File Core/Schema/Result/CacheableResult.php

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\Schema\Result;
15:
16:	use Nexus\Assert\Assert;
17:	use Nexus\Mcp\Core\Schema\Enum\CacheScope;
18:	use Nexus\Mcp\Core\Schema\MetaObject\GenericResultMetaObject;
19:	use Nexus\Mcp\Core\Schema\MetaObject\ResultMetaObject;
20:	use Nexus\Mcp\Core\Schema\Result;
21:
22:	/**
23:	* A result that supports a time-to-live (TTL) hint for client-side caching.
24:	*
25:	* @template-covariant T of array<string, mixed>
26:	*
27:	* @extends Result<T>
28:	*
29:	* @see https://github.com/modelcontextprotocol/modelcontextprotocol/blob/main/schema/2026-07-28/schema.ts
30:	*/
31:	abstract readonly class CacheableResult extends Result
32:	{
33:	public function __construct(
34:	public int $ttlMs,
35:	public CacheScope $cacheScope,
36:	ResultMetaObject $meta = new GenericResultMetaObject(),
37:	) {
38:	Assert::that($this->ttlMs)->isNaturalInt('"result.ttlMs" must be a non-negative integer, {value} given.');
39:
40:	parent::__construct(meta: $meta);
41:	}
42:	}
43: