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/*
* Copyright (c) 2012, 2016, 2019 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.server.internal.lissome.optimizer;
import org.eclipse.emf.cdo.common.branch.CDOBranch;
import org.eclipse.emf.cdo.common.branch.CDOBranchPoint;
import org.eclipse.emf.cdo.common.branch.CDOBranchVersion;
import org.eclipse.emf.cdo.common.commit.CDOCommitInfo;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.revision.CDORevision;
import org.eclipse.emf.cdo.common.revision.CDORevisionCacheAdder;
import org.eclipse.emf.cdo.server.internal.lissome.LissomeStore;
import org.eclipse.emf.cdo.server.internal.lissome.db.IndexWriter;
import org.eclipse.emf.cdo.server.internal.lissome.file.Vob;
import org.eclipse.emf.cdo.spi.common.commit.InternalCDOCommitInfoManager;
import org.eclipse.emf.cdo.spi.common.model.InternalCDOPackageUnit;
import org.eclipse.emf.cdo.spi.common.revision.DetachedCDORevision;
import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevision;
import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevisionDelta;
import org.eclipse.emf.cdo.spi.server.InternalCommitContext;
import org.eclipse.emf.ecore.EClass;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/**
* @author Eike Stepper
*/
public class CommitTransactionTask implements OptimizerTask
{
protected final CDOBranchPoint branchPoint;
protected final long previousTimeStamp;
protected final String userID;
protected final String commitComment;
protected final InternalCDOPackageUnit[] newPackageUnits;
protected final InternalCDORevision[] newObjects;
protected final InternalCDORevisionDelta[] dirtyObjectDeltas;
protected final InternalCDORevision[] dirtyObjects;
protected final CDOID[] detachedObjects;
protected final Map<CDOID, EClass> detachedObjectTypes;
protected final CDOBranchVersion[] detachedObjectVersions;
protected final List<byte[]> lobs = new ArrayList<byte[]>();
private long newCommitPointer;
private long newPackageUnitPointer;
private Map<CDORevision, Long> newObjectPointers = new HashMap<CDORevision, Long>();
private InternalCDORevision[] detachedRevisions;
public CommitTransactionTask(InternalCommitContext context)
{
branchPoint = context.getBranchPoint();
previousTimeStamp = context.getPreviousTimeStamp();
userID = context.getUserID();
commitComment = context.getCommitComment();
newPackageUnits = context.getNewPackageUnits();
newObjects = context.getNewObjects();
dirtyObjectDeltas = context.getDirtyObjectDeltas();
dirtyObjects = context.getDirtyObjects();
detachedObjects = context.getDetachedObjects();
detachedObjectTypes = context.getDetachedObjectTypes();
detachedObjectVersions = context.getDetachedObjectVersions();
}
public CDOBranchPoint getBranchPoint()
{
return branchPoint;
}
public boolean isValid(CDOBranchPoint branchPoint)
{
long timeStamp = branchPoint.getTimeStamp();
if (timeStamp != CDOBranchPoint.UNSPECIFIED_DATE && timeStamp < this.branchPoint.getTimeStamp())
{
return false;
}
return branchPoint.getBranch() == this.branchPoint.getBranch();
}
public void setDetachedRevisions(InternalCDORevision[] detachedRevisions)
{
this.detachedRevisions = detachedRevisions;
}
public long getNewCommitPointer()
{
return newCommitPointer;
}
public void setNewCommitPointer(long newCommitPointer)
{
this.newCommitPointer = newCommitPointer;
}
public long getNewPackageUnitPointer()
{
return newPackageUnitPointer;
}
public Map<CDORevision, Long> getNewObjectPointers()
{
return newObjectPointers;
}
public List<byte[]> getLobs()
{
return lobs;
}
public CDOCommitInfo createCommitInfo(InternalCDOCommitInfoManager commitInfoManager)
{
CDOBranch branch = branchPoint.getBranch();
long timeStamp = branchPoint.getTimeStamp();
return commitInfoManager.createCommitInfo(branch, timeStamp, previousTimeStamp, userID, commitComment, null, null);
}
@Override
public void execute(Optimizer optimizer) throws IOException
{
LissomeStore store = optimizer.getStore();
IndexWriter indexWriter = store.getIndex().getWriter();
Vob vob = store.getVob();
indexWriter.addCommitInfo(branchPoint, newCommitPointer);
addObjects(indexWriter);
updateObjects(indexWriter, vob);
detachObjects(indexWriter, vob);
indexWriter.commit();
}
protected void addObjects(IndexWriter indexWriter)
{
if (newObjects.length != 0)
{
long[] pointers = new long[newObjects.length];
for (int i = 0; i < newObjects.length; i++)
{
InternalCDORevision revision = newObjects[i];
pointers[i] = -newObjectPointers.get(revision);
}
indexWriter.addObjects(newObjects, pointers);
}
}
protected void updateObjects(IndexWriter indexWriter, Vob vob)
{
if (dirtyObjects.length != 0)
{
long[] pointers = new long[dirtyObjects.length];
for (int i = 0; i < dirtyObjects.length; i++)
{
InternalCDORevision revision = dirtyObjects[i];
pointers[i] = vob.addRevision(revision);
}
indexWriter.updateObjects(dirtyObjects, pointers);
}
}
protected void detachObjects(IndexWriter indexWriter, Vob vob)
{
if (detachedObjects.length != 0)
{
long[] pointers = new long[detachedRevisions.length];
for (int i = 0; i < detachedRevisions.length; i++)
{
InternalCDORevision revision = detachedRevisions[i];
pointers[i] = vob.addRevision(revision);
}
indexWriter.detachObjects(branchPoint, detachedObjects, detachedRevisions, pointers);
}
}
public void cacheRevisions(CDORevisionCacheAdder cache)
{
for (int i = 0; i < newObjects.length; i++)
{
InternalCDORevision revision = newObjects[i];
cache.addRevision(revision);
}
for (int i = 0; i < dirtyObjects.length; i++)
{
InternalCDORevision revision = dirtyObjects[i];
cache.addRevision(revision);
}
for (int i = 0; i < detachedObjects.length; i++)
{
CDOID id = detachedObjects[i];
EClass eClass = detachedObjectTypes.get(id);
CDOBranchVersion branchVersion = detachedObjectVersions[i];
CDOBranch branch = branchVersion.getBranch();
int version = branchVersion.getVersion();
long timeStamp = branchPoint.getTimeStamp();
DetachedCDORevision revision = new DetachedCDORevision(eClass, id, branch, version, timeStamp);
cache.addRevision(revision);
}
}
}
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