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/*
* Copyright (c) 2004 - 2012 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.tests.util;
import org.eclipse.emf.cdo.common.branch.CDOBranchPoint;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.emf.cdo.internal.common.revision.CDORevisionManagerImpl;
import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevision;
import org.eclipse.emf.cdo.spi.common.revision.RevisionInfo;
import org.eclipse.emf.cdo.spi.common.revision.SyntheticCDORevision;
import org.eclipse.net4j.util.concurrent.ConcurrencyUtil;
import org.eclipse.net4j.util.event.IListener;
import java.util.List;
/**
* @author Eike Stepper
*/
public class TestRevisionManager extends CDORevisionManagerImpl
{
private Object lock = new Object();
private long getRevisionsDelay;
private int loadCounter;
private int additionalCounter;
public TestRevisionManager()
{
}
public void setGetRevisionsDelay(long millis)
{
synchronized (lock)
{
getRevisionsDelay = millis;
}
}
@Override
public List<CDORevision> getRevisions(List<CDOID> ids, CDOBranchPoint branchPoint, int referenceChunk,
int prefetchDepth, boolean loadOnDemand, SyntheticCDORevision[] synthetics)
{
if (getRevisionsDelay > 0)
{
long start = System.currentTimeMillis();
for (;;)
{
ConcurrencyUtil.sleep(1L);
synchronized (lock)
{
if (System.currentTimeMillis() > start + getRevisionsDelay)
{
break;
}
}
}
}
return super.getRevisions(ids, branchPoint, referenceChunk, prefetchDepth, loadOnDemand, synthetics);
}
@Override
public void addListener(IListener listener)
{
super.addListener(listener);
}
public void resetLoadCounter()
{
synchronized (lock)
{
loadCounter = 0;
}
}
public int getLoadCounter()
{
synchronized (lock)
{
return loadCounter;
}
}
public void resetAdditionalCounter()
{
synchronized (lock)
{
additionalCounter = 0;
}
}
public int getAdditionalCounter()
{
synchronized (lock)
{
return additionalCounter;
}
}
@Override
protected List<InternalCDORevision> loadRevisions(List<RevisionInfo> infosToLoad, CDOBranchPoint branchPoint,
int referenceChunk, int prefetchDepth)
{
List<InternalCDORevision> result = super.loadRevisions(infosToLoad, branchPoint, referenceChunk, prefetchDepth);
synchronized (lock)
{
additionalCounter += result == null ? 0 : result.size();
loadCounter += infosToLoad.size();
}
return result;
}
}
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