| /** |
| * <copyright> |
| * |
| * Copyright (c) 2014 itemis and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html |
| * |
| * Contributors: |
| * itemis - Initial API and implementation |
| * Siemens - [574930] Model load manager extension |
| * |
| * </copyright> |
| */ |
| package org.eclipse.sphinx.emf.workspace.loading.operations; |
| |
| import java.util.Collection; |
| import java.util.Map; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.core.runtime.OperationCanceledException; |
| import org.eclipse.core.runtime.SubMonitor; |
| import org.eclipse.core.runtime.jobs.ISchedulingRule; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.transaction.TransactionalEditingDomain; |
| import org.eclipse.sphinx.emf.metamodel.IMetaModelDescriptor; |
| import org.eclipse.sphinx.emf.util.EcorePlatformUtil; |
| import org.eclipse.sphinx.emf.workspace.internal.messages.Messages; |
| import org.eclipse.sphinx.emf.workspace.loading.SchedulingRuleFactory; |
| import org.eclipse.sphinx.platform.util.ExtendedPlatform; |
| |
| public class DefaultModelUnloadOperation extends AbstractLoadOperation implements IModelUnloadOperation { |
| |
| private Map<TransactionalEditingDomain, Collection<Resource>> resourcesToUnload; |
| private boolean memoryOptimized; |
| |
| public DefaultModelUnloadOperation(Map<TransactionalEditingDomain, Collection<Resource>> resourcesToUnload, boolean memoryOptimized) { |
| super(Messages.job_unloadingModelResources, null); |
| this.resourcesToUnload = resourcesToUnload; |
| this.memoryOptimized = memoryOptimized; |
| } |
| |
| @Override |
| public ISchedulingRule getRule() { |
| return new SchedulingRuleFactory().createLoadSchedulingRule(getResourcesToUnload()); |
| } |
| |
| /* |
| * @see org.eclipse.sphinx.emf.workspace.loading.operations.IModelUnloadOperation#getResourcesToUnload() |
| */ |
| @Override |
| public Map<TransactionalEditingDomain, Collection<Resource>> getResourcesToUnload() { |
| return resourcesToUnload; |
| } |
| |
| /* |
| * @see org.eclipse.sphinx.emf.workspace.loading.operations.IModelUnloadOperation#isMemoryOptimized() |
| */ |
| @Override |
| public boolean isMemoryOptimized() { |
| return memoryOptimized; |
| } |
| |
| @Override |
| public void run(IProgressMonitor monitor) throws CoreException { |
| runUnloadModelResources(resourcesToUnload, memoryOptimized, monitor); |
| } |
| |
| protected void runUnloadModelResources(Map<TransactionalEditingDomain, Collection<Resource>> resourcesToUnload, boolean memoryOptimized, |
| IProgressMonitor monitor) throws OperationCanceledException { |
| Assert.isNotNull(resourcesToUnload); |
| SubMonitor progress = SubMonitor.convert(monitor, getResourcesToUnloadCount(resourcesToUnload)); |
| if (progress.isCanceled()) { |
| throw new OperationCanceledException(); |
| } |
| |
| for (TransactionalEditingDomain editingDomain : resourcesToUnload.keySet()) { |
| Collection<Resource> resourcesToUnloadInEditingDomain = resourcesToUnload.get(editingDomain); |
| EcorePlatformUtil.unloadResources(editingDomain, resourcesToUnloadInEditingDomain, memoryOptimized, |
| progress.newChild(resourcesToUnloadInEditingDomain.size())); |
| |
| if (progress.isCanceled()) { |
| throw new OperationCanceledException(); |
| } |
| } |
| |
| // Perform a full garbage collection |
| ExtendedPlatform.performGarbageCollection(); |
| } |
| |
| @Override |
| public boolean covers(Collection<IProject> projects, boolean includeReferencedProjects, IMetaModelDescriptor mmDescriptor) { |
| return false; |
| } |
| |
| @Override |
| public boolean covers(Collection<IFile> files, IMetaModelDescriptor mmDescriptor) { |
| return false; |
| } |
| |
| protected int getResourcesToUnloadCount(Map<TransactionalEditingDomain, Collection<Resource>> resourcesToUnload) { |
| Assert.isNotNull(resourcesToUnload); |
| |
| int count = 0; |
| for (TransactionalEditingDomain editingDomain : resourcesToUnload.keySet()) { |
| count += resourcesToUnload.get(editingDomain).size(); |
| } |
| return count; |
| } |
| } |