static CamRightDAL() { m_Instance = new CamRightDAL(); }
static MongoDBCamRightDAL() { m_Instance = new MongoDBCamRightDAL(); }
static CamRightDAL() { m_Instance = new CamRightDAL(); }
static MongoDBCamRightDAL() { m_Instance = new MongoDBCamRightDAL(); }