107 lines
2.8 KiB
PHP
107 lines
2.8 KiB
PHP
<?php
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/**
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* @author Andreas Fischer <bantu@owncloud.com>
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* @author Bart Visscher <bartv@thisnet.nl>
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* @author Joas Schilling <nickvergessen@gmx.de>
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* @author Jörn Friedrich Dreyer <jfd@butonic.de>
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* @author Lukas Reschke <lukas@owncloud.com>
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* @author Markus Goetz <markus@woboq.com>
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* @author Robin Appelman <icewind@owncloud.com>
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* @author Robin McCorkell <rmccorkell@karoshi.org.uk>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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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 OC\Memcache;
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use \OCP\ICacheFactory;
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class Factory implements ICacheFactory {
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/**
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* @var string $globalPrefix
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*/
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private $globalPrefix;
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/**
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* @param string $globalPrefix
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*/
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public function __construct($globalPrefix) {
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$this->globalPrefix = $globalPrefix;
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}
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/**
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* get a cache instance, or Null backend if no backend available
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*
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* @param string $prefix
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* @return \OC\Memcache\Cache
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*/
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function create($prefix = '') {
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$prefix = $this->globalPrefix . '/' . $prefix;
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if (XCache::isAvailable()) {
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return new XCache($prefix);
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} elseif (APCu::isAvailable()) {
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return new APCu($prefix);
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} elseif (APC::isAvailable()) {
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return new APC($prefix);
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} elseif (Redis::isAvailable()) {
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return new Redis($prefix);
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} elseif (Memcached::isAvailable()) {
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return new Memcached($prefix);
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} else {
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return new ArrayCache($prefix);
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}
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}
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/**
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* check if there is a memcache backend available
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*
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* @return bool
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*/
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public function isAvailable() {
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return XCache::isAvailable() || APCu::isAvailable() || APC::isAvailable() || Redis::isAvailable() || Memcached::isAvailable();
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}
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/**
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* get a in-server cache instance, will return null if no backend is available
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*
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* @param string $prefix
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* @return null|Cache
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*/
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public function createLowLatency($prefix = '') {
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$prefix = $this->globalPrefix . '/' . $prefix;
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if (XCache::isAvailable()) {
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return new XCache($prefix);
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} elseif (APCu::isAvailable()) {
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return new APCu($prefix);
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} elseif (APC::isAvailable()) {
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return new APC($prefix);
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} else {
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return null;
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}
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}
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/**
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* check if there is a in-server backend available
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*
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* @return bool
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*/
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public function isAvailableLowLatency() {
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return XCache::isAvailable() || APCu::isAvailable() || APC::isAvailable();
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}
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}
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