/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 2006, 2015 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. */ package javax.ejb; import java.io.Serializable; import java.util.concurrent.*; /** * Wraps the result of an asynchronous method call as a <code>Future</code> * object, preserving compatability with the business interface signature. * <p> * The value specified in the constructor will be retrieved by the container * and made available to the client. * <p> * Note that this object is not passed to the client. It is * merely a convenience for providing the result value to the container. * Therefore, none of its instance methods should be called by the * application. * * @since EJB 3.1 */ public final class AsyncResult<V> implements Future<V> { private final V resultValue; public AsyncResult(V result) { resultValue = result; } /** * This method should not be called. See Class-level comments. */ public boolean cancel(boolean mayInterruptIfRunning) { throw new java.lang.IllegalStateException ("Object does not represent an acutal Future"); } /** * This method should not be called. See Class-level comments. */ public boolean isCancelled() { throw new java.lang.IllegalStateException ("Object does not represent an acutal Future"); } /** * This method should not be called. See Class-level comments. */ public boolean isDone() { throw new java.lang.IllegalStateException ("Object does not represent an acutal Future"); } /** * This method should not be called. See Class-level comments. */ public V get() throws InterruptedException, ExecutionException { return resultValue; } /** * This method should not be called. See Class-level comments. */ public V get(long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { throw new java.lang.IllegalStateException ("Object does not represent an acutal Future"); } }