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07ec659385
This project lived only on the server without version control. This is now the starting point for the repository.
62 lines
1.7 KiB
PHP
62 lines
1.7 KiB
PHP
<?php
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/*
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Question2Answer by Gideon Greenspan and contributors
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http://www.question2answer.org/
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File: qa-include/Q2A/Storage/CacheManager.php
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Description: Handler for caching system.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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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 General Public License for more details.
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More about this license: http://www.question2answer.org/license.php
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*/
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/**
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* Caches data (typically from database queries) to the filesystem.
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*/
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class Q2A_Storage_CacheFactory
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{
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private static $cacheDriver = null;
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/**
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* Get the appropriate cache handler.
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* @return Q2A_Storage_CacheDriver The cache handler.
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*/
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public static function getCacheDriver()
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{
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if (self::$cacheDriver === null) {
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$config = array(
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'enabled' => (int) qa_opt('caching_enabled') === 1,
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'keyprefix' => QA_FINAL_MYSQL_DATABASE . '.' . QA_MYSQL_TABLE_PREFIX . '.',
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'dir' => defined('QA_CACHE_DIRECTORY') ? QA_CACHE_DIRECTORY : null,
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);
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$driver = qa_opt('caching_driver');
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switch($driver)
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{
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case 'memcached':
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self::$cacheDriver = new Q2A_Storage_MemcachedDriver($config);
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break;
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case 'filesystem':
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default:
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self::$cacheDriver = new Q2A_Storage_FileCacheDriver($config);
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break;
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}
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}
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return self::$cacheDriver;
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}
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}
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