CacheItem::expired() - Code Metrics - Inspection of "Refactoring CacheInterface and add early expiratio..." - yiisoft/cache - Measure and Improve Code Quality continuously with Scrutinizer

Test Failed

Pull Request — master (#74)

by Evgeniy

created 2020-12-11 18:18 UTC

CacheItem::expired() A

↳ Parent: CacheItem

Complexity

Conditions	4
Paths	4

Size

Total Lines	22
Code Lines	12

Duplication

Lines	0
Ratio	0 %

Importance

Changes	2
Bugs	0	Features	1

Metric	Value
eloc	12
c	2
b	0
f	1
dl	0
loc	22
rs	9.8666
cc	4
nc	4
nop	1

<?php

declare(strict_types=1);

namespace Yiisoft\Cache\Metadata;

use Yiisoft\Cache\Exception\InvalidArgumentException;

use function ceil;
use function log;
use function microtime;
use function random_int;
use function sprintf;
use function time;

use const PHP_INT_MAX;

final class CacheItem
{
    private ?int $expiry;
    private float $created;

    public function __construct(?int $expiry)
    {
        $this->expiry = $expiry;
        $this->created = microtime(true);
    }

    public function expiry(?int $expiry): void
    {
        $this->expiry = $expiry;
        $this->created = microtime(true);
    }

    public function expired(float $beta): bool
    {
        if ($beta < 0) {
            throw new InvalidArgumentException(sprintf(
                'Argument "$beta" must be a positive number, %f given.',
                $beta
            ));
        }

        if ($this->expiry === null) {
            return false;
        }

        if ($this->expiry <= time()) {
            return true;
        }

        $now = microtime(true);
        $delta = ceil(1000 * ($now - $this->created)) / 1000;
        $expired = $now - $delta * $beta * log(random_int(1, PHP_INT_MAX) / PHP_INT_MAX);

        return $this->expiry <= $expired;
    }
}


1			<?php
2
3			declare(strict_types=1);
4
5			namespace Yiisoft\Cache\Metadata;
6
7			use Yiisoft\Cache\Exception\InvalidArgumentException;
8
9			use function ceil;
10			use function log;
11			use function microtime;
12			use function random_int;
13			use function sprintf;
14			use function time;
15
16			use const PHP_INT_MAX;
17
18			final class CacheItem
19			{
20			private ?int $expiry;
21			private float $created;
22
23			public function __construct(?int $expiry)
24			{
25			$this->expiry = $expiry;
26			$this->created = microtime(true);
27			}
28
29			public function expiry(?int $expiry): void
30			{
31			$this->expiry = $expiry;
32			$this->created = microtime(true);
33			}
34
35			public function expired(float $beta): bool
36			{
37			if ($beta < 0) {
38			throw new InvalidArgumentException(sprintf(
39			'Argument "$beta" must be a positive number, %f given.',
40			$beta
41			));
42			}
43
44			if ($this->expiry === null) {
45			return false;
46			}
47
48			if ($this->expiry <= time()) {
49			return true;
50			}
51
52			$now = microtime(true);
53			$delta = ceil(1000 * ($now - $this->created)) / 1000;
54			$expired = $now - $delta * $beta * log(random_int(1, PHP_INT_MAX) / PHP_INT_MAX);
55
56			return $this->expiry <= $expired;
57			}
58			}
59

yiisoft / cache

Pull Request — master (#74)

CacheItem::expired() A

Complexity

Size

Duplication

Importance

Duplication Side-by-Side

Filter issues like