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Chapter 6. Tool support for MDSD 123
– Drag and drop the Alert System actor into the context diagram
(Figure 6-35).
– Repeat these steps for the Local Forecaster and Online User actors.
Figure 6-35 Drag an actor into the context diagram
Create associations between the actors and the Weather Tracking System:
– In the context diagram hover over the Online User actor.
– Grab the handle and drag it on top of the Weather Tracking System
class.
– Drop it on the class and select Create Bidirectional Association from
the pop-up dialog.
– Perform the steps also for the Alert System and the Local Forecaster
actors (Figure 6-36).
Figure 6-36 Context diagram: Weather Tracking System with actors