public void setComponentDisplay(String service, String component, String displayName) {
    String key = service + ":" + component;
    m_componentNames.put(key, displayName);
  }
@param service     the service name that owns the component
@param component   the component name
@param displayName the display name for the component
ambari-server/src/main/java/org/apache/ambari/server/stack/upgrade/orchestrate/UpgradeContext.java