Examples of ExponentialBackoffRetry

    private static final AtomicReference<SemaphoreClient>       activeClient = new AtomicReference<SemaphoreClient>(null);


    SemaphoreClient(String connectionString, String semaphorePath, Callable<Void> operation) throws IOException
    {
        Timing timing = new Timing();
        this.client = CuratorFrameworkFactory.newClient(connectionString, timing.session(), timing.connection(), new ExponentialBackoffRetry(100, 3));
        client.start();


        this.semaphorePath = semaphorePath;
        this.operation = operation;
    }

    if (mIsShutdown) {
      throw new IOException("Client is shutdown, will not try to connect");
    }


    Exception lastException = null;
    RetryPolicy retry = new ExponentialBackoffRetry(50, Constants.SECOND_MS, MAX_CONNECT_TRY);
    do {
      mMasterAddress = getMasterAddress();


      LOG.info("Tachyon client (version " + Version.VERSION + ") is trying to connect master @ "
          + mMasterAddress);


      mProtocol =
          new TBinaryProtocol(new TFramedTransport(new TSocket(
              NetworkUtils.getFqdnHost(mMasterAddress), mMasterAddress.getPort())));
      mClient = new MasterService.Client(mProtocol);
      try {
        mProtocol.getTransport().open();


        mHeartbeatThread =
            new HeartbeatThread("Master_Client Heartbeat", new MasterClientHeartbeatExecutor(this),
                UserConf.get().HEARTBEAT_INTERVAL_MS / 2);
        mHeartbeatThread.start();
      } catch (TTransportException e) {
        lastException = e;
        LOG.error("Failed to connect (" + retry.getRetryCount() + ") to master " + mMasterAddress
            + " : " + e.getMessage());
        if (mHeartbeatThread != null) {
          mHeartbeatThread.shutdown();
        }
        continue;
      }


      try {
        mUserId = mClient.user_getUserId();
      } catch (TException e) {
        lastException = e;
        LOG.error(e.getMessage(), e);
        continue;
      }
      LOG.info("User registered at the master " + mMasterAddress + " got UserId " + mUserId);


      mConnected = true;
      return;
    } while (retry.attemptRetry() && !mIsShutdown);


    // Reaching here indicates that we did not successfully connect.
    throw new IOException("Failed to connect to master " + mMasterAddress + " after "
        + (retry.getRetryCount()) + " attempts", lastException);
  }

Examples of ExponentialBackoffRetry

Examples of org.apache.curator.retry.ExponentialBackoffRetry

Examples of tachyon.retry.ExponentialBackoffRetry