public function reset()
  {
    parent :: reset();

    $this->path = '';
    $this->node_id = null;
    $this->object_id = null;
  }
  public function reset()
  {
    parent :: reset();

    $this->object_id = null;
    $this->node_mapped_by_request = null;
    $this->request = null;
  }
  function reset()
  {
    parent :: reset();

    $this->path = '';
    $this->check_expanded_parents = false;
    $this->include_parent = false;
    $this->depth = 1;
  }
 protected function _doParentFetch()
 {
   return parent :: fetch();
 }