Viewing object as patterns of communicating agents

  • Authors:
  • Oscar Nierstrasz;Michael Papathomas

  • Affiliations:
  • Université de Genève, Centre Universitaire d'brformatique, 12 rue du Lac, CH-1207 Geneva, Switzerland;Université de Genève, Centre Universitaire d'brformatique, 12 rue du Lac, CH-1207 Geneva, Switzerland

  • Venue:
  • OOPSLA/ECOOP '90 Proceedings of the European conference on object-oriented programming on Object-oriented programming systems, languages, and applications
  • Year:
  • 1990

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Abstract

Following our own experience developing a concurrent object-oriented language as well of that of other researchers, we have identified several key problems in the design of a concurrency model compatible with the mechanisms of object-oriented programming. We propose an approach to language design in which an executable notation describing the behaviour of communicating agents is extended by syntactic patterns that encapsulate language constructs. We indicate how various language models can be accommodated, and how mechanisms such as inheritance can be modeled. Finally, we introduce a new notion of types that characterizes concurrent objects in terms of their externally visible behaviour.