Message Dispatch Extension

Expansion Description

Channel information dispatcher, used to specify the thread pool model.

Extension ports

org.apache.dubbo.remoting.Dispatcher

Extended configuration

<dubbo:protocol dispatcher="xxx" />
<!-- The default value setting, when <dubbo:protocol> does not configure the dispatcher attribute, use this configuration -->
<dubbo:provider dispatcher="xxx" />

Known extensions

  • 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

Extended example

Maven project structure:

src
 |-main
    |-java
        |-com
            |-xxx
                |-XxxDispatcher.java (implements the Dispatcher interface)
    |-resources
        |-META-INF
            |-dubbo
                |-org.apache.dubbo.remoting.Dispatcher (plain text file, content: 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

Last modified January 2, 2023: Enhance en docs (#1798) (95a9f4f6c1)