Basically I need a way to progammatically retrieve a unit manager. Information regarding the PU is supplied to a module manager in an core module which has no knowledge of the module until it's notified of it.
So, from your last e-mail, I assume it would then be possible to annotate the persistence context in the Startup singleton of the module, and then specify the class and field name to the module manager, which would then use this information to construct a lookup backwards, and then have it wrapped in a transaction (since the call to the module manager is a business method invocation) - unless I misunderstood the code. Though... 10 seconds ago I also thought of an option of doing a JNDI lookup of the Singleton itself and then invoke on this reference - this should wrap it in a transaction, which I can then use to pass in an injected EntityManager reference? Quintin Beukes On Fri, Oct 16, 2009 at 12:29 AM, Quintin Beukes <[email protected]> wrote: > OK. So just to confirm that things are still the same. > > I know that unit names need not be unique, so I assume you still > generate the unique ID suffix. How does OpenEJB then decide what to do > with it. I tried looking around the code, but am a bit lost on where > it injects these entity managers and how it decides which persistence > unit to use. Could you perhaps tell me where to find this? > > Quintin Beukes > > > > On Thu, Oct 15, 2009 at 5:33 PM, Jean-Louis MONTEIRO > <[email protected]> wrote: >> >> Hi Quintin, >> >> you can use JNDI to get a reference. >> Have a look here >> http://www.nabble.com/Lookup-EntityManager-from-Stateless-EJB-Session-Bean-td24708299.html#a24737449 >> http://www.nabble.com/Lookup-EntityManager-from-Stateless-EJB-Session-Bean-td24708299.html#a24737449 >> >> Hope it helps. >> Jean-Louis >> >> >> Q Beukes wrote: >>> >>> Hey, >>> >>> When I have an EntityManager injected while having multiple >>> persistence units, I do it by specifying the unit name, something >>> like: >>> @PersistenceContext(unitName="Some-PU") >>> private EntityManager em; >>> >>> Is it possible to do this not by injection, but fetching it by name >>> through an API of some sort? >>> >>> Quintin Beukes >>> >>> >> >> -- >> View this message in context: >> http://www.nabble.com/Fetching-a-Persistence-Context-tp25910491p25910759.html >> Sent from the OpenEJB User mailing list archive at Nabble.com. >> >> >
