Invited contribution: sociable interfaces

  • Authors:
  • Luca de Alfaro;Leandro Dias da Silva;Marco Faella;Axel Legay;Pritam Roy;Maria Sorea

  • Affiliations:
  • School of Engineering, Universitity of California, Santa Cruz;School of Engineering, Universitity of California, Santa Cruz;School of Engineering, Universitity of California, Santa Cruz;School of Engineering, Universitity of California, Santa Cruz;School of Engineering, Universitity of California, Santa Cruz;School of Computer Science, University of Manchester, United Kingdom

  • Venue:
  • FroCoS'05 Proceedings of the 5th international conference on Frontiers of Combining Systems
  • Year:
  • 2005

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Abstract

Interface formalisms are able to model both the input requirements and the output behavior of system components; they support both bottom-up component-based design, and top-down design refinement. In this paper, we propose “sociable” interface formalisms, endowed with a rich compositional semantics that facilitates their use in design and modeling. Specifically, we introduce interface models that can communicate via both actions and shared variables, and where communication and synchronization covers the full spectrum, from one-to-one, to one-to-many, many-to-one, and many-to-many. Thanks to the expressive power of interface formalisms, this rich compositional semantics can be realized in an economical way, on the basis of a few basic principles. We show how the algorithms for composing, checking the compatibility, and refining the resulting sociable interfaces can be implemented symbolically, leading to efficient implementations.