urakozz/php-laravel-docrtine-cache

<?php
/**
 * PHP Version 5
 *
 * @category  H24
 * @package
 * @author    "Yury Kozyrev" <yury.kozyrev@home24.de>
 * @copyright 2015 Home24 GmbH
 * @license   Proprietary license.
 * @link      http://www.home24.de
 */

namespace Kozz\Laravel;


use Doctrine\Common\Cache\Cache;
use Illuminate\Container\Container;

class LaravelDoctrineCache implements Cache
{
    /**
     * @var \Illuminate\Contracts\Cache\Repository
     */
    protected $laravelCache;

    public function __construct()
    {
        $this->laravelCache = Container::getInstance()->offsetGet('cache');
    }

    /**
     * Fetches an entry from the cache.
     *
     * @param string $id The id of the cache entry to fetch.
     *
     * @return mixed The cached data or FALSE, if no cache entry exists for the given id.
     */
    public function fetch($id)
    {
        return $this->laravelCache->get($id, false);
    }

    /**
     * Tests if an entry exists in the cache.
     *
     * @param string $id The cache id of the entry to check for.
     *
     * @return boolean TRUE if a cache entry exists for the given cache id, FALSE otherwise.
     */
    public function contains($id)
    {
        return $this->laravelCache->has($id);
    }

    /**
     * Puts data into the cache.
     *
     * @param string $id The cache id.
     * @param mixed $data The cache entry/data.
     * @param int $lifeTime The cache lifetime.
     *                         If != 0, sets a specific lifetime for this cache entry (0 => infinite lifeTime).
     *
     * @return boolean TRUE if the entry was successfully stored in the cache, FALSE otherwise.
     */
    public function save($id, $data, $lifeTime = 0)
    {
        $lifeTime = max(0, $lifeTime);
        return $lifeTime
            ? $this->laravelCache->add($id, $data, $lifeTime)
            : $this->laravelCache->forever($id, $data);
    }

    /**
     * Deletes a cache entry.
     *
     * @param string $id The cache id.
     *
     * @return boolean TRUE if the cache entry was successfully deleted, FALSE otherwise.
     */
    public function delete($id)
    {
        return $this->laravelCache->get($id);
    }

    /**
     * Retrieves cached information from the data store.
     *
     * The server's statistics array has the following values:
     *
     * - <b>hits</b>
     * Number of keys that have been requested and found present.
     *
     * - <b>misses</b>
     * Number of items that have been requested and not found.
     *
     * - <b>uptime</b>
     * Time that the server is running.
     *
     * - <b>memory_usage</b>
     * Memory used by this server to store items.
     *
     * - <b>memory_available</b>
     * Memory allowed to use for storage.
     *
     * @since 2.2
     *
     * @return array|null An associative array with server's statistics if available, NULL otherwise.
     */
    public function getStats()
    {
        return null;
    }
}