src/Bolt/ProtocolFactory.php
<?php
declare(strict_types=1);
/*
* This file is part of the Neo4j PHP Client and Driver package.
*
* (c) Nagels <https://nagels.tech>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Laudis\Neo4j\Bolt;
use Bolt\Bolt;
use Bolt\connection\IConnection;
use Bolt\protocol\V4_4;
use Bolt\protocol\V5;
use Laudis\Neo4j\Contracts\AuthenticateInterface;
use RuntimeException;
class ProtocolFactory
{
/**
* @return array{0: V4_4|V5, 1: array{server: string, connection_id: string, hints: list}}
*/
public function createProtocol(IConnection $connection, AuthenticateInterface $auth, string $userAgent): array
{
$bolt = new Bolt($connection);
$bolt->setProtocolVersions(5, 4.4);
$protocol = $bolt->build();
if (!$protocol instanceof V4_4 && !$protocol instanceof V5) {
throw new RuntimeException('Client only supports bolt version 4.4.* and ^5.0');
}
$response = $auth->authenticateBolt($protocol, $userAgent);
return [$protocol, $response];
}
}