code: @Override
    public IdleMessage getIdleStatus() {
      boolean idleState = !this.state.isRestarting();
      final String idleMessage = idleState ? CLASS_NAME + " currently not in the process of restart." :
          CLASS_NAME + " currently in the process of restart.";
      return new IdleMessage(CLASS_NAME, idleMessage, idleState);
    }
docs: {@inheritDoc}
  @return True if not in process of restart. False otherwise.