Dynamic Proxy Extension

Expansion Description

Convert the Invoker interface into a business interface.

Extension ports

org.apache.dubbo.rpc.ProxyFactory

Extended configuration

<dubbo:protocol proxy="xxx" />
<!-- Default value configuration, when <dubbo:protocol> does not configure proxy attribute, use this configuration -->
<dubbo:provider proxy="xxx" />

Known extensions

  • org.apache.dubbo.rpc.proxy.JdkProxyFactory
  • org.apache.dubbo.rpc.proxy.JavassistProxyFactory

Extended example

Maven project structure:

src
 |-main
    |-java
        |-com
            |-xxx
                |-XxxProxyFactory.java (implement ProxyFactory interface)
    |-resources
        |-META-INF
            |-dubbo
                |-org.apache.dubbo.rpc.ProxyFactory (plain text file, content: xxx=com.xxx.XxxProxyFactory)

XxxProxyFactory.java:

package com.xxx;
 
import org.apache.dubbo.rpc.ProxyFactory;
import org.apache.dubbo.rpc.Invoker;
import org.apache.dubbo.rpc.RpcException;
 
 
public class XxxProxyFactory implements ProxyFactory {
    public <T> T getProxy(Invoker<T> invoker) throws RpcException {
        //...
    }
    public <T> Invoker<T> getInvoker(T proxy, Class<T> type, URL url) throws RpcException {
        //...
    }
}

META-INF/dubbo/org.apache.dubbo.rpc.ProxyFactory:

xxx=com.xxx.XxxProxyFactory

Last modified January 2, 2023: Enhance en docs (#1798) (95a9f4f6c)