On 27 Jan 2014, at 04:29, Steve Ebersole <st...@hibernate.org> wrote:

> I was looking into some failures on master in regards to XML overrides for
> JPA annotations in relation to our friend Access/AccessType.  Which got me
> to thinking...
> 
> How does the "mixin" code handle defining the target for the
> AnnotationInstances it creates?

AFAIK it needs to look at two things, the ‘access’ attribute of the persistence 
unit and the ‘access' attribute 
of the entity node. Based on that it should create an AnnotationInstance with 
the appropriate AnnotationTarget.
Once these pseudo annotation are created the processing of the mapping 
information is the same as with actual
annotation defined on the entities (metadata-complete needs to be handled here 
as well in a sense that if
a xml mapped entity is metadata-complete, existing AnnotationInstances based on 
actual annotations must be removed).

That’s how it should work. However, this was Strong’s baby. Maybe he could shed 
some more light on this.

> Seems to me this code would have really no idea whether to choose the field
> or the getter as the target.  Which is potentially problematic as we are
> validating the "placement" of these annotations.

It does, based on the ‘access’ attribute (see above)

—Hardy
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