Layered, Server-Based Support for Object-Oriented Application Development

  • Authors:
  • Douglas Orr

  • Affiliations:
  • -

  • Venue:
  • IWOOOS '95 Proceedings of the 4th International Workshop on Object-Orientation in Operating Systems
  • Year:
  • 1995

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Abstract

Abstract: This paper advocates the idea that the physical modularity (file structure) of application components sup-ported by conventional OS environments can be elevated to the level of logical modularity, which in turn can directly support application development in an object-oriented manner. We demonstrate this idea through a system-wide server that manages the manipulation of such components effectively. The server is designed to be a fundamental operating system ser-vice responsible for binding and mapping component instances into client address spaces. We show how this model solves some longstanding problems with the management of application components in existing application development environments. We demonstrate that this model' s effectiveness derives from its support for the cornerstones of 00 programming: classes and their instances, encapsulation, and several forms of inheritance.