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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
* Simon McDuff - https://bugs.eclipse.org/bugs/show_bug.cgi?id=201266
**************************************************************************/
package org.eclipse.emf.cdo.internal.server.protocol;
import org.eclipse.emf.cdo.internal.protocol.revision.delta.CDORevisionDeltaImpl;
import org.eclipse.emf.cdo.internal.server.Transaction;
import org.eclipse.emf.cdo.internal.server.Transaction.TransactionPackageManager;
import org.eclipse.emf.cdo.internal.server.bundle.OM;
import org.eclipse.emf.cdo.protocol.CDOProtocolConstants;
import org.eclipse.emf.cdo.protocol.id.CDOID;
import org.eclipse.emf.cdo.protocol.id.CDOIDMetaRange;
import org.eclipse.emf.cdo.protocol.id.CDOIDTemp;
import org.eclipse.emf.cdo.protocol.id.CDOIDUtil;
import org.eclipse.emf.cdo.protocol.model.CDOModelUtil;
import org.eclipse.emf.cdo.protocol.model.CDOPackage;
import org.eclipse.emf.cdo.protocol.revision.CDORevision;
import org.eclipse.emf.cdo.protocol.revision.CDORevisionResolver;
import org.eclipse.emf.cdo.protocol.revision.CDORevisionUtil;
import org.eclipse.emf.cdo.protocol.revision.delta.CDORevisionDelta;
import org.eclipse.emf.cdo.server.IRepository;
import org.eclipse.emf.cdo.server.IView;
import org.eclipse.net4j.internal.util.om.trace.ContextTracer;
import org.eclipse.net4j.util.io.ExtendedDataInputStream;
import org.eclipse.net4j.util.io.ExtendedDataOutputStream;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
/**
* @author Eike Stepper
*/
public class CommitTransactionIndication extends CDOServerIndication
{
private static final ContextTracer PROTOCOL = new ContextTracer(OM.DEBUG_PROTOCOL, CommitTransactionIndication.class);
private Transaction transaction;
public CommitTransactionIndication()
{
}
@Override
protected short getSignalID()
{
return CDOProtocolConstants.SIGNAL_COMMIT_TRANSACTION;
}
@Override
protected void indicating(ExtendedDataInputStream in) throws IOException
{
IRepository repository = getRepository();
CDORevisionResolver revisionResolver = repository.getRevisionManager();
int viewID = in.readInt();
transaction = getTransaction(viewID);
TransactionPackageManager packageManager = transaction.getPackageManager();
CDOPackage[] newPackages = new CDOPackage[in.readInt()];
CDORevision[] newObjects = new CDORevision[in.readInt()];
CDORevisionDelta[] dirtyObjectDeltas = new CDORevisionDelta[in.readInt()];
// New packages
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Reading {0} new packages", newPackages.length);
}
for (int i = 0; i < newPackages.length; i++)
{
newPackages[i] = CDOModelUtil.readPackage(packageManager, in);
packageManager.addPackage(newPackages[i]);
}
// New objects
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Reading {0} new objects", newObjects.length);
}
for (int i = 0; i < newObjects.length; i++)
{
newObjects[i] = CDORevisionUtil.read(in, revisionResolver, packageManager);
}
// Dirty objects
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Reading {0} dirty object deltas", dirtyObjectDeltas.length);
}
for (int i = 0; i < dirtyObjectDeltas.length; i++)
{
dirtyObjectDeltas[i] = new CDORevisionDeltaImpl(in, packageManager);
}
transaction.commit(newPackages, newObjects, dirtyObjectDeltas);
}
@Override
protected void responding(ExtendedDataOutputStream out) throws IOException
{
String rollbackMessage = transaction.getRollbackMessage();
boolean success = rollbackMessage == null;
out.writeBoolean(success);
if (success)
{
out.writeLong(transaction.getTimeStamp());
// Meta ID ranges
List<CDOIDMetaRange> metaRanges = transaction.getMetaIDRanges();
for (CDOIDMetaRange metaRange : metaRanges)
{
CDOIDUtil.writeMetaRange(out, metaRange);
}
// ID mappings
Map<CDOIDTemp, CDOID> idMappings = transaction.getIdMappings();
for (Entry<CDOIDTemp, CDOID> entry : idMappings.entrySet())
{
CDOIDTemp oldID = entry.getKey();
if (!oldID.isMeta())
{
CDOID newID = entry.getValue();
CDOIDUtil.write(out, oldID);
CDOIDUtil.write(out, newID);
}
}
CDOIDUtil.write(out, CDOID.NULL);
}
else
{
out.writeString(rollbackMessage);
}
transaction.postCommit(success);
}
private Transaction getTransaction(int viewID)
{
IView view = getSession().getView(viewID);
if (view instanceof Transaction)
{
return (Transaction)view;
}
throw new IllegalStateException("Illegal transaction: " + view);
}
}
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