O'Reilly logo

Visual Modeling with Rational Rose 2002 and UML by Terry Quatrani

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Designing Relationships

The following design decisions must be made for relationships: navigation, containment, refinement, and multiplicity implementation.

Navigation

Associations and aggregations are bidirectional relationships. During design, associations are revisited to determine if bidirectionality is indeed needed. If possible, the relationship is made unidirectional (i.e., navigable in only one direction) since unidirectional relationships are easier to implement and maintain.

SETTING NAVIGATION IN RATIONAL ROSE

1.
Right-click at the end of the association or aggregation line to be made non-navigable to make the shortcut menu visible. ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required