[webbeans-dev] Re: Rough draft proposal for resource injection
Gavin King
gavin at hibernate.org
Fri Jan 9 05:44:19 EST 2009
Now here's a much more complete proposal that also makes the JMS
resource stuff follow the new approach.
Look at the following sections:
3.6
3.7.2
6.8
10.3
Seems to be working out very nicely. I really hope you guys like it.
On Fri, Jan 9, 2009 at 2:24 AM, Gavin King <gavin at hibernate.org> wrote:
> 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
>
--
Gavin King
gavin.king at gmail.com
http://in.relation.to/Bloggers/Gavin
http://hibernate.org
http://seamframework.org
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