A Group Based Approach for Coordinating Active Objects

  • Authors:
  • Juan Carlos Cruz;Stéphane Ducasse

  • Affiliations:
  • -;-

  • Venue:
  • COORDINATION '99 Proceedings of the Third International Conference on Coordination Languages and Models
  • Year:
  • 1999

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Abstract

Although coordination of concurrent objects is a fundamental aspect of object-oriented concurrent programming, there is only little support for its specification and abstraction at the language level. This is a problem because coordination is often buried in the code of the coordinated objects, leading to a lack of abstraction and reuse. Here we present CoLaS, a coordination model and its implementation based on the notion of Coordination Groups. By clearly identifying and separating the coordination from the coordinated objects CoLaS provides a better abstraction and reuse of the coordination and the coordinated objects. Moreover CoLaS's high dynamicity provides better support for coordination of active objects.