function saveCalendarBusinessHours($aData)
 {
     $CalendarUid = $aData['CALENDAR_UID'];
     $CalendarBusinessDay = $aData['CALENDAR_BUSINESS_DAY'];
     $CalendarBusinessStart = $aData['CALENDAR_BUSINESS_START'];
     $CalendarBusinessEnd = $aData['CALENDAR_BUSINESS_END'];
     //if exists the row in the database propel will update it, otherwise will insert.
     $tr = CalendarBusinessHoursPeer::retrieveByPK($CalendarUid, $CalendarBusinessDay, $CalendarBusinessStart, $CalendarBusinessEnd);
     if (!(is_object($tr) && get_class($tr) == 'CalendarBusinessHours')) {
         $tr = new CalendarBusinessHours();
     }
     $tr->setCalendarUid($CalendarUid);
     $tr->setCalendarBusinessDay($CalendarBusinessDay);
     $tr->setCalendarBusinessStart($CalendarBusinessStart);
     $tr->setCalendarBusinessEnd($CalendarBusinessEnd);
     if ($tr->validate()) {
         // we save it, since we get no validation errors, or do whatever else you like.
         $res = $tr->save();
     } else {
         // Something went wrong. We can now get the validationFailures and handle them.
         $msg = $CalendarBusinessDay . '<hr/>';
         $validationFailuresArray = $tr->getValidationFailures();
         foreach ($validationFailuresArray as $objValidationFailure) {
             $msg .= $objValidationFailure->getMessage() . "<br/>";
         }
         //return array ( 'codError' => -100, 'rowsAffected' => 0, 'message' => $msg );
         G::SendTemporalMessage($msg);
     }
     //return array ( 'codError' => 0, 'rowsAffected' => $res, 'message' => '');
     //to do: uniform  coderror structures for all classes
     //if ( $res['codError'] < 0 ) {
     //  G::SendMessageText ( $res['message'] , 'error' );
     //}
 }