Role-oriented Programming

Role-oriented programming is a form of computer programming aimed at expressing things in terms that are analogous to human conceptual understanding of the World. This should make programs easier to understand and maintain.[]

The main idea of role-oriented programming is that humans think in terms of roles. This claim is often backed up by examples of social relations. For example, a student attending a class and the same student at a party are the same person, yet he plays two different roles. In particular, the interactions of this person with the outside world depend on his current role. The roles typically share features, e.g., the intrinsic properties of being a person. This sharing of properties is often handled by the delegation mechanism.

In the older literature and in the field of databases, it seems that there has been little consideration for the context in which roles interplay with each other. Such a context is being established in newer role- and aspect-oriented programming languages such as Object Teams.

Many researchers have argued the advantages of roles in modeling and implementation. Roles allow objects to evolve over time, they enable independent and concurrently existing views (interfaces) of the object, explicating the different contexts of the object, and separating concerns. Generally roles are a natural element of our daily concept forming. Roles in programming languages enable objects to have changing interfaces, as we see it in real life - things change over time, are used differently in different contexts, etc.

Authors of role literature

Programming languages with explicit support for roles

See also


External links

  This article uses material from the Wikipedia page available here. It is released under the Creative Commons Attribution-Share-Alike License 3.0.



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