[seam-issues] [JBoss JIRA] Commented: (SEAMCATCH-39) @Handles parameter should be permitted in any parameter position

[Dan Allen (JIRA)]

    [ https://issues.jboss.org/browse/SEAMCATCH-39?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12573680#comment-12573680 ] 

Dan Allen commented on SEAMCATCH-39:
------------------------------------

Great work! I love the tests! Keep them coming!

> @Handles parameter should be permitted in any parameter position
> ----------------------------------------------------------------
>
>                 Key: SEAMCATCH-39
>                 URL: https://issues.jboss.org/browse/SEAMCATCH-39
>             Project: Seam Catch
>          Issue Type: Bug
>          Components: Core Implementation
>    Affects Versions: 3.0.0.Alpha3
>            Reporter: Dan Allen
>            Assignee: Jason Porter
>             Fix For: 3.0.0.Alpha4
>
>
> To be consist with CDI observers, the @Handles parameter should be allowed to be used in any position in the list of method arguments. The only restriction is that there is exactly one parameter annotated with @Handles (and it must be of type CaughtException).
> Here is the relevant section on observer methods for reference:
> "10.4.2. Declaring an observer method
> An observer method may be declared by annotating a parameter @javax.enterprise.event.Observes. That parameter is the event parameter. The declared type of the parameter is the observed event type. If a method has more than one parameter annotated @Observes, the container automatically detects the problem and treats
> it as a definition error."
> So we should allow:
> public void handle(BeanManager, @Handles CaughtException<Exception> ex) {}

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