public static function fetchByObjectId($id)
 {
     $self = new self();
     $self->setFilters(array('meta_id_si:' . $id));
     $results = $self->fetchResult(1, 0);
     if (count($results) > 0) {
         return $results[0];
     }
     return false;
 }
 public static function create($filters = null, $data = null, $accountBookingFilters = null)
 {
     if (!$filters) {
         throw new Exception('No filters specified');
     }
     if (!$data) {
         throw new Exception('No data specified');
     }
     $obj = new self();
     $obj->setFilters($filters);
     $obj->setData($data);
     $obj->setAccountBookingFilters($accountBookingFilters);
     return $obj;
 }