public class CreateOrderSagaState {

  private Long orderId;
  private OrderDetails orderDetails;
  private long ticketId;

  public Long getOrderId() {
    return orderId;
  }

  private CreateOrderSagaState() {
  }

  public CreateOrderSagaState(Long orderId, OrderDetails orderDetails) { ← Orderservice가 호출하여 CreateOrdersagastate 인스턴스를 생성 
    this.orderId = orderId;
    this.orderDetails = orderDetails;
  }

  CreateTicket makeCreateTicketCommand() {  ← CreateTicket 커맨드 메시지 생성
    return new CreateTicket(getOrderDetails().getRestaurantId(),
                  getOrderId(), makeTicketDetails(getOrderDetails()));
  }

  void handleCreateTicketReply(CreateTicketReply reply) {  ← 새로 만든 티켓 ID 저장
    logger.debug("getTicketId {}", reply.getTicketId());
    setTicketId(reply.getTicketId());
  }

  CancelCreateTicket makeCancelCreateTicketCommand() {  ← CancelCreateTicket 커맨드 메시지 생성
    return new CancelCreateTicket(getOrderId());
  }

  ...