May 2002
Intermediate to advanced
416 pages
8h 37m
English
Content preview from Executable UML: A Foundation for Model-Driven Architecture
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6.6. Reflexive Associations
Links can exist between instances of the same class, for example, between nodes in a ring network or authors of a book. Associations that have the same class at both ends are known as reflexive associations.
Definition: A reflexive association is an association between instances of the same class.
Reflexive associations to model sequence.
The individual author credits on a book (Authorships) appear in a certain sequence. Each credit may have a role (e.g., editor, compiled by, as told to). We can model this as in Figure 6.19.
Figure 6.19. Reflexive Association Modeling Sequence
Generally these reflexive associations are ...
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