Bolt\Storage\Database\Schema\LazySchemaManager::getManager PHP Метод

    public function getManager()
    {
        if (!$this->manager) {
            $this->manager = call_user_func($this->factory);
            if (!$this->manager instanceof Manager) {
                throw new \LogicException('Factory supplied to LazySchemaManager must return implementation of Manager.');
            }
        }
        return $this->manager;
    }