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/*****************************************************************************
* Copyright (c) 2015 CEA LIST 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:
* Jeremie Tatibouet (CEA LIST)
*
*****************************************************************************/
package org.eclipse.papyrus.uml.alf.transaction.observation.listener.filter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.transaction.NotificationFilter;
import org.eclipse.uml2.uml.Association;
import org.eclipse.uml2.uml.AssociationClass;
import org.eclipse.uml2.uml.Behavior;
import org.eclipse.uml2.uml.CommunicationPath;
import org.eclipse.uml2.uml.Component;
import org.eclipse.uml2.uml.DataType;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Enumeration;
import org.eclipse.uml2.uml.Extension;
import org.eclipse.uml2.uml.Generalization;
import org.eclipse.uml2.uml.Model;
import org.eclipse.uml2.uml.Node;
import org.eclipse.uml2.uml.Profile;
import org.eclipse.uml2.uml.Signal;
import org.eclipse.uml2.uml.Class;
import org.eclipse.uml2.uml.Stereotype;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.UMLPackage;
import org.eclipse.uml2.uml.resource.UMLResource;
public class FUMLFilter extends NotificationFilter.Custom {
public FUMLFilter() {
}
/**
* Filter starting point
*/
public boolean matches(Notification notification) {
Object notifier = notification.getNotifier();
if (!this.isNotifierAllowed(notifier)) {
return false;
}
Object feature = notification.getFeature();
if (notifier != null && feature != null) {
if (this.isEnumeration(notifier)) {
return this.isEnumerationFeatureListened((EStructuralFeature) feature);
} else if (this.isDataType(notifier)) {
return this.isDatatypeFeatureListened((EStructuralFeature) feature);
} else if (this.isPackage(notifier)) {
return this.isPackageFeatureListened((EStructuralFeature) feature);
} else if (this.isAssociation(notifier)) {
return this.isAssociationFeatureListener((EStructuralFeature) feature);
} else if (this.isSignal(notifier)) {
return this.isSignalFeatureListened((EStructuralFeature) feature);
} else if (this.isClass(notifier)) {
return this.isClassFeatureListened((EStructuralFeature) feature);
} else if (this.isGeneralization(notifier)) {
return this.isGeneralizationtFeatureListened((EStructuralFeature) feature);
}
}
return false;
}
private boolean isNotifierAllowed(Object notifier) {
boolean allowed = false;
if (notifier instanceof Element) {
EObject target = (EObject) notifier;
if (target.eResource() != null && target.eResource() instanceof UMLResource) {
allowed = target.eResource().isTrackingModification();
}
}
return allowed;
}
/*----------------------------------------------------------------------------*/
/* Enforce the filter to respect the fUML subset */
/*----------------------------------------------------------------------------*/
private boolean isGeneralization(Object notifier) {
return notifier instanceof Generalization;
}
/**
*
* @param notifier
* @return
*/
private boolean isClass(Object notifier) {
if (notifier instanceof Class &&
(!(notifier instanceof AssociationClass) &&
!(notifier instanceof Component) &&
!(notifier instanceof Node) &&
!(notifier instanceof Stereotype) &&
!(notifier instanceof Behavior))) {
return true;
}
return false;
}
/**
*
* @param notifier
* @return
*/
private boolean isSignal(Object notifier) {
return notifier instanceof Signal;
}
/**
*
* @param notifier
* @return
*/
private boolean isDataType(Object notifier) {
if (notifier instanceof DataType
&& !(notifier instanceof Enumeration)) {
return true;
}
return false;
}
/**
*
* @param notifier
* @return
*/
private boolean isPackage(Object notifier) {
if (notifier != null
&& notifier instanceof Package
&& !(notifier instanceof Model)
&& !(notifier instanceof Profile)) {
return true;
}
return false;
}
/**
*
* @param notifier
* @return
*/
private boolean isEnumeration(Object notifier) {
return notifier instanceof Enumeration;
}
/**
*
* @param notifier
* @return
*/
private boolean isAssociation(Object notifier) {
if (notifier instanceof Association
&& !(notifier instanceof AssociationClass)
&& !(notifier instanceof Extension)
&& !(notifier instanceof CommunicationPath)) {
return true;
}
return false;
}
/*----------------------------------------------------------------------------*/
/* Low level checks encoding the UML meta-model hierarchy */
/*----------------------------------------------------------------------------*/
