Example: Self-Service machine (cont.)
The money should also be collected every time interval...
The "Collect Money" use case
A collector is responsible for this use case. The collector may be the same person
as the supplier. The steps that collector must do are the same as the steps of supplier,
but the collector doesn't deal with products, he/she deals with money. When the time
interval has passed this person collects the necessary ammount of money from the
machine.
Collect money use case diagram is following:
