[hibernate-dev] HHH-8076 - CDI-capable entity listeners

Sanne Grinovero sanne at hibernate.org
Mon Jan 25 12:41:06 EST 2016


I checked :
 - Hibernate OGM
 - Hibernate Search
 - Hibernate Validator
 - WildFly

And none are using the listeners you listed. In the case of WildFly, I
don't know of course about all the frameworks which are included in
there.

Sanne

On 22 January 2016 at 23:58, Steve Ebersole <steve at hibernate.org> wrote:
> Anyone remember the back-story
> on org.hibernate.jpa.event.internal.jpa.LegacyCallbackProcessor#useAnnotationAnnotatedByListener?
>
> If I read it correctly, it is looking at annotations on the entity seeing
> if any of those annotations are in turn annotated with @EntityListeners.
>
> On Fri, Jan 22, 2016 at 3:38 PM Steve Ebersole <steve at hibernate.org> wrote:
>
>> If it matters, my plan is as follows...
>>
>> Currently JpaIntegrator is the central point for this processing.  The
>> general premise is that it builds a CallbackRegistry, a ListenerFactory
>> and a CallbackProcessor.  It then uses the CallbackProcessor and ListenerFactory
>> to populate the CallbackRegistry.  This part is the crux of the problem
>> with HHH-8076 as after this JpaIntegrator call it is expected that CallbackRegistry
>> be fully initialized (all Callbacks resolved and ready to go).
>>
>> So the plan is to instead invert these relationships to where we build a CallbackRegistry
>> that is aware of the ListenerFactory and CallbackProcessor (actually I
>> think CallbackProcessor can go away).  This is the point in the suggested
>> solution described for HHH-8076 where we'd check the BeanManager to see if
>> it is a BeanManagerExtension and decide whether to delay the
>> initialization.  If that plan causes trouble for anyone, please speak up
>> asap.  If not, I'll proceed.
>>
>> Thanks!
>>
>> On Fri, Jan 22, 2016 at 3:28 PM Steve Ebersole <steve at hibernate.org>
>> wrote:
>>
>>> As part of the work on HHH-8076 for ORM 5.1 I am going to have to change
>>> up, in some fashion, some or all of the following internal/spi contracts :
>>>
>>> * org.hibernate.jpa.event.spi.jpa.Callback
>>> * org.hibernate.jpa.event.spi.jpa.CallbackRegistry
>>> * org.hibernate.jpa.event.spi.jpa.ListenerFactory
>>> * org.hibernate.jpa.event.internal.jpa.CallbackProcessor
>>>
>>> I need to know whether any integrations either use any of these or
>>> provide custom impls for any of them.
>>>
>>
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