/*******************************************************************************
* Copyright (c) 2008-2011 Chair for Applied Software Engineering,
* Technische Universitaet Muenchen.
* 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:
******************************************************************************/
package org.eclipse.emf.emfstore.server.model.versioning.operations.impl;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
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.common.util.EMap;
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.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.EcoreEMap;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.emf.emfstore.common.model.IdEObjectCollection;
import org.eclipse.emf.emfstore.common.model.ModelElementId;
import org.eclipse.emf.emfstore.common.model.Project;
import org.eclipse.emf.emfstore.common.model.util.ModelUtil;
import org.eclipse.emf.emfstore.server.model.versioning.operations.AbstractOperation;
import org.eclipse.emf.emfstore.server.model.versioning.operations.CreateDeleteOperation;
import org.eclipse.emf.emfstore.server.model.versioning.operations.OperationsFactory;
import org.eclipse.emf.emfstore.server.model.versioning.operations.OperationsPackage;
import org.eclipse.emf.emfstore.server.model.versioning.operations.ReferenceOperation;
import org.eclipse.emf.emfstore.server.model.versioning.operations.UnkownFeatureException;
/**
* <!-- begin-user-doc --> An implementation of the model object '
* <em><b>Create Delete Operation</b></em>'. <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.emf.emfstore.server.model.versioning.operations.impl.CreateDeleteOperationImpl#isDelete <em>Delete</em>}</li>
* <li>{@link org.eclipse.emf.emfstore.server.model.versioning.operations.impl.CreateDeleteOperationImpl#getModelElement <em>Model Element</em>}</li>
* <li>{@link org.eclipse.emf.emfstore.server.model.versioning.operations.impl.CreateDeleteOperationImpl#getSubOperations <em>Sub Operations</em>}</li>
* <li>{@link org.eclipse.emf.emfstore.server.model.versioning.operations.impl.CreateDeleteOperationImpl#getEObjectToIdMap <em>EObject To Id Map</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class CreateDeleteOperationImpl extends AbstractOperationImpl implements
CreateDeleteOperation {
public void apply(IdEObjectCollection project) {
if (isDelete()) {
if (!project.contains(getModelElementId())) {
// silently fail
return;
}
EObject localModelElement = project
.getModelElement(getModelElementId());
project.deleteModelElement(localModelElement);
} else {
if (project.contains(getModelElementId())) {
// silently fail
return;
}
// clone operation in order to retrieve the model element
CreateDeleteOperationImpl clone = ModelUtil.clone(this);
EObject element = getModelElement();
List<EObject> allContainedModelElements = ModelUtil
.getAllContainedModelElementsAsList(element, false);
allContainedModelElements.add(element);
EObject copiedElement = EcoreUtil.copy(element);
List<EObject> copiedAllContainedModelElements = ModelUtil
.getAllContainedModelElementsAsList(copiedElement, false);
copiedAllContainedModelElements.add(copiedElement);
clone.getEObjectToIdMap().clear();
for (int i = 0; i < allContainedModelElements.size(); i++) {
EObject child = allContainedModelElements.get(i);
EObject copiedChild = copiedAllContainedModelElements.get(i);
ModelElementId childId = ModelUtil.clone(getEObjectToIdMap()
.get(child));
if (ModelUtil.isIgnoredDatatype(child)) {
continue;
}
if (childId.equals(clone.getModelElementId())) {
clone.setModelElement(copiedChild);
}
clone.getEObjectToIdMap().put(copiedChild, childId);
}
project.addModelElement(clone.getModelElement(), clone
.getEObjectToIdMap().map());
for (ReferenceOperation operation : getSubOperations()) {
operation.apply(project);
}
}
}
@Override
public boolean canApply(Project project) {
// TODO: see comment in checkValidity
// checkValidity();
// if (isDelete()) {
// return project.contains(getModelElementId());
// } else {
// return !project.contains(getModelElementId());
// }
return true;
}
@Override
public AbstractOperation reverse() {
