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<?php
/**
* @copyright Copyright (c) 2016, ownCloud, Inc.
*
* @author Lukas Reschke <lukas@statuscode.ch>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Roeland Jago Douma <roeland@famdouma.nl>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Thomas Tanghus <thomas@tanghus.net>
*
* @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/>
*
*/
// 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 6.0.0
*/
interface ICache {
/**
* Get a value from the user cache
* @param string $key
* @return mixed
* @since 6.0.0
*/
public function get($key);
/**
* Set a value in the user cache
* @param string $key
* @param mixed $value
* @param int $ttl Time To Live in seconds. Defaults to 60*60*24
* @return bool
* @since 6.0.0
*/
public function set($key, $value, $ttl = 0);
/**
* Check if a value is set in the user cache
* @param string $key
* @return bool
* @since 6.0.0
* @deprecated 9.1.0 Directly read from GET to prevent race conditions
*/
public function hasKey($key);
/**
* Remove an item from the user cache
* @param string $key
* @return bool
* @since 6.0.0
*/
public function remove($key);
/**
* Clear the user cache of all entries starting with a prefix
* @param string $prefix (optional)
* @return bool
* @since 6.0.0
*/
public function clear($prefix = '');
/**
* Check if the cache implementation is available
* @since 24.0.0
*/
public static function isAvailable(): bool;
}
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