1/* 2 * Copyright (C) 2011 The Guava Authors 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 17package com.google.common.util.concurrent; 18 19import com.google.common.annotations.Beta; 20 21import java.util.concurrent.ScheduledExecutorService; 22 23/** 24 * A {@link ScheduledExecutorService} that returns {@link ListenableFuture} 25 * instances from its {@code ExecutorService} methods. Futures returned by the 26 * {@code schedule*} methods, by contrast, need not implement {@code 27 * ListenableFuture}. (To create an instance from an existing {@link 28 * ScheduledExecutorService}, call {@link 29 * MoreExecutors#listeningDecorator(ScheduledExecutorService)}. 30 * 31 * <p>TODO(cpovirk): make at least the one-time schedule() methods return a 32 * ListenableFuture, too? But then we'll need ListenableScheduledFuture... 33 * 34 * @author Chris Povirk 35 * @since 10.0 36 */ 37@Beta 38public interface ListeningScheduledExecutorService 39 extends ScheduledExecutorService, ListeningExecutorService { 40} 41