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@priority is used to priorityze interceptors in Java EE 7. It would be interesting to spread this feature to other components in Java EE 8, for example @singleton & @WebServlet.
@Singleton
@Startup
@Priority(100)
public class MyVeryFirstSingleton {}
@Singleton
@Startup
@Priority(4500)
public class MyVeryLastSingleton {}
The text was updated successfully, but these errors were encountered:
ldemichiel said:
Just to clarify.... Did you mean for example prioritizing amongst the startup of other singletons, or prioritizing more globally (i.e., the whole startup order of the application)? If the former (i.e., prioritizing singletons amongst singletons; etc.), could you please re-file the appropriate issues for the individual expert groups.
agoncal said:
The title of the JIRA is maybe not appropriate, as it could have been "Being able to prioritize Java EE components when ordered is needed". So yes, this topic is first to be debated in the Java EE expert group, and then push it to the other specs.
agoncal said:
As discussed with Linda, here is how she rephrase it :
(1) Various expert groups should evaluate how they can leverage
the @priority annotation. For example, EJB could use it to
order the startup of singleton beans; Servlet could use it to
order the invocation of Filters;.... [I.e., the annotation would be
used to order within particular managed classes, beyond those we
already support its use on.]
OR
(2) @priority could be used to prioritize the startup order of
the application. For example, EJB singletons would be started
before the JPA EntityManagerFactory was initialized, ....
[I.e., the annotation would be used to order more globally within
the application.]
I think we should, at least, do 1) but of course 2) will be better
Following the thread http://java.net/projects/javaee-spec/lists/users/archive/2012-12/message/17
@priority is used to priorityze interceptors in Java EE 7. It would be interesting to spread this feature to other components in Java EE 8, for example @singleton & @WebServlet.
The text was updated successfully, but these errors were encountered: