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Creating Links |
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You can create two types of link in the BOM Graphical Editor: generalization links and reference links. A generalization link creates an inheritance relationship between a class and its superclass and can take any classes, including the classes that belong to the java.lang
and java.util
packages.
To create a generalization link between two classes:
A generalization link is displayed in the BOM Graphical Editor as shown in Figure 8.17. The arrowhead at the end of the line indicates the superclass.
To create a reference link between two classes:
A reference link is displayed in the BOM Graphical Editor as shown in Figure 8.18. The arrowhead at the end of the line indicates the referenced class.
To create an inverted reference link:
The arrowhead of the link disappears and the names of two attributes are displayed at each end of the link. An inverted reference link implies a relationship in both directions.
If you delete one of the two references after having created an inverse reference, the whole link is deleted.
Adding Elements to a BOM | BOM Graphical Editor Toolbar
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