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From "Sebastian Hennebrueder (JIRA)" <j...@apache.org>
Subject [jira] Commented: (TAP5-335) Provide access to annotations of service implementation class
Date Wed, 02 Sep 2009 15:47:33 GMT

    [ https://issues.apache.org/jira/browse/TAP5-335?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12750494#action_12750494

Sebastian Hennebrueder commented on TAP5-335:

I can not comment on how to solve this, but on what I was missing when evaluating Tapestry.

I prefer to put annotations in the class and didn't manage to extend Tapestry-IOC in a way
to achieve this

> Provide access to annotations of service implementation class
> -------------------------------------------------------------
>                 Key: TAP5-335
>                 URL: https://issues.apache.org/jira/browse/TAP5-335
>             Project: Tapestry 5
>          Issue Type: Improvement
>          Components: tapestry-ioc
>    Affects Versions: 5.0.15
>            Reporter: Lubor Gajda
> In some situations it would be useful to have direct access to annotations of service
implementation class. This would allow us, during registry startup, detect services with some
specific class or method level annotations and take related actions. 
> For instance imagine tapestry-quartz integration based on simple declarative
> mechanism where it would be possible to use something like this:
> public class MyServiceImpl implements MyService {
>   @Scheduled(cronExpression="0/5 * * * * ?")
>   public void myMethod() {
>     ...
>   }
> }
> and framework would be able, during registry startup, automatically detect all service
methods annotated by @Scheduled annotation and register them in the scheduler.
> I see two possible solutions:
> 1. Modify ServiceDef to hold information about service implementation class.
> 2. Service proxy could inherit all annotations from service implementation
> class, then we would be able to check annotations directly on service proxy.
> But maybe there is another, more elegant solution.
> For more details see thread:
> http://thread.gmane.org/gmane.comp.java.tapestry.user/67116/focus=67116

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