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 17 package com.google.common.util.concurrent; 18 19 import com.google.common.annotations.Beta; 20 21 import java.util.concurrent.Callable; 22 import java.util.concurrent.ScheduledExecutorService; 23 import java.util.concurrent.TimeUnit; 24 25 /** 26 * A {@link ScheduledExecutorService} that returns {@link ListenableFuture} 27 * instances from its {@code ExecutorService} methods. To create an instance 28 * from an existing {@link ScheduledExecutorService}, call 29 * {@link MoreExecutors#listeningDecorator(ScheduledExecutorService)}. 30 * 31 * @author Chris Povirk 32 * @since 10.0 33 */ 34 @Beta 35 public interface ListeningScheduledExecutorService 36 extends ScheduledExecutorService, ListeningExecutorService { 37 38 /** @since 15.0 (previously returned ScheduledFuture) */ 39 @Override schedule( Runnable command, long delay, TimeUnit unit)40 ListenableScheduledFuture<?> schedule( 41 Runnable command, long delay, TimeUnit unit); 42 43 /** @since 15.0 (previously returned ScheduledFuture) */ 44 @Override schedule( Callable<V> callable, long delay, TimeUnit unit)45 <V> ListenableScheduledFuture<V> schedule( 46 Callable<V> callable, long delay, TimeUnit unit); 47 48 /** @since 15.0 (previously returned ScheduledFuture) */ 49 @Override scheduleAtFixedRate( Runnable command, long initialDelay, long period, TimeUnit unit)50 ListenableScheduledFuture<?> scheduleAtFixedRate( 51 Runnable command, long initialDelay, long period, TimeUnit unit); 52 53 /** @since 15.0 (previously returned ScheduledFuture) */ 54 @Override scheduleWithFixedDelay( Runnable command, long initialDelay, long delay, TimeUnit unit)55 ListenableScheduledFuture<?> scheduleWithFixedDelay( 56 Runnable command, long initialDelay, long delay, TimeUnit unit); 57 } 58