[cdi-dev] [JBoss JIRA] (CDI-633) Introduce BeanManager.event()

[Sven Linstaedt (JIRA)]

    [ https://issues.jboss.org/browse/CDI-633?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13304796#comment-13304796 ] 

Sven Linstaedt commented on CDI-633:
------------------------------------

Some enhancement like that, yeah. A similar solution was already stated in CDI-493 and CDI-516. This new API enhancement should accept any {{java.lang.reflect.Type}}, that does not contain a TypeVariable, but will throw an {{IllegalArgumentException}} otherwise. Of course only the raw type of the event object could only be checked against the type parameter for consistency, so we loose a good amount of type safety here. But as these API is primary meant to be used by extensions like the majority of {{BeanManager}} methods, at least I am fine with it. 

In addition the original methods ({{fireEvent(event, qualifiers)}} and {{resolveObserverMethods(event, qualifiers)}}) must be kept for backward compability and probably will keep the use the event object's class for resolution, which implies the event class must not have any type variable as this will cause the documented {{IllegalArgumentException}}.

> Introduce BeanManager.event()
> -----------------------------
>
>                 Key: CDI-633
>                 URL: https://issues.jboss.org/browse/CDI-633
>             Project: CDI Specification Issues
>          Issue Type: Feature Request
>            Reporter: Martin Kouba
>             Fix For: 2.0 .Final
>
>
> * this would allow to define the _specified type_ - the container may use the specified type to infer the parameterized type of the event types
> * the method should return {{javax.enterprise.event.Event<Object>}} with no qualifiers



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