A reflective framework for fine-grained adaptation of aspect-oriented compositions

Authors:
Paul Grace;Bert Lagaisse;Eddy Truyen;Wouter Joosen
Affiliations:
Department of Computer Science, K.U. Leuven, Leuven, Belgium;Department of Computer Science, K.U. Leuven, Leuven, Belgium;Department of Computer Science, K.U. Leuven, Leuven, Belgium;Department of Computer Science, K.U. Leuven, Leuven, Belgium
Venue:
SC'08 Proceedings of the 7th international conference on Software composition
Year:
2008

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Abstract

Dynamic Aspect Oriented Programming (AOP) technologies typically provide coarse-grained mechanisms for adapting aspects that cross-cut a system deployment; i.e. whole aspect modules can be added and removed at runtime. However, in this paper we demonstrate that adaptation of the finer-grained elements of individual aspect modules is required in highly dynamic systems and applications. We present AspectOpenCOM, a principled, reflection-based component framework that provides a meta object protocol capable of fine-grained adaptation of deployed aspects. We then evaluate this solution by eliciting a set of requirements for dynamic fine-grained adaptation from a series of case studies, and illustrate how the framework successfully meets these criteria. We also investigate the performance gains of fine-grained adaptation versus a coarse-grained approach.