No need to do any deadlock check here
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/*
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* Copyright 2013 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.channel.group;
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import io.netty.util.concurrent.AbstractEventExecutorWithoutScheduler;
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import io.netty.util.concurrent.DefaultPromise;
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import io.netty.util.concurrent.EventExecutor;
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import io.netty.util.concurrent.EventExecutorGroup;
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import io.netty.util.concurrent.Promise;
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import java.util.Collections;
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import java.util.List;
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import java.util.concurrent.TimeUnit;
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final class ImmediateEventExecutor extends AbstractEventExecutorWithoutScheduler {
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@Override
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public EventExecutorGroup parent() {
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return null;
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}
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@Override
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public boolean inEventLoop() {
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return true;
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}
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@Override
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public boolean inEventLoop(Thread thread) {
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return true;
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}
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@Override
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public void shutdown() {
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}
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@Override
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public boolean isShutdown() {
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return false;
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}
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@Override
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public boolean isTerminated() {
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return false;
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}
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@Override
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public boolean awaitTermination(long timeout, TimeUnit unit) {
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return false;
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}
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@Override
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public List<Runnable> shutdownNow() {
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return Collections.emptyList();
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}
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@Override
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public void execute(Runnable command) {
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if (command == null) {
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throw new NullPointerException("command");
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}
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command.run();
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}
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@Override
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public <V> Promise<V> newPromise() {
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return new ImmediatePromise<V>(this);
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}
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static class ImmediatePromise<V> extends DefaultPromise<V> {
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ImmediatePromise(EventExecutor executor) {
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super(executor);
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}
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@Override
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protected void checkDeadLock() {
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// No check
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}
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}
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}
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