core/Classes/Cache/Backend/BackendInterface.php

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<?php
namespace TYPO3\CMS\Core\Cache\Backend;

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

interface BackendInterface
{
    public function setCache(\TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache);

    public function set($entryIdentifier, $data, array $tags = array(), $lifetime = null);

    public function get($entryIdentifier);

    public function has($entryIdentifier);

    public function remove($entryIdentifier);

    public function flush();

    public function collectGarbage();
}