+ cc_ptr = component_class._bt_component_class_ptr()
+ assert cc_ptr is not None
+
+ if method_obj is not None and not native_bt.bt2_is_python_component_class(
+ cc_ptr
+ ):
+ raise ValueError(
+ "cannot pass a Python object to a non-Python component class"
+ )
+
+ ptr = native_bt.bt2_query_executor_create(
+ cc_ptr, object_name, params_ptr, method_obj
+ )
+
+ if ptr is None:
+ raise bt2._MemoryError("cannot create query executor object")
+
+ super().__init__(ptr)
+
+ # Keep a reference of `method_obj` as the native query executor
+ # does not have any. This ensures that, when this object's
+ # query() method is called, the Python object still exists.
+ self._method_obj = method_obj
+
+ def add_interrupter(self, interrupter):
+ utils._check_type(interrupter, bt2_interrupter.Interrupter)
+ native_bt.query_executor_add_interrupter(self._ptr, interrupter._ptr)
+
+ @property
+ def default_interrupter(self):
+ ptr = native_bt.query_executor_borrow_default_interrupter(self._ptr)
+ return bt2_interrupter.Interrupter._create_from_ptr_and_get_ref(ptr)
+
+ def _set_logging_level(self, log_level):
+ utils._check_log_level(log_level)
+ status = native_bt.query_executor_set_logging_level(self._ptr, log_level)
+ utils._handle_func_status(status, "cannot set query executor's logging level")
+
+ logging_level = property(
+ fget=_QueryExecutorCommon.logging_level, fset=_set_logging_level
+ )
+
+ @property
+ def is_interrupted(self):
+ is_interrupted = native_bt.query_executor_is_interrupted(self._ptr)
+ return bool(is_interrupted)
+
+ def query(self):
+ status, result_ptr = native_bt.query_executor_query(self._ptr)
+ utils._handle_func_status(status, "cannot query component class")
+ assert result_ptr is not None
+ return bt2_value._create_from_const_ptr(result_ptr)
+
+
+class _PrivateQueryExecutor(_QueryExecutorCommon):
+ def __init__(self, ptr):
+ self._ptr = ptr
+
+ def _check_validity(self):
+ if self._ptr is None:
+ raise RuntimeError("this object is not valid anymore")
+
+ def _as_query_executor_ptr(self):
+ self._check_validity()
+ return native_bt.private_query_executor_as_query_executor_const(self._ptr)