public KerberosComponentDescriptor getComponent(String name) {
    return ((name == null) || (components == null)) ? null : components.get(name);
  }
Returns the KerberosComponentDescriptors with the specified name

@param name the name of the component for which to retrieve a descriptor
@return the KerberosComponentDescriptor for the requested component or null if not found
ambari-server/src/main/java/org/apache/ambari/server/state/kerberos/KerberosServiceDescriptor.java