@Override @DB public void addRouterToGuestNetwork(VirtualRouter router, Network guestNetwork) { if (_routerNetworkDao.findByRouterAndNetwork(router.getId(), guestNetwork.getId()) == null) { NetworkOffering off = _offDao.findById(guestNetwork.getNetworkOfferingId()); if (!(off.getName().equalsIgnoreCase(NetworkOffering.SystemPrivateGatewayNetworkOffering))) { TransactionLegacy txn = TransactionLegacy.currentTxn(); txn.start(); // 1) add router to network RouterNetworkVO routerNtwkMap = new RouterNetworkVO(router.getId(), guestNetwork.getId(), guestNetwork.getGuestType()); _routerNetworkDao.persist(routerNtwkMap); // 2) create user stats entry for the network UserStatisticsVO stats = _userStatsDao.findBy( router.getAccountId(), router.getDataCenterId(), guestNetwork.getId(), null, router.getId(), router.getType().toString()); if (stats == null) { stats = new UserStatisticsVO( router.getAccountId(), router.getDataCenterId(), null, router.getId(), router.getType().toString(), guestNetwork.getId()); _userStatsDao.persist(stats); } txn.commit(); } } }