/*******************************************************************************
* 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.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EReference;
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;
import org.eclipse.emf.emfstore.common.model.IdEObjectCollection;
import org.eclipse.emf.emfstore.common.model.ModelElementId;
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.MultiReferenceOperation;
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.UnkownFeatureException;
/**
* <!-- begin-user-doc --> An implementation of the model object '
* <em><b>Multi Reference Operation</b></em>'. <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.emf.emfstore.server.model.versioning.operations.impl.MultiReferenceOperationImpl#isAdd <em>Add</em>}</li>
* <li>{@link org.eclipse.emf.emfstore.server.model.versioning.operations.impl.MultiReferenceOperationImpl#getIndex <em>Index</em>}</li>
* <li>{@link org.eclipse.emf.emfstore.server.model.versioning.operations.impl.MultiReferenceOperationImpl#getReferencedModelElements <em>Referenced Model Elements</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class MultiReferenceOperationImpl extends ReferenceOperationImpl
implements MultiReferenceOperation {
/**
* The default value of the '{@link #isAdd() <em>Add</em>}' attribute. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @see #isAdd()
* @generated
* @ordered
*/
protected static final boolean ADD_EDEFAULT = false;
/**
* The cached value of the '{@link #isAdd() <em>Add</em>}' attribute. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @see #isAdd()
* @generated
* @ordered
*/
protected boolean add = ADD_EDEFAULT;
/**
* The default value of the '{@link #getIndex() <em>Index</em>}' attribute.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #getIndex()
* @generated
* @ordered
*/
protected static final int INDEX_EDEFAULT = 0;
/**
* The cached value of the '{@link #getIndex() <em>Index</em>}' attribute.
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @see #getIndex()
* @generated
* @ordered
*/
protected int index = INDEX_EDEFAULT;
/**
* The cached value of the '{@link #getReferencedModelElements()
* <em>Referenced Model Elements</em>}' containment reference list. <!--
* begin-user-doc --> <!-- end-user-doc -->
*
* @see #getReferencedModelElements()
* @generated
* @ordered
*/
protected EList<ModelElementId> referencedModelElements;
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
protected MultiReferenceOperationImpl() {
super();
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return OperationsPackage.Literals.MULTI_REFERENCE_OPERATION;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public boolean isAdd() {
return add;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public void setAdd(boolean newAdd) {
boolean oldAdd = add;
add = newAdd;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, OperationsPackage.MULTI_REFERENCE_OPERATION__ADD, oldAdd, add));
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public int getIndex() {
return index;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public void setIndex(int newIndex) {
int oldIndex = index;
index = newIndex;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, OperationsPackage.MULTI_REFERENCE_OPERATION__INDEX, oldIndex, index));
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
public EList<ModelElementId> getReferencedModelElements() {
if (referencedModelElements == null) {
referencedModelElements = new EObjectContainmentEList.Resolving<ModelElementId>(ModelElementId.class, this, OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS);
}
return referencedModelElements;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd,
int featureID, NotificationChain msgs) {
switch (featureID) {
case OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS:
return ((InternalEList<?>)getReferencedModelElements()).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.MULTI_REFERENCE_OPERATION__ADD:
return isAdd();
case OperationsPackage.MULTI_REFERENCE_OPERATION__INDEX:
return getIndex();
case OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS:
return getReferencedModelElements();
}
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.MULTI_REFERENCE_OPERATION__ADD:
setAdd((Boolean)newValue);
return;
case OperationsPackage.MULTI_REFERENCE_OPERATION__INDEX:
setIndex((Integer)newValue);
return;
case OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS:
getReferencedModelElements().clear();
