消息派发扩展
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扩展说明
通道信息派发器，用于指定线程池模型。
扩展接口
org.apache.dubbo.remoting.Dispatcher
扩展配置
<dubbo:protocol dispatcher="xxx" />
<!-- 缺省值设置，当<dubbo:protocol>没有配置dispatcher属性时，使用此配置 -->
<dubbo:provider dispatcher="xxx" />
已知扩展
org.apache.dubbo.remoting.transport.dispatcher.all.AllDispatcherorg.apache.dubbo.remoting.transport.dispatcher.direct.DirectDispatcherorg.apache.dubbo.remoting.transport.dispatcher.message.MessageOnlyDispatcherorg.apache.dubbo.remoting.transport.dispatcher.execution.ExecutionDispatcherorg.apache.dubbo.remoting.transport.dispatcher.connection.ConnectionOrderedDispatcher
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
|-org.apache.dubbo.remoting.Dispatcher (纯文本文件，内容为：xxx=com.xxx.XxxDispatcher)
XxxDispatcher.java：
package com.xxx;
import org.apache.dubbo.remoting.Dispatcher;
public class XxxDispatcher implements Dispatcher {
public Group lookup(URL url) {
// ...
}
}
META-INF/dubbo/org.apache.dubbo.remoting.Dispatcher：
xxx=com.xxx.XxxDispatcher
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