Hgraca\Cache\Null\NullCache

Complexity

Total Complexity

6

Size/Duplication

Total Lines	46
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	fetch()	0	5	1
A	contains()	0	4	1
A	save()	0	4	1
A	delete()	0	4	1
A	getStats()	0	11	1

<?php

namespace Hgraca\Cache\Null;

use DateTime;
use Hgraca\Cache\CacheInterface;
use Hgraca\Cache\Exception\CacheItemNotFoundException;

final class NullCache implements CacheInterface
{
    /** @var DateTime */
    private $creationTime;

    /** @var int */
    private $misses;

    public function __construct()
    {
        $this->creationTime = new DateTime();
    }

    public function fetch(string $id)
    {
        $this->misses++;
        throw new CacheItemNotFoundException();
    }

    public function contains(string $id): bool
    {
        return false;
    }

    public function save(string $id, $data, int $lifeTime = 0): bool
    {
        return false;
    }

    public function delete(string $id): bool
    {
        return true;
    }

    public function getStats(): array
    {
        return [
            static::STATS_HITS => 0,
            static::STATS_MISSES => $this->misses,
            static::STATS_UPTIME => $this->creationTime->getTimestamp(),
            static::STATS_MEMORY_USAGE => memory_get_usage(),
            static::STATS_MEMORY_AVAILABLE => ini_get('memory_limit') - memory_get_usage(),
            static::STATS_ITEM_COUNT => 0,
        ];
    }
}