cachefactory_class.php
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<?php
/**
* Tiny - A PHP Framework For Web Artisans
* @author Tiny <tinylofty@gmail.com>
* @copyright Copyright(c) 2010-2014 http://www.tinyrise.com All rights reserved
* @version 1.0
*/
/**
* 缓存工厂类
*
* @author Tiny
* @class CacheFactory
*/
class CacheFactory
{
private static $obj;
private static $cache;
private function __construct(){}
private function __clone(){}
/**
* 实例化
* @access public
* @param string $type
* @return mixed
*/
public static function getInstance($type = 'file')
{
if(!self::$obj instanceof self)
{
self::$obj = new self();
self::$cache = self::getCache($type);
}
return self::$cache;
}
/**
* 取得缓存类
*
* @access private
* @param mixed $type
* @return mixed
*/
private static function getCache($type)
{
$obj = null;
if($type=='db'){
$obj = new DbCache();
}
else{
$obj = new FileCache();
}
return $obj;
}
}
?>