Just quoting Jozef from the referenced Weld 3.0.0.Alpha8 announcement:
"One possible use-case this enables is for a library or framework (e.g.
a testing framework) to use an embedded instance of Weld internally for
its own needs (dependency injection, events, extensibility). This
instance would not interfere with the Weld instance used by the
application."
I think the fact that there's no specific use case doesn't mean we
should forbid this.
Martin
Dne 14.5.2015 v 09:12 Mark Struberg napsal(a):
I still don’t get it what running multiple CDI container on the SAME
ClassLoader/Thread should be for?
What’s the use case?
LieGrue,
strub
> Am 14.05.2015 um 08:11 schrieb Martin Kouba <mkouba(a)redhat.com>:
>
> Hi Antoine,
>
> Weld SE 3.0.0.Alpha8 [1] (which allows to start multiple independent
> Weld instances) has a special CDIProvider implementation [2]:
>
> * if there's exactly one container running, return this container
> * if there are multiple containers running, log an INFO message and
> attempt to identify the container by the calling class:
> ** if there is only one container aware of the class, return this container
> ** otherwise return the first container initialized
>
> Martin
>
> [1]
>
http://weld.cdi-spec.org/news/2015/04/21/weld-300Alpha8/
>
> [2]
>
https://github.com/weld/core/blob/master/environments/se/core/src/main/ja...
>
>
> Dne 13.5.2015 v 19:08 Antoine Sabot-Durand napsal(a):
>> Hi all,
>>
>> While cleaning Javadoc in CDIProvider, I realized that getCDI() method
description is not compatible with the multiple container initialization we allowed in the
API.
>>
>> While running in Java EE getCDI() retuns the current container which is fine
since there’s only one, but what do we expect from it when running in SE?
>>
>> I thought of 2 simple solutions for EDR1:
>>
>> 1) make getCDI() return the last CDI object initialized by the CDIProvider
>> 2) Forbid getCDI() in SE
>>
>> Of course there’s always the solution of moving the code outside CDIProvider, but
it’s less simple…
>>
>> Wdyt,
>>
>> Antoine
>>
>>
>>
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>
> --
> Martin Kouba
> Software Engineer
> Red Hat, Czech Republic
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