[cdi-dev] Feedback from Devoxx

[Antonio Goncalves]

It won't be called "MDBs", just "Managed Listeners". The JMS spec will
still have listeners and now it will get managed listeners.

Antonio

On Mon, Nov 17, 2014 at 4:55 PM, Romain Manni-Bucau <rmannibucau at gmail.com>
wrote:

> 2014-11-17 16:53 GMT+01:00 Antonio Goncalves <antonio.goncalves at gmail.com
> >:
> > @Startup could also make sense in Concurrency in Java EE, like @Pooling
> > (there's thread pools behind).  BTW I was talking to the Oracle guys and
> it
> > looks like the Concurrency spec will be updated in EE 8... I don't know
> how
> > far the update will go.
> >
> > As for the JMS stuff, we talked with Nigel and he likes the idea of MDB
> > replacement going to where it belongs : the JMS spec
> >
>
> MDBs are not all JMS so IMO MDBs don't belong to JMS at all. Would be
> a big regression to do it. In particular when EE 8/9 will bring nicer
> connectors
>
> > Antonio
> >
> > On Mon, Nov 17, 2014 at 4:28 PM, arjan tijms <arjan.tijms at gmail.com>
> wrote:
> >>
> >> Hi,
> >>
> >> On Mon, Nov 17, 2014 at 2:57 PM, Antoine Sabot-Durand
> >> <antoine at sabot-durand.net> wrote:
> >> > Just to give you a small feedback of my Devoxx week regarding CDI and
> >> > CDI 2.0 (for the rest, what happens in Devoxx stays in Devoxx ;) )
> >> >
> >> > 1) Great expectations:
> >> > [...] (the question of total EJB replacement came more than once)
> >>
> >> I heard this a number of times as well, both before and during Devoxx.
> >>
> >> A great number of issues for decoupling EJB features (meaning,
> >> providing CDI based replacements) have already been created as spec
> >> issues:
> >>
> >> * Decoupling the @Schedule annotation from the EJB component model
> >> (EJB_SPEC-1)
> >> * Decoupling the TimerService API from the EJB component model
> >> (EJB_SPEC-2)
> >> * Decoupling the @Asynchronous annotation from the EJB component model
> >> (EJB_SPEC-3)
> >> * Decoupling the @Lock/@AccessTimeout annotations from the EJB
> >> component model (EJB_SPEC-4)
> >> * Decoupling the @Startup/@DependsOn annotations from the EJB
> >> component model (EJB_SPEC-19)
> >> * Standardize Pooling and Decouple from EJB Component Model
> (EJB_SPEC-113)
> >> * Redefine Message Driven Beans as Managed Beans (EJB_SPEC-18)
> >> * Standardize Abstractions for Common Message Processing Patterns
> >> (JMS_SPEC-154)
> >> * Allow Java EE components other than MDBs to consume messages
> >> asynchronously (JMS_SPEC-100)
> >> * Bind JMS to CDI events and/or business interfaces (JMS_SPEC-88)
> >> * Support for "self" injection (CDI-414)
> >> * Allow access-control related JSR-250 security annotations on managed
> >> beans (JAVASERVERFACES_SPEC_PUBLIC-495)
> >> * Support @RolesAllowed on a Servlet (SERVLET_SPEC-29)
> >>
> >>
> >> There are some additional features that may not yet have been covered
> >> (but maybe I missed them), such as:
> >>
> >> * Control over passivation
> >> * Support for the extended persistence context
> >> * Destroying a bean whenever an exception occurs (I was just working
> >> on this the other week)
> >> * Logging the exception thrown by a bean (yes, trivial, but part of EJB)
> >> * The concept where every method call on a proxy is routed to another
> >> bean instance, which is then automatically unavailable for other calls
> >> as long as it doesn't return (related to the "Standardize Pooling"
> >> issue)
> >> * Binary remoting without all the explicit mapping that's needed for
> >> say JAX-RS  (yes, thorny issue which we may not wish to support
> >> anymore?)
> >> * General support for @RolesAllowed/@RunAs etc (often mentioned, and
> >> two issues for JSF managed beans resp Servlets were created, but no
> >> general issue)
> >>
> >> The question is perhaps where all this functionality should live.
> >>
> >> TimerService and @Asynchronous in the concurrency spec?
> >> All JMS/messaging listener stuff (aka MDB replacements) in the JMS spec?
> >> @RolesAllowed etc in the security spec (if that spec will actually
> happen)
> >> @Startup in the CDI spec itself?
> >> Destroying bean on exception in CDI spec?
> >>
> >> But where should e.g. pooling belong?
> >>
> >> Kind regards,
> >> Arjan Tijms
> >> _______________________________________________
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> >>
> >> Note that for all code provided on this list, the provider licenses the
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> intellectual
> >> property rights inherent in such information.
> >
> >
> >
> >
> > --
> > Antonio Goncalves
> > Software architect, Java Champion and Pluralsight author
> >
> > Web site | Twitter | LinkedIn | Pluralsight | Paris JUG | Devoxx France
> >
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> > https://lists.jboss.org/mailman/listinfo/cdi-dev
> >
> > Note that for all code provided on this list, the provider licenses the
> code
> > under the Apache License, Version 2
> > (http://www.apache.org/licenses/LICENSE-2.0.html). For all other ideas
> > provided on this list, the provider waives all patent and other
> intellectual
> > property rights inherent in such information.
>



-- 
Antonio Goncalves
Software architect, Java Champion and Pluralsight author

Web site <http://www.antoniogoncalves.org> | Twitter
<http://twitter.com/agoncal> | LinkedIn <http://www.linkedin.com/in/agoncal> |
Pluralsight
<http://pluralsight.com/training/Authors/Details/antonio-goncalves> | Paris
JUG <http://www.parisjug.org> | Devoxx France <http://www.devoxx.fr>
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