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Compiler Extension

Summary

Java compiler, used for byte code dynamic generation for RPC invocation.

Extension Interface

org.apache.dubbo.common.compiler.Compiler

Extension Configuration

No configuration required, the extension will be automatically discovered and loaded.

Existing Extensions

  • org.apache.dubbo.common.compiler.support.JdkCompiler
  • org.apache.dubbo.common.compiler.support.JavassistCompiler

Extension Guide

Directory layout:

src
 |-main
    |-java
        |-com
            |-xxx
                |-XxxCompiler.java (Compiler implementation)
    |-resources
        |-META-INF
            |-dubbo
                |-org.apache.dubbo.common.compiler.Compiler (plain text file with the content: xxx=com.xxx.XxxCompiler)

XxxCompiler.java：

package com.xxx;

import org.apache.dubbo.common.compiler.Compiler;

public class XxxCompiler implements Compiler {
    public Object getExtension(Class<?> type, String name) {
        // ...
    }
}

META-INF/dubbo/org.apache.dubbo.common.compiler.Compiler：

xxx=com.xxx.XxxCompiler