The test is not valid. That it works the way you expect is coincidence, rather than by design. Try adding a few seconds delay after session 2 and before opening session 3. If you are using an automatic flush then it will probably occur before before the session 3 open and that save will fail.
John Davidson On Thu, Apr 22, 2010 at 3:45 AM, Norman <[email protected]> wrote: > Thanks for your quick responses on this. > > However I still don't understand why an NHibernate transaction is > required in addition to TransactionScope. I've written a test (below) > and TransactionScope works without the need to create an NHibernate > transaction. > > The result is that Richard and Simon are saved to the database, but > Norman is rolled back. > > What additional benefit do you get from also calling > "session.BeginTransaction()"? > > > public void TransactionScopeTest() > { > Person norman = new Person() { Name = "Norman" }; > Person richard = new Person() { Name = "Richard" }; > Person simon = new Person() { Name = "Simon" }; > > using (ISession s1 = OpenSession()) > { > using (TransactionScope scope = new > TransactionScope()) > { > s1.Save(norman); > > // do not complete so automatically rollback > } > } > > using (ISession s2 = OpenSession()) > { > using (TransactionScope scope = new > TransactionScope()) > { > s2.Save(richard); > > scope.Complete(); > } > } > > using (ISession s3 = OpenSession()) > { > s3.Save(simon); > } > } > > > > On Apr 21, 2:38 pm, Diego Mijelshon <[email protected]> wrote: > > Norman, > > > > It's simple: your assumption is not correct. > > NHibernate transactions automatically enlist in the scope transactions, > but > > they are still needed (i.e. having a TransactionScope does NOT create a > NH > > transaction) > > > > Diego > > > > > > > > > > > > On Wed, Apr 21, 2010 at 09:57, Norman <[email protected]> wrote: > > > Diego - can you please explain why both "new TransactionScope()" and > > > "session.BeginTransaction()" are required? My understanding is that > > > when using TransactionScope there is no need to create a transaction > > > with the session as one is created automatically. > > > > > Thanks. > > > > > -- > > > You received this message because you are subscribed to the Google > Groups > > > "nhusers" group. > > > To post to this group, send email to [email protected]. > > > To unsubscribe from this group, send email to > > > [email protected]<nhusers%[email protected]> > <nhusers%[email protected]<nhusers%[email protected]> > > > > > . > > > For more options, visit this group at > > >http://groups.google.com/group/nhusers?hl=en. > > > > -- > > You received this message because you are subscribed to the Google Groups > "nhusers" group. > > To post to this group, send email to [email protected]. > > To unsubscribe from this group, send email to > [email protected]<nhusers%[email protected]> > . > > For more options, visit this group athttp:// > groups.google.com/group/nhusers?hl=en.- Hide quoted text - > > > > - Show quoted text - > > -- > You received this message because you are subscribed to the Google Groups > "nhusers" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<nhusers%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/nhusers?hl=en. > > -- You received this message because you are subscribed to the Google Groups "nhusers" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/nhusers?hl=en.
