[hibernate-dev] SessionFactory building, 5.0-style

[Steve Ebersole]

That is one way to go.  Just not sure about the how.  different API?

On Wed 12 Sep 2012 12:08:18 PM CDT, Scott Marlow wrote:
> Do we want to wrap (hide) the steps for native Hibernate ORM
> applications?
>
> On 09/12/2012 12:28 PM, Steve Ebersole wrote:
>> 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 at hibernate.org
>>> <mailto: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 <mailto:steve at hibernate.org>
>>>      http://hibernate.org
>>>
>>
>>
>

--
steve at hibernate.org
http://hibernate.org