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/*****************************************************************************
* Copyright (c) 2013 CEA LIST.
*
*
* 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:
* Ansgar Radermacher ansgar.radermacher@cea.fr
*
*****************************************************************************/
package org.eclipse.papyrus.qompass.designer.core.transformations.filters;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.papyrus.FCM.InteractionComponent;
import org.eclipse.papyrus.qompass.designer.core.listeners.PreCopyListener;
import org.eclipse.papyrus.qompass.designer.core.transformations.LazyCopier;
import org.eclipse.papyrus.uml.tools.utils.StereotypeUtil;
import org.eclipse.uml2.uml.Class;
import org.eclipse.uml2.uml.Connector;
import org.eclipse.uml2.uml.Element;
/**
* Do not copy connector related elements, i.e.
* 1. UML connectors with stereotype FCM.Connector
* The rationale behind this is that we want to avoid copying a FCM connector from the source model
* into the target model since the target model should only contain the reified form of the connector
*
* 2. UML classes that are stereotyped as interaction components
* We do not want to copy interaction components, since they typically need to be instantiated.
* TODO: there is no check whether we are actually in a template. An interaction component might be fixed (i.e. not
* depend on template instantiation) and needs to be copied in this case.
* (in most cases, these are not copied anyway, since these are in a different model,
* but we do not want to exclude the case of defining model-local connectors)
*
*/
public class FilterTemplate implements PreCopyListener {
public FilterTemplate() {
active = true;
}
public static FilterTemplate getInstance() {
if (instance == null) {
instance = new FilterTemplate();
}
return instance;
}
@Override
public EObject preCopyEObject(LazyCopier copy, EObject sourceEObj) {
if (active && (sourceEObj instanceof Element)) {
Element sourceElem = (Element) sourceEObj;
if ((sourceEObj instanceof Connector) && StereotypeUtil.isApplied(sourceElem, org.eclipse.papyrus.FCM.Connector.class)) {
// return null;
}
if ((sourceEObj instanceof Class) && StereotypeUtil.isApplied(sourceElem, InteractionComponent.class)) {
return null;
}
}
return sourceEObj;
}
public void setActive(boolean active) {
this.active = active;
}
private boolean active;
private static FilterTemplate instance = null;
}
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