001/*
002 * Copyright (C) 2009 The Guava Authors
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 * http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package com.google.common.util.concurrent;
018
019import com.google.common.annotations.Beta;
020
021import java.util.concurrent.ExecutionException;
022import java.util.concurrent.Future;
023import java.util.concurrent.TimeUnit;
024import java.util.concurrent.TimeoutException;
025
026/**
027 * A {@code Future} whose {@code get} calls cannot be interrupted. If a thread
028 * is interrupted during such a call, the call continues to block until the
029 * result is available or the timeout elapses, and only then re-interrupts the
030 * thread. Obtain an instance of this type using {@link
031 * Futures#makeUninterruptible(Future)}.
032 *
033 * @author Kevin Bourrillion
034 * @since 1
035 */
036@Beta
037public interface UninterruptibleFuture<V> extends Future<V> {
038  @Override V get() throws ExecutionException;
039
040  @Override V get(long timeout, TimeUnit unit)
041      throws ExecutionException, TimeoutException;
042}