[weld-dev] persistence and transactions outside Java EE

[Gavin King]

Dan, managed beans already support PC injection. I have to check, but  
I think they can even inject a UT. The only thing they don't have is  
declarative tx management.

Sent from my iPhone

On Nov 24, 2009, at 3:41 PM, Dan Allen <dan.j.allen at gmail.com> wrote:

>
>
> It's somewhat related....in terms of Resin, we actually don't have  
> such
> a thing as a traditional EJB container - we have "aspects" such as
> transactions delivered via meta-data (e.g. @TransactionAttribute), the
> aspects are bound to an underlying implementation (e.g. transaction
> manager) and can be used in any component model including managed  
> beans
> or EJB. The "EJB Lite" distinction is tenuous since you don't really
> need to use the EJB component model per se.
>
> To be honest, I'm kind of confused myself now. Circling back to my  
> initial argument, the two options we provide in Java EE at this  
> moment are:
>
> - a non-transactional "simple" managed bean or,
> - an EJB session bean (which is, by default, transactional, and more)
>
> So if the developer wants a transactional bean without using an EJB  
> container, they have to use some sort of framework (or portable CDI  
> extension) to get it. To me, that is where Java EE falls apart.  
> There needs to be some middle of the road that the developer can get  
> a transactional bean out of the box OR we just need to say, if you  
> want a transactional bean, you have to use EJB w/ at least EJB lite,  
> period.
>
> Why isn't the "simple" transactional bean something that Java EE can  
> provide. Clearly a use case is being ignored.
>
> -Dan
>
> p.s. The "simple" transactional bean would be a bean w/  
> @TransactionAttribute and somehow @PersistenceContext would be  
> supported on the bean.
>
> -- 
> Dan Allen
> Senior Software Engineer, Red Hat | Author of Seam in Action
> Registered Linux User #231597
>
> http://mojavelinux.com
> http://mojavelinux.com/seaminaction
> http://www.google.com/profiles/dan.j.allen
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