[hibernate-dev] 6.0 planning

[Gunnar Morling]

One minor wish I'd have around bootstrapping:

Can we make the initiators of services residing in the session factory
service registry discoverable by means of a ServiceContributor as it's
happening for services living in the standard registry?

Currently, it's a hard coded list, requiring Hibernate OGM to provide its
own SessionFactoryServiceRegistryFactory implementation which I believe
does not fly when it comes to several integrators seeking to provide their
own SF-scoped services.

Thanks,

--Gunnar



2016-03-31 13:57 GMT+02:00 Steve Ebersole <steve at hibernate.org>:

> We have been having a few side discussions about plans for 6.0, and I
> thought it would be a good idea to consolidate them together.
>
>
>    1. Incorporate the SQM work.  Lots of pieces go into this:
>       1. Replacing the interpretation of HQL/JPQL and Criteria queries.
>       2. *Possibly* leveraging SQM to deal with entity operations
>       (load-by-id, merge, etc).
>       3. Improved Query contracts
>       4. Improved persister contracts (including addition of an "embeddable
>       persister").
>       5. Improved Type contracts
>    2. Extensions to JPA criteria based on SQM work(this is probably more on
>    ongoing 6.x task)
>    3. Baseline on Java 8
>
> Is there anything else anyone wants to discuss getting included?
>
> Another one I'd like to discuss is the consolidation of the hibernate-core
> and hibernate-entitymanager modules into a single module (possibly renamed
> hibernate-orm).  There are a lot of reasons and benefits to doing this:
>
>    1. A major one would be the consolidation of "type systems".  Hibernate
>    has org.hibernate.type.Type.  JPA defines javax.persistence.Type.  Now
> with
>    SQM we have a 3rd type system in play.
>    2. It is also the major hurdle to moving to being able to fully replace
>    the legacy criteria with JPA criteria.  If Session and EntityManager (as
>    well as SessionFactory ad EntiytManagerFactory) were fully integrated
> then
>    Session would be able to build/handle JPA criteria queries.
>    3. Simplified HEM bootstrapping
>
>
> There are also a few challenges to doing this consolidation of the
> hibernate-core and hibernate-entitymanager modules.  The big one tht stick
> out in my head is event-listener with different behaviors between core and
> hem.
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