Statechart Diagram Kinds of Events

Appointment

start

duration

cancel ()

delete ()

• CallEvent: receipt of a message: cancel

• SignalEvent: receipt of a signal: left_button_down

• ChangeEvent: a condition evaluates to true: when(x<y)

• TimeEvent: relative or absolute point in time: after(5 sec.)

delete

delete

Active

new

Canceled

cancel

Finished

when(start+duration<=now)

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