+1, thanks Arne

Romain Manni-Bucau
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Le dim. 10 oct. 2021 à 20:02, Arne Limburg <arne.limb...@openknowledge.de>
a écrit :

> Yes, basically that’s my option 2. I am currently implementing it.
> Feel free to review it, when I have pushed it.
>
> Cheers,
> Arne
>
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> >
>
> Von: Romain Manni-Bucau <rmannibu...@gmail.com>
> Datum: Sonntag, 10. Oktober 2021 um 18:32
> An: openwebbeans-dev <dev@openwebbeans.apache.org>
> Betreff: Re: OWB-1393
> Hmm,
>
> Maybe I misread the options (or misinterpreted them) but think we should:
>
> 1. Register all extensions without any fire
> 2. Start firing events
>
> 2. Means we keep the lazy resolution of observers and can destroy/reset the
> cache after afterdeploymentvalidation event.
>
>
> No?
>
> Le dim. 10 oct. 2021 à 18:03, Arne Limburg <arne.limb...@openknowledge.de>
> a écrit :
>
> > Hi,
> >
> > you can fire any Event from extensions and listen to any event in
> > extensions with every of the three options.
> > The first option would have the disadvantage that an extension, that
> > listens to ProcessObserverMethod would not receive the
> > ProcessObserverMethod event for non-lifecycle observer methods of other
> > extensions, which would not be a problem I guess (also I don’t know what
> > the spec says about it).
> >
> > Imho the second option would be the cleanest. It would basically mean:
> > First register every lifecycle event observer of every extension, then
> > register every non-lifecycle event of every extension (and fire
> > ProcessObserverMethod for every of that observer methods). This would be
> > valid, too. But it’s the hardest option to implement with the current
> code
> > base.
> >
> > The third variant would mean, that ProcessObserverMethod would be thrown
> > again, but not every extension would get every ProcessObserverMethod
> event
> > for every non-lifecycle-event of other extensions (which again should be
> no
> > problem). Or we should disable that cache completely during extension
> > registration.
> >
> > Writing that, I will take a deeper look at variant two or three.
> >
> > Cheers,
> > Arne
> >
> > OPEN KNOWLEDGE GmbH
> > Poststraße 1, 26122 Oldenburg
> > Mobil: +49 151 - 108 22 942
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> >
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> > >
> >
> > Von: Romain Manni-Bucau <rmannibu...@gmail.com>
> > Datum: Sonntag, 10. Oktober 2021 um 17:39
> > An: openwebbeans-dev <dev@openwebbeans.apache.org>
> > Betreff: Re: OWB-1393
> > Hi
> >
> > 3 sounds the only valid option since it is valid and used to fire any
> event
> > in extensions and is used to communicate between them from time to time.
> >
> > Hope it helps.
> >
> > Le dim. 10 oct. 2021 à 13:57, Arne Limburg <
> arne.limb...@openknowledge.de>
> > a écrit :
> >
> > > FYI,
> > > I now went with solution 1 and pushed it to a branch. If there are no
> > > objections, I’ll merge it tomorrow or so.
> > >
> > > Cheers,
> > > Arne
> > >
> > > OPEN KNOWLEDGE GmbH
> > > Poststraße 1, 26122 Oldenburg
> > > Mobil: +49 151 - 108 22 942
> > > Tel: +49 441 - 4082-154
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> > > www.openknowledge.de<<http://www.openknowledge.de%3c<
> http://www.openknowledge.de%3c%3chttp:/www.openknowledge.de%3c>>
> > >
> >
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> > > >
> > >
> > > Von: Arne Limburg <arne.limb...@openknowledge.de>
> > > Datum: Sonntag, 10. Oktober 2021 um 12:34
> > > An: dev@openwebbeans.apache.org <dev@openwebbeans.apache.org>
> > > Betreff: OWB-1393
> > > Hi,
> > >
> > > I’ve created OWB-1393 and am going to fix it.
> > >
> > > When we find an extension that contains an observer method, that
> observes
> > > an event that is no lifecycle event, we currently fire
> > > ProcessObserverMethod during addExtension(…) (before every Extension is
> > > registered). That leads to a caching problem. We cache too early (and
> > thus
> > > too less entries) and don’t invalidate the cache later.
> > >
> > > Note: org.apache.cxf.cdi.JAXRSCdiResourceExtension observes a
> > > non-lifecycle event, so we have that bug currently in meecrowave
> (where I
> > > observed it).
> > >
> > > That leads me to a few questions:
> > >
> > > Is it covered by the spec, that an extension may contain non-lifecycle
> > > events?
> > > If not: Should we throw an exception then, which would break CXF and
> thus
> > > Meecrowave.
> > >
> > > In any case, how should we handle it?
> > > 1. Don’t fire ProcessObserverMethod during extension registration at
> all?
> > > 2. First register every Lifecycle-Event-Observer during extension
> > > registration and only then register the non-lifecycle-Observers (which
> > > fires the ProcessObserverMethod events)?
> > > 3. Invalidate that cache after extension registration (probably the
> most
> > > inperformant way)?
> > >
> > > Any opinion?
> > >
> > > Cheers,
> > > Arne
> > > OPEN KNOWLEDGE GmbH
> > > Poststraße 1, 26122 Oldenburg
> > > Mobil: +49 151 - 108 22 942
> > > Tel: +49 441 - 4082-154
> > > Fax: +49 441 - 4082-111
> > > arne.limb...@openknowledge.de<mailto:arne.limb...@openknowledge.de>
> > > www.openknowledge.de<<http://www.openknowledge.de%3c<
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> > >
> >
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> > >
> >
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> > > >>
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> > >
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> > > >
> > >
> >
>

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