[weld-dev] PostConstruct & PreDestroy in Java SE

[Kristoffer Sjögren]

Ok that make sense. Thanks for the clarification!


On Fri, Sep 6, 2013 at 4:17 PM, Martin Kouba <mkouba at redhat.com> wrote:

> javax.inject.Singleton was never supported in CDI 1.0 and 1.1 (final
> versions). So it actually cannot be abandoned by CDI :-). But yes, I
> think we should deprecate its usage in Weld API and remove the mentioned
> chapter from docs. So that only @ApplicationScoped beans should be used.
>
> Martin
>
> Dne 6.9.2013 15:40, Kristoffer Sjögren napsal(a):
> > Do you mean that Singleton should be abandoned by CDI? Or do you mean to
> > clarify its role and/or implement proper lifecycle support for them?
> >
> >
> > On Fri, Sep 6, 2013 at 2:31 PM, Martin Kouba <mkouba at redhat.com
> > <mailto:mkouba at redhat.com>> wrote:
> >
> >     Actually there's no singleton scope and corresponding built-in
> context
> >     defined in the CDI spec. Though Weld API contains
> >     org.jboss.weld.context.SingletonContext. Also the docs are outdated
> >     (chapter 5.4. The singleton pseudo-scope). I think relevant classes
> >     should be deprecated and the docs updated.
> >
> >     With regard to lifecycle callbacks - Weld only invalidates
> application
> >     context during shutdown right now [1].
> >
> >     Martin
> >
> >     [1]
> >
> https://github.com/weld/core/blob/master/impl/src/main/java/org/jboss/weld/bootstrap/WeldRuntime.java#L56
> >
> >     Dne 6.9.2013 14:09, Kristoffer Sjögren napsal(a):
> >     > Hi
> >     >
> >     > We're running Weld 2.0.3.Final in a Java SE environment and have
> >     > encountered a precarious situation where it seems like Weld is not
> >     > consistent in handling the lifecycle of singleton beans.
> >     >
> >     > We have singleton beans with @PostConstruct and @PreDestroy
> methods.
> >     > During Weld.initialize() all @PostConstruct methods are called. But
> >     > during @PreDestroy methods are never called during Weld.shutdown().
> >     > @PreDestroy is only called on beans which are @ApplicationScoped.
> >     >
> >     > Is this according to specification or a bug?
> >     >
> >     > Cheers,
> >     > -Kristoffer
> >     >
> >     >
> >     > _______________________________________________
> >     > weld-dev mailing list
> >     > weld-dev at lists.jboss.org <mailto:weld-dev at lists.jboss.org>
> >     > https://lists.jboss.org/mailman/listinfo/weld-dev
> >     >
> >
> >
>
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