Extension Point Loading Extensions

Extension Point Loading Extensions

Extension Description

The loading container for extension points, capable of loading extension points from different containers.

Extension Interface

org.apache.dubbo.common.extension.ExtensionFactory

Extension Configuration

  1. <dubbo:application compiler="jdk" />

Known Extensions

  • org.apache.dubbo.common.extension.factory.SpiExtensionFactory
  • org.apache.dubbo.config.spring.extension.SpringExtensionFactory

Extension Example

Maven project structure:

  1. src
  2.  |-main
  3.     |-java
  4.         |-com
  5.             |-xxx
  6.                 |-XxxExtensionFactory.java (implements ExtensionFactory interface)
  7.     |-resources
  8.         |-META-INF
  9.             |-dubbo
  10.                 |-org.apache.dubbo.common.extension.ExtensionFactory (plain text file, content: xxx=com.xxx.XxxExtensionFactory)

XxxExtensionFactory.java:

  1. package com.xxx;
  3. import org.apache.dubbo.common.extension.ExtensionFactory;
  5. public class XxxExtensionFactory implements ExtensionFactory {
  6.     public Object getExtension(Class<?> type, String name) {
  7.         // ...
  8.     }
  9. }

META-INF/dubbo/org.apache.dubbo.common.extension.ExtensionFactory:

  1. xxx=com.xxx.XxxExtensionFactory

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Last modified September 30, 2024: Update & Translate Overview Docs (#3040) (d37ebceaea7)