protected function build()
 {
     if ($this->event) {
         $this->where[] = "  event_comment_information.event_id = :event_id ";
         $this->params['event_id'] = $this->event->getId();
     }
     if (!$this->include_deleted) {
         $this->where[] = " event_comment_information.is_deleted = '0' ";
     }
     if (!$this->include_closed_by_admin) {
         $this->where[] = " event_comment_information.is_closed_by_admin = '0' ";
     }
 }