code: public String[] getEndpointInfo(InetAddress endpoint)
      {
          String[] rawEndpointInfo = getRawEndpointInfo(endpoint);
          if (rawEndpointInfo == null)
              throw new RuntimeException("Unknown host " + endpoint + " with no default configured");
          return rawEndpointInfo;
      }
docs: Get the raw information about an end point
  
  @param endpoint endpoint to process
  @return a array of string with the first index being the data center and the second being the rack