.. which is the crux of this problem/discussion. There should be, because
it is used within a TransactionScope, and when the TransactionScope
completes - so should NHibernate.
On Monday, April 16, 2012 1:56:32 PM UTC+1, Diego Mijelshon wrote:
>
> 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 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.
>>>
>>
>
