Grido\Components\Container::hasOperation PHP Метод

    public function hasOperation($useCache = TRUE)
    {
        $hasOperation = $this->hasOperation;
        if ($hasOperation === NULL || $useCache === FALSE) {
            $hasOperation = (bool) $this->getComponent(Operation::ID, FALSE);
            $this->hasOperation = $useCache ? $hasOperation : NULL;
        }
        return $hasOperation;
    }