@Experimental(feature=ExperimentalFeature.PATCH_UPGRADES)
  public boolean isServiceSupported(String serviceName) {
    return m_services.contains(serviceName);
  }
Gets if a service is supported.

@param serviceName
         the service name to check.
@return {@code true} when the service is supported
ambari-server/src/main/java/org/apache/ambari/server/stack/upgrade/orchestrate/UpgradeContext.java