_em = $em; } /** * Generates an identifier for an entity. * * @param Doctrine\ORM\Entity $entity * @return mixed */ abstract public function generate($entity); /** * Gets whether this generator is a post-insert generator which means that * {@link generate()} must be called after the entity has been inserted * into the database. * By default, this method returns FALSE. Generators that have this requirement * must override this method and return TRUE. * * @return boolean */ public function isPostInsertGenerator() { return false; } }