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Chapter 6. Tool support for MDSD 125
– Repeat these steps for the use cases RegisterForAlert and
GetLocalForecast.
– In the Project Explorer, expand the Actors folder.
– Expand the Alert System folder.
– Select the Alert System actor and drop it into the diagram.
– Repeat the last two steps for the actors Online User and Local
Forecaster.
– In the Palette, select Association.
– Drag the mouse from Online User to GetLocalForecast to create an
association (Figure 6-38).
Figure 6-38 Create an association in the use case diagram
– Create an association between Alert System and RegisterForAlert.
– Create an association between Local Forecaster and
GetRawWeatherData.
– The use case diagram is shown in Figure 6-39.