/*******************************************************************************
* Copyright (c) 2010, 2014 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.library.oclany;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jdt.annotation.NonNull;
import org.eclipse.jdt.annotation.Nullable;
import org.eclipse.ocl.pivot.evaluation.Executor;
import org.eclipse.ocl.pivot.ids.CollectionTypeId;
import org.eclipse.ocl.pivot.ids.TypeId;
import org.eclipse.ocl.pivot.library.AbstractProperty;
import org.eclipse.ocl.pivot.values.SetValue;
/**
* OclElementOclContentsProperty realizes the OclElement::oclContents library property.
* @since 1.1
*/
public class OclElementOclContentsProperty extends AbstractProperty
{
public static final @NonNull OclElementOclContentsProperty INSTANCE = new OclElementOclContentsProperty();
@Override
public @NonNull SetValue evaluate(@NonNull Executor executor, @NonNull TypeId returnTypeId, @Nullable Object sourceValue) {
EObject object = asNavigableObject(sourceValue, "oclContents()", executor); //$NON-NLS-1$
Set<Object> collection = new HashSet<Object>();
for (Object eContent : object.eContents()) {
if (eContent != null) {
collection.add(executor.getIdResolver().boxedValueOf(eContent));
}
}
return createSetValue((CollectionTypeId)returnTypeId, collection);
}
}