1. 扩展说明

通道信息派发器,用于指定线程池模型。

2. 扩展接口

com.alibaba.dubbo.remoting.Dispatcher

3. 扩展配置
<dubbo:protocol dispatcher="xxx" />
<dubbo:provider dispatcher="xxx" /> <!-- 缺省值设置,当<dubbo:protocol>没有配置dispatcher属性时,使用此配置 -->
4. 已知扩展
  • com.alibaba.dubbo.remoting.transport.dispatcher.all.AllDispatcher
  • com.alibaba.dubbo.remoting.transport.dispatcher.direct.DirectDispatcher
  • com.alibaba.dubbo.remoting.transport.dispatcher.message.MessageOnlyDispatcher
  • com.alibaba.dubbo.remoting.transport.dispatcher.execution.ExecutionDispatcher
  • com.alibaba.dubbo.remoting.transport.dispatcher.connection.ConnectionOrderedDispatcher
5. 扩展示例

Maven项目结构

src
 |-main
    |-java
        |-com
            |-xxx
                |-XxxDispatcher.java (实现Dispatcher接口)
    |-resources
        |-META-INF
            |-dubbo
                |-com.alibaba.dubbo.remoting.Dispatcher (纯文本文件,内容为:xxx=com.xxx.XxxDispatcher)

XxxDispatcher.java

package com.xxx;

import com.alibaba.dubbo.remoting.Dispatcher;

public class XxxDispatcher implements Dispatcher {
    public Group lookup(URL url) {
        // ...
    }
}

META-INF/dubbo/com.alibaba.dubbo.remoting.Dispatcher

xxx=com.xxx.XxxDispatcher

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