class SystemSettingDaoImpl implements SystemSettingDao {

  public List<SystemSetting> readAll() {
    Response response = cassandraOperation.getAllRecords(KEYSPACE_NAME, TABLE_NAME);
    List<Map<String, Object>> list = (List<Map<String, Object>>) response.get(JsonKey.RESPONSE);
    List<SystemSetting> systemSettings = new ArrayList<>();
    list.forEach(
        map -> {
          SystemSetting systemSetting = mapper.convertValue(map, SystemSetting.class);
          systemSettings.add(systemSetting);
        });
    return systemSettings;
  }

  public  SystemSettingDaoImpl(CassandraOperation cassandraOperation);

}