[hibernate-dev] SessionFactory building, 5.0-style

[Steve Ebersole]

I assume no responses means everyone is ok with this change.  Hopefully I
will start on those changes next week; for certain I would like to get it
done before the meeting
On Aug 23, 2012 8:28 AM, "Steve Ebersole" <steve at hibernate.org> wrote:

> The initial design I had for building a SessionFactory using the new
> metamodel was 3 steps:
>
> 1) build ServiceRegistry
> 2) build Metadata
> 3) build SessionFactory using both ServiceRegistry and Metadata
>
> This changed a little as actually implemented in the metamodel branch:
> 1) build "boot strap" service registry
> 2) build basic service registry
> 3) build MetadataSources
> 4) build Metadata
> 5) build SessionFactory using both basic service registry and Metadata
>
> I would like to change this slightly based on JPA 2.1 work and integrating
> that with containers (mainly through planning with Scott for JBoss AS).
>
> <background>
> Essentially Scott and I made a change proposal to JPA EG for how managed
> EMF bootstrapping happens to better account for stuff in the container's
> environment not being available until certain times.  It is a typical "hole
> in the interaction of specs" deal.  Long story short, we want to make boot
> strapping of an EMF into 2 distinct phases.  Whether or not that gets
> accepted/approved, we will implement this approach for Hibernate EMF
> bootstrapping and JBoss AS will leverage it.
>
> The 2 phases are meant to account for container resources not being
> available or the need to delay classloading.
> </background>
>
> The changes I propose would just be ordering:
> -- phase 1 --
> 1) build "boot strap" service registry
> 2) build MetadataSources
> -- phase 2 --
> 3) build basic service registry
> 4) build Metadata
> 5) build SessionFactory using both basic service registry and Metadata
>
>
> --
> steve at hibernate.org
> http://hibernate.org
>