/*******************************************************************************
* Copyright (c) 2014, 2015 Willink Transformations 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:
* E.D.Willink - initial API and implementation
*******************************************************************************/
package org.eclipse.ocl.pivot.uml.internal.library;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.Property;
import org.eclipse.ocl.pivot.Stereotype;
import org.eclipse.ocl.pivot.Type;
import org.eclipse.ocl.pivot.evaluation.Executor;
import org.eclipse.ocl.pivot.ids.TypeId;
import org.eclipse.ocl.pivot.internal.library.ExtensionProperty;
/**
* The static instance of ExplicitNavigationProperty supports evaluation of
* a property call that navigates a relationship.
*/
public class UMLExtensionProperty extends ExtensionProperty
{
public UMLExtensionProperty(@NonNull Property property) {
super(property);
}
@Override
public @Nullable Object evaluate(@NonNull Executor executor, @NonNull TypeId returnTypeId, @Nullable Object sourceValue) {
Type staticType = property.getType();
if (staticType == null) {
return null;
}
if (sourceValue instanceof org.eclipse.uml2.uml.Element) {
if (staticType instanceof Stereotype) {
return UMLElementExtension.getUMLElementExtension((Stereotype)staticType, (org.eclipse.uml2.uml.Element)sourceValue);
}
}
return super.evaluate(executor, returnTypeId, sourceValue);
}
}