Using role-based coordination to achieve software adaptability
Science of Computer Programming
Coordination systems in role-based adaptive software
COORDINATION'05 Proceedings of the 7th international conference on Coordination Models and Languages
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Computing environments are becoming more open, distributed and pervasive. The software we build for these dynamic environments will need to become more adaptable and adaptive. This paper introduces a methodology developing adaptive systems based on the concept of ontogenic adaptation - the ability of a system to alter its structure while maintaining its organizational viability. This approach extends existing work on the separation of roles from objects, by defining an organizational layer of abstraction based on the separation of operational-management roles from functional roles. Dynamic role-object bindings and role-role associations are created to form a flexible organization that can be adapted by an organizational management role. The methodology is illustrated with an example to contrast it with a traditional object-oriented approach.