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

Pete Muir pmuir at redhat.com
Tue May 1 05:41:31 EDT 2012


Yes, that's possibly a better idea still :-D

On 30 Apr 2012, at 21:01, Dan Allen wrote:

> True, it could be a matter of packaging. We could include the necessary JAR files as part of the Servlet support in the respective distributions. In a sense, they would be "blessed" extensions, which is all any user really cares about (how else do they know what's in weld-servlet.jar, for example).
> 
> -Dan
> 
> On Mon, Apr 30, 2012 at 15:59, Mark Struberg <struberg at yahoo.de> wrote:
> Over in DeltaSpike we are currently discussing the jpa module. Plans are to implement it there as portable extension. I see no need why we need to duplicate the effort by implementing it in both Weld and OWB ;)
> 
> The big benefit of this approach is that this will also run on any CDI-1.0 container!
> 
> 
> LieGrue,
> strub
> 
> >________________________________
> > From: Dan Allen <dan.j.allen at gmail.com>
> >To: Pete Muir <pmuir at redhat.com>
> >Cc: cdi-dev at lists.jboss.org
> >Sent: Monday, April 30, 2012 9:42 PM
> >Subject: Re: [cdi-dev] CDI have any plan to process Transaction?
> >
> >
> >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
> >>>>
> >>>>
> >>>> _______________________________________________
> >>>> cdi-dev mailing list
> >>>> cdi-dev at lists.jboss.org
> >>>> https://lists.jboss.org/mailman/listinfo/cdi-dev
> >>>
> >>>
> >>> _______________________________________________
> >>> cdi-dev mailing list
> >>> cdi-dev at lists.jboss.org
> >>> https://lists.jboss.org/mailman/listinfo/cdi-dev
> >>
> >>
> >
> >
> >
> >--
> >
> >Dan AllenPrincipal 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
> >
> >
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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
> 
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