code: public long getId() throws SnowizardClientException {
          for (final String host : hosts) {
              try {
                  final SnowizardResponse snowizard = executeRequest(host);
                  if (snowizard != null) {
                      return snowizard.getId(0);
                  }
              } catch (final Exception ex) {
                  LOGGER.warn("Unable to get ID from host ({})", host);
              }
          }
          throw new SnowizardClientException(
                  "Unable to generate ID from Snowizard");
      }
docs: Get a new ID from Snowizard
  
  @return generated ID
  @throws SnowizardClientException
  when unable to get an ID from any host