[webbeans-dev] Re: Rough draft proposal for resource injection

[Gavin King]

Here's a second draft (still rough) that incorporates persistence
contexts and units into the same approach.

On Fri, Jan 9, 2009 at 12:47 AM, Gavin King <gavin at hibernate.org> wrote:
> Everyone, please take a look at section 3.6 of this spec draft, which
> defines a proposal for EE resource injection.
>
> Basically, what I've proposed is that web beans would let you rewrite
> the following:
>
>   @Resource(mappedName="customerDatabase") Datasource ds;
>
> as:
>
>   @CustomerDatabase Datasource ds;
>
>   <javaxsql:Datasource>
>      <Resource>
>         <mappedName>customerDatabase</mappedName>
>      </Resource>
>      <myapp:CustomerDatabase/>
>   </javaxsql:Datasource>
>
> and:
>
>   @EJB(ejbLink="somejar#Foo") Foo foo;
>
> as:
>
>   @Current Foo foo;
>
>   <myapp:Foo>
>      <EJB>
>         <ejbLink>somejar#Foo</ejbLink>
>      </EJB>
>   </myapp:Foo>
>
> and:
>
>   @WebServiceRef(name="barbar", wsdlLocation="barbarbar") Bar bar;
>
> as:
>
>   @Current Bar bar;
>
>   <myapp:Bar>
>      <WebServiceRef>
>         <name>barbar</name>
>         <wsdlLocation>barbarbar</wsdLocation>
>      </WebServiceRef>
>   </myapp:Bar>
>
> So this proposal is just basically an indirection around the
> pre-existing semantics of Java EE injection, that gives you all the
> nice Web Beans typesafety.
>
> This seems a really nice, easy way to define this stuff, and I love
> how the XML looks.
>
> --
> Gavin King
> gavin.king at gmail.com
> http://in.relation.to/Bloggers/Gavin
> http://hibernate.org
> http://seamframework.org
>



-- 
Gavin King
gavin.king at gmail.com
http://in.relation.to/Bloggers/Gavin
http://hibernate.org
http://seamframework.org
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