Modelling parametric contracts and the state space of composite components by graph grammars

  • Authors:
  • Ralf H. Reussner;Jens Happe;Annegret Habel

  • Affiliations:
  • Software Engineering Group;Software Engineering Group;Formal Languages Group, University of Oldenburg, Germany

  • Venue:
  • FASE'05 Proceedings of the 8th international conference, held as part of the joint European Conference on Theory and Practice of Software conference on Fundamental Approaches to Software Engineering
  • Year:
  • 2005

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Abstract

Modeling the dependencies between provided and required services within a software component is necessary for several reasons, such as automated component adaptation and architectural dependency analysis. Parametric contracts for software components specify such dependencies and were successfully used for automated protocol adaptation and quality of service prediction. In this paper, a novel model for parametric contracts based on graph grammars is presented and a first definition of the compositionality of parametric contracts is given. Compared to the previously used finite state machine based formalism, the graph grammar formalism allows a more elegant formulation of parametric contract applications and considerably simpler implementations.