| /* |
| * Copyright (c) 2015 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.emf.cdo.internal.ui.handlers; |
| |
| import org.eclipse.emf.cdo.CDOObject; |
| import org.eclipse.emf.cdo.common.lock.CDOLockChangeInfo.Operation; |
| import org.eclipse.emf.cdo.util.CDOUtil; |
| import org.eclipse.emf.cdo.view.CDOView; |
| |
| import org.eclipse.net4j.util.concurrent.IRWLockManager.LockType; |
| import org.eclipse.net4j.util.ui.handlers.AbstractBaseHandler; |
| |
| import org.eclipse.emf.ecore.EObject; |
| |
| import org.eclipse.core.runtime.IProgressMonitor; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public abstract class LockingHandler extends AbstractBaseHandler<EObject> |
| { |
| private final Operation operation; |
| |
| private final boolean recursive; |
| |
| public LockingHandler(Operation operation, boolean recursive) |
| { |
| super(EObject.class, null); |
| this.operation = operation; |
| this.recursive = recursive; |
| } |
| |
| @Override |
| protected void doExecute(IProgressMonitor monitor) throws Exception |
| { |
| CDOView view = null; |
| Set<CDOObject> objects = new HashSet<CDOObject>(); |
| |
| for (EObject element : elements) |
| { |
| CDOObject object = CDOUtil.getCDOObject(element); |
| if (object != null) |
| { |
| CDOView objectView = object.cdoView(); |
| if (objectView != null) |
| { |
| if (view == null) |
| { |
| view = objectView; |
| } |
| else if (view != objectView) |
| { |
| return; |
| } |
| |
| objects.add(object); |
| } |
| } |
| } |
| |
| if (operation == Operation.LOCK) |
| { |
| view.lockObjects(objects, LockType.WRITE, 5000L, recursive); |
| } |
| else |
| { |
| view.unlockObjects(objects, LockType.WRITE, recursive); |
| } |
| } |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public static final class LockObject extends LockingHandler |
| { |
| public LockObject() |
| { |
| super(Operation.LOCK, false); |
| } |
| } |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public static final class LockTree extends LockingHandler |
| { |
| public LockTree() |
| { |
| super(Operation.LOCK, true); |
| } |
| } |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public static final class UnlockObject extends LockingHandler |
| { |
| public UnlockObject() |
| { |
| super(Operation.UNLOCK, false); |
| } |
| } |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public static final class UnlockTree extends LockingHandler |
| { |
| public UnlockTree() |
| { |
| super(Operation.UNLOCK, true); |
| } |
| } |
| } |