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<?php
/**
* TFastSqlMapApplicationCache class file contains Fast SqlMap cache implementation.
*
* @author Berczi Gabor <gabor.berczi@devworx.hu>
* @link http://www.pradosoft.com/
* @copyright Copyright © 2005-2014 PradoSoft
* @license http://www.pradosoft.com/license/
* @package Prado\Data\SqlMap\DataMapper
*/
namespace Prado\Data\SqlMap\DataMapper;
use Prado\Caching\ICache;
use Prado\Prado;
/**
* TFastSqlMapApplicationCache class file
*
* Fast SqlMap result cache class with minimal-concurrency get/set and atomic flush operations
*
* @author Berczi Gabor <gabor.berczi@devworx.hu>
* @package Prado\Data\SqlMap\DataMapper
* @since 3.2
*/
class TFastSqlMapApplicationCache implements ICache
{
protected $_cacheModel=null;
protected $_cache=null;
public function __construct($cacheModel=null)
{
$this->_cacheModel = $cacheModel;
}
protected function getBaseKeyKeyName()
{
return 'SqlMapCacheBaseKey::'.$this->_cacheModel->getId();
}
protected function getBaseKey()
{
$cache = $this->getCache();
$keyname = $this->getBaseKeyKeyName();
$basekey = $cache->get($keyname);
if (!$basekey)
{
$basekey = DxUtil::generateRandomHash(8);
$cache->set($keyname,$basekey);
}
return $basekey;
}
protected function getCacheKey($key)
{
return $this->getBaseKey().'###'.$key;
}
public function delete($key)
{
$this->getCache()->delete($this->getCacheKey($key));
}
public function flush()
{
$this->getCache()->delete($this->getBaseKeyKeyName());
}
public function get($key)
{
$result = $this->getCache()->get($this->getCacheKey($key));
return $result === false ? null : $result;
}
public function set($key, $value,$expire=0,$dependency=null)
{
$this->getCache()->set($this->getCacheKey($key), $value, $expire,$dependency);
}
protected function getCache()
{
if (!$this->_cache)
$this->_cache = Prado::getApplication()->getCache();
return $this->_cache;
}
public function add($id,$value,$expire=0,$dependency=null)
{
throw new TSqlMapException('sqlmap_use_set_to_store_cache');
}
}
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