001package org.eclipse.aether.util.concurrency;
002
003/*
004 * Licensed to the Apache Software Foundation (ASF) under one
005 * or more contributor license agreements.  See the NOTICE file
006 * distributed with this work for additional information
007 * regarding copyright ownership.  The ASF licenses this file
008 * to you under the Apache License, Version 2.0 (the
009 * "License"); you may not use this file except in compliance
010 * with the License.  You may obtain a copy of the License at
011 * 
012 *  http://www.apache.org/licenses/LICENSE-2.0
013 * 
014 * Unless required by applicable law or agreed to in writing,
015 * software distributed under the License is distributed on an
016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
017 * KIND, either express or implied.  See the License for the
018 * specific language governing permissions and limitations
019 * under the License.
020 */
021
022import java.util.concurrent.Future;
023import java.util.concurrent.TimeUnit;
024
025/**
026 * Wraps a result value as a Future.
027 *
028 * @param <T> result type
029 */
030public class FutureResult<T>
031    implements Future<T>
032{
033    private final T value;
034
035    public FutureResult( T value )
036    {
037        this.value = value;
038    }
039
040    @Override
041    public boolean cancel( boolean mayInterruptIfRunning )
042    {
043        return false;
044    }
045
046    @Override
047    public boolean isCancelled()
048    {
049        return false;
050    }
051
052    @Override
053    public boolean isDone()
054    {
055        return true;
056    }
057
058    @Override
059    public T get()
060    {
061        return value;
062    }
063
064    @Override
065    public T get( long timeout, TimeUnit unit )
066    {
067        return value;
068    }
069}