/// <summary author="Eduardo Colon" created="2019/03/20">
        /// method  to retrieve all employeeids
        /// </summary>
        public List <int> RetrieveAllEmployeeIDs()
        {
            List <int> employeeIDs = null;

            try
            {
                employeeIDs = _shuttleReservationAccessor.RetrieveEmployeeIDs();
            }
            catch (Exception ex)
            {
                ExceptionLogManager.getInstance().LogException(ex);
                throw ex;
            }
            return(employeeIDs);
        }