mirror of https://github.com/nextcloud/server
95 lines
2.4 KiB
PHP
95 lines
2.4 KiB
PHP
<?php
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declare(strict_types=1);
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/**
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* @copyright Copyright (c) 2016, ownCloud, Inc.
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*
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* @author Christoph Wurst <christoph@winzerhof-wurst.at>
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* @author Morris Jobke <hey@morrisjobke.de>
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* @author Robin Appelman <robin@icewind.nl>
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* @author Roeland Jago Douma <roeland@famdouma.nl>
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*
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace OCP;
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/**
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* Interface ICacheFactory
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*
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* @since 7.0.0
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*/
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interface ICacheFactory {
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/**
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* Check if any memory cache backend is available
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*
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* @return bool
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* @since 7.0.0
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*/
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public function isAvailable(): bool;
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/**
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* Check if a local memory cache backend is available
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*
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* @return bool
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* @since 14.0.0
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*/
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public function isLocalCacheAvailable(): bool;
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/**
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* create a cache instance for storing locks
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*
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* @param string $prefix
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* @return IMemcache
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* @since 13.0.0
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*/
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public function createLocking(string $prefix = ''): IMemcache;
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/**
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* create a distributed cache instance
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*
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* @param string $prefix
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* @return ICache
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* @since 13.0.0
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*/
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public function createDistributed(string $prefix = ''): ICache;
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/**
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* create a local cache instance
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*
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* @param string $prefix
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* @return ICache
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* @since 13.0.0
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*/
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public function createLocal(string $prefix = ''): ICache;
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/**
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* Create an in-memory cache instance
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*
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* Useful for remembering values inside one process. Cache memory is cleared
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* when the object is garbage-collected. Implementation may also expire keys
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* earlier when the TTL is reached or too much memory is consumed.
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*
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* Cache keys are local to the cache object. When building two in-memory
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* caches, there is no data exchange between the instances.
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*
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* @param int $capacity maximum number of cache keys
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* @return ICache
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* @since 28.0.0
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*/
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public function createInMemory(int $capacity = 512): ICache;
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}
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