Bolt\Storage\Query\Handler\IdentifiedSelectHandler::__invoke PHP Method

    public function __invoke(ContentQueryParser $contentQuery)
    {
        if (is_numeric($contentQuery->getIdentifier())) {
            $contentQuery->setParameter('id', $contentQuery->getIdentifier());
        } else {
            $contentQuery->setParameter('slug', $contentQuery->getIdentifier());
        }
        if (count($contentQuery->getContentTypes()) === 1) {
            $contentQuery->setDirective('returnsingle', true);
        }
        return call_user_func_array($contentQuery->getHandler('select'), [$contentQuery]);
    }