Chapter 6. Tool support for MDSD 127
– Name the class Location.
– Repeat these steps to create IO_entity classes WeatherData and
HazardousWeatherAlert.
– In the Project Explorer, expand the 00 Enterprise Level folder.
– Select all three IO_entity classes.
– Drag and drop the three classes into the Logical Elements package to
relocate them.
– Figure 6-41 shows the context diagram.
Figure 6-41 Context diagram with I/O entities
Create associations for the I/O entity classes:
– In the context diagram select the Association element from the Palette.
– Drag the mouse from the Alert System actor to the
HazardousWeatherAlert I/O_entity.
– In the Properties view for the new association select the Stereotypes tab.
– Click Apply Stereotypes.
–Select <<receive>> in the Apply Stereotypes dialog.
– Click OK (Figure 6-42).
