| /******************************************************************************* |
| * Copyright (c) 2013 Oracle. 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/. |
| * |
| * Contributors: |
| * Oracle - initial API and implementation |
| ******************************************************************************/ |
| package org.eclipse.jpt.common.utility.internal.predicate; |
| |
| /** |
| * This predicate will return <code>true</code> for any object that is |
| * non-<code>null</code> and an instance of the specified class. |
| * |
| * @param <V> the type of objects to be evaluated by the predicate |
| */ |
| public class InstanceOf<V> |
| extends CriterionPredicate<V, Class<? extends V>> |
| { |
| public InstanceOf(Class<? extends V> clazz) { |
| super(clazz); |
| if (clazz == null) { |
| throw new NullPointerException(); |
| } |
| } |
| |
| public boolean evaluate(V variable) { |
| return this.criterion.isInstance(variable); |
| } |
| } |
