| /******************************************************************************* |
| * Copyright (c) 2003, 2007 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| /* |
| * Created on Mar 3, 2004 |
| * |
| * To change the template for this generated file go to |
| * Window>Preferences>Java>Code Generation>Code and Comments |
| */ |
| package org.eclipse.wst.common.internal.emfworkbench.edit; |
| |
| import java.util.Hashtable; |
| import java.util.Map; |
| |
| import org.eclipse.core.internal.jobs.LockManager; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.jobs.ILock; |
| import org.eclipse.emf.ecore.resource.ResourceSet; |
| import org.eclipse.jem.internal.util.emf.workbench.EMFWorkbenchContextFactory; |
| import org.eclipse.jem.util.emf.workbench.EMFWorkbenchContextBase; |
| import org.eclipse.jem.util.emf.workbench.IEMFContextContributor; |
| import org.eclipse.jem.util.emf.workbench.ResourceSetWorkbenchSynchronizer; |
| import org.eclipse.wst.common.internal.emfworkbench.EMFWorkbenchContext; |
| import org.eclipse.wst.common.internal.emfworkbench.integration.ResourceSetWorkbenchEditSynchronizer; |
| |
| /** |
| * @author schacher |
| * |
| * To change the template for this generated type comment go to |
| * Window>Preferences>Java>Code Generation>Code and Comments |
| */ |
| public class EMFWorkbenchEditContextFactory extends EMFWorkbenchContextFactory { |
| |
| |
| /** |
| * |
| */ |
| public EMFWorkbenchEditContextFactory() { |
| super(); |
| } |
| |
| @Override |
| protected EMFWorkbenchContextBase primCreateEMFContext(IProject aProject) { |
| return new EMFWorkbenchContext(aProject); |
| } |
| |
| @Override |
| public ResourceSetWorkbenchSynchronizer createSynchronizer(ResourceSet aResourceSet, IProject aProject) { |
| return new ResourceSetWorkbenchEditSynchronizer(aResourceSet, aProject); |
| } |
| |
| protected static LockManager lockManager = new LockManager(); |
| protected static Map projectLocks = new Hashtable(); |
| |
| public static ILock getProjectLockObject(IProject aProject){ |
| if(null == aProject){ |
| return null; |
| } |
| Integer hashCode = new Integer(aProject.hashCode()); |
| synchronized (projectLocks) { |
| ILock lock = (ILock)projectLocks.get(hashCode); |
| if(lock == null){ |
| lock = lockManager.newLock(); |
| projectLocks.put(hashCode, lock); |
| } |
| return lock; |
| } |
| } |
| |
| @Override |
| public EMFWorkbenchContextBase createEMFContext(IProject aProject, IEMFContextContributor contributor) { |
| ILock lock = getProjectLockObject(aProject); |
| try{ |
| if(null != lock){ |
| lock.acquire(); |
| } |
| return super.createEMFContext(aProject, contributor); |
| } finally{ |
| if(null != lock){ |
| lock.release(); |
| } |
| } |
| } |
| |
| @Override |
| protected EMFWorkbenchContextBase getCachedEMFContext(IProject aProject) { |
| ILock lock = getProjectLockObject(aProject); |
| try{ |
| if(null != lock){ |
| lock.acquire(); |
| } |
| return super.getCachedEMFContext(aProject); |
| } finally{ |
| if(null != lock){ |
| lock.release(); |
| } |
| } |
| } |
| } |