releaseThreadLock example

/** * {@inheritdoc} */
  public function postSave(EntityStorageInterface $storage, $update = TRUE) {
    parent::postSave($storage, $update);

    // Always invalidate the cache tag for the commented entity.     if ($commented_entity = $this->getCommentedEntity()) {
      Cache::invalidateTags($commented_entity->getCacheTagsToInvalidate());
    }

    $this->releaseThreadLock();
    // Update the {comment_entity_statistics} table prior to executing the hook.     \Drupal::service('comment.statistics')->update($this);
  }

  /** * Release the lock acquired for the thread in preSave(). */
  protected function releaseThreadLock() {
    if ($this->threadLock) {
      \Drupal::lock()->release($this->threadLock);
      $this->threadLock = '';
    }