Nextras\Orm\Model\Model::persist PHP Method

    public function persist(IEntity $entity, $withCascade = true)
    {
        $queue = PersistenceHelper::getCascadeQueue($entity, $this, $withCascade);
        foreach ($queue as $object) {
            if ($object instanceof IEntity) {
                $repository = $this->configuration[2][get_class($object)];
                $this->loader->getRepository($repository)->doPersist($object);
            } elseif ($object instanceof IRelationshipCollection) {
                $object->doPersist();
            }
        }
        return $entity;
    }