<?php
/**
* This file is part of the ramsey/uuid library
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @copyright Copyright (c) Ben Ramsey <[email protected]>
* @license http://opensource.org/licenses/MIT MIT
*/
declare(strict_types=1);
namespace Ramsey\Uuid\Converter;
use Ramsey\Uuid\Type\Hexadecimal;
use Ramsey\Uuid\Type\Time;
/**
* A time converter converts timestamps into representations that may be used
* in UUIDs
*
* @psalm-immutable
*/
interface TimeConverterInterface
{
/**
* Uses the provided seconds and micro-seconds to calculate the count of
* 100-nanosecond intervals since UTC 00:00:00.00, 15 October 1582, for
* RFC 4122 variant UUIDs
*
* @link http://tools.ietf.org/html/rfc4122#section-4.2.2 RFC 4122, § 4.2.2: Generation Details
*
* @param string $seconds A string representation of the number of seconds
* since the Unix epoch for the time to calculate
* @param string $microseconds A string representation of the micro-seconds
* associated with the time to calculate
*
* @return Hexadecimal The full UUID timestamp as a Hexadecimal value
*
* @psalm-pure
*/
public function calculateTime(string $seconds, string $microseconds): Hexadecimal;
/**
* Converts a timestamp extracted from a UUID to a Unix timestamp
*
* @param Hexadecimal $uuidTimestamp A hexadecimal representation of a UUID
* timestamp; a UUID timestamp is a count of 100-nanosecond intervals
* since UTC 00:00:00.00, 15 October 1582.
*
* @return Time An instance of {@see Time}
*
* @psalm-pure
*/
public function convertTime(Hexadecimal $uuidTimestamp): Time;
}