A component-based Petri net model for specifying and validating cooperative information systems

  • Authors:

  • Nasreddine Aoumeur;Gunter Saake

  • Affiliations:

  • Institut für Technische und Betriebliche Informationssysteme, Otto-von-Guericke-Universität Magdeburg, Postfach 4120, D-39106 Magdeburg, Germany;Institut für Technische und Betriebliche Informationssysteme, Otto-von-Guericke-Universität Magdeburg, Postfach 4120, D-39106 Magdeburg, Germany

  • Venue:
  • Data & Knowledge Engineering
  • Year:
  • 2002

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Abstract

This paper presents fundamentals of a novel framework adequately tailored for specifying and validating complex information systems as fully distributed, autonomous yet cooperating components. The proposed framework, referred to as CO-NETS, is a multi-paradigm soundly integrating object-oriented (OO) structuring mechanisms, modularity concepts and some constructions from semantical data modeling into an appropriate variety of algebraic Petri nets. The model is semantically interpreted in a true concurrency way using an adequate instantiation of rewriting logic.CO-NETS main features may be highlighted as follows: firstly, CO-NETS allow to build autonomous components as a hierarchy of OO classes with explicit interfaces. Each component behaves with respect to an intra-component evolution pattern that fully exhibits intra-as well as inter-object concurrency. Secondly, while such components autonomously behave they may interact with each other using their explicit interfaces and respecting an inter-component interaction pattern. Thirdly, from a methodological point of view, CO-NETS components may be incrementally conceived from well known semi-informal OO diagrams. Besides that, thanks to their rewriting-logic based semantics, CO-NETS components are validated using concurrent rewriting techniques simultaneously accompanied by graphical animations. CO-NETS practicability is illustrated through a non-trivial case study, and all CO-NETS features are compared to similar existing OO formalisms on the basis of some exhaustive criteria.