UML Weekend Crash Course™ - To Parent Directory

Session 20—Modeling the Dynamic View: The Statechart Diagram 207
Prospect
order placed/
Active
Figure 20-7 The transition from Prospect to Active
Now examine the event and determine what, if any, corresponding action needs to occur.
Figure 20-8 shows the action addOrder(Order). This operation associates the newly placed
order with the customer. According to the client’s rules, this makes him an active customer.
Prospect
order placed/ addOrder(Order)
Active
Figure 20-8 Associating an action with an event
The second event, payment past due, triggers the transition to On Probation. Figure 20-9
illustrates the new state, the event, the transition from active to on probation, and the
action that actually makes the change to the object, setProbation(True).
Prospect
order placed/ addOrder(Order)
Active
[payment past due]/
setProbation(true)
On Probation
Figure 20-9
Adding the second transition