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 /*
  * Copyright (C) 2011 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  javax.annotation.Nullable;

Abstract ListeningExecutorService implementation that creates ListenableFutureTask instances for each Runnable and Callable submitted to it. These tasks are run with the abstract execute(Runnable) method.

In addition to execute, subclasses must implement all methods related to shutdown and termination.

Author(s):
Chris Povirk
Since:
14.0
public abstract class AbstractListeningExecutorService
    extends AbstractExecutorService implements ListeningExecutorService {
  @Override protected final <T> ListenableFutureTask<T> newTaskFor(Runnable runnable, T value) {
    return ListenableFutureTask.create(runnablevalue);
  }
  @Override protected final <T> ListenableFutureTask<T> newTaskFor(Callable<T> callable) {
    return ListenableFutureTask.create(callable);
  }
  @Override public ListenableFuture<?> submit(Runnable task) {
    return (ListenableFuture<?>) super.submit(task);
  }
  @Override public <T> ListenableFuture<T> submit(Runnable task, @Nullable T result) {
    return (ListenableFuture<T>) super.submit(taskresult);
  }
  @Override public <T> ListenableFuture<T> submit(Callable<T> task) {
    return (ListenableFuture<T>) super.submit(task);
  }
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