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\Server\Exception;
15:
16: use Nexus\Mcp\Core\Exception\McpExceptionInterface;
17:
18: /**
19: * Thrown when an expanded DTO declares a constructor parameter that is itself a
20: * class the binder cannot construct from a value map.
21: */
22: final class UnsupportedNestedParameterException extends \LogicException implements McpExceptionInterface
23: {
24: /**
25: * @param class-string $class
26: */
27: public function __construct(string $class, string $parameter, string $type)
28: {
29: parent::__construct(\sprintf(
30: '%s declares constructor parameter "$%s" of type "%s", which the binder cannot construct from a value map. Nested object expansion is not supported.',
31: $class,
32: $parameter,
33: $type,
34: ));
35: }
36: }
37: