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/*
* Copyright (c) 2009-2012 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.server.internal.net4j.protocol;
import org.eclipse.emf.cdo.common.id.CDOID;
import org.eclipse.emf.cdo.common.id.CDOIDUtil;
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.server.IView;
import org.eclipse.emf.cdo.spi.server.InternalLockManager;
import org.eclipse.net4j.util.concurrent.IRWLockManager.LockType;
import java.io.IOException;
/**
* @author Simon McDuff
*/
public class ObjectLockedIndication extends CDOServerReadIndication
{
private boolean isLocked;
public ObjectLockedIndication(CDOServerProtocol protocol)
{
super(protocol, CDOProtocolConstants.SIGNAL_OBJECT_LOCKED);
}
@Override
protected void indicating(CDODataInput in) throws IOException
{
int viewID = in.readInt();
IView view = getView(viewID);
InternalLockManager lockManager = getRepository().getLockingManager();
LockType lockType = in.readCDOLockType();
CDOID id = in.readCDOID();
Object key = getRepository().isSupportingBranches() ? CDOIDUtil.createIDAndBranch(id, view.getBranch()) : id;
boolean byOthers = in.readBoolean();
if (byOthers)
{
isLocked = lockManager.hasLockByOthers(lockType, view, key);
}
else
{
isLocked = lockManager.hasLock(lockType, view, key);
}
}
@Override
protected void responding(CDODataOutput out) throws IOException
{
out.writeBoolean(isLocked);
}
}
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