1. Events & Messages Paul Ard Ales v2.0

2. Generic Exceptions  HardwareFail – the device does not respond  HardwareMalfunction – some part of the device is not working correctly Device still responds and knows what is wrong Example are: Device is jammed, a part is not functioning.

3. Card slot events/messages  Events: Card slot  ATMSoftware Card inserted Card removed  Messages: ATMSoftware  Card slot Retrieve card information Send card to invalid card stack Eject card  Exceptions InvalidCard - card is unreadable/invalid CardStackFull - invalid card stack full EjectCardFail - unable to eject card

4. Bill slot events/messages Slot for withdrawing bills  Bill slot  ATMSoftware Bills taken  ATMSoftware  Bill slot Eject bills Retrieve bills

5. Scanner events/messages  Bill counter  ATMSoftware Valid bill counted Invalid bill detected  Scanner  ATMSoftware Valid money added Invalid money scanned Start scanner Stop scanner

6. Central vault events/messages  Vault  ATMSoftware Vault empty Vault refilled Deposit vault full  ATMSoftware  Vault Retrieve x amount of y bills

7. Deposit events/messages  Coin slot  ATMSoftware Coin of value x inserted Invalid coin inserted  ATMSoftware  Coin slot Return coins  Bill slot + counter handles deposited bills

8. Input vault events/messages  ATMSoftware  Vault Send money to central vault Return money back to client

9. Printer events/messages  Printer  ATMSoftware Out of paper Out of toner  ATMSoftware  Printer Print data x Check paper status Check toner status

10. UI events  Keyboard  ATMSoftware Key x pressed  ATMSoftware  Screen Display bitmap  ATMSoftware  Speaker Play sound x

11. Security events  Security sensors  ATMSoftware Intrusion detected  ATMSoftware  Security sensors Request status

12. Bank server events/messages  Bank server  ATMSoftware Welcome screen Software update  ATMSoftware  Bank server Authenticate PIN + card number for account x  Response Retrieve balance on account x  Response Withdraw amount x from account y

13. Bank server events/messages (cont)  ATMSoftware  Bank server Deposit amount x on account y Request maintenance Intrusion detected Get transaction fee  Response Cancel withdraw transaction

14. Maintenance  Device failure Mechanic needs to bring a new device  Device malfunction Mechanic needs to bring tools  Toner empty Mechanic needs to bring new toner  Paper empty Mechanic needs to bring paper  Low on banknotes Bank needs to transfer money to the ATM  Card stack full Bank needs to empty invalid card slot  Deposit box full Bank needs to transfer money to the bank

15. Changes in requirements

16.  Card Slot incl. card reader Detects card inserted Can eject card Detects card is removed from the user Can read card information Can send card to invalid card stack Card error (unreadable, …)

17. Changes in requirements (cont)  Invalid Card Stack Stores the cards that are confiscated Can notify if card stack is full Card stack error

18. Changes in requirements (cont)  Banknote/coin vault incl. dispenser and intake apparatus Money validation scanner Central vault

19. Changes in requirements (cont)  Scanner Classify input banknotes / coins – one banknote / coin at the time Money input can be disabled or enabled by a message If valid  detect monetary value  send to input vault  notify what money was send to input vault Invalid money is immediately returned Supports only specific ATM currency

20. Changes in requirements (cont)  Incoming vault Can retrieve money It can return all the money out of ATM to user It can send all the money to the central vault “Incoming vault” error

21. Changes in requirements (cont)  Central vault Stores a money Can return specific amount of money Central vault error

22. Questions?

23. Version  17. October 2008  Changes in messages and requirements