86 lines
1.9 KiB
PHP
86 lines
1.9 KiB
PHP
<?php
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/**
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* Copyright (c) 2013 Robin Appelman <icewind@owncloud.com>
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* This file is licensed under the Affero General Public License version 3 or
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* later.
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* See the COPYING-README file.
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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, will return null if no backend is 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 (Memcached::isAvailable()) {
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return new Memcached($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 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() || 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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