incIdAsync method
The same as incId but async.
Implementation
Future<int> incIdAsync() async {
while (true) {
final millis = DateTime.now().millisecondsSinceEpoch - _firstYearMillis;
if (_previousMillis != millis) {
_counter = 0;
_previousMillis = millis;
}
if (_counter >= randomValues) {
await Future.delayed(Duration(microseconds: 100));
continue;
}
return millis * randomValues + _counter++;
}
}