Extending IDL to support concurrent views

  • Authors:
  • D. Garlan

  • Affiliations:
  • Carnegie-Mellon University, Pittsburgh, PA

  • Venue:
  • ACM SIGPLAN Notices
  • Year:
  • 1987

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Abstract

Derivation and refinement in IDL currently provide kinds of views in the sense that two IDL structures can describe the same data in different ways. But derivation and refinement are limited in that (a) they do not support concurrent access to shared information and (b) the range of differences between derived views is quite restricted. In this paper we outline an architecture in which IDL is extended to correct these problems. This design allows a collection of IDL-based tools to access a common object base concurrently through views defined as (extended) IDL structures. Mappings between views are provided automatically by the IDL translator and database support mechanisms.