[hibernate-dev] Various expectation changes in hibernate-core after consolidating hibernate-entitymanager

[Chris Cranford]

On 04/25/2016 12:04 AM, Vlad Mihalcea wrote:
> 1. "calling EntityManager#close on a closed EntityManager should result in an
> exception;" - that's a reasonable default and shouldn't cause too much
> trouble.
> 2. "Another change in expectation is in regards to operations outside of a
> transaction" - in JPA we can execute queries outside a transaction, but any
> write will fail if there is no transactional context, which is reasonable
> for me too. If Hibernate allows writes outside of a transactional context,
> that's definitely a thing we should not support anyway.
> 3. "Asking a Session if is contains (Session/EntityManager#contains) a
>   non-entity" - we can handle this with the separate exception handler
> strategies to retain both JPA and Hibernate behaviors.
> 4. "Accessing Session/EntityManager#getTransaction.  JPA says that is
> only allowed
> for JDBC transactions.  Hibernate always allows it." - I'd choose the
> Hibernate behavior because I don;t see how it can cause any issue and it's
> an enhancement as well.
+1