NHibernate get pending updates

nh-updates.cs

        public static List<string> GetPendingDatabaseUpdates()
        {
            var sessionFactoryProvider = ObjectFactory.GetInstance<ISessionFactoryProvider>();
            var updater = new SchemaUpdate(sessionFactoryProvider.Configuration);

            var updates = new List<string>();
            updater.Execute(updates.Add, false);
            return updates;
        }

        public static void ExecuteUpdateDatabase()
        {
            var sessionFactoryProvider = ObjectFactory.GetInstance<ISessionFactoryProvider>();
            var updater = new SchemaUpdate(sessionFactoryProvider.Configuration);
            updater.Execute(false, true);
        }

        public static void RecreateDatabase()
        {
            var sessionFactoryProvider = ObjectFactory.GetInstance<ISessionFactoryProvider>();
            var exporter = new SchemaExport(sessionFactoryProvider.Configuration);
            exporter.Create(false, true);
        }