right but i wonder about the integration with a container managed transactions. UserTransaction is pretty close to resource local from a tx management point of view.
- Romain 2012/7/5 Arne Limburg <[email protected]> > That would come out of the box, when JTA UserTransaction is used or am I > wrong? > > Cheers, > Arne > > -----Ursprüngliche Nachricht----- > Von: Romain Manni-Bucau [mailto:[email protected]] > Gesendet: Donnerstag, 5. Juli 2012 11:20 > An: [email protected] > Betreff: Re: [DISCUSS] [DELTASPIKE-175] [DELTASPIKE-219] @Transactional > > Why not allowing to use > javax.transaction.TransactionSynchronizationRegistry ? > > - Romain > > > 2012/7/5 Arne Limburg <[email protected]> > > > Hi, > > I would not create an own module for JTA, since it will be just some > > lines of code after extracting an AbstractPersistenceStrategy from the > > ResourceLocalPersistenceStrategy. > > > > Or do we have other JTA stuff that would go into that module? > > > > Cheers, > > Arne > > > > -----Ursprüngliche Nachricht----- > > Von: Mark Struberg [mailto:[email protected]] > > Gesendet: Donnerstag, 5. Juli 2012 11:07 > > An: [email protected] > > Betreff: Re: [DISCUSS] [DELTASPIKE-175] [DELTASPIKE-219] > > @Transactional > > > > The original intent was to move all the jta stuff in an own module > > which would then automatically enable the JtaPersistenceStrategy. > > > > > > But we actually have a 3rd option: > > > > Create an AutodetectPersitenceStrategy and make this the default. It > > could lookup the one to take via configuration. That way a user could > > override according to his intention. > > > > LieGrue, > > strub > > > > > > > > ----- Original Message ----- > > > From: Arne Limburg <[email protected]> > > > To: "[email protected]" > > > <[email protected]> > > > Cc: > > > Sent: Thursday, July 5, 2012 11:03 AM > > > Subject: [DISCUSS] [DELTASPIKE-175] [DELTASPIKE-219] @Transactional > > > > > > Hi, > > > > > > yesterday I startet working on the JTA support for @Transactional. > > > My current approach is to implement a JtaPersistenceStrategy. > > > However that leads me to the problem: Who decides which > > > PersistenceStrategy should be taken and how should this decision be > made? > > > I have three suggestions: > > > > > > 1. We detect, if a UserTransaction is available, if so, the > > > JtaPersistenceStrategy is taken, otherwise the > > > ResourceLocalPersistenceStrategy is taken. > > > > > > 2. We detect, if the involved persistence units use JTA or > > > RESOURCE_LOCAL (which would lead to another question: Would we like > > > to support, that @Transactional mixes both strategies?) and decide > > > from that information > > > > > > 3. We let the user decide by making one (or both) persistence > > > strategies @Alternatives What do you think? > > > > > > Cheers, > > > Arne > > > > > >
