code: public static void registerUpdate(final Instance _instance)
          throws EFapsException
      {
          // check if SystemConfiguration exists, necessary during install
          if (EFapsSystemConfiguration.get() != null
                          && EFapsSystemConfiguration.get().getAttributeValueAsBoolean(KernelSettings.INDEXACTIVATE)) {
              if (_instance != null && _instance.getType() != null
                              && IndexDefinition.get(_instance.getType().getUUID()) != null) {
                  final AdvancedCache<String, String> cache = InfinispanCache.get()
                                  .<String, String>getIgnReCache(CACHENAME);
                  cache.put(RandomUtil.random(12), _instance.getOid());
              }
          }
      }
docs: Register update.
  
  @param _instance the _instance
  @throws EFapsException the e faps exception