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2.3 Relationship Tool

The Relationship Tool is used for viewing and editing specifications of relationship types. Examples of relationship types are Transition in WatchApplication diagrams, or Inheritance in UML Class Diagram.

Relationship Tool

Figure 2–13. Relationship Tool.

The fields in the Relationship Tool are the same as the Basics page of the Graph Tool (Section 2.1.3 and 2.1.4). Relationship types can have symbols and Icons as well (see Symbol and Icon Editors, Section 2.2.3). If no symbol is defined, relationships have no visible component in Diagram Editors, just a red dot at the middle or meeting point of the role lines.

Note that the rules about which objects can be connected by which relationships are not part of the relationship type, but rather are defined by bindings and constraints in the Graph type (see Sections 2.1.6 and 2.1.8).

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