URLyBird: about how to deal with the situation book a record(booked)

[Ronggen Liu]

Hi guys,

how do you handle the scenario when the user book a record, wihich had been booked by the other user.

my solution is to define a checked exception BookFailedException, and throw it in business method bookRecord.

and handle this in client by getting the root cause of the excepiton, and raise a alert window to show the right information to the user.

what do you guys think about it?

Thank you!
Ronggen

[Chih-Wei Lee]

Hi:
I have the similar solution for this issue.
I also define a custom exception to throw if the scenario occurs but
I throw this exception in my database implementation.