/**
  * @param Client $client
  * @param string $className
  *
  * @return array
  */
 protected function getModificationsNeededStatesAndIdentifiers(Client $client, $className)
 {
     $query = $this->persistenceManager->createQueryForType($className);
     $states = array(ObjectIndexer::ACTION_TYPE_CREATE => array(), ObjectIndexer::ACTION_TYPE_UPDATE => array(), ObjectIndexer::ACTION_TYPE_DELETE => array());
     foreach ($query->execute() as $object) {
         $state = $this->objectIndexer->objectIndexActionRequired($object, $client);
         $states[$state][] = $this->persistenceManager->getIdentifierByObject($object);
     }
     return $states;
 }