[cdi-dev] [JBoss JIRA] Commented: (CDI-129) introduce @EnterpriseScoped (or similar)
Mark Struberg (JIRA)
jira-events at lists.jboss.org
Mon May 16 12:36:01 EDT 2011
[ https://issues.jboss.org/browse/CDI-129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12602349#comment-12602349 ]
Mark Struberg commented on CDI-129:
-----------------------------------
I checked the spec again, and the terminus technicus 'application' is used for all kinds of 'applcations'.
A few examples:
> An application that takes advantage of these services may be designed to execute in either the
> Java EE environment or the Java SE environment.
6.7.3:
> during the service() method of any servlet in the web application
also 6.7.3
> The application context is destroyed when the application is shut down.
There is a well defined webapp shutdown but nothing like that in the whole EE spec for EARs! Each EE Server has an own internal API for such things afaik.
also
> The application context is shared between all servlet requests, web service invocations, EJB remote
> method invocations, EJB asynchronous method invocations, EJB timeouts and message deliveries to
> message-driven beans that *execute within the same application*.
The important part here is *execute within the same application*
This part would not be needed if this would work across all the EAR anyway, isn't?
This is a pretty hairy area and I see that it's not so 100% clear. We should think really hard about how this is going to be used in real world projects.
> introduce @EnterpriseScoped (or similar)
> ----------------------------------------
>
> Key: CDI-129
> URL: https://issues.jboss.org/browse/CDI-129
> Project: CDI Specification Issues
> Issue Type: Feature Request
> Components: Contexts
> Affects Versions: 1.0
> Reporter: Mark Struberg
> Fix For: 1.1 (Proposed)
>
>
> Since @ApplicationScoped currently is defined in 6.5.2 as to be 'like in the Servlet specification' this means that you will get a new instance for every WebApplication (WAR file).
> There is currently no specified CDI scope for providing a single shared instance for a whole EAR.
> We could (ab-)use @Singleton for that, but this is currently not well defined at all.
> Alternatively we could introduce an own new annotation like @EnterpriseScoped or likes.
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