001 /** 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 // 018 // This source code implements specifications defined by the Java 019 // Community Process. In order to remain compliant with the specification 020 // DO NOT add / change / or delete method signatures! 021 // 022 package javax.ejb; 023 024 import java.util.concurrent.ExecutionException; 025 import java.util.concurrent.Future; 026 import java.util.concurrent.TimeUnit; 027 import java.util.concurrent.TimeoutException; 028 029 public final class AsyncResult<V> implements Future<V> { 030 private final V result; 031 032 public AsyncResult(V result) { 033 this.result = result; 034 } 035 036 public boolean cancel(boolean mayInterruptIfRunning) { 037 throw new IllegalStateException(); 038 } 039 040 public V get() throws InterruptedException, ExecutionException { 041 return result; 042 } 043 044 public V get(long timeout, TimeUnit unit) throws InterruptedException, 045 ExecutionException, TimeoutException { 046 return result; 047 } 048 049 public boolean isCancelled() { 050 return false; 051 } 052 053 public boolean isDone() { 054 return true; 055 } 056 }