B.8. Observer pattern tags

Figure B.8 shows the static structure of the Observer pattern (Gamma et al. 1995) annotated with UML-F tags. Table B.8 summarizes the Observer pattern UML-F tags. Observer is based on the Separation construction principle.

Figure B.8. Structure of the Observer pattern annotated with UML-F tags.

Table B.8. Definition of the UML-F Observer pattern tags.
Tags «Observer–Subject»,«Observer–Observer»,«Observer–ConcreteObserver»,«Observer–notify»,«Observer–update»,«Observer–update»,«Observer–observers»
Apply to As shown in Fig. B.8:

Class («Observer–Subject», «Observer–Observer», «Observer–ConcreteObserver»)

Method («Observer–notify», ...

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