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/*
* Copyright (c) 2015 Eike Stepper (Loehne, 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.internal.workspace;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevision;
import org.eclipse.emf.cdo.spi.common.revision.StubCDORevision;
import org.eclipse.emf.cdo.spi.workspace.InternalCDOWorkspace;
import org.eclipse.emf.ecore.EcorePackage;
import java.io.File;
import java.util.LinkedHashMap;
import java.util.Map;
/**
* @author Eike Stepper
*/
public class CachingCDOWorkspaceBase extends FolderCDOWorkspaceBase
{
private static final CDORevision ADDED = new StubCDORevision(EcorePackage.Literals.EOBJECT)
{
@Override
public String toString()
{
return "ADDED";
}
};
private final Map<CDOID, CDORevision> revisions = new LinkedHashMap<CDOID, CDORevision>();
private final Map<CDOID, Integer> detachedVersions = new LinkedHashMap<CDOID, Integer>();
public CachingCDOWorkspaceBase(File folder)
{
super(folder);
}
@Override
public void init(InternalCDOWorkspace workspace)
{
super.init(workspace);
for (CDOID id : getIDs())
{
CDORevision revision = getRevision(id);
if (revision == null)
{
revision = ADDED;
}
revisions.put(id, revision);
}
handleAddedAndDetachedObjects(new AddedAndDetachedHandler()
{
public void handleAddedAndDetachedHandler(CDOID id, int detachedVersion)
{
detachedVersions.put(id, detachedVersion);
}
});
}
@Override
protected void doRegisterChangedOrDetachedObject(InternalCDORevision revision)
{
super.doRegisterChangedOrDetachedObject(revision);
CDOID id = revision.getID();
if (revisions.containsKey(id))
{
return;
}
revisions.put(id, revision);
}
@Override
protected void doRegisterAddedAndDetachedObject(InternalCDORevision revision)
{
super.doRegisterAddedAndDetachedObject(revision);
CDOID id = revision.getID();
int detachedVersion = revision.getVersion();
detachedVersions.put(id, detachedVersion);
}
@Override
protected void doRegisterAddedObject(CDOID id)
{
super.doRegisterAddedObject(id);
revisions.put(id, ADDED);
}
@Override
protected void doDeregisterObject(CDOID id)
{
super.doDeregisterObject(id);
revisions.remove(id);
}
@Override
protected void doClear()
{
super.doClear();
revisions.clear();
detachedVersions.clear();
}
}
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