/* * 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 com.google.common.annotations.Beta; import java.util.concurrent.Callable; import java.util.concurrent.ScheduledExecutorService; import java.util.concurrent.TimeUnit; /** * A {@link ScheduledExecutorService} that returns {@link ListenableFuture} * instances from its {@code ExecutorService} methods. To create an instance * from an existing {@link ScheduledExecutorService}, call * {@link MoreExecutors#listeningDecorator(ScheduledExecutorService)}. * * @author Chris Povirk * @since 10.0 */ @Beta public interface ListeningScheduledExecutorService extends ScheduledExecutorService, ListeningExecutorService { /** @since 15.0 (previously returned ScheduledFuture) */ @Override ListenableScheduledFuture<?> schedule( Runnable command, long delay, TimeUnit unit); /** @since 15.0 (previously returned ScheduledFuture) */ @Override <V> ListenableScheduledFuture<V> schedule( Callable<V> callable, long delay, TimeUnit unit); /** @since 15.0 (previously returned ScheduledFuture) */ @Override ListenableScheduledFuture<?> scheduleAtFixedRate( Runnable command, long initialDelay, long period, TimeUnit unit); /** @since 15.0 (previously returned ScheduledFuture) */ @Override ListenableScheduledFuture<?> scheduleWithFixedDelay( Runnable command, long initialDelay, long delay, TimeUnit unit); }