| /* |
| * Copyright (c) 2008-2012, 2014 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: |
| * Simon McDuff - initial API and implementation |
| * Eike Stepper - maintenance |
| */ |
| package org.eclipse.emf.cdo.internal.common.revision.delta; |
| |
| import org.eclipse.emf.cdo.common.protocol.CDODataInput; |
| import org.eclipse.emf.cdo.common.revision.CDORevision; |
| import org.eclipse.emf.cdo.common.revision.delta.CDOFeatureDelta; |
| import org.eclipse.emf.cdo.common.revision.delta.CDOFeatureDeltaVisitor; |
| import org.eclipse.emf.cdo.common.revision.delta.CDOSetFeatureDelta; |
| import org.eclipse.emf.cdo.spi.common.revision.InternalCDOFeatureDelta.ListTargetAdding; |
| import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevision; |
| |
| import org.eclipse.emf.ecore.EClass; |
| import org.eclipse.emf.ecore.EStructuralFeature; |
| |
| import java.io.IOException; |
| import java.text.MessageFormat; |
| |
| /** |
| * @author Simon McDuff |
| */ |
| public class CDOSetFeatureDeltaImpl extends CDOSingleValueFeatureDeltaImpl |
| implements CDOSetFeatureDelta, ListTargetAdding |
| { |
| private Object oldValue = CDOSetFeatureDelta.UNSPECIFIED; |
| |
| public CDOSetFeatureDeltaImpl(EStructuralFeature feature, int index, Object value) |
| { |
| super(feature, index, value); |
| } |
| |
| public CDOSetFeatureDeltaImpl(EStructuralFeature feature, int index, Object value, Object oldValue) |
| { |
| super(feature, index, value); |
| this.oldValue = oldValue; |
| } |
| |
| public CDOSetFeatureDeltaImpl(CDODataInput in, EClass eClass) throws IOException |
| { |
| super(in, eClass); |
| } |
| |
| public Type getType() |
| { |
| return Type.SET; |
| } |
| |
| public CDOFeatureDelta copy() |
| { |
| return new CDOSetFeatureDeltaImpl(getFeature(), getIndex(), getValue(), getOldValue()); |
| } |
| |
| public Object applyTo(CDORevision revision) |
| { |
| EStructuralFeature feature = getFeature(); |
| int index = getIndex(); |
| Object value = getValue(); |
| |
| InternalCDORevision internalRevision = (InternalCDORevision)revision; |
| return internalRevision.set(feature, index, value); |
| } |
| |
| public void accept(CDOFeatureDeltaVisitor visitor) |
| { |
| visitor.visit(this); |
| } |
| |
| public Object getOldValue() |
| { |
| return oldValue; |
| } |
| |
| public void setOldValue(Object oldValue) |
| { |
| this.oldValue = oldValue; |
| } |
| |
| @Override |
| protected String toStringAdditional() |
| { |
| String oldValueForMessage; |
| if (oldValue != CDOSetFeatureDelta.UNSPECIFIED) |
| { |
| oldValueForMessage = oldValue == null ? "null" : oldValue.toString(); |
| } |
| else |
| { |
| oldValueForMessage = "UNSPECIFIED"; //$NON-NLS-1$ |
| } |
| |
| return super.toStringAdditional() + MessageFormat.format(", oldValue={0}", oldValueForMessage); //$NON-NLS-1$ |
| } |
| } |