private boolean isGeneralizationtFeatureListened(EStructuralFeature feature) {
if (UMLPackage.eINSTANCE.getGeneralization_General() == feature
|| UMLPackage.eINSTANCE.getGeneralization_Specific() == feature) {
return true;
}
return false;
}
private boolean isNamedElementFeatureListened(EStructuralFeature feature) {
if (UMLPackage.eINSTANCE.getNamedElement_Name() == feature
|| UMLPackage.eINSTANCE.getNamedElement_QualifiedName() == feature
|| UMLPackage.eINSTANCE.getNamedElement_Namespace() == feature
|| UMLPackage.eINSTANCE.getNamedElement_Visibility() == feature
|| UMLPackage.eINSTANCE.getNamedElement_Namespace() == feature) {
return true;
}
return false;
}
private boolean isTypeFeatureListened(EStructuralFeature feature) {
return UMLPackage.eINSTANCE.getType_Package() == feature || this.isPackageableElementFeatureListened(feature);
}
private boolean isNamespaceFeatureListened(EStructuralFeature feature) {
if (UMLPackage.eINSTANCE.getNamespace_ElementImport() == feature
|| UMLPackage.eINSTANCE.getNamespace_ImportedMember() == feature
|| UMLPackage.eINSTANCE.getNamespace_Member() == feature
|| UMLPackage.eINSTANCE.getNamespace_OwnedMember() == feature
|| UMLPackage.eINSTANCE.getNamespace_PackageImport() == feature
|| this.isNamedElementFeatureListened(feature)) {
return true;
}
return false;
}
private boolean isPackageableElementFeatureListened(EStructuralFeature feature) {
return this.isNamedElementFeatureListened(feature);
}
private boolean isPackageFeatureListened(EStructuralFeature feature) {
if (UMLPackage.eINSTANCE.getPackage_URI() == feature
|| UMLPackage.eINSTANCE.getPackage_NestedPackage() == feature
|| UMLPackage.eINSTANCE.getPackage_NestingPackage() == feature
|| UMLPackage.eINSTANCE.getPackage_OwnedType() == feature
|| UMLPackage.eINSTANCE.getPackage_PackagedElement() == feature
|| this.isPackageableElementFeatureListened(feature)
|| this.isNamespaceFeatureListened(feature)) {
return true;
}
return false;
}
private boolean isClassifierFeatureListened(EStructuralFeature feature) {
if (UMLPackage.eINSTANCE.getClassifier_IsFinalSpecialization() == feature
|| UMLPackage.eINSTANCE.getClassifier_IsAbstract() == feature
|| UMLPackage.eINSTANCE.getClassifier_Attribute() == feature
|| UMLPackage.eINSTANCE.getClassifier_Feature() == feature
|| UMLPackage.eINSTANCE.getClassifier_General() == feature
|| UMLPackage.eINSTANCE.getClassifier_Generalization() == feature
|| this.isNamespaceFeatureListened(feature)
|| this.isTypeFeatureListened(feature)) {
return true;
}
return false;
}
private boolean isStructuredClassifierFeatureListened(EStructuralFeature feature) {
if (UMLPackage.eINSTANCE.getStructuredClassifier_OwnedAttribute() == feature
|| this.isClassifierFeatureListened(feature)) {
return true;
}
return false;
}
private boolean isEncapsulatedClassifierFeatureListened(EStructuralFeature feature) {
return this.isStructuredClassifierFeatureListened(feature);
}
private boolean isBehavioredClassifierListened(EStructuralFeature feature) {
if (UMLPackage.eINSTANCE.getBehavioredClassifier_ClassifierBehavior() == feature
|| UMLPackage.eINSTANCE.getBehavioredClassifier_OwnedBehavior() == feature
|| this.isClassifierFeatureListened(feature)) {
return true;
}
return false;
}
private boolean isClassFeatureListened(EStructuralFeature feature) {
if (UMLPackage.eINSTANCE.getClass_IsActive() == feature
|| UMLPackage.eINSTANCE.getClass_NestedClassifier() == feature
|| UMLPackage.eINSTANCE.getClass_OwnedOperation() == feature
|| UMLPackage.eINSTANCE.getClass_OwnedReception() == feature
|| UMLPackage.eINSTANCE.getClass_SuperClass() == feature
|| this.isEncapsulatedClassifierFeatureListened(feature)
|| this.isBehavioredClassifierListened(feature)) {
return true;
}
return false;
}
private boolean isAssociationFeatureListener(EStructuralFeature feature) {
return UMLPackage.eINSTANCE.getAssociation_OwnedEnd() == feature || this.isClassifierFeatureListened(feature);
}
private boolean isSignalFeatureListened(EStructuralFeature feature) {
return UMLPackage.eINSTANCE.getSignal_OwnedAttribute() == feature || this.isClassifierFeatureListened(feature);
}
private boolean isDatatypeFeatureListened(EStructuralFeature feature) {
return UMLPackage.eINSTANCE.getDataType_OwnedAttribute() == feature || this.isClassifierFeatureListened(feature);
}
private boolean isEnumerationFeatureListened(EStructuralFeature feature) {
return UMLPackage.eINSTANCE.getEnumeration_OwnedLiteral() == feature || this.isDatatypeFeatureListened(feature);
}
}
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