| /* |
| * 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 |
| */ |
| package org.eclipse.emf.cdo.internal.net4j.protocol; |
| |
| import org.eclipse.emf.cdo.CDOObject; |
| 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.internal.net4j.bundle.OM; |
| import org.eclipse.emf.cdo.view.CDOView; |
| |
| import org.eclipse.net4j.util.concurrent.IRWLockManager.LockType; |
| import org.eclipse.net4j.util.om.trace.ContextTracer; |
| |
| import java.io.IOException; |
| |
| /** |
| * @author Simon McDuff |
| */ |
| public class ObjectLockedRequest extends CDOClientRequest<Boolean> |
| { |
| private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG_PROTOCOL, ObjectLockedRequest.class); |
| |
| private CDOView view; |
| |
| private CDOObject object; |
| |
| private LockType lockType; |
| |
| private boolean byOthers; |
| |
| public ObjectLockedRequest(CDOClientProtocol protocol, CDOView view, CDOObject object, LockType lockType, boolean byOthers) |
| { |
| super(protocol, CDOProtocolConstants.SIGNAL_OBJECT_LOCKED); |
| this.view = view; |
| this.object = object; |
| this.lockType = lockType; |
| this.byOthers = byOthers; |
| } |
| |
| @Override |
| protected void requesting(CDODataOutput out) throws IOException |
| { |
| if (TRACER.isEnabled()) |
| { |
| TRACER.format("Requesting if object {0} has of lock for object {1}", object.cdoID(), //$NON-NLS-1$ |
| lockType == LockType.READ ? "read" : "write"); //$NON-NLS-1$ //$NON-NLS-2$ |
| } |
| |
| out.writeInt(view.getViewID()); |
| out.writeCDOLockType(lockType); |
| out.writeCDOID(object.cdoID()); |
| out.writeBoolean(byOthers); |
| } |
| |
| @Override |
| protected Boolean confirming(CDODataInput in) throws IOException |
| { |
| return in.readBoolean(); |
| } |
| } |