code: def is_ancestor_of_objective_bank(self, id_, objective_bank_id):
          
          # Implemented from template for
          # osid.resource.BinHierarchySession.is_ancestor_of_bin
          if self._catalog_session is not None:
              return self._catalog_session.is_ancestor_of_catalog(id_=id_, catalog_id=objective_bank_id)
          return self._hierarchy_session.is_ancestor(id_=id_, ancestor_id=objective_bank_id)
docs: Tests if an ``Id`` is an ancestor of an objective bank.
  
          arg:    id (osid.id.Id): an ``Id``
          arg:    objective_bank_id (osid.id.Id): the ``Id`` of an
                  objective bank
          return: (boolean) - ``true`` if this ``id`` is an ancestor of
                  ``objective_bank_id,`` ``false`` otherwise
          raise:  NotFound - ``objective_bank_id`` is not found
          raise:  NullArgument - ``id`` or ``objective_bank_id`` is
                  ``null``
          raise:  OperationFailed - unable to complete request
          raise:  PermissionDenied - authorization failure
          *compliance: mandatory -- This method must be implemented.*
          *implementation notes*: If ``id`` not found return ``false``.