[cdi-dev] @New and producer methods/fields

[Pete Muir]

Section 3.12 states "For each managed bean, and for each session bean, a second bean exists which:"

So, there are no @New beans for producers.

What is the use case you are trying to address?

On 24 Sep 2011, at 11:35, Mark Struberg wrote:

> Hi folks!
> 
> We recently talked about ways to properly destroy beans which got created via Instance or @New.
> I just realized that only having 
> @Inject @New MyClass dings; 
> might not be enough. 
> 
> Imagine you have 2 producer methods which create EntityManagers 
> 
> public class EntityManagerProducer {   
>     @Produces @RequestScoped @UserDb
>     public void createUserDbEm() {
>         return entityManagerFactory.createEntityManager("userdb");
>     }     
>     
>     @Produces @RequestScoped @AdminDb
>     public void createAdminDbEm() {
>         return entityManagerFactory.createEntityManager("admindb");
>     }     
> }
> 
> If I need a 'temporarily self managed' userdb EntityManager, I cannot just
> type 
> @Inject @New @UserDb EntityManager userDbEm;
> because according to the spec there is only 1 Bean with exactly @New (and none with additional @UserDb)
> The @New is basically useless for producer methods, isn't?
> 
> Do we like to address this somehow?
> 
> LieGrie,
> strub
> 
> 
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