NHibernate Helper ninja fodastico

gistfile1.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using FluentNHibernate;
using NHibernate;
using NHibernate.Cfg;
using NHibernate.Context;
using FluentNHibernate.Cfg;
using FluentNHibernate.Cfg.Db;
using System.Reflection;


namespace Hello_World.Application
{
    public class NHibernateHelper
    {
        private static ISessionFactory sessionFactory;

        private static ISessionFactory SessionFactory
        {
            get
            {
                if (sessionFactory == null)
                {
                   // Use in case of your models rest in a differente library: (typeof(Models.Plan).Assembly)
                    sessionFactory = Fluently.Configure()
                        .Database(MsSqlConfiguration.MsSql2008.ConnectionString(c => c.FromConnectionStringWithKey(
                         "Server=localhost\sqlexpress;Database=plans;User ID=felipe;Password=sdfsdfsdf")))
                        .Mappings(m => m.FluentMappings.AddFromAssembly(Assembly.GetExecutingAssembly()))
                        .BuildSessionFactory();
                }
                return sessionFactory;
            }
        }

        public static ISession GetCurrentSession()
        {


            //return session;
            if (!CurrentSessionContext.HasBind(SessionFactory))
            {
                CurrentSessionContext.Bind(SessionFactory.OpenSession());
            }
            return SessionFactory.GetCurrentSession();
        }

        public static void DisposeSession()
        {
            var session = GetCurrentSession();
            session.Close();
            session.Dispose();
        }

        public static void BeginTransaction()
        {
            GetCurrentSession().BeginTransaction();
        }

        public static void CommitTransaction()
        {
            var session = GetCurrentSession();
            if (session.Transaction.IsActive)
                session.Transaction.Commit();
        }

        public static void RollbackTransaction()
        {
            var session = GetCurrentSession();
            if (session.Transaction.IsActive)
                session.Transaction.Rollback();
        }
    }
}