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

Tomas Remes (JIRA) issues at jboss.org
Wed Jul 15 09:53:04 EDT 2015


Tomas Remes created CDI-542:
-------------------------------

             Summary: "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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