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