ThreadPerChannelEventLoopGroup.java — netty Source File

Source Code

/*
 * Copyright 2012 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:
 *
 *   https://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.channel;


import io.netty.util.concurrent.AbstractEventExecutorGroup;
import io.netty.util.concurrent.DefaultPromise;
import io.netty.util.concurrent.DefaultThreadFactory;
import io.netty.util.concurrent.EventExecutor;
import io.netty.util.concurrent.Future;
import io.netty.util.concurrent.FutureListener;
import io.netty.util.concurrent.GlobalEventExecutor;
import io.netty.util.concurrent.Promise;
import io.netty.util.concurrent.ThreadPerTaskExecutor;
import io.netty.util.internal.EmptyArrays;
import io.netty.util.internal.ObjectUtil;
import io.netty.util.internal.ReadOnlyIterator;

import java.util.Collections;
import java.util.Iterator;
import java.util.Queue;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.util.concurrent.Executor;
import java.util.concurrent.RejectedExecutionException;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.TimeUnit;

/**
 * An {@link EventLoopGroup} that creates one {@link EventLoop} per {@link Channel}.
 *
 * @deprecated this will be remove in the next-major release.
 */
@Deprecated
public class ThreadPerChannelEventLoopGroup extends AbstractEventExecutorGroup implements EventLoopGroup {

    private final Object[] childArgs;
    private final int maxChannels;
    final Executor executor;
    final Set<EventLoop> activeChildren = ConcurrentHashMap.newKeySet();
    final Queue<EventLoop> idleChildren = new ConcurrentLinkedQueue<>();
    private final ChannelException tooManyChannels;

    private volatile boolean shuttingDown;
    private final Promise<?> terminationFuture = new DefaultPromise<Void>(GlobalEventExecutor.INSTANCE);
    private final FutureListener<Object> childTerminationListener = new FutureListener<Object>() {
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