Re: [hibernate-dev] SessionFactory building, 5.0-style

There is some question about the "verbosity" the new approach introduces. See discussion on https://hibernate.onjira.com/browse/HHH-7580 and let me know your thoughts. On 08/31/2012 12:02 AM, Steve Ebersole wrote: > > 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(a)hibernate.org > <mailto:steve@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(a)hibernate.org <mailto:steve@hibernate.org> > http://hibernate.org >