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/*
* Copyright (c) 2009-2012, 2016 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
*/
package org.eclipse.emf.cdo.server.internal.net4j.protocol;
import org.eclipse.emf.cdo.common.branch.CDOBranchVersion;
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.protocol.CDOProtocolConstants;
import org.eclipse.emf.cdo.server.internal.net4j.bundle.OM;
import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevision;
import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevisionManager;
import org.eclipse.emf.cdo.spi.common.revision.RevisionInfo;
import org.eclipse.net4j.util.om.trace.ContextTracer;
import java.io.IOException;
/**
* @author Eike Stepper
*/
public class LoadRevisionByVersionIndication extends CDOServerReadIndication
{
private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG_PROTOCOL, LoadRevisionByVersionIndication.class);
private CDOID id;
private CDOBranchVersion branchVersion;
private int referenceChunk;
public LoadRevisionByVersionIndication(CDOServerProtocol protocol)
{
super(protocol, CDOProtocolConstants.SIGNAL_LOAD_REVISION_BY_VERSION);
}
@Override
protected void indicating(CDODataInput in) throws IOException
{
id = in.readCDOID();
if (TRACER.isEnabled())
{
TRACER.format("Read id: {0}", id); //$NON-NLS-1$
}
branchVersion = in.readCDOBranchVersion();
if (TRACER.isEnabled())
{
TRACER.format("Read branchVersion: {0}", branchVersion); //$NON-NLS-1$
}
referenceChunk = in.readXInt();
if (TRACER.isEnabled())
{
TRACER.format("Read referenceChunk: {0}", referenceChunk); //$NON-NLS-1$
}
}
@Override
protected void responding(CDODataOutput out) throws IOException
{
InternalCDORevisionManager revisionManager = getRepository().getRevisionManager();
InternalCDORevision revision = revisionManager.getRevisionByVersion(id, branchVersion, referenceChunk, true);
RevisionInfo.writeResult(out, revision, referenceChunk, null); // Exposes revision to client side
}
}
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