Manual login for symfony

gistfile1.txt

     public function manualLoginAction()
     {
         $user = $this->getDoctrine()->getRepository('UserBundle:User')->find(1); 
         $token = new UsernamePasswordToken($user, $user->getPassword(), 'admin_area', $user->getRoles());
         $this->get('security.context')->setToken($token);
 
         $request = $this->get('request');
         $event = new InteractiveLoginEvent($request, $token);
         $this->get("event_dispatcher")->dispatch('security.interactive_login', $event);
 
         echo 'Logged in';
     }