public static function handleRpc()
 {
     global $model, $viewRegistration;
     $jsonRpc = new jsonRPCServer();
     foreach ($viewRegistration as $crntView) {
         $rpcClass = $crntView->getRpcClass();
         if ($rpcClass) {
             $jsonRpc->registerClass($rpcClass);
         }
     }
     $jsonRpc->handle() or die('no request');
 }