public function indexAction()
    {
        $this->isAllowed('BUSINESS_VIEW_ROLE');

        $em = $this->getDoctrine()->getManager();

        $entities = $em->getRepository('CanalTPSamCoreBundle:Role')->findByIsEditable(true);

        return $this->render('CanalTPSamEcoreSecurityBundle:Role:index.html.twig', array(
            'entities' => $entities,
        ));
    }