@Override
 public void stateTransition(String site, String path, TransitionEvent event) {
   PersistenceManagerService persistenceManagerService =
       _servicesManager.getService(PersistenceManagerService.class);
   List<String> objectIds = new ArrayList<String>();
   String rootPath = SITE_REPO_ROOT_PATTERN.replaceAll(SITE_REPLACEMENT_PATTERN, site);
   NodeRef nodeRef = persistenceManagerService.getNodeRef(rootPath, path);
   if (nodeRef != null) {
     ObjectStateService.TransitionEvent convertedEvent = eventConversionMap.get(event);
     persistenceManagerService.transition(nodeRef, convertedEvent);
   }
 }