On 20/04/2010, at 8:15 PM, Pete Muir wrote:
> Yes, I agree. I had raised this issue during spec development -
that there was no truly stateless scope in CDI, where the bean instance
was created every time.
>
> I would like to hear from the 299 EG about this as well.
>
> On 20 Apr 2010, at 04:57, Stuart Douglas wrote:
>
>> I think that there is a real use case for something similar to
the @Unwrap feature of seam 2.
>>
>> I think that it would be possible to implement something like
this:
>>
>> @ConversationScoped
>> public class ManagedPersistenceContext
>> {
>>
>> EntityManager entityManager;
>>
>> @Unwrap
>> @SomeQualifier
>> public EntityManager produce(InjectionPoint injectionPoint)
>> {
>> entityManager.joinTransaction();
>> return entityManager;
>> }
>> }
>>
>> public class MyClass
>> {
>> @Inject @SomeQualifier EntityManager entityManager;
>> }
>>
>> the way I envisage this working is that a proxy gets injected
into MyClass, and this proxy calls ManagedPersistenceContext.produce to
resolve the correct EntityManager to pass the call to every time a
method is invoked on the proxy.
>>
>> I am pretty sure I can implement this in weld-extensions using
JDK proxies, does this sound like a good idea?
>>
>> Stuart
>> _______________________________________________
>> seam-dev mailing list
>>
seam-dev@lists.jboss.org
>>
https://lists.jboss.org/mailman/listinfo/seam-dev
>
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