Newscoop\Entity\Publication::getId PHP Method

    public function getId()
    {
        return $this->id;
    }

 /**
  * @Route("/admin/publications/{id}/remove/", name="newscoop_newscoop_publications_remove")
  */
 public function removeAction(Request $request, Publication $publication)
 {
     $em = $this->container->get('em');
     $user = $this->container->get('user')->getCurrentUser();
     $translator = $this->container->get('translator');
     if (!$user->hasPermission('ManagePub')) {
         throw new AccessDeniedException($translator->trans("You do not have the right to delete publications.", array(), 'pub'));
     }
     $issuesRemaining = $em->getRepository('Newscoop\\Entity\\Issue')->getIssuesCountForPublication($publication->getId())->getSingleScalarResult();
     $sectionsRemaining = $em->getRepository('Newscoop\\Entity\\Section')->getSectionsCountForPublication($publication->getId())->getSingleScalarResult();
     $articlesRemaining = $em->getRepository('Newscoop\\Entity\\Article')->getArticlesCountForPublication($publication->getId())->getSingleScalarResult();
     $form = $this->createForm(new RemovePublicationType(), $publication);
     if ($request->getMethod() === 'POST' && $issuesRemaining == 0 && $sectionsRemaining == 0 && $articlesRemaining == 0) {
         $form->handleRequest($request);
         if ($form->isValid()) {
             $em->remove($publication);
             $em->flush();
             $cacheService = $this->container->get('newscoop.cache');
             $cacheService->clearNamespace('publication');
             $this->get('session')->getFlashBag()->add('success', $translator->trans('publications.publication_removed', array(), 'pub'));
             return new RedirectResponse($this->generateUrl('newscoop_newscoop_publications_index'));
         }
     }
     return $this->render('NewscoopNewscoopBundle:BackendPublications:remove.html.twig', array('publication' => $publication, 'issuesRemaining' => $issuesRemaining, 'sectionsRemaining' => $sectionsRemaining, 'articlesRemaining' => $articlesRemaining, 'form' => $form->createView()));
 }