onStart method

@override Future<bool> onStart()

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

Implementation

@override
Future<bool> onStart() async {
  Duration delay = configuration!.firstOccurrence.difference(DateTime.now());
  if (configuration!.end == null ||
      configuration!.end!.isAfter(DateTime.now())) {
    _timer = Timer(delay, () async => onTrigger());
  }
  return true;
}