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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <robin@icewind.nl>
*
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
/**
* Public interface of ownCloud for apps to use.
* Cache interface
*
*/
// use OCP namespace for all classes that are considered public.
// This means that they should be used by apps instead of the internal ownCloud classes
namespace OCP;
/**
* This interface defines method for accessing the file based user cache.
*
* @since 8.1.0
*/
interface IMemcache extends ICache {
/**
* Set a value in the cache if it's not already stored
*
* @param string $key
* @param mixed $value
* @param int $ttl Time To Live in seconds. Defaults to 60*60*24
* @return bool
* @since 8.1.0
*/
public function add($key, $value, $ttl = 0);
/**
* Increase a stored number
*
* @param string $key
* @param int $step
* @return int | bool
* @since 8.1.0
*/
public function inc($key, $step = 1);
/**
* Decrease a stored number
*
* @param string $key
* @param int $step
* @return int | bool
* @since 8.1.0
*/
public function dec($key, $step = 1);
/**
* Compare and set
*
* @param string $key
* @param mixed $old
* @param mixed $new
* @return bool
* @since 8.1.0
*/
public function cas($key, $old, $new);
/**
* Compare and delete
*
* @param string $key
* @param mixed $old
* @return bool
* @since 8.1.0
*/
public function cad($key, $old);
}