@Override
  public void run(final FlowTrigger chain, Map data) {
    final VirtualRouterVmInventory vr =
        (VirtualRouterVmInventory) data.get(VirtualRouterConstant.Param.VR.toString());
    VmNicInventory guestNic = vr.getGuestNic();
    if (!vrMgr.isL3NetworkNeedingNetworkServiceByVirtualRouter(
        guestNic.getL3NetworkUuid(), PortForwardingConstant.PORTFORWARDING_NETWORK_SERVICE_TYPE)) {
      chain.next();
      return;
    }

    boolean isNewCreated = data.containsKey(Param.IS_NEW_CREATED.toString());

    List<PortForwardingRuleVO> ruleVOs = findRulesForThisRouter(vr, data, isNewCreated);
    if (ruleVOs.isEmpty()) {
      chain.next();
      return;
    }

    Map<String, PortForwardingRuleVO> ruleMap =
        new HashMap<String, PortForwardingRuleVO>(ruleVOs.size());
    for (PortForwardingRuleVO rvo : ruleVOs) {
      ruleMap.put(rvo.getUuid(), rvo);
    }

    Collection<PortForwardingRuleTO> tos = calculateAllRules(ruleMap, vr.getUuid());
    List<PortForwardingRuleTO> toList = new ArrayList<PortForwardingRuleTO>(tos.size());
    toList.addAll(tos);

    SyncPortForwardingRuleCmd cmd = new SyncPortForwardingRuleCmd();
    cmd.setRules(toList);

    VirtualRouterAsyncHttpCallMsg msg = new VirtualRouterAsyncHttpCallMsg();
    msg.setCommand(cmd);
    msg.setPath(VirtualRouterConstant.VR_SYNC_PORT_FORWARDING);
    msg.setVmInstanceUuid(vr.getUuid());
    bus.makeTargetServiceIdByResourceUuid(msg, VmInstanceConstant.SERVICE_ID, vr.getUuid());
    bus.send(
        msg,
        new CloudBusCallBack(chain) {
          @Override
          public void run(MessageReply reply) {
            if (!reply.isSuccess()) {
              chain.fail(reply.getError());
              return;
            }

            VirtualRouterAsyncHttpCallReply re = reply.castReply();
            SyncPortForwardingRuleRsp ret = re.toResponse(SyncPortForwardingRuleRsp.class);
            if (ret.isSuccess()) {
              String info =
                  String.format(
                      "successfully sync port forwarding rules served by virtual router[name: %s uuid: %s]",
                      vr.getName(), vr.getUuid());
              logger.debug(info);
              chain.next();
            } else {
              String err =
                  String.format(
                      "failed to sync port forwarding rules served by virtual router[name: %s, uuid: %s], because %s",
                      vr.getName(), vr.getUuid(), ret.getError());
              logger.warn(err);
              chain.fail(errf.stringToOperationError(err));
            }
          }
        });
  }