Ok.  Then a separate Lookup is what we'd need, I guess.  Not pretty, but oh well.

On 7 Feb 2013, at 11:41, Galder Zamarreño <galder@redhat.com> wrote:

>
> On Feb 7, 2013, at 12:31 PM, Manik Surtani <msurtani@redhat.com> wrote:
>
>>
>> On 7 Feb 2013, at 11:23, Galder Zamarreño <galder@redhat.com> wrote:
>>
>>> Hi all,
>>>
>>> I'm back with a more food for thought wrt JSR-107 impl. Our CacheManager adapter needs to implement:
>>>
>>> UserTransaction getUserTransaction();
>>>
>>> The problem there is that there's no standard way of getting a UserTransaction given a JTA TransactionManager.
>>>
>>> It really is down to each TransactionManager provider to give a UserTransaction instance (whether JNDI, static…etc).
>>>
>>> So, we need a way to lookup a UserTransaction.
>>>
>>> One option is to add a getUserTransaction to TransactionManagerLookup, but that will break existing clients.
>>
>> You mean it would break existing TML implementations?
>
> ^ Yeah, potentially yeah.
>
>> Do we know of any custom TML implementations though?
>
> Yes:
> - https://github.com/hibernate/hibernate-orm/blob/master/hibernate-infinispan/src/main/java/org/hibernate/cache/infinispan/tm/HibernateTransactionManagerLookup.java
> - https://github.com/jbossas/jboss-as/blob/master/clustering/infinispan/src/main/java/org/jboss/as/clustering/infinispan/TransactionManagerProvider.java
>
>>
>>>
>>> Alternatively, define a org.infinispan.transaction.lookup.UserTransactionLookup interface which is configurable. We'd then need to implement for existing TML classes.
>>>
>>> If anyone has any other ideas, let us know.
>>>
>>> Cheers,
>>> --
>>> Galder Zamarreño
>>> galder@redhat.com
>>> twitter.com/galderz
>>>
>>> Project Lead, Escalante
>>> http://escalante.io
>>>
>>> Engineer, Infinispan
>>> http://infinispan.org
>>>
>>>
>>> _______________________________________________
>>> infinispan-dev mailing list
>>> infinispan-dev@lists.jboss.org
>>> https://lists.jboss.org/mailman/listinfo/infinispan-dev
>>
>> --
>> Manik Surtani
>> manik@jboss.org
>> twitter.com/maniksurtani
>>
>> Platform Architect, JBoss Data Grid
>> http://red.ht/data-grid
>>
>>
>> _______________________________________________
>> infinispan-dev mailing list
>> infinispan-dev@lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/infinispan-dev
>
>
> --
> Galder Zamarreño
> galder@redhat.com
> twitter.com/galderz
>
> Project Lead, Escalante
> http://escalante.io
>
> Engineer, Infinispan
> http://infinispan.org
>
>
> _______________________________________________
> infinispan-dev mailing list
> infinispan-dev@lists.jboss.org
> https://lists.jboss.org/mailman/listinfo/infinispan-dev

--
Manik Surtani
manik@jboss.org
twitter.com/maniksurtani

Platform Architect, JBoss Data Grid
http://red.ht/data-grid


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