/**
  * @Route("/example/create", name="examplecreate")
  */
 public function createAction()
 {
     $amount = new Amount();
     $amount->setName('liter');
     $amount2 = new Amount();
     $amount2->setName('kg');
     $category = new Category();
     $category->setName('spices');
     $category2 = new Category();
     $category2->setName('liquids');
     $ingredient = new Ingredient();
     $ingredient->setName('milk');
     $ingredient->setAmount(2);
     $ingredient->setCategoryID($category);
     $ingredient->setAmountID($amount2);
     $em = $this->getDoctrine()->getManager();
     $em->persist($amount);
     $em->persist($amount2);
     $em->persist($category);
     $em->persist($category2);
     $em->persist($ingredient);
     $em->flush();
     return $this->render('default/index.html.twig', array('base_dir' => realpath($this->container->getParameter('kernel.root_dir') . '/..')));
 }