@Override
  public String getJMXRpcMetricTag(String clusterName, String componentName, String port) {
    return defaultProvider.getJMXRpcMetricTag(clusterName, componentName, port);
  }
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