newState(name, HEALTH_CHECK);
doPing(name, DefaultRobustnessController.ACTIVE, DEAD);
    public void heartbeatFailure(String name) {      if (getState(name) == DefaultRobustnessController.ACTIVE &&          isLocal(name)) {        logger.info("Heartbeat timeout: agent=" + name);        newState(name, HEALTH_CHECK);      }    }