIterator = getIterator();
	// }
	return childIterator.hasNext();
	}
	};
	}
	};
	}

	@Override
	public void remove() {
	// TODO Auto-generated method stub

	}
	};
	}

	/**
	* {@inheritDoc}
	*
	* @see org.eclipse.emf.ecp.view.spi.model.ModelChangeListener#notifyChange(org.eclipse.emf.ecp.view.spi.model.ModelChangeNotification)
	* @since 1.3
	*/
	@Override
	public void notifyChange(ModelChangeNotification notification) {
	if (rootEObject == null) {
	return;
	}
	if (notification.getRawNotification().isTouch()) {
	return;
	}
	if (EAttribute.class.isInstance(notification.getStructuralFeature())) {
	return;
	}
	boolean relevantChange = false;

	EObject iterateEObject = rootEObject;
	for (final EReference eReference : getDomainModelEReferencePath()) {
	relevantChange \|= eReference.equals(notification.getStructuralFeature())
	&& iterateEObject == notification.getNotifier();
	if (relevantChange) {
	break;
	}
	iterateEObject = (EObject) iterateEObject.eGet(eReference);
	}
	relevantChange \|= notification.getStructuralFeature().equals(getDomainModelEFeature())
	&& lastResolvedEObject == notification.getNotifier();

	if (relevantChange) { //

	cleanDiagnostic(getDomainModelEFeature().equals(notification.getStructuralFeature()), notification);

	resolve(rootEObject, false);
	final List<DomainModelReferenceChangeListener> copyOfChangeListeners = new ArrayList<DomainModelReferenceChangeListener>(
	getChangeListener());
	for (final DomainModelReferenceChangeListener listener : copyOfChangeListeners) {
	listener.notifyChange();
	}
	}
	}

	/**
	* @param notification
	* @since 1.5
	*/
	protected void cleanDiagnostic(boolean baseFeatureChanged, ModelChangeNotification notification) {
	if (!(eContainer() instanceof VControl)) {
	return;
	}
	final VControl vControl = (VControl) eContainer();
	if (vControl.getDiagnostic() == null) {
	return;
	}
	if (!baseFeatureChanged) {
	vControl.setDiagnostic(null);
	} else if (!notification.getStructuralFeature().isMany()) {
	vControl.setDiagnostic(null);
	} else if (Notification.REMOVE == notification.getRawNotification().getEventType()) {
	final EObject oldValue = (EObject) notification.getRawNotification().getOldValue();
	final Set<Diagnostic> toDelete = new LinkedHashSet<Diagnostic>();
	for (final Object diagnosticObject : vControl.getDiagnostic().getDiagnostics()) {
	final Diagnostic diagnostic = (Diagnostic) diagnosticObject;
	EObject diagnosticDataObject = (EObject) diagnostic.getData().get(0);
	while (diagnosticDataObject != oldValue && diagnosticDataObject != null) {
	diagnosticDataObject = diagnosticDataObject.eContainer();
	}
	if (diagnosticDataObject == oldValue) {
	toDelete.add(diagnostic);
	}
	}
	for (final Diagnostic diagnostic : toDelete) {
	vControl.getDiagnostic().getDiagnostics().remove(diagnostic);
	}
	} else if (Notification.REMOVE_MANY == notification.getRawNotification().getEventType()) {
	final Collection<?> oldValue = (Collection<?>) notification.getRawNotification().getOldValue();
	final Set<Diagnostic> toDelete = new LinkedHashSet<Diagnostic>();
	for (final Object diagnosticObject : vControl.getDiagnostic().getDiagnostics()) {
	final Diagnostic diagnostic = (Diagnostic) diagnosticObject;
	EObject diagnosticDataObject = (EObject) diagnostic.getData().get(0);
	while (!oldValue.contains(diagnosticDataObject) && diagnosticDataObject != null) {
	diagnosticDataObject = diagnosticDataObject.eContainer();
	}

	if (oldValue.contains(diagnosticDataObject)) {
	toDelete.add(diagnostic);
	}
	}
	for (final Diagnostic diagnostic : toDelete) {
	vControl.getDiagnostic().getDiagnostics().remove(diagnostic);
	}
	}
	}
	} // VFeaturePathDomainModelReferenceImpl