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Java example source code file (ChannelPoolHandler.java)

This example Java source code file (ChannelPoolHandler.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

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Java - Java tags/keywords

channelpoolhandler, exception

The ChannelPoolHandler.java Java example source code

/*
 * Copyright 2015 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.channel.pool;

import io.netty.channel.Channel;
import io.netty.channel.EventLoop;
import io.netty.util.concurrent.Promise;

/**
 * Handler which is called for various actions done by the {@link ChannelPool}.
 */
public interface ChannelPoolHandler {
    /**
     * Called once a {@link Channel} was released by calling {@link ChannelPool#release(Channel)} or
     * {@link ChannelPool#release(Channel, Promise)}.
     *
     * This method will be called by the {@link EventLoop} of the {@link Channel}.
     */
    void channelReleased(Channel ch) throws Exception;

    /**
     * Called once a {@link Channel} was acquired by calling {@link ChannelPool#acquire()} or
     * {@link ChannelPool#acquire(Promise)}.
     *
     * This method will be called by the {@link EventLoop} of the {@link Channel}.
     */
    void channelAcquired(Channel ch) throws Exception;

    /**
     * Called once a new {@link Channel} is created in the {@link ChannelPool}.
     *
     * This method will be called by the {@link EventLoop} of the {@link Channel}.
     */
    void channelCreated(Channel ch) throws Exception;
}

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