| /******************************************************************************* |
| * Copyright (c) 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.bpel.common.extension.model.adapters.impl; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.eclipse.bpel.common.extension.model.Extension; |
| import org.eclipse.bpel.common.extension.model.ExtensionMap; |
| import org.eclipse.bpel.common.extension.model.ExtensionmodelPackage; |
| import org.eclipse.bpel.common.extension.model.adapters.ExtendedObjectAdapter; |
| import org.eclipse.bpel.common.extension.model.adapters.ExtendedObjectUserAdapter; |
| import org.eclipse.bpel.common.extension.model.impl.ExtensionMapImpl; |
| import org.eclipse.emf.common.notify.Adapter; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.common.notify.impl.AdapterImpl; |
| import org.eclipse.emf.common.util.BasicEList; |
| import org.eclipse.emf.common.util.EList; |
| import org.eclipse.emf.ecore.EObject; |
| |
| |
| /** |
| * This adapter is associated to an ExtensionMap and it's responsible for |
| * cleaning up once an Extension is removed from the ExtensionMap's list. |
| */ |
| public class ExtensionMapAdapterImpl extends AdapterImpl { |
| |
| /** |
| * Constructor for ExtensionAdapterImpl. |
| */ |
| public ExtensionMapAdapterImpl() { |
| super(); |
| } |
| |
| /** |
| * @see org.eclipse.emf.common.notify.Adapter#notifyChanged(org.eclipse.emf.common.notify.Notification) |
| */ |
| @Override |
| public void notifyChanged(Notification notification) { |
| |
| if(notification.getFeatureID(null) == ExtensionmodelPackage.EXTENSION_MAP__EXTENSIONS){ |
| switch (notification.getEventType()) { |
| |
| case Notification.REMOVE : // an Extension has been removed |
| case Notification.REMOVE_MANY : // an Extension has been removed |
| |
| List<Extension> extensionList = null; |
| if(notification.getEventType() == Notification.REMOVE_MANY) |
| extensionList = (List<Extension>) notification.getOldValue(); |
| else{ |
| extensionList = new BasicEList(); |
| extensionList.add((Extension)notification.getOldValue()); |
| } |
| |
| for (Iterator<Extension> iter = extensionList.iterator(); iter.hasNext();) { |
| Extension extension = iter.next(); |
| |
| EObject extendedObject = extension.getExtendedObject(); |
| |
| // if the exended EObject had an adapter, remove it. |
| if(extendedObject != null){ |
| EList<Adapter> adapters = extendedObject.eAdapters(); |
| EList<Adapter> removeAdapterList = new BasicEList<Adapter>(); |
| for (Iterator<Adapter> iter2 = adapters.iterator();iter2.hasNext();) { |
| Adapter adapter = iter2.next(); |
| |
| if((adapter instanceof ExtendedObjectUserAdapter && ((ExtendedObjectUserAdapter)adapter).getNamespace().equals(((ExtensionMap)getTarget()).getNamespace()))|| |
| adapter instanceof ExtendedObjectAdapter && ((ExtendedObjectAdapter)adapter).getNamespace().equals(((ExtensionMap)getTarget()).getNamespace())){ |
| removeAdapterList.add(adapter); |
| } |
| } |
| |
| for (Iterator<Adapter> iter2 = removeAdapterList.iterator(); iter2.hasNext();) { |
| Adapter adapter = iter2.next(); |
| try{ |
| ((ExtendedObjectAdapter)adapter).setExtension(null); |
| }catch(ClassCastException e){} |
| extendedObject.eAdapters().remove(adapter); |
| } |
| } |
| |
| // Set the Extension attributes to null. |
| if (!(notification.getNotifier() instanceof Extension)){ |
| if(extension.getExtendedObject() != null) |
| extension.setExtendedObject(null); |
| |
| if(extension.getExtensionObject() != null) |
| extension.setExtensionObject(null); |
| } |
| |
| } |
| break; |
| |
| case Notification.REMOVING_ADAPTER : |
| |
| ExtensionMap map = (ExtensionMap) notification.getNotifier(); |
| Set extendedObjects = map.keySet(); |
| |
| for (Iterator<EObject> iter = extendedObjects.iterator(); iter.hasNext();) { |
| EObject element = iter.next(); |
| |
| List<Adapter> remove = new BasicEList<Adapter>(); |
| for (Iterator<Adapter> iterator = element.eAdapters().iterator(); iterator.hasNext();) { |
| Adapter adapter = iterator.next(); |
| if(adapter instanceof ExtendedObjectUserAdapter || |
| adapter instanceof ExtendedObjectAdapter) |
| remove.add(adapter); |
| } |
| element.eAdapters().removeAll(remove); |
| } |
| |
| break; |
| |
| default : |
| break; |
| } |
| } |
| } |
| |
| /** |
| * @see org.eclipse.emf.common.notify.Adapter#isAdapterForType(java.lang.Object) |
| */ |
| @Override |
| public boolean isAdapterForType(Object type) { |
| return ExtensionMapImpl.class.equals(type); |
| } |
| |
| } |