1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
<?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 <ben@benramsey.com>
* @license http://opensource.org/licenses/MIT MIT
*/
declare(strict_types=1);
namespace Ramsey\Uuid\Rfc4122;
use DateTimeImmutable;
use DateTimeInterface;
use Ramsey\Uuid\Codec\CodecInterface;
use Ramsey\Uuid\Converter\NumberConverterInterface;
use Ramsey\Uuid\Converter\TimeConverterInterface;
use Ramsey\Uuid\Exception\DateTimeException;
use Ramsey\Uuid\Exception\InvalidArgumentException;
use Ramsey\Uuid\Rfc4122\FieldsInterface as Rfc4122FieldsInterface;
use Ramsey\Uuid\Uuid;
use Throwable;
use function str_pad;
use const STR_PAD_LEFT;
/**
* Time-based, or version 1, UUIDs include timestamp, clock sequence, and node
* values that are combined into a 128-bit unsigned integer
*
* @psalm-immutable
*/
final class UuidV1 extends Uuid implements UuidInterface
{
/**
* Creates a version 1 (time-based) UUID
*
* @param Rfc4122FieldsInterface $fields The fields from which to construct a UUID
* @param NumberConverterInterface $numberConverter The number converter to use
* for converting hex values to/from integers
* @param CodecInterface $codec The codec to use when encoding or decoding
* UUID strings
* @param TimeConverterInterface $timeConverter The time converter to use
* for converting timestamps extracted from a UUID to unix timestamps
*/
public function __construct(
Rfc4122FieldsInterface $fields,
NumberConverterInterface $numberConverter,
CodecInterface $codec,
TimeConverterInterface $timeConverter
) {
if ($fields->getVersion() !== Uuid::UUID_TYPE_TIME) {
throw new InvalidArgumentException(
'Fields used to create a UuidV1 must represent a '
. 'version 1 (time-based) UUID'
);
}
parent::__construct($fields, $numberConverter, $codec, $timeConverter);
}
/**
* Returns a DateTimeInterface object representing the timestamp associated
* with the UUID
*
* The timestamp value is only meaningful in a time-based UUID, which
* has version type 1.
*
* @return DateTimeImmutable A PHP DateTimeImmutable instance representing
* the timestamp of a version 1 UUID
*/
public function getDateTime(): DateTimeInterface
{
$time = $this->timeConverter->convertTime($this->fields->getTimestamp());
try {
return new DateTimeImmutable(
'@'
. $time->getSeconds()->toString()
. '.'
. str_pad($time->getMicroseconds()->toString(), 6, '0', STR_PAD_LEFT)
);
} catch (Throwable $e) {
throw new DateTimeException($e->getMessage(), (int) $e->getCode(), $e);
}
}
}
|
