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

[Dan Allen (JIRA)]

@Handles parameter should be permitted in any parameter position
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                 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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