/**
  *
  * return true if permitted to this item
  *
  * @param id id of item
  * @param uid uid who access to this item
  * @param operation read|write|delete
  * @return true if permitted
  *
  */
 function getPerm($id, $uid, $operation)
 {
     $handler = new XooNIpsItemInfoCompoHandler($this->db);
     return $handler->getPerm($id, $uid, $operation);
 }