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Direktori : /data/www_bck/varak.net_bck/nextcloud.varak.net/lib/public/ |
Current File : //data/www_bck/varak.net_bck/nextcloud.varak.net/lib/public/ICacheFactory.php |
<?php declare(strict_types=1); /** * @copyright Copyright (c) 2016, ownCloud, Inc. * * @author Christoph Wurst <christoph@winzerhof-wurst.at> * @author Morris Jobke <hey@morrisjobke.de> * @author Robin Appelman <robin@icewind.nl> * @author Roeland Jago Douma <roeland@famdouma.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/> * */ namespace OCP; /** * Interface ICacheFactory * * @since 7.0.0 */ interface ICacheFactory { /** * Check if any memory cache backend is available * * @return bool * @since 7.0.0 */ public function isAvailable(): bool; /** * Check if a local memory cache backend is available * * @return bool * @since 14.0.0 */ public function isLocalCacheAvailable(): bool; /** * create a cache instance for storing locks * * @param string $prefix * @return IMemcache * @since 13.0.0 */ public function createLocking(string $prefix = ''): IMemcache; /** * create a distributed cache instance * * @param string $prefix * @return ICache * @since 13.0.0 */ public function createDistributed(string $prefix = ''): ICache; /** * create a local cache instance * * @param string $prefix * @return ICache * @since 13.0.0 */ public function createLocal(string $prefix = ''): ICache; /** * Create an in-memory cache instance * * Useful for remembering values inside one process. Cache memory is cleared * when the object is garbage-collected. Implementation may also expire keys * earlier when the TTL is reached or too much memory is consumed. * * Cache keys are local to the cache object. When building two in-memory * caches, there is no data exchange between the instances. * * @param int $capacity maximum number of cache keys * @return ICache * @since 28.0.0 */ public function createInMemory(int $capacity = 512): ICache; }