ProxyFactory Extension

    Summary

    Convert Invoker into business interface.

    Extension Interface

    org.apache.dubbo.rpc.ProxyFactory

    Extension Configuration

    <dubbo:protocol proxy="xxx" />
    <!-- default configuration, it will take effect when proxy attribute is not configured in <dubbo:protocol> -->
    <dubbo:provider proxy="xxx" />
    

    Existing Extension

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

    Extension Guide

    Directory layout:

    src
     |-main
        |-java
            |-com
                |-xxx
                    |-XxxProxyFactory.java (ProxyFactory implementation)
        |-resources
            |-META-INF
                |-dubbo
                    |-org.apache.dubbo.rpc.ProxyFactory (plain text file with the 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