Acme\App\Infrastructure\Persistence\InMemory\KeyValueStorage

Complexity

Total Complexity

8

Size/Duplication

Total Lines	41
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	0

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	get()	0	8	2
A	set()	0	4	1
A	has()	0	4	1
A	remove()	0	6	2
A	createKey()	0	4	1

<?php

declare(strict_types=1);

/*
 * This file is part of the Explicit Architecture POC,
 * which is created on top of the Symfony Demo application.
 *
 * (c) Herberto Graça <herberto.graca@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Acme\App\Infrastructure\Persistence\InMemory;

use Acme\App\Core\Port\Persistence\KeyValueStorageInterface;

/**
 * @author Kasper Agg
 * @author Herberto Graca <herberto.graca@gmail.com>
 */
final class KeyValueStorage implements KeyValueStorageInterface
{
    /** @var array */
    private $storage;

    public function __construct(array $data = [])
    {
        $this->storage = $data;
    }

    public function get(string $namespace, string $key): ?string
    {
        if (!$this->has($namespace, $key)) {
            return null;
        }

        return $this->storage[$this->createKey($namespace, $key)];
    }

    public function set(string $namespace, string $key, string $value): void
    {
        $this->storage[$this->createKey($namespace, $key)] = $value;
    }

    public function has(string $namespace, string $key): bool
    {
        return array_key_exists($this->createKey($namespace, $key), $this->storage);
    }

    public function remove(string $namespace, string $key): void
    {
        if ($this->has($namespace, $key)) {
            unset($this->storage[$this->createKey($namespace, $key)]);
        }
    }

    private function createKey(string $namespace, string $key): string
    {
        return sprintf('%s_%s', $namespace, $key);
    }
}