Connie's Convenience Store - About Peter Coad
Connie's Convenience Store - About Peter Coad
Connie's Convenience Store - About Peter Coad
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Scenario: actual cashier logs on.<br />
Register<br />
Session<br />
Cashier<br />
<strong>Store</strong><br />
LogonWindow<br />
Scenario constraint:<br />
0.1 seconds, 9 out of 10 times,<br />
0.5 seconds max.<br />
addSession<br />
create<br />
verifyPassword<br />
addSession<br />
getCashierForNumber<br />
logon<br />
Now add in the other housekeeping activities, putting together the full scenario<br />
(Figure 1–50):<br />
74<br />
logon logonWindow.logon<br />
store.getCashierForNumber (number ; cashier)<br />
cashier.verifyPassword (password ; result)<br />
getCashierForNumber<br />
verifyPassword<br />
Session.create (cashier, register ; session)<br />
cashier.addSession (session ; )<br />
create<br />
addSession<br />
register.addSession (session ; )<br />
addSession<br />
Figure 1–49: The “log on” view (round II).
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