| /* |
| * Copyright (c) 2008-2013 Eike Stepper (Berlin, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| * Simon McDuff - bug 201266 |
| * Simon McDuff - bug 212958 |
| * Simon McDuff - bug 213402 |
| * Caspar De Groot - bug 341081 |
| */ |
| package org.eclipse.emf.cdo.internal.common.revision; |
| |
| import org.eclipse.emf.cdo.common.model.CDOModelUtil; |
| import org.eclipse.emf.cdo.common.model.CDOType; |
| import org.eclipse.emf.cdo.spi.common.revision.BaseCDORevision; |
| import org.eclipse.emf.cdo.spi.common.revision.InternalCDOList; |
| import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevision; |
| |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EClassifier; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public class CDORevisionImpl extends BaseCDORevision |
| { |
| private Object[] values; |
| |
| /** |
| * Indicates if the revision is being copied from another revision. In that case isWritable() will allways return true. |
| */ |
| private boolean isCopying; |
| |
| public CDORevisionImpl(EClass eClass) |
| { |
| super(eClass); |
| } |
| |
| protected CDORevisionImpl(CDORevisionImpl source) |
| { |
| super(source); |
| EStructuralFeature[] features = clearValues(); |
| |
| int length = features.length; |
| isCopying = true; |
| try |
| { |
| for (int i = 0; i < length; i++) |
| { |
| EStructuralFeature feature = features[i]; |
| if (feature.isMany()) |
| { |
| InternalCDOList sourceList = (InternalCDOList)source.values[i]; |
| if (sourceList != null) |
| { |
| EClassifier classifier = feature.getEType(); |
| setValue(i, sourceList.clone(classifier)); |
| } |
| } |
| else |
| { |
| CDOType type = CDOModelUtil.getType(feature); |
| setValue(i, type.copyValue(source.values[i])); |
| } |
| } |
| } |
| finally |
| { |
| isCopying = false; |
| } |
| } |
| |
| public InternalCDORevision copy() |
| { |
| return new CDORevisionImpl(this); |
| } |
| |
| @Override |
| protected void initValues(EStructuralFeature[] allPersistentFeatures) |
| { |
| values = new Object[allPersistentFeatures.length]; |
| } |
| |
| @Override |
| protected Object doGetValue(int featureIndex) |
| { |
| return values[featureIndex]; |
| } |
| |
| @Override |
| protected void doSetValue(int featureIndex, Object value) |
| { |
| values[featureIndex] = value; |
| } |
| |
| /** |
| * |
| * {@inheritDoc} |
| * |
| * @see org.eclipse.emf.cdo.spi.common.revision.AbstractCDORevision#isWritable() |
| */ |
| @Override |
| public boolean isWritable() |
| { |
| // If we are copying another revision ( |
| if (isCopying) |
| { |
| return true; |
| } |
| return super.isWritable(); |
| } |
| |
| } |