[cdi-dev] [JBoss JIRA] (CDI-698) Ordering of Async Events

[Matej Novotny (JIRA)]

    [ https://issues.jboss.org/browse/CDI-698?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13382080#comment-13382080 ] 

Matej Novotny commented on CDI-698:
-----------------------------------

Hmm, my two cents:
* If you *feel* you are blocked waiting for the result of async observer (e.g. want to make sure certain observer goes first), then it would, perhaps, be better to use a sync event/observer for that.
* Also, we allow to provide custom executors - I cannot really see how we make sure those exectutors take this into consideration.
* Last but not least I think this ruins the idea of async which is "fire and forget".

> Ordering of Async Events
> ------------------------
>
>                 Key: CDI-698
>                 URL: https://issues.jboss.org/browse/CDI-698
>             Project: CDI Specification Issues
>          Issue Type: Feature Request
>    Affects Versions: 2.0 .Final
>            Reporter: John Ament
>
> Async Events don't presently support ordering.  When the number of observers grows, and is larger than the number of available threads, I may wan to have events follow a certain order, to ensure my more important observers are seen first.



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