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/*
* 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
* Simon McDuff - bug 204890
* Simon McDuff - bug 213402
*/
package org.eclipse.emf.cdo.internal.common.revision.delta;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.protocol.CDODataInput;
import org.eclipse.emf.cdo.common.protocol.CDODataOutput;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.emf.cdo.common.revision.delta.CDOContainerFeatureDelta;
import org.eclipse.emf.cdo.common.revision.delta.CDOFeatureDelta;
import org.eclipse.emf.cdo.common.revision.delta.CDOFeatureDeltaVisitor;
import org.eclipse.emf.cdo.spi.common.revision.CDOReferenceAdjuster;
import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevision;
import org.eclipse.net4j.util.ObjectUtil;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.impl.EReferenceImpl;
import java.io.IOException;
import java.text.MessageFormat;
/**
* @author Simon McDuff
*/
public class CDOContainerFeatureDeltaImpl extends CDOFeatureDeltaImpl implements CDOContainerFeatureDelta
{
private CDOID newResourceID;
private Object newContainerID;
private int newContainerFeatureID;
public CDOContainerFeatureDeltaImpl(CDOID newResourceID, Object newContainerID, int newContainerFeatureID)
{
super(CONTAINER_FEATURE);
this.newResourceID = newResourceID;
this.newContainerID = newContainerID;
this.newContainerFeatureID = newContainerFeatureID;
}
public CDOContainerFeatureDeltaImpl(CDODataInput in, EClass eClass) throws IOException
{
super(CONTAINER_FEATURE);
newContainerFeatureID = in.readInt();
newContainerID = in.readCDOID();
newResourceID = in.readCDOID();
}
public Type getType()
{
return Type.CONTAINER;
}
public CDOFeatureDelta copy()
{
return new CDOContainerFeatureDeltaImpl(newResourceID, newContainerID, newContainerFeatureID);
}
public CDOID getResourceID()
{
return newResourceID;
}
public Object getContainerID()
{
return newContainerID;
}
public int getContainerFeatureID()
{
return newContainerFeatureID;
}
public Object applyTo(CDORevision revision)
{
InternalCDORevision internalRevision = (InternalCDORevision)revision;
internalRevision.setResourceID(newResourceID);
internalRevision.setContainerID(newContainerID);
internalRevision.setContainingFeatureID(newContainerFeatureID);
return null;
}
@Override
public boolean adjustReferences(CDOReferenceAdjuster referenceAdjuster)
{
boolean changed = false;
CDOID id1 = (CDOID)referenceAdjuster.adjustReference(newResourceID, CONTAINER_FEATURE, NO_INDEX);
if (id1 != newResourceID)
{
newResourceID = id1;
changed = true;
}
Object id2 = referenceAdjuster.adjustReference(newContainerID, CONTAINER_FEATURE, NO_INDEX);
if (id2 != newContainerID)
{
newContainerID = id2;
changed = true;
}
return changed;
}
@Override
public void write(CDODataOutput out, EClass eClass) throws IOException
{
out.writeInt(getType().ordinal());
out.writeInt(newContainerFeatureID);
out.writeCDOID(out.getIDProvider().provideCDOID(newContainerID));
out.writeCDOID(newResourceID);
}
public void accept(CDOFeatureDeltaVisitor visitor)
{
visitor.visit(this);
}
@Override
public boolean isStructurallyEqual(Object obj)
{
if (!super.isStructurallyEqual(obj))
{
return false;
}
CDOContainerFeatureDelta that = (CDOContainerFeatureDelta)obj;
return ObjectUtil.equals(newResourceID, that.getResourceID()) && ObjectUtil.equals(newContainerID, that.getContainerID())
&& newContainerFeatureID == that.getContainerFeatureID();
}
@Override
protected String toStringAdditional()
{
return MessageFormat.format("resource={0}, container={1}, feature={2}", newResourceID, newContainerID, newContainerFeatureID);
}
/**
* @author Simon McDuff
*/
public static final class ContainerFeature extends EReferenceImpl
{
public static final String NAME = "eContainer";
public ContainerFeature()
{
}
@Override
public String getName()
{
return null;
}
@Override
public String toString()
{
return NAME;
}
}
}
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