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From Romain Manni-Bucau <rmannibu...@gmail.com>
Subject Re: Design - CDI and worker threads
Date Thu, 10 Apr 2014 21:15:24 GMT
But not propagated in async pool..and not in ejb 3.1
Le 10 avr. 2014 20:54, "Mark Struberg" <struberg@yahoo.de> a écrit :

>
>
> Nope, not right.
> The CDI spec mandates that @RequestScoped is active for all EJB calls. And
> every subsequent invocation as well of course.
>
> LieGrue,
> strub
>
>
> On Thursday, 10 April 2014, 17:52, Romain Manni-Bucau <
> rmannibucau@gmail.com> wrote:
>
> actually @Asynch doesn't mandates to start cdi contexts so request
> >scopes can or not be here but transactions are handled if you remove
> >transaction management.
> >Romain Manni-Bucau
> >Twitter: @rmannibucau
> >Blog: http://rmannibucau.wordpress.com/
> >LinkedIn: http://fr.linkedin.com/in/rmannibucau
> >Github: https://github.com/rmannibucau
> >
> >
> >
> >
> >2014-04-10 17:49 GMT+02:00 Mark Struberg <struberg@yahoo.de>:
> >> Hi Lars-Fredrik!
> >>
> >> This is one of the rare situations where @Asynchronous is good
> >>
> >> @Stateless
> >> @TransactionManagement(TransactionManagementType.BEAN)
> >> public class ThreadExecutorEjb {
> >>
> >>     @Asynchronous
> >>     public void executeTask(Runnable work, Object config) {
> >>         work.run();
> >>     }
> >> }
> >>
> >> The problem with this approach is that WAS is _really_ picky (and far
> from
> >> the spec imo) when it comes to transactions.
> >> You might play a bit with the TransactionManagement and other stuff
> >> probably.
> >>
> >> LieGrue,
> >> strub
> >> On Thursday, 10 April 2014, 16:21, Romain Manni-Bucau
> >> <rmannibucau@gmail.com> wrote:
> >>
> >> Hmm deltaspike is a lib you can put in your app but if you really want
> >> to get rid of it you can copy
> >>
> https://git-wip-us.apache.org/repos/asf?p=deltaspike.git;a=blob;f=deltaspike/cdictrl/impl-owb/src/main/java/org/apache/deltaspike/cdise/owb/OpenWebBeansContextControl.java;h=9e8ba98d46abc3843e8e5b872c882989a98fe16a;hb=HEAD
> >> Romain Manni-Bucau
> >> Twitter: @rmannibucau
> >> Blog: http://rmannibucau.wordpress.com/
> >> LinkedIn: http://fr.linkedin.com/in/rmannibucau
> >> Github: https://github.com/rmannibucau
> >>
> >>
> >>
> >> 2014-04-10 15:52 GMT+02:00 Lars-Fredrik Smedberg <itsmeden@gmail.com>:
> >>> Hi
> >>>
> >>> Thanks for the hint, however I'm not able to use Deltaspike but only
> the
> >>> OpenWebbeans included with WebSphere 8.5.5.x...
> >>>
> >>> How can I do this with OpenWebbeans only?
> >>>
> >>> Regards
> >>> Lars-Fredrik
> >>>
> >>>
> >>> On Thu, Apr 10, 2014 at 3:47 PM, Romain Manni-Bucau
> >>> <rmannibucau@gmail.com>
> >>> wrote:
> >>>>
> >>>> Hi
> >>>>
> >>>> with CdiCtrl of deltaspike you can start/stop contexts. Decorate your
> >>>> executorService to do it and it should be fine:
> >>>> http://openwebbeans.apache.org/testing_cdictrl.html
> >>>> Romain Manni-Bucau
> >>>> Twitter: @rmannibucau
> >>>> Blog: http://rmannibucau.wordpress.com/
> >>>> LinkedIn: http://fr.linkedin.com/in/rmannibucau
> >>>> Github: https://github.com/rmannibucau
> >>>>
> >>>>
> >>>>
> >>>> 2014-04-10 15:37 GMT+02:00 Lars-Fredrik Smedberg <itsmeden@gmail.com
> >:
> >>>> > Hi
> >>>> >
> >>>> > If I within a thread wishes to start asynchronous "jobs" using
the
> >>>> > ExecutorService (and Executors.newFixedThreadPool(...)) and wait
for
> >>>> > the
> >>>> > Future-result within that same thread I run into the following
> >>>> > exception:
> >>>> >
> >>>> > "WebBeans context with scope type annotation @RequestScoped does
not
> >>>> > exist
> >>>> > within current thread"
> >>>> >
> >>>> > which is understandable since the managed bean passed used in the
> >>>> > Callable
> >>>> > passed to ExecutorService.submit(...) contains injected beans
> iteself
> >>>> > that
> >>>> > are @RequestScoped.
> >>>> >
> >>>> > Is there any way around this? Suggestions on changing the design
> >>>> > perhaps?
> >>>> >
> >>>> > Regards
> >>>> > Lars-Fredrik Smedberg
> >>>> >
> >>>> >
> >>>> > --
> >>>> > Med vänlig hälsning / Best regards
> >>>> >
> >>>> > Lars-Fredrik Smedberg
> >>>> >
> >>>> > STATEMENT OF CONFIDENTIALITY:
> >>>> > The information contained in this electronic message and any
> >>>> > attachments to this message are intended for the exclusive use
of
> the
> >>>> > address(es) and may contain confidential or privileged information.
> If
> >>>> > you are not the intended recipient, please notify Lars-Fredrik
> Smedberg
> >>>> > immediately at itsmeden@gmail.com, and destroy all copies of this
> >>>> > message and any attachments.
> >>>
> >>>
> >>>
> >>>
> >>> --
> >>> Med vänlig hälsning / Best regards
> >>>
> >>> Lars-Fredrik Smedberg
> >>>
> >>> STATEMENT OF CONFIDENTIALITY:
> >>> The information contained in this electronic message and any
> >>> attachments to this message are intended for the exclusive use of the
> >>> address(es) and may contain confidential or privileged information. If
> >>> you are not the intended recipient, please notify Lars-Fredrik Smedberg
> >>> immediately at itsmeden@gmail.com, and destroy all copies of this
> >>> message and any attachments.
> >>
> >>
> >
> >
>

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