com.iohao.game.widget.light.domain.event.DisruptorManager Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of light-domain-event Show documentation

There is a newer version: 21.17

/*
 * ioGame
 * Copyright (C) 2021 - present  渔民小镇 （[email protected]、[email protected]） . All Rights Reserved.
 * # iohao.com . 渔民小镇
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see .
 */
package com.iohao.game.widget.light.domain.event;

import com.iohao.game.widget.light.domain.event.disruptor.EventDisruptor;
import com.lmax.disruptor.dsl.Disruptor;
import lombok.Getter;
import lombok.Setter;

import java.util.Collection;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Consumer;

/**
 * 负责 Disruptor 的管理
 *
 * @author 渔民小镇
 * @date 2021-12-26
 */
public class DisruptorManager {
    /**
     * 事件主题
     *      *     key : topic
     *     value : 事件订阅
     * 
     */
    private final Map, Disruptor> topicMap = new ConcurrentHashMap<>();

    /** 领域事件线程名前缀 */
    @Setter
    @Getter
    private String threadNamePrefix = "iohao.domain";

    /**
     * 获取所有Disruptor
     *
     * @return Disruptor集合
     */
    Collection> listDisruptor() {
        return topicMap.values();
    }

    void forEach(Consumer> action) {
        listDisruptor().forEach(action);
    }

    /**
     * 获取领域消息主题对应的Disruptor
     *
     * @param topic 领域消息主题
     * @return Disruptor
     */
    Disruptor getDisruptor(final Class topic) {
        return topicMap.get(topic);
    }

    void put(Class topic, Disruptor disruptor) {
        topicMap.putIfAbsent(topic, disruptor);
    }

    private DisruptorManager() {
    }

    public static DisruptorManager me() {
        return Holder.ME;
    }

    /** 通过 JVM 的类加载机制, 保证只加载一次 (singleton) */
    private static class Holder {
        static final DisruptorManager ME = new DisruptorManager();
    }

}