[cdi-dev] [JBoss JIRA] (CDI-541) Ordering of async observers (vs sync observers) is not specified

[Tomas Remes (JIRA)]

Tomas Remes created CDI-541:
-------------------------------

             Summary: Ordering of async observers (vs sync observers) is not specified
                 Key: CDI-541
                 URL: https://issues.jboss.org/browse/CDI-541
             Project: CDI Specification Issues
          Issue Type: Feature Request
          Components: Events
    Affects Versions: 2.0-EDR1
            Reporter: Tomas Remes


I think this needs to be specified. E.g. what happens if I fire async event and have more matching sync and async observers? Are all sync observes called first in given order with no regard to async observers priority? 
For example:
{{event.fireAsync(new Message());}}

{code}
public class First {
  
   void observeMessage(@Observes @Priority(2000) Message message){} 
}
{code}

{code}
public class Second {
  
   void observeMessage(@ObservesAsync @Priority(2100) Message message){} 
}
{code}

{code}
public class Third {
  
   void observeMessage(@Observes @Priority(2200) Message message){} 
}
{code}
What will be the order in this case? First, Second, Third? First, Third, Second?






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