getReferencedModelElements().addAll((Collection<? extends ModelElementId>)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case OperationsPackage.MULTI_REFERENCE_OPERATION__ADD:
setAdd(ADD_EDEFAULT);
return;
case OperationsPackage.MULTI_REFERENCE_OPERATION__INDEX:
setIndex(INDEX_EDEFAULT);
return;
case OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS:
getReferencedModelElements().clear();
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case OperationsPackage.MULTI_REFERENCE_OPERATION__ADD:
return add != ADD_EDEFAULT;
case OperationsPackage.MULTI_REFERENCE_OPERATION__INDEX:
return index != INDEX_EDEFAULT;
case OperationsPackage.MULTI_REFERENCE_OPERATION__REFERENCED_MODEL_ELEMENTS:
return referencedModelElements != null && !referencedModelElements.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(" (add: ");
result.append(add);
result.append(", index: ");
result.append(index);
result.append(')');
return result.toString();
}
public void apply(IdEObjectCollection project) {
EObject modelElement = project.getModelElement(getModelElementId());
if (modelElement == null) {
// fail silently
return;
}
EList<ModelElementId> referencedModelElementIds = getReferencedModelElements();
List<EObject> referencedModelElements = new ArrayList<EObject>();
for (ModelElementId refrencedModelElementId : referencedModelElementIds) {
EObject referencedME = project
.getModelElement(refrencedModelElementId);
if (referencedME != null) {
referencedModelElements.add(referencedME);
}
}
EReference reference;
try {
reference = (EReference) this.getFeature(modelElement);
} catch (UnkownFeatureException e) {
// fail silently
return;
}
Object object = modelElement.eGet(reference);
@SuppressWarnings("unchecked")
EList<EObject> list = (EList<EObject>) object;
if (isAdd()) {
if (index < list.size() && index > -1) {
int i = index;
for (EObject m : referencedModelElements) {
if (i < list.size()) {
if (list.contains(m)) {
list.move(i, m);
} else {
list.add(i, m);
}
} else {
// if index grows out of bounds, just append
list.add(m);
}
i++;
}
// list.addAll(getIndex(), referencedModelElements);
} else {
// if index is out of range ignore index
list.addAll(referencedModelElements);
}
} else {
for (EObject me : referencedModelElements) {
if (list.contains(me)) {
list.remove(me);
}
}
for (EObject currentElement : referencedModelElements) {
if (reference.isContainment()) {
project.addModelElement(currentElement);
}
}
}
}
@Override
public String getDescription() {
StringBuilder stringBuilder = new StringBuilder();
if (isAdd()) {
stringBuilder.append("Added ");
stringBuilder.append(getMiddleDescription());
stringBuilder.append(" to ");
} else {
stringBuilder.append("Removed ");
stringBuilder.append(getMiddleDescription());
stringBuilder.append(" from ");
}
stringBuilder.append(featureName);
// stringBuilder.append(".");
return stringBuilder.toString();
}
private String getMiddleDescription() {
String featureName = getFeatureName();
StringBuilder stringBuilder = new StringBuilder();
if (getReferencedModelElements().size() > 1) {
stringBuilder.append(getReferencedModelElements().size());
stringBuilder.append(" ");
stringBuilder.append(featureName);
} else {
String singular = featureName
.substring(0, featureName.length() - 1);
stringBuilder.append(singular);
}
return stringBuilder.toString();
}
@Override
public String getName() {
StringBuilder stringBuilder = new StringBuilder();
stringBuilder.append("Changed ");
stringBuilder.append(getFeatureName());
return stringBuilder.toString();
}
@Override
public AbstractOperation reverse() {
MultiReferenceOperation multiReferenceOperation = OperationsFactory.eINSTANCE
.createMultiReferenceOperation();
super.reverse(multiReferenceOperation);
multiReferenceOperation.setAdd(!isAdd());
EList<ModelElementId> copiedReferencedModelElements = multiReferenceOperation
.getReferencedModelElements();
EList<ModelElementId> modelElements = getReferencedModelElements();
for (ModelElementId modelElementId : modelElements) {
copiedReferencedModelElements.add(ModelUtil.clone(modelElementId));
}
multiReferenceOperation.setIndex(getIndex());
return multiReferenceOperation;
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.emfstore.server.model.versioning.operations.AbstractOperation#getOtherInvolvedModelElements()
*/
@Override
public Set<ModelElementId> getOtherInvolvedModelElements() {
Set<ModelElementId> set = new HashSet<ModelElementId>();
set.addAll(getReferencedModelElements());
return set;
}
} // MultiReferenceOperationImpl