/*******************************************************************************
* 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.internal.server.model.versioning.operations.impl;
import java.util.Collection;
import org.eclipse.emf.common.notify.Notification;
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.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EDataTypeEList;
import org.eclipse.emf.ecore.util.EDataTypeUniqueEList;
import org.eclipse.emf.emfstore.internal.common.model.IdEObjectCollection;
import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.AbstractOperation;
import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.MultiAttributeOperation;
import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.OperationsFactory;
import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.OperationsPackage;
import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.UnkownFeatureException;
import org.eclipse.emf.emfstore.internal.server.model.versioning.operations.UnsetType;
/**
* <!-- begin-user-doc --> An implementation of the model object ' <em><b>Multi Attribute Operation</b></em>'. <!--
* end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>
* {@link org.eclipse.emf.emfstore.internal.server.model.versioning.operations.impl.MultiAttributeOperationImpl#isAdd
* <em>Add</em>}</li>
* <li>
* {@link org.eclipse.emf.emfstore.internal.server.model.versioning.operations.impl.MultiAttributeOperationImpl#getIndexes
* <em>Indexes</em>}</li>
* <li>
* {@link org.eclipse.emf.emfstore.internal.server.model.versioning.operations.impl.MultiAttributeOperationImpl#getReferencedValues
* <em>Referenced Values</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class MultiAttributeOperationImpl extends FeatureOperationImpl implements MultiAttributeOperation {
/**
* 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 cached value of the '{@link #getIndexes() <em>Indexes</em>}' attribute list.
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @see #getIndexes()
* @generated
* @ordered
*/
protected EList<Integer> indexes;
/**
* The cached value of the '{@link #getReferencedValues() <em>Referenced Values</em>}' attribute list.
* <!-- begin-user-doc --> <!--
* end-user-doc -->
*
* @see #getReferencedValues()
* @generated
* @ordered
*/
protected EList<Object> referencedValues;
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
protected MultiAttributeOperationImpl() {
super();
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
protected EClass eStaticClass() {
return OperationsPackage.Literals.MULTI_ATTRIBUTE_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) {
final boolean oldAdd = add;
add = newAdd;
if (eNotificationRequired()) {
eNotify(new ENotificationImpl(this, Notification.SET, OperationsPackage.MULTI_ATTRIBUTE_OPERATION__ADD,
oldAdd, add));
}
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
public EList<Integer> getIndexes() {
if (indexes == null) {
indexes = new EDataTypeUniqueEList<Integer>(Integer.class, this,
OperationsPackage.MULTI_ATTRIBUTE_OPERATION__INDEXES);
}
return indexes;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
public EList<Object> getReferencedValues() {
if (referencedValues == null) {
referencedValues = new EDataTypeEList<Object>(Object.class, this,
OperationsPackage.MULTI_ATTRIBUTE_OPERATION__REFERENCED_VALUES);
}
return referencedValues;
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case OperationsPackage.MULTI_ATTRIBUTE_OPERATION__ADD:
return isAdd();
case OperationsPackage.MULTI_ATTRIBUTE_OPERATION__INDEXES:
return getIndexes();
case OperationsPackage.MULTI_ATTRIBUTE_OPERATION__REFERENCED_VALUES:
return getReferencedValues();
}
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_ATTRIBUTE_OPERATION__ADD:
setAdd((Boolean) newValue);
return;
case OperationsPackage.MULTI_ATTRIBUTE_OPERATION__INDEXES:
getIndexes().clear();
getIndexes().addAll((Collection<? extends Integer>) newValue);
return;
case OperationsPackage.MULTI_ATTRIBUTE_OPERATION__REFERENCED_VALUES:
getReferencedValues().clear();
getReferencedValues().addAll((Collection<? extends Object>) newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case OperationsPackage.MULTI_ATTRIBUTE_OPERATION__ADD:
setAdd(ADD_EDEFAULT);
return;
case OperationsPackage.MULTI_ATTRIBUTE_OPERATION__INDEXES:
getIndexes().clear();
return;
case OperationsPackage.MULTI_ATTRIBUTE_OPERATION__REFERENCED_VALUES:
getReferencedValues().clear();
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc --> <!-- end-user-doc -->
*
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case OperationsPackage.MULTI_ATTRIBUTE_OPERATION__ADD:
return add != ADD_EDEFAULT;
case OperationsPackage.MULTI_ATTRIBUTE_OPERATION__INDEXES:
return indexes != null && !indexes.isEmpty();
case OperationsPackage.MULTI_ATTRIBUTE_OPERATION__REFERENCED_VALUES:
return referencedValues != null && !referencedValues.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(" (add: "); //$NON-NLS-1$
result.append(add);
result.append(", indexes: "); //$NON-NLS-1$
result.append(indexes);
result.append(", referencedValues: "); //$NON-NLS-1$
result.append(referencedValues);
result.append(')');
return result.toString();
}
/**
*
* {@inheritDoc}
*
* @see org.eclipse.emf.emfstore.internal.server.model.versioning.operations.AbstractOperation#apply(org.eclipse.emf.emfstore.internal.common.model.IdEObjectCollection)
*/
@SuppressWarnings("unchecked")
public void apply(IdEObjectCollection project) {
final EObject modelElement = project.getModelElement(getModelElementId());
if (modelElement == null) {
return;
}
if (getReferencedValues().size() != getIndexes().size()) {
// fail silently, invalid operation
return;
}
try {
final EAttribute feature = (EAttribute) getFeature(modelElement);
final EList<Object> list = (EList<Object>) modelElement.eGet(feature);
switch (getUnset().getValue()) {
case UnsetType.IS_UNSET_VALUE:
modelElement.eUnset(feature);
break;
case UnsetType.NONE_VALUE:
case UnsetType.WAS_UNSET_VALUE:
if (isAdd()) {
for (int i = 0; i < getReferencedValues().size(); i++) {
final Object value = getReferencedValues().get(i);
final int index = getIndexes().get(i);
if (feature.isUnique() && list.contains(value)) {
// silently skip adding value since it is already contained, but should be unique
continue;
}
if (index > -1 && list.size() >= index) {
list.add(index, value);
} else {
list.add(value);
}
}
} else {
for (int i = getIndexes().size() - 1; i >= 0; i--) {
final int index = getIndexes().get(i);
if (index >= 0 && list.size() > index) {
list.remove(index);
}
}
if (getIndexes().size() == 0 && getUnset().getValue() == UnsetType.WAS_UNSET_VALUE) {
modelElement.eSet(feature, list);
}
}
break;
}
} catch (final UnkownFeatureException e) {
return;
}
}
/**
* {@inheritDoc}
*
* @see org.eclipse.emf.emfstore.internal.server.model.versioning.operations.impl.FeatureOperationImpl#reverse()
*/
@Override
public AbstractOperation reverse() {
final MultiAttributeOperation operation = OperationsFactory.eINSTANCE.createMultiAttributeOperation();
super.reverse(operation);
operation.setAdd(!isAdd());
operation.getReferencedValues().addAll(getReferencedValues());
operation.getIndexes().addAll(getIndexes());
setUnsetForReverseOperation(operation);
return operation;
}
} // MultiAttributeOperationImpl