startService method

void startService()

Implementation

void startService() {
  if (!(_state == ServiceState.offline || _state == ServiceState.failed)) {
    throw Exception("$name Service cannot be started while $state");
  }

  PrecisionStopwatch p = PrecisionStopwatch.start();
  _state = ServiceState.starting;
  verbose("Starting $name Service");

  try {
    if (this is AsyncStartupTasked) {
      PrecisionStopwatch px = PrecisionStopwatch.start();
      verbose("Queued Startup Task: $name");
      services()
          .tasks
          .add((this as AsyncStartupTasked).onStartupTask().then((value) {
            success(
                "Completed $name Startup Task in ${px.getMilliseconds()}ms");
          }));
    }

    onStart();
    _state = ServiceState.online;
  } catch (e, es) {
    _state = ServiceState.failed;
    error("Failed to start $name Service: $e");
    error(es);
  }

  if (_state == ServiceState.starting) {
    _state = ServiceState.failed;
  }

  if (_state == ServiceState.failed) {
    warn(
        "Failed to start $name Service! It will be offline until you restart the app or the service is re-requested.");
  } else {
    success("Started $name Service in ${p.getMilliseconds()}ms");
  }
}