Entity::invalidateTagsOnSave

protected Entity::invalidateTagsOnSave($update)

protected function invalidateTagsOnSave($update) {
  // An entity was created or updated: invalidate its list cache tags. (An
  // updated entity may start to appear in a listing because it now meets that
  // listing's filtering requirements. A newly created entity may start to
  // appear in listings because it did not exist before.)
  $tags = $this->getEntityType()->getListCacheTags();
  if ($this->hasLinkTemplate('canonical')) {
    // Creating or updating an entity may change a cached 403 or 404 response.
    $tags = Cache::mergeTags($tags, ['4xx-response']);
  }
  if ($update) {
    // An existing entity was updated, also invalidate its unique cache tag.
    $tags = Cache::mergeTags($tags, $this->getCacheTagsToInvalidate());
  }
  Cache::invalidateTags($tags);
}