[cdi-dev] [JBoss JIRA] (CDI-354) Inappropriate payload of the @Initialized(ConversationScoped.class) event

Jozef Hartinger (JIRA) jira-events at lists.jboss.org
Sat Mar 16 12:31:41 EDT 2013

Jozef Hartinger created CDI-354:

             Summary: Inappropriate payload of the @Initialized(ConversationScoped.class) event
                 Key: CDI-354
                 URL: https://issues.jboss.org/browse/CDI-354
             Project: CDI Specification Issues
          Issue Type: Bug
          Components: Contexts
    Affects Versions: 1.1.PFD
            Reporter: Jozef Hartinger
            Assignee: Pete Muir
            Priority: Blocker
             Fix For: 1.1.FD

An event with qualifier @Initialized(ConversationScoped.class) is fired when the conversation context is initialized
and an event with qualifier @Destroyed(ConversationScoped.class) is fired when the conversation is destroyed.

The event payload is:
• the conversation id if the conversation context is destroyed and is not associated with a current Servlet request, or
• the ServletRequestEvent if the application is a web application deployed to a Servlet container, or
• any java.lang.Object for other types of application.

The conversation context is supposed to be activated in a container-provided filter with the name "CDI Conversation Filter". A Servlet Filter itself does not have access to a ServletRequestEvent instance (that is only available to ServletRequestListeners). Therefore, the implementation would either have to re-create the instance by combining ServletRequest and ServletContext or propagate the ServletRequestEvent from a ServletRequestListener.

>From an application point of view, ServletRequest is the only interesting property of ServletRequestEvent anyway. Therefore, I suggest to change the wording of the spec to specify ServletRequest (or HttpServletRequest) as the payload of @Initialized(ConversationScoped.class) and @Destroyed(ConversationScoped.class) events.

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