public static function init()
 {
     $Class = get_called_class();
     $dispatcher = EventProxy::getInstance();
     $dispatcher->addListener(EventProxy::GET_TAG_CACHE, array(new $Class(), 'onGetTagcache'));
 }
 public function boot()
 {
     $dispatcher = EventProxy::getInstance();
     $dispatcher->addListener(EventProxy::GET_TAG_CACHE, array($this, 'onGetTagcache'));
 }