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

Tue May 1 05:53:23 EDT 2012

How do you mean?

On 1 May 2012, at 10:49, Hantsy Bai wrote:

> I do not understand why introduce @Transational in JEE7 but it  still 
> align with JTA.
> 
> On 5/1/2012 17:41, Pete Muir wrote:
>> 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
>>>>>>> 
>>>>>>> _______________________________________________
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>>>>>> 
>>>>>> _______________________________________________
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>>>>> 
>>>> 
>>>> 
>>>> --
>>>> 
>>>> 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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>> 
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