| /* |
| * Copyright (c) 2009-2012, 2016 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); |
| } |
| } |