[cdi-dev] Multiple CDI containers per ClassLoader

[Martin Kouba]

Also Weld SE bootsrap API allows you to specify a "container id" which 
can be used to obtain the correct container instance. See also 
org.jboss.weld.environment.se.WeldContainer.instance(String).

Martin

Dne 8.9.2017 v 12:36 Matej Novotny napsal(a):
> Hi
> 
>> The javax.enterprise.inject.se .SeContainerInitializer seems to allow me to
> 
> It's more like it does not forbid you from doing it.
> That means you can try, but it us undefined and up to implementation if they will anyhow handle/support that.
> 
>> If I create multiple containers over the same ClassLoader, what would it mean
>> to call javax.enterprise.inject.spi.CDI.current() in each one?
> 
> What happens when you actually do that is anyone's best guess.
> It's again impl specific matter.
> In Weld, if we detect more containers, I think we try to determine the caller and if that doesn't help, we give you back the first container reference.
> You can browse the code - https://github.com/weld/core/blob/master/environments/se/core/src/main/java/org/jboss/weld/environment/se/WeldSEProvider.java#L59
> 
> Matej
> 
> ----- Original Message -----
>> From: "Todor Boev" <rinsvind at gmail.com>
>> To: cdi-dev at lists.jboss.org
>> Sent: Friday, September 8, 2017 12:02:43 PM
>> Subject: Re: [cdi-dev] Multiple CDI containers per ClassLoader
>>
>> To clarify:
>> http://docs.jboss.org/cdi/spec/2.0/cdi-spec.html#provider_se
>> Does not forbid such calls.
>>
>> On Fri, Sep 8, 2017 at 12:58 PM, Todor Boev < rinsvind at gmail.com > wrote:
>>
>>
>>
>> Hi all,
>>
>> The javax.enterprise.inject.se .SeContainerInitializer seems to allow me to
>> create and use simultaneously multiple CDI containers.
>> Furthermore I don't seem to be required to setup each one with it's own
>> ClassLoader.
>> If I create multiple containers over the same ClassLoader, what would it mean
>> to call javax.enterprise.inject.spi.CDI.current() in each one?
>>
>> Regards,
>> Todor
>>
>>
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-- 
Martin Kouba
Senior Software Engineer
Red Hat, Czech Republic