public async CTask Do()
{
Console.WriteLine("TRAVEL AGENT - Workflow Initialized");
var compensatingActions = new CList <Func <CTask> >();
try
{
var reservationId = await BankConnection.ReserveFunds(1_000, "1234-1234-1234-1234");
compensatingActions.Add(() => BankConnection.CancelReservation(reservationId));
var carBookingId = await AirlineConnection.Book("Mazda 2 Sport");
compensatingActions.Add(() => AirlineConnection.CancelBooking(carBookingId));
var hotelBookingId = await HotelConnection.Book("Hotel Dangleterre Suite");
compensatingActions.Add(() => HotelConnection.CancelBooking(hotelBookingId));
await BankConnection.DeductFunds(reservationId);
}
catch (Exception)
{
compensatingActions.ForEach(a => a());
throw;
}
Console.WriteLine("TRAVEL AGENT - Workflow completed!");
}
