A model for specifying rationale using an architecture description language

  • Authors:
  • Lakshitha De Silva;Dharini Balasubramaniam

  • Affiliations:
  • School of Computer Science, University of St Andrews, St Andrews, UK;School of Computer Science, University of St Andrews, St Andrews, UK

  • Venue:
  • ECSA'11 Proceedings of the 5th European conference on Software architecture
  • Year:
  • 2011

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Abstract

Besides structural and behavioural properties, rationale plays a crucial role in defining the architecture of a software system. However, unlike other architectural features, rationale often remains unspecified and inaccessible to tools. Existing approaches for recording rationale are not widely adopted. This paper proposes a simple model for capturing rationales as part of an architecture specification and attaching them to elements in the architecture. The bi-directional links between rationales and elements enable forward and backward traceability. We describe a textual architecture description language named Grasp that implements this model, and illustrate its capabilities using an example.