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      1 /*
      2  * Copyright (C) 2009 Google Inc.
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  * http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.google.common.util.concurrent;
     18 
     19 import java.util.concurrent.ExecutionException;
     20 import java.util.concurrent.Future;
     21 import java.util.concurrent.TimeUnit;
     22 import java.util.concurrent.TimeoutException;
     23 
     24 /**
     25  * A {@code Future} whose {@code get} calls cannot be interrupted. If a thread
     26  * is interrupted during such a call, the call continues to block until the
     27  * result is available or the timeout elapses, and only then re-interrupts the
     28  * thread. Obtain an instance of this type using {@link
     29  * Futures#makeUninterruptible(Future)}.
     30  *
     31  * @author Kevin Bourrillion
     32  * @since 2009.09.15 <b>tentative</b>
     33  */
     34 public interface UninterruptibleFuture<V> extends Future<V> {
     35   /*@Override*/ V get() throws ExecutionException;
     36 
     37   /*@Override*/ V get(long timeout, TimeUnit unit)
     38       throws ExecutionException, TimeoutException;
     39 }
     40