onPause method

@override Future<bool> onPause()

Callback when this executor is paused. Returns true if successfully paused, false otherwise.

Implementation

@override
Future<bool> onPause() async {
  if (timer != null) timer!.cancel();
  // check if there are some buffered data that needs to be collected before pausing
  try {
    Datum? datum = await getDatum();
    if (datum != null) addData(datum);
  } catch (error) {
    addError(error);
  }
  return true;
}