/**
  * Pre Persist event callback
  *
  * Checks if the entity contains an @Tracked (or derived)
  * annotation. If so, it will dispatch 'Events::ENTITY_CHANGED'
  * with the new entity states.
  *
  * @param LifecycleEventArgs $event
  */
 public function prePersist(LifecycleEventArgs $event)
 {
     $em = $event->getEntityManager();
     $entity = $event->getEntity();
     if (false === $this->meta_annotation_provider->isTracked($em, $entity)) {
         return;
     }
     $mutated_fields = $this->meta_mutation_provider->getMutatedFields($em, $entity, null);
     $this->logger->debug('Going to notify a change (prePersist) to {entity_class}, which has {mutated_fields}', ['entity_class' => get_class($entity), 'mutated_fields' => $mutated_fields]);
     $em->getEventManager()->dispatchEvent(Events::ENTITY_CHANGED, new EntityChangedEvent($em, $entity, null, $mutated_fields));
 }
 /**
  * Pre Flush event callback
  *
  * Checks if the entity contains an @Tracked (or derived)
  * annotation. If so, it will attempt to calculate changes
  * made and dispatch 'Events::entityChanged' with the current
  * and original entity states. Note that the original entity
  * is not managed.
  *
  * @param PreFlushEventArgs $event
  */
 public function preFlush(PreFlushEventArgs $event)
 {
     $em = $event->getEntityManager();
     $changes = $this->meta_mutation_provider->getFullChangeSet($em);
     foreach ($changes as $updates) {
         if (empty($updates)) {
             continue;
         }
         if (false === $this->meta_annotation_provider->isTracked($em, current($updates))) {
             continue;
         }
         foreach ($updates as $entity) {
             if (!$this->meta_mutation_provider->isEntityManaged($em, $entity) || $entity instanceof Proxy) {
                 continue;
             }
             $original = $this->meta_mutation_provider->createOriginalEntity($em, $entity);
             $mutated_fields = $this->meta_mutation_provider->getMutatedFields($em, $entity, $original);
             if (!empty($mutated_fields)) {
                 $this->logger->info('Going to notify a change to {entity_class}, which has {mutated_fields}', ['entity_class' => get_class($entity), 'mutated_fields' => $mutated_fields]);
                 $em->getEventManager()->dispatchEvent(Events::entityChanged, new EntityChangedEvent($em, $entity, $original, $mutated_fields));
             }
         }
     }
 }
 /**
  * @see \Hostnet\Component\EntityBlamable\Resolver\BlamableResolverInterface::getBlamableAnnotation()
  */
 public function getBlamableAnnotation(EntityManagerInterface $em, $entity)
 {
     return $this->provider->getAnnotationFromEntity($em, $entity, $this->annotation);
 }