[hibernate-dev] Using Hibernate ORM as automatic JPMS modules

[Steve Ebersole]

On Fri, Dec 29, 2017 at 2:34 PM Steve Ebersole <steve at hibernate.org> wrote:

> On Fri, Dec 22, 2017 at 5:33 AM Steve Ebersole <steve at hibernate.org>
> wrote:
>
>>
>> * When using ByteBuddy as the byte code provider, I still needed to have
>>> Javassist around, as it's used in ClassFileArchiveEntryHandler. I
>>> understand that eventually this should be using Jandex, but I'm wondering
>>> whether we could (temporarily) change it to use ASM instead of Javassist
>>> (at least when using ByteBuddy as byte code provider, which is based on
>>> ASM), so people don't need to have Javassist *and* ByteBuddy when using
>>> the
>>> latter as byte code provider? This seems desirable esp. once we move to
>>> ByteBuddy by default.
>>>
>>
>> Yes, Sanne brought this up in Paris and it is something I will look at
>> prior to a 5.3.0.Final
>>
>
> Actually this is different than what Sanne brought up.  I actually cannot
> reproduce what Sanne is reporting.  If I had to guess he was not specifying
> the bytecode provider to use "globally".  This is a special kind of setting
> (we used to have a few) that can only be specified per-VM : either as a
> root `hibernate.properties` or as a System property.  It has to do with how
> Hibernate builds its mapping model, specifically
> `org.hibernate.mapping.Component`.  Given the redesign of the bootstrap
> process we may actually be able to remove that "VM wide" requirement.  I'll
> look into that for 5.3.  BTW Sanne, I created a repo[1] showing that this
> does indeed work when specified "properly".
>

Rafael, does Byte Buddy have such a capability?

Maybe we should leverage Jandex for this particular part?