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/*
* Copyright (c) 2010-2012 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:
* Simon McDuff - initial API and implementation
* Eike Stepper - maintenance
*/
package org.eclipse.emf.cdo.internal.net4j.protocol;
import org.eclipse.emf.cdo.common.branch.CDOBranch;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.model.CDOPackageUnit;
import org.eclipse.emf.cdo.common.model.EMFUtil;
import org.eclipse.emf.cdo.common.protocol.CDODataInput;
import org.eclipse.emf.cdo.common.protocol.CDODataOutput;
import org.eclipse.emf.cdo.common.protocol.CDOProtocolConstants;
import org.eclipse.emf.cdo.common.revision.CDORevisionKey;
import org.eclipse.emf.cdo.spi.common.revision.InternalCDORevision;
import org.eclipse.emf.ecore.resource.ResourceSet;
import org.eclipse.emf.spi.cdo.CDOSessionProtocol.RefreshSessionResult;
import java.io.IOException;
import java.util.Map;
import java.util.Map.Entry;
/**
* @author Simon McDuff
* @since 2.0
*/
public class RefreshSessionRequest extends CDOClientRequest<RefreshSessionResult>
{
private long lastUpdateTime;
private Map<CDOBranch, Map<CDOID, InternalCDORevision>> viewedRevisions;
private int initialChunkSize;
private boolean enablePassiveUpdates;
public RefreshSessionRequest(CDOClientProtocol protocol, long lastUpdateTime,
Map<CDOBranch, Map<CDOID, InternalCDORevision>> viewedRevisions, int initialChunkSize,
boolean enablePassiveUpdates)
{
this(protocol, CDOProtocolConstants.SIGNAL_REFRESH_SESSION, lastUpdateTime, viewedRevisions, initialChunkSize,
enablePassiveUpdates);
}
protected RefreshSessionRequest(CDOClientProtocol protocol, short signalID, long lastUpdateTime,
Map<CDOBranch, Map<CDOID, InternalCDORevision>> viewedRevisions, int initialChunkSize,
boolean enablePassiveUpdates)
{
super(protocol, signalID);
this.lastUpdateTime = lastUpdateTime;
this.viewedRevisions = viewedRevisions;
this.initialChunkSize = initialChunkSize;
this.enablePassiveUpdates = enablePassiveUpdates;
}
@Override
protected void requesting(CDODataOutput out) throws IOException
{
out.writeLong(lastUpdateTime);
out.writeInt(initialChunkSize);
out.writeBoolean(enablePassiveUpdates);
out.writeInt(viewedRevisions.size());
for (Entry<CDOBranch, Map<CDOID, InternalCDORevision>> entry : viewedRevisions.entrySet())
{
CDOBranch branch = entry.getKey();
Map<CDOID, InternalCDORevision> revisions = entry.getValue();
out.writeCDOBranch(branch);
out.writeInt(revisions.size());
for (InternalCDORevision revision : revisions.values())
{
out.writeCDORevisionKey(revision);
}
}
}
@Override
protected RefreshSessionResult confirming(CDODataInput in) throws IOException
{
lastUpdateTime = in.readLong();
RefreshSessionResult result = new RefreshSessionResult(lastUpdateTime);
ResourceSet resourceSet = EMFUtil.newEcoreResourceSet();
for (;;)
{
byte type = in.readByte();
switch (type)
{
case CDOProtocolConstants.REFRESH_PACKAGE_UNIT:
{
CDOPackageUnit packageUnit = in.readCDOPackageUnit(resourceSet);
result.addPackageUnit(packageUnit);
break;
}
case CDOProtocolConstants.REFRESH_CHANGED_OBJECT:
{
InternalCDORevision revision = (InternalCDORevision)in.readCDORevision();
result.addChangedObject(revision);
break;
}
case CDOProtocolConstants.REFRESH_DETACHED_OBJECT:
{
CDORevisionKey key = in.readCDORevisionKey();
result.addDetachedObject(key);
break;
}
case CDOProtocolConstants.REFRESH_FINISHED:
return result;
default:
throw new IOException("Invalid refresh type: " + type);
}
}
}
}
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