File Core/Schema/NotificationParams/CancelledNotificationParams.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\NotificationParams;
15:
16:	use Nexus\Assert\Assert;
17:	use Nexus\Mcp\Core\Schema\MetaObject;
18:	use Nexus\Mcp\Core\Schema\NotificationParams;
19:	use Nexus\Mcp\Core\Schema\RequestId;
20:
21:	/**
22:	* Parameters for a `notifications/cancelled` notification.
23:	*
24:	* @see https://modelcontextprotocol.io/specification/2025-11-25/schema#cancellednotificationparams
25:	*/
26:	final readonly class CancelledNotificationParams extends NotificationParams
27:	{
28:	public function __construct(
29:	public ?RequestId $requestId = null,
30:	public ?string $reason = null,
31:	MetaObject $meta = new MetaObject(),
32:	) {
33:	parent::__construct($meta);
34:	}
35:
36:	/**
37:	* @param array<string, mixed> $data
38:	*/
39:	#[\Override]
40:	public static function fromArray(array $data): static
41:	{
42:	$requestId = null;
43:
44:	if (\array_key_exists('requestId', $data)) {
45:	Assert::that($data['requestId'])->isArrayKey('"params.requestId" must be an int or string, {type} given.');
46:	$requestId = new RequestId($data['requestId']);
47:	}
48:
49:	$reason = $data['reason'] ?? null;
50:	Assert::that($reason)->nullOr()->isString('"params.reason" must be a string or null, {type} given.');
51:
52:	$meta = new MetaObject();
53:
54:	if (\array_key_exists('_meta', $data)) {
55:	Assert::that($data['_meta'])
56:	->isArray('"params._meta" must be an object, {type} given.')
57:	->isMap('"params._meta" must be a string-keyed object.')
58:	;
59:	$meta = MetaObject::fromArray($data['_meta']);
60:	}
61:
62:	return new self($requestId, $reason, $meta);
63:	}
64:
65:	#[\Override]
66:	public function toArray(): array
67:	{
68:	$data = parent::toArray();
69:
70:	if (null !== $this->requestId) {
71:	$data['requestId'] = $this->requestId->id;
72:	}
73:
74:	if (null !== $this->reason) {
75:	$data['reason'] = $this->reason;
76:	}
77:
78:	return $data;
79:	}
80:
81:	#[\Override]
82:	public function jsonSerialize(): array
83:	{
84:	return $this->toArray();
85:	}
86:	}
87:

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