@Override
  public String getPublicHostName(String clusterName, String hostName) {
    return defaultProvider.getPublicHostName(clusterName, hostName);
  }
A special {@link JMXHostProvider} that resolves JMX URIs based on cluster configuration.
ambari-server/src/main/java/org/apache/ambari/server/controller/internal/ConfigBasedJmxHostProvider.java