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<?php |
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|
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/** |
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* This file is part of the ramsey/uuid library |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @copyright Copyright (c) Ben Ramsey <[email protected]> |
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* @license http://opensource.org/licenses/MIT MIT |
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*/ |
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|
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declare(strict_types=1); |
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|
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namespace Ramsey\Uuid\Nonstandard; |
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|
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use DateTimeImmutable; |
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use DateTimeInterface; |
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use Ramsey\Uuid\Codec\CodecInterface; |
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use Ramsey\Uuid\Converter\NumberConverterInterface; |
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use Ramsey\Uuid\Converter\TimeConverterInterface; |
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use Ramsey\Uuid\Exception\DateTimeException; |
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use Ramsey\Uuid\Exception\InvalidArgumentException; |
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use Ramsey\Uuid\Lazy\LazyUuidFromString; |
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use Ramsey\Uuid\Rfc4122\FieldsInterface as Rfc4122FieldsInterface; |
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use Ramsey\Uuid\Rfc4122\UuidInterface; |
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use Ramsey\Uuid\Rfc4122\UuidV1; |
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use Ramsey\Uuid\Uuid; |
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use Throwable; |
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|
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use function hex2bin; |
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use function str_pad; |
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use function substr; |
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|
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use const STR_PAD_LEFT; |
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|
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/** |
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* Ordered-time, or version 6, UUIDs include timestamp, clock sequence, and node |
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* values that are combined into a 128-bit unsigned integer |
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* |
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* @link https://github.com/uuid6/uuid6-ietf-draft UUID version 6 IETF draft |
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* @link http://gh.peabody.io/uuidv6/ "Version 6" UUIDs |
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* |
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* @psalm-immutable |
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*/ |
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final class UuidV6 extends Uuid implements UuidInterface |
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{ |
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/** |
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* Creates a version 6 (time-based) UUID |
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* |
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* @param Rfc4122FieldsInterface $fields The fields from which to construct a UUID |
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* @param NumberConverterInterface $numberConverter The number converter to use |
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* for converting hex values to/from integers |
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* @param CodecInterface $codec The codec to use when encoding or decoding |
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* UUID strings |
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* @param TimeConverterInterface $timeConverter The time converter to use |
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* for converting timestamps extracted from a UUID to unix timestamps |
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*/ |
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public function __construct( |
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Rfc4122FieldsInterface $fields, |
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NumberConverterInterface $numberConverter, |
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CodecInterface $codec, |
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TimeConverterInterface $timeConverter |
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) { |
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if ($fields->getVersion() !== Uuid::UUID_TYPE_PEABODY) { |
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throw new InvalidArgumentException( |
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'Fields used to create a UuidV6 must represent a ' |
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. 'version 6 (ordered-time) UUID' |
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); |
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} |
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|
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parent::__construct($fields, $numberConverter, $codec, $timeConverter); |
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} |
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|
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/** |
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* Returns a DateTimeInterface object representing the timestamp associated |
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* with the UUID |
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* |
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* @return DateTimeImmutable A PHP DateTimeImmutable instance representing |
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* the timestamp of a version 6 UUID |
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*/ |
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public function getDateTime(): DateTimeInterface |
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{ |
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$time = $this->timeConverter->convertTime($this->fields->getTimestamp()); |
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|
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try { |
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return new DateTimeImmutable( |
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'@' |
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. $time->getSeconds()->toString() |
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. '.' |
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. str_pad($time->getMicroseconds()->toString(), 6, '0', STR_PAD_LEFT) |
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); |
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} catch (Throwable $e) { |
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throw new DateTimeException($e->getMessage(), (int) $e->getCode(), $e); |
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} |
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} |
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|
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/** |
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* Converts this UUID into an instance of a version 1 UUID |
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*/ |
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public function toUuidV1(): UuidV1 |
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{ |
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$hex = $this->getHex()->toString(); |
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$hex = substr($hex, 7, 5) |
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. substr($hex, 13, 3) |
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. substr($hex, 3, 4) |
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. '1' . substr($hex, 0, 3) |
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. substr($hex, 16); |
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|
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/** @var LazyUuidFromString $uuid */ |
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$uuid = Uuid::fromBytes((string) hex2bin($hex)); |
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|
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return $uuid->toUuidV1(); |
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} |
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|
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/** |
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* Converts a version 1 UUID into an instance of a version 6 UUID |
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*/ |
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public static function fromUuidV1(UuidV1 $uuidV1): UuidV6 |
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{ |
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$hex = $uuidV1->getHex()->toString(); |
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$hex = substr($hex, 13, 3) |
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. substr($hex, 8, 4) |
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. substr($hex, 0, 5) |
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. '6' . substr($hex, 5, 3) |
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. substr($hex, 16); |
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|
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/** @var LazyUuidFromString $uuid */ |
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$uuid = Uuid::fromBytes((string) hex2bin($hex)); |
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|
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return $uuid->toUuidV6(); |
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} |
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} |
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|
