Exchanger Extension
Summary
Exchange message between request and response on network transport layer.
Extension Interface
org.apache.dubbo.remoting.exchange.Exchanger
org.apache.dubbo.remoting.exchange.ExchangeServer
org.apache.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
org.apache.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
|-org.apache.dubbo.remoting.exchange.Exchanger (plain text file with the content: xxx=com.xxx.XxxExchanger)
XxxExchanger.java:
package com.xxx;
import org.apache.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 org.apache.dubbo.remoting.exchange.ExchangeServer;
public class XxxExchangeServer impelements ExchangeServer {
// ...
}
XxxExchangeClient.java:
package com.xxx;
import org.apache.dubbo.remoting.exchange.ExchangeClient;
public class XxxExchangeClient impelments ExchangeClient {
// ...
}
META-INF/dubbo/org.apache.dubbo.remoting.exchange.Exchanger:
xxx=com.xxx.XxxExchanger
Last modified December 22, 2020: clean up website (6e41905afa)