// TODO: see comment in checkValidity
// checkValidity();
CreateDeleteOperation createDeleteOperation = OperationsFactory.eINSTANCE
.createCreateDeleteOperation();
super.reverse(createDeleteOperation);
createDeleteOperation.setDelete(!this.isDelete());
EObject element = getModelElement();
List<EObject> allContainedModelElements = ModelUtil
.getAllContainedModelElementsAsList(element, false);
allContainedModelElements.add(element);
EObject copiedElement = EcoreUtil.copy(element);
createDeleteOperation.setModelElement(copiedElement);
createDeleteOperation.setModelElementId(ModelUtil.clone(this
.getModelElementId()));
List<EObject> copiedAllContainedModelElements = ModelUtil
.getAllContainedModelElementsAsList(copiedElement, false);
copiedAllContainedModelElements.add(copiedElement);
for (int i = 0; i < allContainedModelElements.size(); i++) {
EObject child = allContainedModelElements.get(i);
EObject copiedChild = copiedAllContainedModelElements.get(i);
ModelElementId childId = ModelUtil.clone(getEObjectToIdMap().get(
child));
((CreateDeleteOperationImpl) createDeleteOperation)
.getEObjectToIdMap().put(copiedChild, childId);
}
EList<ReferenceOperation> clonedSubOperations = createDeleteOperation
.getSubOperations();
for (ReferenceOperation operation : getSubOperations()) {
clonedSubOperations
.add(0, (ReferenceOperation) operation.reverse());
}
return createDeleteOperation;
}
/**
* The default value of the '{@link #isDelete() <em>Delete</em>}' attribute.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #isDelete()
* @generated
* @ordered
*/
protected static final boolean DELETE_EDEFAULT = false;
/**
* The cached value of the '{@link #isDelete() <em>Delete</em>}' attribute.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #isDelete()
* @generated
* @ordered
*/
protected boolean delete = DELETE_EDEFAULT;
/**
* The cached value of the '{@link #getModelElement() <em>Model Element</em>}' containment reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getModelElement()
* @generated
* @ordered
*/
protected EObject modelElement;
/**
* The cached value of the '{@link #getSubOperations() <em>Sub Operations</em>}' containment reference list.
* <!-- begin-user-doc
* --> <!-- end-user-doc -->
* @see #getSubOperations()
* @generated
* @ordered
*/
protected EList<ReferenceOperation> subOperations;
/**
* The cached value of the '{@link #getEObjectToIdMap() <em>EObject To Id Map</em>}' map.
* <!-- begin-user-doc --> <!--
* end-user-doc -->
* @see #getEObjectToIdMap()
* @generated
* @ordered
*/
protected EMap<EObject, ModelElementId> eObjectToIdMap;
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
protected CreateDeleteOperationImpl() {
super();
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return OperationsPackage.Literals.CREATE_DELETE_OPERATION;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public boolean isDelete() {
return delete;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public void setDelete(boolean newDelete) {
boolean oldDelete = delete;
delete = newDelete;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, OperationsPackage.CREATE_DELETE_OPERATION__DELETE, oldDelete, delete));
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public EObject getModelElement() {
if (modelElement != null && modelElement.eIsProxy()) {
InternalEObject oldModelElement = (InternalEObject)modelElement;
modelElement = eResolveProxy(oldModelElement);
if (modelElement != oldModelElement) {
InternalEObject newModelElement = (InternalEObject)modelElement;
NotificationChain msgs = oldModelElement.eInverseRemove(this, EOPPOSITE_FEATURE_BASE - OperationsPackage.CREATE_DELETE_OPERATION__MODEL_ELEMENT, null, null);
if (newModelElement.eInternalContainer() == null) {
msgs = newModelElement.eInverseAdd(this, EOPPOSITE_FEATURE_BASE - OperationsPackage.CREATE_DELETE_OPERATION__MODEL_ELEMENT, null, msgs);
}
if (msgs != null) msgs.dispatch();
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.RESOLVE, OperationsPackage.CREATE_DELETE_OPERATION__MODEL_ELEMENT, oldModelElement, modelElement));
}
}
