Hi all,
I am trying to understand session management in Rhino Commons
Repository<T> and UnitOfWork, I have tried my best at understanding
the source code, but feel I am misunderstanding some concepts. Briefly
my problem is this:
I save an entity using Repository<T>:
Repository<Car>.Save(new Car{Id = 1});
I can then retrieve the car like so:
Car car = Repository<Car>.Get(1);
Thanks to the Session cache, the car is retrieved without having to
flush the session / commit a tx / write to the database.
However when I then try to query Car using NHibernate Linq provider:
IQueryable<Car> cars = (from car in UnitOfWork.CurrentSession.Linq<Car>
()
select car);
I get nothing, unless I explicity flush the session / commit a tx
after saving the car. I understand that UoW requires you to commit the
transaction before it writes the changes to the db. However as I also
understand from looking at the Rhino Commons source code and the
NHibernate Contrib code, I should not have to do this (flush the
changes) as the Linq provider will use the same session and thus
should be able to 'see' the session cache:
NHRepsoitory uses this:
protected virtual ISession Session
{
get { return UnitOfWork.CurrentSession; }
}
And NHibernateExtensions Linq method is also passed
UnitOfWork.CurrentSession. So my question is this - is this the
expected behaviour (having to flush a repository save before using
Linq to NHibernate)? If so, why? Or am I misunderstanding something
and need to take a deeper look into the code?
Many thanks for any help!
James
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