| 1: | <?php |
| 2: | |
| 3: | declare(strict_types=1); |
| 4: | |
| 5: | /** |
| 6: | * This file is part of the Nexus MCP SDK package. |
| 7: | * |
| 8: | * (c) 2025 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\Schema\Notification; |
| 15: | |
| 16: | use Nexus\Mcp\Schema\Message\JsonRpcNotification; |
| 17: | use Nexus\Mcp\Schema\ProgressToken; |
| 18: | |
| 19: | /** |
| 20: | * An out-of-band notification used to inform the receiver of a progress update for a long-running request. |
| 21: | * |
| 22: | * @extends JsonRpcNotification<array{ |
| 23: | * jsonrpc: '2.0', |
| 24: | * method: 'notifications/progress', |
| 25: | * params: array{ |
| 26: | * _meta?: array<string, mixed>, |
| 27: | * progressToken: int|non-empty-string, |
| 28: | * progress: float, |
| 29: | * total?: float, |
| 30: | * message?: non-empty-string |
| 31: | * }, |
| 32: | * }> |
| 33: | */ |
| 34: | final readonly class ProgressNotification extends JsonRpcNotification implements ClientNotification, ServerNotification |
| 35: | { |
| 36: | /** |
| 37: | * @param ProgressToken $progressToken The progress token which was given in the initial request, used |
| 38: | * to associate this notification with the request that is proceeding. |
| 39: | * @param float $progress The progress thus far. This should increase every time progress |
| 40: | * is made, even if the total is unknown. |
| 41: | * @param null|float $total Total number of items to process (or total progress required), if known. |
| 42: | * @param null|non-empty-string $message An optional message describing the current progress. |
| 43: | * @param null|array<string, mixed> $meta Reserved by MCP to allow clients and servers to attach |
| 44: | * additional metadata to their interactions. |
| 45: | */ |
| 46: | public function __construct( |
| 47: | ProgressToken $progressToken, |
| 48: | float $progress, |
| 49: | ?float $total = null, |
| 50: | ?string $message = null, |
| 51: | ?array $meta = null, |
| 52: | ) { |
| 53: | parent::__construct(self::JSON_RPC_VERSION, 'notifications/progress', array_filter([ |
| 54: | '_meta' => $meta, |
| 55: | 'progressToken' => $progressToken->token, |
| 56: | 'progress' => $progress, |
| 57: | 'total' => $total, |
| 58: | 'message' => $message, |
| 59: | ], static fn(mixed $value): bool => null !== $value)); |
| 60: | } |
| 61: | } |
| 62: |