| //------------------------------------------------------------------------------ |
| // Copyright (c) 2005, 2006 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 implementation |
| //------------------------------------------------------------------------------ |
| package org.eclipse.epf.library.xmi.internal; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.ecore.resource.ResourceSet; |
| import org.eclipse.epf.library.edit.util.IOppositeFeatureLoader; |
| import org.eclipse.epf.persistence.MultiFileResourceSetImpl; |
| import org.eclipse.epf.uma.MethodElement; |
| |
| /** |
| * Manages the loading of opposite features for a XMI-based method library. |
| * |
| * @author Phong Nguyen Le |
| * @since 1.0 |
| */ |
| public class XMIOppositeFeatureLoader implements IOppositeFeatureLoader { |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.epf.library.edit.util.IOppositeFeatureLoader#loadOppositeFeatures(java.util.Collection) |
| */ |
| public void loadOppositeFeatures(Collection elements) { |
| HashSet oppositeFeatures = new HashSet(); |
| HashSet deletedGUIDs = new HashSet(); |
| MultiFileResourceSetImpl resourceSet = null; |
| for (Iterator iter = elements.iterator(); iter.hasNext();) { |
| Object o = (Object) iter.next(); |
| if(o instanceof MethodElement) { |
| MethodElement e = (MethodElement) o; |
| if(resourceSet == null) { |
| Resource resource = e.eResource(); |
| ResourceSet rset; |
| if(resource == null || !((rset = resource.getResourceSet()) instanceof MultiFileResourceSetImpl)) { |
| continue; |
| } |
| resourceSet = (MultiFileResourceSetImpl) rset; |
| } |
| for (Iterator iterator = e.eAllContents(); iterator.hasNext();) { |
| Object element = iterator.next(); |
| if (element instanceof MethodElement) { |
| Collection features = ((MethodElement) element) |
| .getOppositeFeatures(); |
| if (features != null |
| && !features.isEmpty()) { |
| oppositeFeatures |
| .addAll(features); |
| deletedGUIDs.add(((MethodElement) element) |
| .getGuid()); |
| } |
| } |
| } |
| Collection features = e.getOppositeFeatures(); |
| if (features != null && !features.isEmpty()) { |
| oppositeFeatures.addAll(features); |
| deletedGUIDs.add(e.getGuid()); |
| } |
| } |
| } |
| |
| resourceSet.loadOppositeFeatures(new ArrayList(oppositeFeatures), deletedGUIDs); |
| } |
| |
| } |