/* * Copyright (C) 2009 The Guava Authors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.google.common.util.concurrent; import com.google.common.base.Preconditions; import com.google.common.collect.ForwardingObject; import java.util.concurrent.ExecutionException; import java.util.concurrent.Future; import java.util.concurrent.TimeUnit; import java.util.concurrent.TimeoutException; /** * A {@link Future} which forwards all its method calls to another future. * Subclasses should override one or more methods to modify the behavior of * the backing future as desired per the decorator pattern. * *
Most subclasses can just use {@link SimpleForwardingFuture}.
*
* @author Sven Mawson
* @since 1.0
*/
public abstract class ForwardingFuture