[cdi-dev] [JBoss JIRA] (CDI-542) "10.2.2. Firing events asynchronously" update/enhancements

Tomas Remes (JIRA) issues at jboss.org
Wed Jul 15 09:54:01 EDT 2015

    [ https://issues.jboss.org/browse/CDI-542?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13089710#comment-13089710 ] 

Tomas Remes commented on CDI-542:

This is more my personal feeling/opinion...Maybe I am too bad interpreter.:)

> "10.2.2. Firing events asynchronously" update/enhancements
> ----------------------------------------------------------
>                 Key: CDI-542
>                 URL: https://issues.jboss.org/browse/CDI-542
>             Project: CDI Specification Issues
>          Issue Type: Feature Request
>    Affects Versions: 2.0-EDR1
>            Reporter: Tomas Remes
>            Priority: Minor
> This chapter (similar as the preceding) defines in general what does it mean to "fire an event" (sync vs async). Let say I am ordinary reader reading the spec from the beginning and I come to this chapter. 
> First of all I guess I will struggle little bit with the notion of ??resolved synchronous observers?? (vs ??resolved asynchronous observers??) 
> I think the following important information from "10.3. Observer resolution" could be mentioned earlier or some general description/example could be handy:
> {quote}
> * The event is fired synchronously and the observer is defined with @Observes.
> * The event is fired asynchronously and the observer is defined with @Observes or @ObservesAsync.
> {quote}
> Second there is following sentence which TBH I have had fairly hard times to understand:
> {quote}
> If synchronous observer have to be notified, fireAsync returns immediately after the last synchronous observer has returned. Otherwise it returns immediately.
> {quote}
> ...and is IMO wrong. There should be "observers have to be" or "observer has to be" and it could be bit more explanatory. 

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