Class Summary |
DVDDispenser |
The DVDDispenser class represents a wrapper for a hardware driver
of the device to receive and dispense the DVDs. |
DVDDispenserEvent |
The DVDDispenserEvent class serves to encapsulate the information associated
with a change in the state of the DVDDispenser, so that it can easily be passed
to the DVDDispenserListeners. |
PaymentCollector |
This class represents the payment-collecting portion of the system: the
credit-card or debit-card reader of the system. |
Printer |
This class represents the printer of the system. |