[cdi-dev] Bean Discovery Mode in SE
jharting at redhat.com
Wed Mar 4 04:14:41 EST 2015
For EE assuming bean-discovery-mode="annotated" by default if no
beans.xml is found is OK as the scope of scanning is limited by the
deployment. In SE however this would require that we scan the entire
classpath for scope annotations, stereotypes, etc. I am therefore
concerned about the performance implications of this.
On 03/01/2015 04:18 PM, John D. Ament wrote:
> Yeah actually you're right. For some reason I had in my head that
> "all" was the default. It's very clearly not. Too early for some of
> this :-)
> So let me rephrase. "annotated" will be the default bean discovery
> mode if a classpath entry contains no META-INF/beans.xml, based on the
> exact same rules used in EE.
> Any concerns with that?
> On Sun, Mar 1, 2015 at 10:10 AM Romain Manni-Bucau
> <rmannibucau at gmail.com <mailto:rmannibucau at gmail.com>> wrote:
> For me it is 100% the same as ee where you have the same issues so
> keeping them aligned is better IMO. That said configuring globally
> the scanning would be nice.
> Le 1 mars 2015 15:54, "John D. Ament" <john.d.ament at gmail.com
> <mailto:john.d.ament at gmail.com>> a écrit :
> I'd like to propose in my doc changes for CDI-26 that if a
> classpath entry does not contain a META-INF/beans.xml that it
> is treated as if it were bean-discovery-mode=none, e.g. no
> beans will be scanned in that entry. (BTW, I'm using classpath
> entry rather than archive in the document to account for cases
> where someone does -cp "./classes:./extra-classes:./lib/*" to
> define their classpath)
> It's a bit different than how EE works, but I could imagine it
> causing fewer headaches when running on SE classpaths.
> Any thoughts/comments?
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