[seam-dev] @Current DependentType or Manager.getInstanceByType

[Gavin King]

I don't see a good reason to avoid the use of injection with the web
beans core, since it doesn't have the same performance implications.
Anyway, we could hardcode optimizations for commonly used types...

On Mon, Apr 27, 2009 at 1:00 PM, Dan Allen <dan.j.allen at gmail.com> wrote:
> In the development of Seam 3, when we need a reference to another component,
> which of the following should we be using (in general practice, not
> necessarily exclusively)?
>
> @Current Expressions expressions;
>
> or
>
> @Current Manager manager
> ...
> manager.getInstanceByType(Expressions.class)
>
> (bindings may exist too)
>
> The heavy use of statics in Seam made it a huge pain to setup for
> unit/multi-unit testing. It's a toss up for me w/ Seam 3 because while it is
> easy to inject a mock Expressions in a pure unit test (no Web Beans
> manager), it is arguably just as easy to inject a @Mock MockExpressions with
> the thin @Artifact test framework. I still like the idea of being able to go
> w/o the manager though.
>
> As a follow up question, when we do an injection, should it be private,
> package, or protected. Package seems to make the most sense now that it is
> easy for us to put tests in the same package. Private seems like a bad
> choice to me...with protected maybe a bit too exposed.
>
> -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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-- 
Gavin King
gavin.king at gmail.com
http://in.relation.to/Bloggers/Gavin
http://hibernate.org
http://seamframework.org