[cdi-dev] CDI have any plan to process Transaction?

[Pete Muir]

Thanks Dan :-)

http://in.relation.to/Bloggers/TransactionsForManagedBeans

On 30 Apr 2012, at 20:42, Dan Allen wrote:

> I molded this into a mini blog. Pete, if you are interested, feel free to post this as it will likely solve a wider misunderstanding from going around:
> 
> "A standard, universal @Transactional annotation is coming in Java EE 7. However, there are some important things to keep in mind:
> 
> - @Transactional *is* being developed as a revision to the JTA spec (as an MR)
> - @Transactional *is not* being developed by the CDI EG, nor will it be in the CDI spec
> - Feedback on @Transactional should be sent to the Java EE platform EG *not* to the CDI EG. The platform EG is conducting the revision to the JTA spec.
> 
> Java EE does not recognize a Servlet container as a compliant environment and therefore this feature will not be available there by default (mainly due to the absence of JTA in this environemnt).
> 
> However, to bridge the divide, Weld and OpenWebBeans will both likely offer support for @Transactional in a Servlet environment since we acknowledge that it *is* important, and is an environment preferred by many developers (but we still strongly urge you to migrate to the web profile!!)."
> 
> -Dan
> 
> On Mon, Apr 30, 2012 at 04:55, Pete Muir <pmuir at redhat.com> wrote:
> Just to be 100% clear, as there is a lot of confusion around this topic.
> 
> * @Transactional *IS NOT* being developed by the CDI EG nor will it be in the CDI spec
> * @Transactional *IS* being developed as a revision to the JTA spec (as a MR IIRC, but that was not my/our decision to make)
> * Feedback on @Trasnactional should be sent to the Java EE platform EG NOT to the CDI EG. The platform EG is conducting the revision to the JTA spec.
> 
> HTH!
> 
> On 30 Apr 2012, at 09:19, Pete Muir wrote:
> 
> >
> > On 29 Apr 2012, at 23:12, Dan Allen wrote:
> >
> >> Am I correct in saying that the annotation will control JTA
> >
> > Yes, this will be an amendment to the JTA spec AIUI. So back where it belongs!
> >
> >> and work in either of the two profiles (web and full)?
> >
> > We haven't discussed this, but I'm assuming both. I will raise this.
> >
> >>
> >> Btw, Java EE does not recognize a Servlet container as a compliant environment and therefore this feature will not be available there (without special support for it).
> >
> > Correct. Main obstacle is actually a lack of JTA there, rather than the declarative control… But I think OWB and Weld will both offer something here as we all regard it as important!
> >
> >>
> >> I agree with this stance since the web profile should be recognized as the low end environment. Otherwise there is not enough core services to provide a dependable and portable programming model. If you (general audience) want to use a Servlet container, you aren't using Java EE and will have to supplement with addons like CDI extensions or Spring.
> >>
> >> -Dan
> >>
> >> --
> >> Sent from my CyanogenMod-powered
> >> Android device, an open platform for
> >> carriers, developers and consumers.
> >>
> >> On Apr 27, 2012 4:54 AM, "Pete Muir" <pmuir at redhat.com> wrote:
> >> Java EE 7 will include @Transactional. This will be provided by the Java EE platform, rather than CDI specifically. It will be a CDI interceptor, and so enabled as other CDI interceptors are.
> >>
> >> On 24 Apr 2012, at 09:10, Hantsy Bai wrote:
> >>
> >>> Hi,
> >>>
> >>> I have read some content about the spec 1.1, but I want to know if there
> >>> is a plan to provide a new transaction annotation...for EBJ or none EJB
> >>> proramming.
> >>>
> >>> For example, provide a @Transactional annotation like Seam2 or Spring
> >>> 3.1...and make it work in Servlet container(none JTA transation, jdbc
> >>> only) or full profile container such as JBoss, Glassfish(JTA transaction
> >>> by default) seamlessly.
> >>>
> >>> Automatically detect the Transaction will be used, or configure in
> >>> beans.xml file.
> >>>
> >>>
> >>> Regards
> >>> Hantsy
> >>> _______________________________________________
> >>> cdi-dev mailing list
> >>> cdi-dev at lists.jboss.org
> >>> https://lists.jboss.org/mailman/listinfo/cdi-dev
> >>
> >>
> >> _______________________________________________
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> >> cdi-dev at lists.jboss.org
> >> https://lists.jboss.org/mailman/listinfo/cdi-dev
> >
> >
> > _______________________________________________
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> > cdi-dev at lists.jboss.org
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> 
> 
> 
> 
> -- 
> Dan Allen
> Principal Software Engineer, Red Hat | Author of Seam in Action
> Registered Linux User #231597
> 
> http://google.com/profiles/dan.j.allen
> http://mojavelinux.com
> http://mojavelinux.com/seaminaction
>