Java tutorial
/* * Copyright 2013 The Netty Project * * The Netty Project licenses this file to you 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 io.netty.util.concurrent; import java.util.Collection; import java.util.Collections; import java.util.List; import java.util.concurrent.Callable; import java.util.concurrent.ExecutionException; import java.util.concurrent.TimeUnit; import java.util.concurrent.TimeoutException; import static io.netty.util.concurrent.AbstractEventExecutor.*; /** * Abstract base class for {@link EventExecutorGroup} implementations. */ public abstract class AbstractEventExecutorGroup implements EventExecutorGroup { @Override public Future<?> submit(Runnable task) { return next().submit(task); } @Override public <T> Future<T> submit(Runnable task, T result) { return next().submit(task, result); } @Override public <T> Future<T> submit(Callable<T> task) { return next().submit(task); } @Override public ScheduledFuture<?> schedule(Runnable command, long delay, TimeUnit unit) { return next().schedule(command, delay, unit); } @Override public <V> ScheduledFuture<V> schedule(Callable<V> callable, long delay, TimeUnit unit) { return next().schedule(callable, delay, unit); } @Override public ScheduledFuture<?> scheduleAtFixedRate(Runnable command, long initialDelay, long period, TimeUnit unit) { return next().scheduleAtFixedRate(command, initialDelay, period, unit); } @Override public ScheduledFuture<?> scheduleWithFixedDelay(Runnable command, long initialDelay, long delay, TimeUnit unit) { return next().scheduleWithFixedDelay(command, initialDelay, delay, unit); } @Override public Future<?> shutdownGracefully() { return shutdownGracefully(DEFAULT_SHUTDOWN_QUIET_PERIOD, DEFAULT_SHUTDOWN_TIMEOUT, TimeUnit.SECONDS); } /** * @deprecated {@link #shutdownGracefully(long, long, TimeUnit)} or {@link #shutdownGracefully()} instead. */ @Override @Deprecated public abstract void shutdown(); /** * @deprecated {@link #shutdownGracefully(long, long, TimeUnit)} or {@link #shutdownGracefully()} instead. */ @Override @Deprecated public List<Runnable> shutdownNow() { shutdown(); return Collections.emptyList(); } @Override public <T> List<java.util.concurrent.Future<T>> invokeAll(Collection<? extends Callable<T>> tasks) throws InterruptedException { return next().invokeAll(tasks); } @Override public <T> List<java.util.concurrent.Future<T>> invokeAll(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit) throws InterruptedException { return next().invokeAll(tasks, timeout, unit); } @Override public <T> T invokeAny(Collection<? extends Callable<T>> tasks) throws InterruptedException, ExecutionException { return next().invokeAny(tasks); } @Override public <T> T invokeAny(Collection<? extends Callable<T>> tasks, long timeout, TimeUnit unit) throws InterruptedException, ExecutionException, TimeoutException { return next().invokeAny(tasks, timeout, unit); } @Override public void execute(Runnable command) { next().execute(command); } }