def _get_catalog_hierarchy_id(self, catalog_id, proxy, runtime):
seed_str = convert_catalog_id_to_object_id_string(catalog_id)<EOL>ident = Id(authority=self._authority,<EOL>namespace='<STR_LIT>',<EOL>identifier=seed_str)<EOL>return HierarchyLookupSession(proxy, runtime).get_hierarchy(ident).get_id()<EOL>
Gets the catalog hierarchy