| /* |
| * 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.common.id.CDOID; |
| import org.eclipse.emf.cdo.common.lock.CDOLockState; |
| 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.net4j.util.concurrent.IRWLockManager.LockType; |
| import org.eclipse.net4j.util.om.trace.ContextTracer; |
| |
| import org.eclipse.emf.spi.cdo.CDOSessionProtocol.UnlockObjectsResult; |
| |
| import java.io.IOException; |
| import java.util.Collection; |
| |
| /** |
| * @author Simon McDuff |
| */ |
| public class UnlockObjectsRequest extends CDOClientRequest<UnlockObjectsResult> |
| { |
| private static final ContextTracer TRACER = new ContextTracer(OM.DEBUG_PROTOCOL, UnlockObjectsRequest.class); |
| |
| private int viewID; |
| |
| private Collection<CDOID> objectIDs; |
| |
| private LockType lockType; |
| |
| private boolean recursive; |
| |
| public UnlockObjectsRequest(CDOClientProtocol protocol, int viewID, Collection<CDOID> objects, LockType lockType, boolean recursive) |
| { |
| this(protocol, CDOProtocolConstants.SIGNAL_UNLOCK_OBJECTS, viewID, objects, lockType, recursive); |
| } |
| |
| protected UnlockObjectsRequest(CDOClientProtocol protocol, short signalID, int viewID, Collection<CDOID> objectIDs, LockType lockType, boolean recursive) |
| { |
| super(protocol, signalID); |
| this.viewID = viewID; |
| this.objectIDs = objectIDs; |
| this.lockType = lockType; |
| this.recursive = recursive; |
| } |
| |
| @Override |
| protected void requesting(CDODataOutput out) throws IOException |
| { |
| out.writeXInt(viewID); |
| out.writeCDOLockType(lockType); |
| out.writeBoolean(recursive); |
| if (objectIDs == null) |
| { |
| if (TRACER.isEnabled()) |
| { |
| TRACER.format("Unlocking all objects for view {0}", viewID); //$NON-NLS-1$ |
| } |
| |
| out.writeXInt(CDOProtocolConstants.RELEASE_ALL_LOCKS); |
| } |
| else |
| { |
| if (TRACER.isEnabled()) |
| { |
| TRACER.format("Unlocking of type {0} requested for view {1}", lockType == LockType.READ ? "read" //$NON-NLS-1$ //$NON-NLS-2$ |
| : "write", viewID); //$NON-NLS-1$ |
| } |
| |
| out.writeXInt(objectIDs.size()); |
| for (CDOID id : objectIDs) |
| { |
| if (TRACER.isEnabled()) |
| { |
| TRACER.format("Unlocking requested for object {0}", id); //$NON-NLS-1$ |
| } |
| |
| out.writeCDOID(id); |
| } |
| } |
| } |
| |
| @Override |
| protected UnlockObjectsResult confirming(CDODataInput in) throws IOException |
| { |
| long timestamp = in.readXLong(); |
| int n = in.readXInt(); |
| CDOLockState[] newLockStates = new CDOLockState[n]; |
| for (int i = 0; i < n; i++) |
| { |
| newLockStates[i] = in.readCDOLockState(); |
| } |
| return new UnlockObjectsResult(newLockStates, timestamp); |
| } |
| } |