Distributed component architecture for scientific applications
CRPIT '02 Proceedings of the Fortieth International Conference on Tools Pacific: Objects for internet, mobile and embedded applications
Proceedings of the 2nd international conference on Aspect-oriented software development
EC-Web 2001 Proceedings of the Second International Conference on Electronic Commerce and Web Technologies
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Object-oriented frameworks are established tools for domain-speci_c reuse. Many framework design patterns have been documented, e.g. reverse engineering framework architectures from conventionally built applications for a given domain. The framework development cycle generally evolves from open framework to closed application. We describe a more flexible component-based approach to framework design that stresses a common interface for 'plugging-in' new components at different lifecycle stages. An analysis of framework-related user roles shows that the classical developer/end-user boundary is too rigid. We see the framework's development as a continuum within which its 'actors' can customise its behaviour. This both increases the system's exibility and reduces its maintenance requirement. A case study of three frameworks for different application domains illustrates the presented principles.