public function editAction($id)
        {

            /** @var Customer $oCustomer */
            $oCustomer = CustomerQuery::create()->findOneById($id);

            if (count($oCustomer) === 0) {
                throw $this->createNotFoundException('Unable to find Customer entity.');
            }

            $oEditForm   = $this->createEditForm($oCustomer);
            $oDeleteForm = $this->createDeleteForm($id);

            return $this->render('SlashworksAppBundle:Customer:edit.html.twig', array(
                'entity'      => $oCustomer,
                'edit_form'   => $oEditForm->createView(),
                'delete_form' => $oDeleteForm->createView(),
            ));
        }