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From Jean-Baptiste Onofré ...@nanthrax.net>
Subject Re: CDI work
Date Thu, 21 Nov 2019 04:44:35 GMT
Hi Ray,

thanks for the update.

I'm actually one of the folk interested ;)

Focusing on "single" startup with phase 1 checking the metadata and
setting into kind of grace/wait period without the whole CDI container
is great.

I will take a deeper look on your branch today, and it looks promising.

Thanks !
Regards
JB

On 20/11/2019 23:51, Raymond Auge wrote:
> Hey All,
> 
> Some folks have expressed interest in making the Aries CDI impl better, and
> particularly to make it able to work with Apache OpenWebbeans. This has
> been a TODO item if mine for a long time and so I'm trying to move forward
> with it now that there is interest in that.
> 
> Main thing so far is I've worked out how to eliminate the double startup of
> the CDI container (OWB didn't like this, and it made it hard to adapt to a
> different CDI container impl.)
> 
> The idea was to have a 2 phase init where the first phase would provide the
> static metadata about the OSGi dependencies, throw away that container
> instance. If unsatisfied the CDI bundle would essentially be passively
> waiting until things became satisfied or bundle stopped. Phase 2 would take
> the CDI container up when said dependencies were satisfied.
> 
> However, it turns out that doing phase 1 without the CDI container didn't
> take as much effort as I thought.
> 
> Here's the branch where this big refactoring is taking place
> https://github.com/apache/aries-cdi/tree/rotty3000/eliminate-double-start
> 
> Some goals I have for this effort are to:
> - enable running with OWB
> - retain the ability to run Weld
> - implement a SPI for Aries CDI to swap out the CDI container impl
> - make this all work through requirements and capabilities
> - enrich the use cases to which this whole mess can be applied (currently
> it's probably not very clear what some of the benefits are and how to
> achieve them)
> 
> Let me know if you have any thoughts on this.
> 

-- 
Jean-Baptiste Onofré
jbonofre@apache.org
http://blog.nanthrax.net
Talend - http://www.talend.com

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