return modelElement;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public EObject basicGetModelElement() {
return modelElement;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetModelElement(EObject newModelElement,
NotificationChain msgs) {
EObject oldModelElement = modelElement;
modelElement = newModelElement;
if (eNotificationRequired()) {
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, OperationsPackage.CREATE_DELETE_OPERATION__MODEL_ELEMENT, oldModelElement, newModelElement);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public void setModelElement(EObject newModelElement) {
if (newModelElement != modelElement) {
NotificationChain msgs = null;
if (modelElement != null)
msgs = ((InternalEObject)modelElement).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - OperationsPackage.CREATE_DELETE_OPERATION__MODEL_ELEMENT, null, msgs);
if (newModelElement != null)
msgs = ((InternalEObject)newModelElement).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - OperationsPackage.CREATE_DELETE_OPERATION__MODEL_ELEMENT, null, msgs);
msgs = basicSetModelElement(newModelElement, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, OperationsPackage.CREATE_DELETE_OPERATION__MODEL_ELEMENT, newModelElement, newModelElement));
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public EList<ReferenceOperation> getSubOperations() {
if (subOperations == null) {
subOperations = new EObjectContainmentEList.Resolving<ReferenceOperation>(ReferenceOperation.class, this, OperationsPackage.CREATE_DELETE_OPERATION__SUB_OPERATIONS);
}
return subOperations;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public EMap<EObject, ModelElementId> getEObjectToIdMap() {
if (eObjectToIdMap == null) {
eObjectToIdMap = new EcoreEMap<EObject,ModelElementId>(OperationsPackage.Literals.EOBJECT_TO_MODEL_ELEMENT_ID_MAP, EObjectToModelElementIdMapImpl.class, this, OperationsPackage.CREATE_DELETE_OPERATION__EOBJECT_TO_ID_MAP);
}
return eObjectToIdMap;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd,
int featureID, NotificationChain msgs) {
switch (featureID) {
case OperationsPackage.CREATE_DELETE_OPERATION__MODEL_ELEMENT:
return basicSetModelElement(null, msgs);
case OperationsPackage.CREATE_DELETE_OPERATION__SUB_OPERATIONS:
return ((InternalEList<?>)getSubOperations()).basicRemove(otherEnd, msgs);
case OperationsPackage.CREATE_DELETE_OPERATION__EOBJECT_TO_ID_MAP:
return ((InternalEList<?>)getEObjectToIdMap()).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 OperationsPackage.CREATE_DELETE_OPERATION__DELETE:
return isDelete();
case OperationsPackage.CREATE_DELETE_OPERATION__MODEL_ELEMENT:
if (resolve) return getModelElement();
return basicGetModelElement();
case OperationsPackage.CREATE_DELETE_OPERATION__SUB_OPERATIONS:
return getSubOperations();
case OperationsPackage.CREATE_DELETE_OPERATION__EOBJECT_TO_ID_MAP:
if (coreType) return getEObjectToIdMap();
else return getEObjectToIdMap().map();
}
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 OperationsPackage.CREATE_DELETE_OPERATION__DELETE:
setDelete((Boolean)newValue);
return;
case OperationsPackage.CREATE_DELETE_OPERATION__MODEL_ELEMENT:
setModelElement((EObject)newValue);
return;
case OperationsPackage.CREATE_DELETE_OPERATION__SUB_OPERATIONS:
getSubOperations().clear();
getSubOperations().addAll((Collection<? extends ReferenceOperation>)newValue);
return;
case OperationsPackage.CREATE_DELETE_OPERATION__EOBJECT_TO_ID_MAP:
((EStructuralFeature.Setting)getEObjectToIdMap()).set(newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case OperationsPackage.CREATE_DELETE_OPERATION__DELETE:
setDelete(DELETE_EDEFAULT);
return;
case OperationsPackage.CREATE_DELETE_OPERATION__MODEL_ELEMENT:
setModelElement((EObject)null);
return;
case OperationsPackage.CREATE_DELETE_OPERATION__SUB_OPERATIONS:
getSubOperations().clear();
return;
case OperationsPackage.CREATE_DELETE_OPERATION__EOBJECT_TO_ID_MAP:
getEObjectToIdMap().clear();
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case OperationsPackage.CREATE_DELETE_OPERATION__DELETE:
return delete != DELETE_EDEFAULT;
case OperationsPackage.CREATE_DELETE_OPERATION__MODEL_ELEMENT:
return modelElement != null;
