gistfile1.cs

// config
		<property name="current_session_context_class">
			uNhAddIns.SessionEasier.Contexts.ThreadLocalSessionContext, uNhAddIns
		</property>

// class impl
	public class PersistenceRequest: IDisposable
	{
		private bool disposed;
		private readonly ISessionFactory factory;

		public PersistenceRequest()
		{
			factory = ServiceLocator.Current.GetInstance<ISessionFactory>();
			BeginRequest();
		}

		~PersistenceRequest()
		{
			Dispose(false);
		}

		public void Dispose()
		{
			Dispose(true);
			GC.SuppressFinalize(this);
		}

		private void Dispose(bool disposing)
		{
			if (!disposed)
			{
				if (disposing)
				{
					EndRequest();
				}
				disposed = true;
			}
		}

		private void BeginRequest()
		{
			factory.GetCurrentSession().BeginTransaction();
		}

		private void EndRequest()
		{
			ISession session = factory.GetCurrentSession();
			try
			{
				if (session.Transaction.IsActive)
				{
					session.Transaction.Commit();
				}
			}
			catch (Exception)
			{
				if (session.Transaction.IsActive)
				{
					session.Transaction.Rollback();
				}
				throw;
			}
			finally
			{
				session.Dispose();
			}
		}
	}


// example of usage

			var m = new Magazine(Countries.Mexico, 1) { Title = "some title", NickName = "salondemilan" };

			var dao = new EntityDao<Magazine>(ServiceLocator.Current.GetInstance<ISessionFactory>());

			using (new PersistenceRequest())
			{
				dao.Executing(d=> d.MakePersistent(m)).NotThrows();
			}
			var poid = m.Id;

			using (new PersistenceRequest())
			{
				var e = dao.Get(poid);
				e.Should().Not.Be.Null();
				e.Title.Should().Be.EqualTo("some title");
			}