OclElementOclContainerProperty.java example

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/*******************************************************************************
 * 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 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.TypeId;
import org.eclipse.ocl.pivot.library.AbstractProperty;

/**
 * OclElementOclContainerProperty realizes the OclElement::oclContainer library property.
 * @since 1.1
 */
public class OclElementOclContainerProperty extends AbstractProperty
{
	public static final @NonNull OclElementOclContainerProperty INSTANCE = new OclElementOclContainerProperty();

	@Override
	public @Nullable Object evaluate(@NonNull Executor executor, @NonNull TypeId returnTypeId, @Nullable Object sourceValue) {
		EObject object = asNavigableObject(sourceValue, "oclContainer", executor); //$NON-NLS-1$
		return object.eContainer();
	}
}