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/***************************************************************************
* Copyright (c) 2004 - 2008 Eike Stepper, Germany.
* 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
**************************************************************************/
package org.eclipse.emf.internal.cdo;
import org.eclipse.emf.cdo.CDOAudit;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.revision.CDORevisionResolver;
import org.eclipse.emf.cdo.spi.common.InternalCDORevision;
import org.eclipse.emf.internal.cdo.protocol.SetAuditRequest;
import org.eclipse.net4j.signal.failover.IFailOverStrategy;
import org.eclipse.net4j.util.WrappedException;
import java.text.MessageFormat;
import java.util.List;
/**
* @author Eike Stepper
*/
public class CDOAuditImpl extends CDOViewImpl implements CDOAudit
{
private long timeStamp;
public CDOAuditImpl(int id, CDOSessionImpl session, long timeStamp)
{
super(session, id);
this.timeStamp = timeStamp;
}
@Override
public Type getViewType()
{
return Type.AUDIT;
}
public long getTimeStamp()
{
return timeStamp;
}
/**
* @since 2.0
*/
public void setTimeStamp(long timeStamp)
{
checkOpen();
if (this.timeStamp != timeStamp)
{
List<InternalCDOObject> invalidObjects = getInvalidObjects(timeStamp);
boolean[] existanceFlags = sendSetAuditRequest(timeStamp, invalidObjects);
this.timeStamp = timeStamp;
int i = 0;
for (InternalCDOObject invalidObject : invalidObjects)
{
boolean existanceFlag = existanceFlags[i++];
if (existanceFlag)
{
// --> PROXY
CDOStateMachine.INSTANCE.invalidate(invalidObject, UNSPECIFIED_DATE);
}
else
{
// --> DETACHED
CDOStateMachine.INSTANCE.detachRemote(invalidObject);
}
}
}
}
private boolean[] sendSetAuditRequest(long timeStamp, List<InternalCDOObject> invalidObjects)
{
try
{
CDOSessionImpl session = getSession();
IFailOverStrategy failOverStrategy = session.getFailOverStrategy();
SetAuditRequest request = new SetAuditRequest(session.getChannel(), getViewID(), timeStamp, invalidObjects);
return failOverStrategy.send(request);
}
catch (Exception ex)
{
throw WrappedException.wrap(ex);
}
}
@Override
public InternalCDORevision getRevision(CDOID id, boolean loadOnDemand)
{
checkOpen();
CDOSessionImpl session = getSession();
int initialChunkSize = session.getCollectionLoadingPolicy().getInitialChunkSize();
CDORevisionResolver revisionManager = session.getRevisionManager();
return (InternalCDORevision)revisionManager.getRevisionByTime(id, initialChunkSize, timeStamp, loadOnDemand);
}
@Override
public String toString()
{
return MessageFormat.format("CDOAudit({0})", getViewID());
}
private void checkOpen()
{
if (isClosed())
{
throw new IllegalStateException("View closed");
}
}
}
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