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    }