[hibernate-dev] Hibernate ORM and Java 8 usage

[Sanne Grinovero]

+1 for Vlad's proposal to use the same JDK for tests and main code in
a given module.

Infinispan requires Java8 at runtime too, so that module should be the
only one to use Java8?

On 12 January 2016 at 07:55, Vlad Mihalcea <mihalcea.vlad at gmail.com> wrote:
> I used Java 8 syntax in the User Guide tests as I remembered that tests can
> use it, but I also agree that this is a rather strange move.
> Since we need to support Java 1.6, maybe it's a better idea to use the
> latest JDK just in the modules where we have no other choice.
> For testing, I think that 1.6 is just fine and I could easily change those
> tests to remove the 1.8 dependency.
>
> So I vote for using the same JDK for both main and test in a particular
> module.
>
> Vlad
>
> On Mon, Jan 11, 2016 at 11:35 PM, Steve Ebersole <steve at hibernate.org>
> wrote:
>
>> The former.  People commit things that already assume the move to Java 8
>> locally to build (and test).  But at the moment we have not formalized
>> that, and so that causes problems when we import into an IDE - the imported
>> IDE project is built for 1.6 compliance and so everything we try in the IDE
>> fails.
>>
>> On Mon, Jan 11, 2016 at 3:33 PM Gunnar Morling <gunnar at hibernate.org>
>> wrote:
>>
>> > Hey,
>> >
>> > > or we move to Java 8 and rely on
>> > > AnimalSniffer to make sure we are still compatible.
>> >
>> > WDYM by "move to Java8" exactly? Requiring it at Hibernate's build
>> > time, or also at runtime in user apps?
>> >
>> >
>> > 2016-01-11 19:49 GMT+01:00 Steve Ebersole <steve at hibernate.org>:
>> > > The use of Java 8 features in Hibernate ORM is starting to expand.
>> > Luckily
>> > > it is still constrained to just tests.
>> > >
>> > > However these usages make development in an IDE more and more
>> difficult.
>> > > Previously this was isolated to hibernate-infinispan.  Now[1] this has
>> > > crept into hibernate-entitymanager.  We need to have a plan here.
>> Either
>> > > we stop using Java 8 anywhere, or we move to Java 8 and rely on
>> > > AnimalSniffer to make sure we are still compatible.
>> > >
>> > > Votes?  Other options?
>> > >
>> > > [1]
>> > >
>> >
>> https://github.com/hibernate/hibernate-orm/commit/c2ece0108ed52d5e3a227ed0150cfb5cb1a76101
>> > > _______________________________________________
>> > > hibernate-dev mailing list
>> > > hibernate-dev at lists.jboss.org
>> > > https://lists.jboss.org/mailman/listinfo/hibernate-dev
>> >
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