nextId method

@override Future<int?> nextId()

Implementation

@override
Future<int?> nextId() async {
  if (!initialized) throw ArgumentError(AbstractDao.C_MUST_INIT);
  try {
    return await tableTransactionDao.getNextId(localWardenType!);
  } on SqlException catch (e) {
    if (e.sqlExceptionEnum == SqlExceptionEnum.FAILED_SELECT) return 1;
  }
  return null;
}