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/**
* Copyright (c) 2004 - 2011 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 void apply(CDORevision revision)
{
((InternalCDORevision)revision).set(getFeature(), getIndex(), getValue());
}
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); //$NON-NLS-1$
}
}
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