From 87267155edb2425981281d4e4c5fe833ebca3d0f Mon Sep 17 00:00:00 2001 From: Decebal Suiu Date: Mon, 10 Mar 2014 13:28:42 +0200 Subject: [PATCH] add reference to Annotation Processing --- README.md | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index 240a4f9..ec87e2b 100644 --- a/README.md +++ b/README.md @@ -102,7 +102,10 @@ You can define an extension point in your application using **ExtensionPoint** i } Another important internal component is **ExtensionFinder** that describes how the plugin manager discovers extensions for the extensions points. -**DefaultExtensionFinder** looks up extensions using **Extension** annotation. You can control extension instance creation overriding `createExtensionFactory` method from DefaultExtensionFinder. +**DefaultExtensionFinder** looks up extensions using **Extension** annotation. +DefaultExtensionFinder looks up extensions in all extensions index files `META-INF/extensions.idx`. PF4J uses Java Annotation Processing to process at compile time all classes annotated with @Extension and to produce the extensions index file. + +You can control extension instance creation overriding `createExtensionFactory` method from DefaultExtensionFinder. public class WelcomePlugin extends Plugin {