+1 for 1)

Unlike @Inject the Maven JAR for JSR-250 is a bit bigger (~20kb) but there are existing dependencies that are not part of the JDK, most notably JSR-330.

Not sure, if subpackages like "security" or "sql" under 250 matter at all, if not, we could explore if the ideas for "stripping" libraries proposed by Oracle may also work for SE/EE. This was discussed by OpenJDK architects including Mark Reinhold with the EC. So far no real progress on that, but till this JSR goes final or EE 8 it could work to get dependencies a bit lighter, too.

It is likely, some annotation JSRs not just 250 need overhaul, e.g. to finally make use of JSR-308, so an MR for 250 could be cumbersome, but seems much easier here than e.g. bringing JSR-305 back to life;-)

Werner



On Tue, Oct 28, 2014 at 9:58 AM, <cdi-dev-request@lists.jboss.org> wrote:
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Today's Topics:

   1. Re: microbenchmark for CDI performance (Mohan Radhakrishnan)
   2. [VOTE] Using @Priority to order events instead of adding  a
      parameter in @Observes (Antoine Sabot-Durand)
   3. No meeting tomorrow (Antoine Sabot-Durand)
   4. Updated Invitation: CDI weekly meeting @ Weekly from 18:00 to
      19:00 on Wednesday except Wed 1 Oct 18:00, Wed 15 Oct 18:00 or
      Wed 29 Oct 18:00 (ASD Perso) (antoine@sabot-durand.net)


----------------------------------------------------------------------

Message: 2
Date: Tue, 28 Oct 2014 09:56:14 +0100
From: Antoine Sabot-Durand <antoine@sabot-durand.net>
Subject: [cdi-dev] [VOTE] Using @Priority to order events instead of
        adding  a parameter in @Observes
To: cdi-dev <cdi-dev@lists.jboss.org>
Message-ID: <ECAAD9B3-649C-4856-BB24-82AB9EF41763@sabot-durand.net>
Content-Type: text/plain; charset=utf-8

To add events ordering feature we have two choices:

1) Use @Priority from common annotation specification (JSR-250)  (vote +1)
pros:
- more consistent with other ordering mechanism we already have in CDI (Interceptors, decorators, Alternatives)
- more Java EE consistent

cons:
- time consumed in JSR 250 MR participation (@Priority must be update to support parameter for target)
- as @Priority is not part of Java SE, CDI light on java SE will have to add the jsr250 jar as dependency only to have this annotation (which will make it a little less light)

2) Add a parameter to @Observes annotation to give order to an observer (vote -1)
pros:
- works out of the box (we can add this property without ask for other specs modification)
- avoid two annotations to declare an ordered observer (simpler usage)

cons:
- less Java EE spirit
- could be seen as an inconsistency with the way we order Interceptors, Decorators and Alternatives.

????????????????????

Who can vote?  Everybody registered to this ML can vote. All votes will be binding
How to vote? Answer this mail and vote +1 (for @Priority) 0 or -1(for parameter in @Observes)
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