Dubbo3 消息派發(fā)擴展

擴展說明

通道信息派發(fā)器，用于指定線程池模型。

擴展接口

org.apache.dubbo.remoting.Dispatcher

擴展配置

<dubbo:protocol dispatcher="xxx" />
<!-- 缺省值設置，當<dubbo:protocol>沒有配置dispatcher屬性時，使用此配置 -->
<dubbo:provider dispatcher="xxx" />

已知擴展

• org.apache.dubbo.remoting.transport.dispatcher.all.AllDispatcher
• org.apache.dubbo.remoting.transport.dispatcher.direct.DirectDispatcher
• org.apache.dubbo.remoting.transport.dispatcher.message.MessageOnlyDispatcher
• org.apache.dubbo.remoting.transport.dispatcher.execution.ExecutionDispatcher
• org.apache.dubbo.remoting.transport.dispatcher.connection.ConnectionOrderedDispatcher

擴展示例

Maven 項目結構：

src
 |-main
    |-java
        |-com
            |-xxx
                |-XxxDispatcher.java (實現(xiàn)Dispatcher接口)
    |-resources
        |-META-INF
            |-dubbo
                |-org.apache.dubbo.remoting.Dispatcher (純文本文件，內(nèi)容為：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