public function addAction()
 {
     $form = new SerialNameForm();
     $request = $this->getRequest();
     if ($request->isPost()) {
         $serialName = new SerialName();
         $form->setInputFilter($serialName->getInputFilter());
         $form->setData($request->getPost());
         if ($form->isValid()) {
             $serialName->exchangeArray($form->getData());
             $this->getSerialNameTable()->save($serialName);
             return $this->redirect()->toRoute('admin/serial_name');
         }
     }
     return array('form' => $form, 'config' => $this->config);
 }