/// <summary>
 ///
 /// </summary>
 /// <param name="rs"></param>
 /// <param name="names"></param>
 /// <param name="session"></param>
 /// <param name="owner"></param>
 /// <returns></returns>
 public override object NullSafeGet(
     IDataReader rs,
     string[] names,
     ISessionImplementor session,
     object owner
     )
 {
     return(userType.NullSafeGet(rs, names, owner));
 }