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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 - maintenance
**************************************************************************/
package org.eclipse.emf.internal.cdo;
import org.eclipse.emf.cdo.CDORevisionManager;
import org.eclipse.emf.cdo.analyzer.CDOFetchRuleManager;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.id.CDOIDObjectFactory;
import org.eclipse.emf.cdo.common.model.CDOFeature;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.emf.cdo.common.util.TransportException;
import org.eclipse.emf.cdo.internal.common.revision.CDORevisionResolverImpl;
import org.eclipse.emf.cdo.spi.common.InternalCDORevision;
import org.eclipse.emf.internal.cdo.bundle.OM;
import org.eclipse.emf.internal.cdo.protocol.CDOClientProtocol;
import org.eclipse.emf.internal.cdo.protocol.LoadChunkRequest;
import org.eclipse.emf.internal.cdo.protocol.LoadRevisionByTimeRequest;
import org.eclipse.emf.internal.cdo.protocol.LoadRevisionByVersionRequest;
import org.eclipse.emf.internal.cdo.protocol.LoadRevisionRequest;
import org.eclipse.net4j.signal.failover.IFailOverStrategy;
import org.eclipse.net4j.util.om.trace.PerfTracer;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
/**
* @author Eike Stepper
*/
public class CDORevisionManagerImpl extends CDORevisionResolverImpl implements CDORevisionManager
{
private static final PerfTracer LOADING = new PerfTracer(OM.PERF_REVISION_LOADING, CDORevisionManagerImpl.class);
private CDOSessionImpl session;
private CDOFetchRuleManager ruleManager = CDOFetchRuleManager.NOOP;
public CDORevisionManagerImpl(CDOSessionImpl session)
{
this.session = session;
}
public CDOSessionImpl getSession()
{
return session;
}
public CDOIDObjectFactory getCDOIDObjectFactory()
{
return session;
}
/**
* @since 2.0
*/
public CDOID resolveReferenceProxy(CDORevision revision, CDOFeature feature, int accessIndex, int serverIndex)
{
return session.getCollectionLoadingPolicy().resolveProxy(this, revision, feature, accessIndex, serverIndex);
}
/**
* @since 2.0
*/
public CDOID loadChunkByRange(CDORevision revision, CDOFeature feature, int accessIndex, int fetchIndex,
int fromIndex, int toIndex)
{
try
{
CDOClientProtocol protocol = session.getProtocol();
LoadChunkRequest request = new LoadChunkRequest(protocol, (InternalCDORevision)revision, feature, accessIndex,
fetchIndex, fromIndex, toIndex);
IFailOverStrategy failOverStrategy = session.getFailOverStrategy();
return failOverStrategy.send(request);
}
catch (RuntimeException ex)
{
throw ex;
}
catch (Exception ex)
{
throw new TransportException(ex);
}
}
@Override
protected InternalCDORevision loadRevision(CDOID id, int referenceChunk)
{
CDOClientProtocol protocol = session.getProtocol();
return send(new LoadRevisionRequest(protocol, Collections.singleton(id), referenceChunk)).get(0);
}
@Override
protected InternalCDORevision loadRevisionByTime(CDOID id, int referenceChunk, long timeStamp)
{
CDOClientProtocol protocol = session.getProtocol();
return send(new LoadRevisionByTimeRequest(protocol, Collections.singleton(id), referenceChunk, timeStamp)).get(0);
}
@Override
protected InternalCDORevision loadRevisionByVersion(CDOID id, int referenceChunk, int version)
{
CDOClientProtocol protocol = session.getProtocol();
return send(new LoadRevisionByVersionRequest(protocol, id, referenceChunk, version)).get(0);
}
@Override
protected List<InternalCDORevision> loadRevisions(Collection<CDOID> ids, int referenceChunk)
{
CDOClientProtocol protocol = session.getProtocol();
return send(new LoadRevisionRequest(protocol, ids, referenceChunk));
}
@Override
protected List<InternalCDORevision> loadRevisionsByTime(Collection<CDOID> ids, int referenceChunk, long timeStamp)
{
CDOClientProtocol protocol = session.getProtocol();
return send(new LoadRevisionByTimeRequest(protocol, ids, referenceChunk, timeStamp));
}
/**
* @since 2.0
*/
@Override
protected CDOFeature getResourcePathFeature()
{
return session.getPackageManager().getCDOResourcePackage().getCDOResourceClass().getCDOPathFeature();
}
private List<InternalCDORevision> send(LoadRevisionRequest request)
{
try
{
LOADING.start(request);
IFailOverStrategy failOverStrategy = session.getFailOverStrategy();
return failOverStrategy.send(request);
}
catch (RuntimeException ex)
{
throw ex;
}
catch (Exception ex)
{
throw new TransportException(ex);
}
finally
{
LOADING.stop(request);
}
}
public CDOFetchRuleManager getRuleManager()
{
return ruleManager;
}
public void setRuleManager(CDOFetchRuleManager ruleManager)
{
this.ruleManager = ruleManager;
}
}
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