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FSEN
2007
Springer

Relationships Meet Their Roles in Object Oriented Programming

8 years 10 months ago
Relationships Meet Their Roles in Object Oriented Programming
In this paper we study how roles can be added to patterns modelling relationships in Object Oriented programming. Relationships can be introduced in programming languages either by reducing them to attributes of the objects which participate in the relationship, or by modelling the relationship itself as a class whose instances have the participants of the relationships among their attributes. However, even if roles have been recognized as an essential component of relationships, also in modelling languages like UML, they have not been introduced in Object Oriented programming when it is necessary to model relationships. Introducing roles allows to add attributes and behaviors to the participants in the relationship, rather than to the relationship itself, and to distinguish the natural types of the participants in the relationships from the roles the participants acquire in the relationships. We show how the role model of the language powerJava can be used to endow the relationship as...
Matteo Baldoni, Guido Boella, Leendert van der Tor
Added 19 Oct 2010
Updated 19 Oct 2010
Type Conference
Year 2007
Where FSEN
Authors Matteo Baldoni, Guido Boella, Leendert van der Torre
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