public function __construct(&$config, &$db_assertor)
{
parent::__construct($config, $db_assertor);
if (!empty($config['Cache']['memcacheprefix'])) {
$this->prefix =& $config['Cache']['memcacheprefix'];
}
$this->memcache = vB_Memcache::instance();
}
/**
* Cleans cache.
*
* @param bool $only_expired - Only clean expired entries
*/
public function clean($only_expired = true)
{
if (!$only_expired) {
$this->memcached->flush();
$this->cleanNow();
$this->events = array();
if (self::$cacheLogging) {
$this->logCacheAction(0, self::CACHE_LOG_CLEAR, $this->cachetype);
}
}
}
public static function instance()
{
if (!isset(self::$instance)) {
if (class_exists('Memcached', FALSE)) {
$class = 'vB_Memcached';
} else {
if (class_exists('Memcache', FALSE)) {
$class = __CLASS__;
} else {
throw new Exception('Memcached is not installed');
}
}
self::$instance = new $class();
self::$instance->config = vB::getConfig();
}
return self::$instance;
}
