1: <?php
2:
3: declare(strict_types=1);
4:
5: /**
6: * This file is part of the Nexus MCP SDK package.
7: *
8: * (c) 2026 John Paul E. Balandan, CPA <paulbalandan@gmail.com>
9: *
10: * For the full copyright and license information, please view
11: * the LICENSE file that was distributed with this source code.
12: */
13:
14: namespace Nexus\Mcp\Core\Exception;
15:
16: /**
17: * Thrown when a supervised transport has spent its restart budget and stops respawning the peer.
18: */
19: final class SupervisionExhaustedException extends \RuntimeException implements McpExceptionInterface
20: {
21: public function __construct(
22: public readonly int $restarts,
23: ?\Throwable $previous = null,
24: ) {
25: parent::__construct(
26: \sprintf('Gave up supervising the peer after %d restart attempt(s) in one window.', $restarts),
27: previous: $previous,
28: );
29: }
30: }
31: