Defining associations
Association properties
An association has the following properties:
Property
Name
Code
Comment
Stereotype
Aggregation/ composition
Role A
Role B
Multiplicity
Ordering
Navigable
Changeability
Visibility
Description
Name of the association
Reference name for the association
Descriptive comment for the association
Subclassification of an association derived from an existing one. Extends the semantics of an association without changing it's structure
Indicates whether the association is an aggregation or a composition
One end of an association. Each role can have a name and a cardinality. You can make a role navigable or not, or change its visibility
One end of an association. Each role can have a name and a cardinality. You can make a role navigable or not, or change its visibility
Minimum and maximum number of instances that the association can have
Indicates that the association is included in the ordering that sorts the list of associations by their order of creation.
Indicates whether or not information can be transmitted between the two objects that are linked by the relationship
Specifies if the value of the association can be modified or not once the object has been initialized
Visibility of the association, whose value denotes how it may be seen outside its enclosing name space
Maximum length
254
254
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254
254
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—
—
—
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98