UML Class Diagram - User and User Type
This is about User and User Type relationship.
I have two classes User and UserType User has UserID, UserName, UserTypeID UserType as : TypeID, TypeName
One user can have only one User Type (TypeID1/TypeID2/TypeID3)
What could be UML class diagram notation to represent this? is it association or composition or aggregation?
This diagram has Car and car type as Association http://www.jetbrains.com/idea/features/screenshots/80/uml2.png
This diagram has plugin and plugin type as composition http://indico-software.org/raw-attachment/wiki/Dev/Technical/PluginSystem/Plugin%20System%20class%20diagram.png
Something like this?
or like this
it dependents buddy, the first solution is useful when the user type does some functionality itself, in other word its a class(member), while the second solution is just useful when there is some constant about user types.
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