[cdi-dev] [VOTE] Using @Priority to order events instead of adding a parameter in @Observes

[Thorben Janssen]

+1 (for @Priority)

--
*Thorben Janssen*

@thjanssen123 <https://twitter.com/thjanssen123>
www.thoughts-on-java.org

2014-10-28 10:00 GMT+01:00 Antonio Goncalves <antonio.goncalves at gmail.com>:

> +1 (for @Priority)
>
> On Tue, Oct 28, 2014 at 9:56 AM, Antoine Sabot-Durand <
> antoine at sabot-durand.net> wrote:
>
>> 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)
>> Vote will be closed in 72 hours
>>
>>
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>
>
>
>
> --
> Antonio Goncalves
> Software architect, Java Champion and Pluralsight author
>
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