apollo-configservice/src/main/java/com/ctrip/framework/apollo/configservice/controller/NotificationControllerV2.java/NotificationControllerV2/NotificationControllerV2
class NotificationControllerV2:  @Autowired
  public NotificationControllerV2(
      final WatchKeysUtil watchKeysUtil,
      final ReleaseMessageServiceWithCache releaseMessageService,
      final EntityManagerUtil entityManagerUtil,
      final NamespaceUtil namespaceUtil,
      final Gson gson,
      final BizConfig bizConfig) {
    largeNotificationBatchExecutorService = Executors.newSingleThreadExecutor(ApolloThreadFactory.create
        ("NotificationControllerV2", true));
    this.watchKeysUtil = watchKeysUtil;
    this.releaseMessageService = releaseMessageService;
    this.entityManagerUtil = entityManagerUtil;
    this.namespaceUtil = namespaceUtil;
    this.gson = gson;
    this.bizConfig = bizConfig;
  }