import bt2.message
import collections.abc
import bt2.component
+import bt2.port
import bt2
def _bt_seek_beginning_from_native(self):
self._seek_beginning()
+ def _create_input_port_message_iterator(self, input_port):
+ utils._check_type(input_port, bt2.port._UserComponentInputPort)
+
+ msg_iter_ptr = native_bt.self_component_port_input_message_iterator_create_from_message_iterator(
+ self._bt_ptr, input_port._ptr
+ )
+
+ if msg_iter_ptr is None:
+ raise bt2.CreationError('cannot create message iterator object')
+
+ return _UserComponentInputPortMessageIterator(msg_iter_ptr)
+
def _create_event_message(
self, event_class, parent=None, default_clock_snapshot=None
):