case OperationsPackage.CREATE_DELETE_OPERATION__SUB_OPERATIONS:
return subOperations != null && !subOperations.isEmpty();
case OperationsPackage.CREATE_DELETE_OPERATION__EOBJECT_TO_ID_MAP:
return eObjectToIdMap != null && !eObjectToIdMap.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(" (delete: ");
result.append(delete);
result.append(')');
return result.toString();
}
@Override
public String getDescription() {
StringBuilder stringBuilder = new StringBuilder();
if (isDelete()) {
stringBuilder.append("Deleted ");
} else {
stringBuilder.append("Created ");
}
stringBuilder.append(getModelElement().eClass().getName());
stringBuilder.append(" ");
stringBuilder.append(getModelElementId().getId());
// stringBuilder.append(".");
return stringBuilder.toString();
}
@Override
public String getName() {
StringBuilder stringBuilder = new StringBuilder();
if (isDelete()) {
stringBuilder.append("Deleted ");
stringBuilder.append(getModelElement().eClass().getName());
stringBuilder.append(" \"");
stringBuilder.append(getModelElementId().getId());
stringBuilder.append("\"");
} else {
stringBuilder.append("Created ");
stringBuilder.append(getModelElement().eClass().getName());
}
return stringBuilder.toString();
}
/**
* @see org.eclipse.emf.emfstore.server.model.versioning.operations.impl.AbstractOperationImpl#getOtherInvolvedModelElements()
*/
@Override
public Set<ModelElementId> getOtherInvolvedModelElements() {
Set<ModelElementId> result = new HashSet<ModelElementId>();
for (ReferenceOperation operation : getSubOperations()) {
result.addAll(operation.getAllInvolvedModelElements());
}
return result;
}
// public Set<ModelElementId> getAllDeletedModelElements() {
// Set<ModelElementId> result = new HashSet<ModelElementId>();
// for (EObject modelElement :
// ModelUtil.getAllContainedModelElements(getModelElement(), false)) {
//
// Project p = ModelUtil.getProject(modelElement);
// if (p != null) {
// result.add(p.getModelElementId(modelElement));
// }
//
// }
// for (ModelElementId id : getEobjectsIdMap().values()) {
// result.add(id);
// }
// return result;
// }
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.emfstore.server.model.versioning.operations.AbstractOperation#getLeafOperations()
*/
public List<AbstractOperation> getLeafOperations() {
List<AbstractOperation> result = new ArrayList<AbstractOperation>(
getSubOperations().size() + 1);
CreateDeleteOperation createDeleteClone = ModelUtil.clone(this);
createDeleteClone.getSubOperations().clear();
result.add(createDeleteClone);
result.addAll(getSubOperations());
return result;
}
/**
* {@inheritDoc}
*
* @generated NOT
* @see org.eclipse.emf.emfstore.server.model.versioning.operations.CreateDeleteOperation#getParentElement(org.eclipse.emf.emfstore.common.model.Project)
*/
public ModelElementId getParentofDeletedElement(Project project) {
EList<ReferenceOperation> referenceOperations = getSubOperations();
if (referenceOperations.size() == 0) {
return null;
}
ReferenceOperation lastReferenceOperation = referenceOperations
.get(referenceOperations.size() - 1);
try {
EStructuralFeature feature = lastReferenceOperation
.getFeature(project);
if (!(feature instanceof EReference)) {
return null;
}
EReference reference = (EReference) feature;
// reference is from parent side, so parent is the element that is
// changed by the last ref op
if (reference.isContainment()) {
if (lastReferenceOperation.getOtherInvolvedModelElements()
.contains(getModelElementId())) {
return lastReferenceOperation.getModelElementId();
}
return null;
// reference is from child side, so parent is the only element
// in other involved of the ref op
} else if (reference.isContainer()) {
if (lastReferenceOperation.getModelElementId().equals(
getModelElementId())) {
Set<ModelElementId> otherInvolvedModelElements = lastReferenceOperation
.getOtherInvolvedModelElements();
if (otherInvolvedModelElements.size() > 0) {
return otherInvolvedModelElements.iterator().next();
}
}
}
return null;
} catch (UnkownFeatureException e) {
// parent does not exist any more or feature does not exist
return null;
}
}
} // CreateDeleteOperationImpl