plugins/org.eclipse.emf.edapt.history.editor/src/org/eclipse/emf/edapt/history/presentation/action/ContainerIsReleasePropertyTester.java

/*******************************************************************************
 * Copyright (c) 2007, 2010 BMW Car IT, Technische Universitaet Muenchen, and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 * BMW Car IT - Initial API and implementation
 * Technische Universitaet Muenchen - Major refactoring and extension
 *******************************************************************************/
package org.eclipse.emf.edapt.history.presentation.action;

import org.eclipse.core.expressions.PropertyTester;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.edapt.spi.history.Change;
import org.eclipse.emf.edapt.spi.history.Release;

/**
 * Property tester to check whether the container of a change is a release.
 *
 * @author herrmama
 * @author $Author$
 * @version $Rev$
 * @levd.rating RED Rev:
 */
public class ContainerIsReleasePropertyTester extends PropertyTester {

	/** {@inheritDoc} */
	@Override
	public boolean test(Object receiver, String property, Object[] args,
		Object expectedValue) {
		final Change change = (Change) receiver;
		final EObject container = change.eContainer();
		return container != null && container instanceof Release;
	}

}