function setAbsencePolicyID($id)
 {
     $id = trim($id);
     if ($id == '' or empty($id)) {
         $id = 0;
     }
     $aplf = new AbsencePolicyListFactory();
     if ($id == 0 or $this->Validator->isResultSetWithRows('absence_policy_id', $aplf->getByID($id), TTi18n::gettext('Absence Policy is invalid'))) {
         $this->data['absence_policy_id'] = $id;
         return TRUE;
     }
     return FALSE;
 }