[webbeans-dev] Replacement pattern for Manager.getInstanceByType

David Allen drallendc at gmail.com
Thu May 28 11:51:01 EDT 2009


On Thu, 2009-05-28 at 11:43 -0400, Dan Allen wrote:
> On Thu, May 28, 2009 at 11:14 AM, Pete Muir <pmuir at redhat.com> wrote:
>         
>         On 28 May 2009, at 16:04, Dan Allen wrote:
>         
>         > On Thu, May 28, 2009 at 6:35 AM, Pete Muir
>         > <pmuir at redhat.com> wrote:
>         >         Yeah, this is used a lot in the TCK, and maybe a bit
>         >         in addons which enable injection in types WB doesn't
>         >         know about (?), but I don't think users will hit it.
>         > 
>         > Correct, users really should hit this. It's used heavily in
>         > tests, for instance in AbstractWebBeans tests. 
>         
>         
>         Hmm, yes you might well want to use this in a standalone, unit
>         test, environment as an entry point.
> 
> It would be great if we can add a convenience method to
> AbstractWebBeansTest. That would pretty much clear up any annoyances.

Yes, that is the plan.  Ditto for the TCK abstract test class.

>  
> 
>         
>         
>         > It is also used when you are entering from outside the WB
>         > environment. You get a handle to manager and lookup the type
>         > that gives you entry. For instance, you might look up the
>         > Identity component and then invoke some method on it which
>         > may trigger a chain of WB injections once "inside".
>         
>         
>         Yes, this is addon frameworks, not end users.
> 
> Yep, agreed. I've found that injection is sufficient for all but those
> "entry point" cases.
> 
> -Dan
> 
> 
> -- 
> Dan Allen
> Senior Software Engineer, Red Hat | Author of Seam in Action
> 
> http://mojavelinux.com
> http://mojavelinux.com/seaminaction
> http://in.relation.to/Bloggers/Dan
> 
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