| 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\Handler; |
| 15: | |
| 16: | use Nexus\Mcp\Core\Schema\JsonRpc\JsonRpcRequest; |
| 17: | use Nexus\Mcp\Core\Schema\Result; |
| 18: | |
| 19: | /** |
| 20: | * Handles a single inbound JSON-RPC request and returns the typed result. |
| 21: | * |
| 22: | * `TMethod` binds the literal returned by `static::getMethod()` on the matching |
| 23: | * request class so the registry can store handlers heterogeneously. It does |
| 24: | * not narrow `handle()`'s parameter, which stays at the wide envelope type. |
| 25: | * |
| 26: | * @template-covariant TMethod of non-empty-string |
| 27: | * @template-covariant TResult of Result |
| 28: | * @template-contravariant TContext of AbstractContext |
| 29: | */ |
| 30: | interface RequestHandlerInterface |
| 31: | { |
| 32: | /** |
| 33: | * @param JsonRpcRequest<non-empty-string> $request |
| 34: | * @param TContext $context |
| 35: | * |
| 36: | * @return TResult |
| 37: | */ |
| 38: | public function handle(JsonRpcRequest $request, AbstractContext $context): Result; |
| 39: | } |
| 40: |