Exchanger Extension

Summary

Exchange message between request and response on network transport layer.

Extension Interface

  • com.alibaba.dubbo.remoting.exchange.Exchanger
  • com.alibaba.dubbo.remoting.exchange.ExchangeServer
  • com.alibaba.dubbo.remoting.exchange.ExchangeClient

Extension Configuration

<dubbo:protocol exchanger="xxx" />
<!-- default configuration, will take effect if exchanger attribute is not set in <dubbo:protocol> -->
<dubbo:provider exchanger="xxx" />

Existing Extension

com.alibaba.dubbo.remoting.exchange.exchanger.HeaderExchanger

Extension Guide

Directory layout:

src
 |-main
    |-java
        |-com
            |-xxx
                |-XxxExchanger.java (Exchanger implementation)
                |-XxxExchangeServer.java (ExchangeServer implementation)
                |-XxxExchangeClient.java (ExchangeClient implementation)
    |-resources
        |-META-INF
            |-dubbo
                |-com.alibaba.dubbo.remoting.exchange.Exchanger (plain text file with the content: xxx=com.xxx.XxxExchanger)

XxxExchanger.java:

package com.xxx;

import com.alibaba.dubbo.remoting.exchange.Exchanger;


public class XxxExchanger implements Exchanger {
    public ExchangeServer bind(URL url, ExchangeHandler handler) throws RemotingException {
        return new XxxExchangeServer(url, handler);
    }
    public ExchangeClient connect(URL url, ExchangeHandler handler) throws RemotingException {
        return new XxxExchangeClient(url, handler);
    }
}

XxxExchangeServer.java:


package com.xxx;

import com.alibaba.dubbo.remoting.exchange.ExchangeServer;

public class XxxExchangeServer impelements ExchangeServer {
    // ...
}

XxxExchangeClient.java:

package com.xxx;

import com.alibaba.dubbo.remoting.exchange.ExchangeClient;

public class XxxExchangeClient impelments ExchangeClient {
    // ...
}

META-INF/dubbo/com.alibaba.dubbo.remoting.exchange.Exchanger:

xxx=com.xxx.XxxExchanger

results matching ""

    No results matching ""