The former would probably persist if you flushed the session. The problem
is, there's absolutely nothing telling NH to save the changes to the DB.
Diego
On Mon, Apr 16, 2012 at 07:20, John T <[email protected]> wrote:
> Hi, The example code in my original post is a perfect example. The former
> doesn't persist, and the latter does.
>
> Regards,
> J.
>
> On Saturday, April 14, 2012 7:50:51 PM UTC+1, James Kovacs wrote:
>
>> I'm confused by your assertion. I have used NHibernate in production
>> applications using TransactionScope for transaction management.
>> NHibernate properly enlisted in the ambient transaction. There was no
>> need to call session.BeginTransaction()/tx.Commit() as well as new
>> TransactionScope()/scope.Complete(). Just the latter was sufficient
>> for proper transaction semantics. Are you using NHibernate 3.2? Can
>> you provide a test case demonstrating the issue that you're seeing?
>>
>> James
>>
>> On Apr 13, 4:56 am, John T wrote:
>> > Hi group,
>> >
>> > so I've discovered that NHibernate does not integrate at all well with
>> the
>> > Ambient Transaction. In fact, when using NHibernate within a
>> > TransactionScope, one would be forgiven for thinking it doesn't
>> integrate
>> > at all.
>> >
>> > What should be the correct usage:
>> >
>> > public void Foo()
>> > {
>> > ISession session = null; // get session from wherever
>> >
>> > using (var transactionScope = new TransactionScope())
>> > {
>> > session.Save(new PersistableObject { ArbitraryProperty = "a value"
>> });
>> > transactionScope.Complete();
>> > }
>> >
>> > }
>> >
>> > is completely useless. What you actually have to do is:
>> >
>> > public void Foo()
>> > {
>> > ISession session = null; // get session from wherever
>> >
>> > using (var transactionScope = new TransactionScope())
>> > using (var transaction = session.BeginTransaction())
>> > {
>> > session.Save(new PersistableObject { ArbitraryProperty = "a value"
>> });
>> > transaction.Commit();
>> > transactionScope.Complete();
>> > }
>> >
>> > }
>> >
>> > So the fact that NHibernate has any integration with the Ambient
>> > Transaction seems completely pointless.
>> >
>> > Now, I've looked (only cursory thus far) through the NHib src and have
>> > noted a few areas of interest wrt to integrating with the Ambient
>> > Transaction. But I want to ask if anyone has tried this already, and
>> hit
>> > any barriers along the way?
>> >
>> > Regards,
>> > John.
>>
>
