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/***************************************************************************
* Copyright (c) 2004-2007 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.cdo.internal.server.protocol;
import org.eclipse.emf.cdo.internal.protocol.CDOIDImpl;
import org.eclipse.emf.cdo.internal.protocol.model.CDOPackageImpl;
import org.eclipse.emf.cdo.internal.protocol.model.CDOPackageManagerImpl;
import org.eclipse.emf.cdo.internal.protocol.revision.CDORevisionImpl;
import org.eclipse.emf.cdo.internal.server.RepositoryPackageManager;
import org.eclipse.emf.cdo.internal.server.RevisionManager;
import org.eclipse.emf.cdo.internal.server.bundle.OM;
import org.eclipse.emf.cdo.protocol.CDOID;
import org.eclipse.emf.cdo.protocol.CDOProtocolConstants;
import org.eclipse.emf.cdo.protocol.model.CDOPackage;
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.HashMap;
import java.util.Map;
import java.util.Map.Entry;
/**
* @author Eike Stepper
*/
@SuppressWarnings("unused")
public class CommitTransactionIndication extends CDOServerIndication
{
private static final ContextTracer PROTOCOL = new ContextTracer(OM.DEBUG_PROTOCOL, CommitTransactionIndication.class);
private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG_REVISION, CommitTransactionIndication.class);
private CDOPackage[] newPackages;
private CDORevisionImpl[] newResources;
private CDORevisionImpl[] newObjects;
private CDORevisionImpl[] dirtyObjects;
private Map<CDOID, CDOID> idMappings = new HashMap();
private long timeStamp;
public CommitTransactionIndication()
{
super(CDOProtocolConstants.SIGNAL_COMMIT_TRANSACTION);
}
@Override
protected void indicating(ExtendedDataInputStream in) throws IOException
{
// try
// {
// Thread.sleep(100000000000L);
// }
// catch (InterruptedException ex)
// {
// throw new IOException(ex.getMessage());
// }
newPackages = readNewPackages(in);
newResources = readNewResources(in);
newObjects = readNewObjects(in);
dirtyObjects = readDirtyObjects(in);
}
private CDOPackage[] readNewPackages(ExtendedDataInputStream in) throws IOException
{
int size = in.readInt();
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Reading {0} new packages", size);
}
RepositoryPackageManager packageManager = getPackageManager();
CDOPackageImpl[] packages = new CDOPackageImpl[size];
for (int i = 0; i < size; i++)
{
packages[i] = new CDOPackageImpl(packageManager, in);
packageManager.addPackage(packages[i]);
}
return packages;
}
private CDORevisionImpl[] readNewResources(ExtendedDataInputStream in) throws IOException
{
int size = in.readInt();
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Reading {0} new resources", size);
}
return readRevisions(in, size);
}
private CDORevisionImpl[] readNewObjects(ExtendedDataInputStream in) throws IOException
{
int size = in.readInt();
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Reading {0} new objects", size);
}
return readRevisions(in, size);
}
private CDORevisionImpl[] readDirtyObjects(ExtendedDataInputStream in) throws IOException
{
int size = in.readInt();
if (PROTOCOL.isEnabled())
{
PROTOCOL.format("Reading {0} dirty objects", size);
}
return readRevisions(in, size);
}
private CDORevisionImpl[] readRevisions(ExtendedDataInputStream in, int size) throws IOException
{
CDOPackageManagerImpl packageManager = getRepository().getPackageManager();
CDORevisionImpl[] revisions = new CDORevisionImpl[size];
for (int i = 0; i < size; i++)
{
revisions[i] = new CDORevisionImpl(packageManager, in);
mapTemporaryID(revisions[i]);
}
return revisions;
}
@Override
protected void responding(ExtendedDataOutputStream out) throws IOException
{
timeStamp = System.currentTimeMillis();
out.writeLong(timeStamp);
transact(new Runnable()
{
public void run()
{
addRevisions(newResources);
addRevisions(newObjects);
addRevisions(dirtyObjects);
}
});
writeIDMappings(out);
if (dirtyObjects.length > 0)
{
getSessionManager().notifyInvalidation(timeStamp, dirtyObjects, getSession());
}
}
private void addRevisions(CDORevisionImpl[] revisions)
{
RevisionManager revisionManager = getRevisionManager();
for (CDORevisionImpl revision : revisions)
{
revision.setCreated(timeStamp);
revision.adjustReferences(idMappings);
revisionManager.addRevision(revision);
}
}
private void mapTemporaryID(CDORevisionImpl revision)
{
CDOID oldID = revision.getID();
if (oldID.isTemporary())
{
CDOID newID = getRepository().getNextCDOID();
if (TRACER.isEnabled())
{
TRACER.format("Mapping ID: {0} --> {1}", oldID, newID);
}
idMappings.put(oldID, newID);
revision.setID(newID);
}
}
private void writeIDMappings(ExtendedDataOutputStream out) throws IOException
{
out.writeInt(idMappings.size());
for (Entry<CDOID, CDOID> entry : idMappings.entrySet())
{
CDOIDImpl.write(out, entry.getKey());
CDOIDImpl.write(out, entry.getValue());
}
}
}
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