Modular context-sensitive and aspect-oriented processes with dynamic condition response graphs

  • Authors:
  • Thomas Hildebrandt;Raghava Rao Mukkamala;Tijs Slaats;Francesco Zanitti

  • Affiliations:
  • IT University of Copenhagen, Copenhagen, Denmark;IT University of Copenhagen, Copenhagen, Denmark;IT University of Copenhagen and Exformatics A/S, Copenhagen, Denmark;IT University of Copenhagen, Copenhagen, Denmark

  • Venue:
  • Proceedings of the 12th workshop on Foundations of aspect-oriented languages
  • Year:
  • 2013

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Abstract

We propose the recently introduced declarative and event-based Dynamic Condition Response (DCR) Graphs process model as a formal basis for modular implementation of context-sensitive and aspect-oriented processes. The proposal is supported by a new join operator allowing modular composition and refinement of DCR Graphs. We give small illustrative examples of DCR Graphs defining context-sensitive processes where context-events dynamically enable and disable the need for authentication and the join operator is used to add authentication to a process. Finally, we discuss the use of formal verification to ensure that processes satisfy safety and liveness properties, and define two liveness properties (deadlock freedom and liveness) that can be verified directly on the state graph for DCR Graphs.