Composite object support in an object-oriented database system

  • Authors:
  • Won Kim;Jay Banerjee;Hong-Tai Chou;Jorge F. Garza;Darrel Woelk

  • Affiliations:
  • MCC;MCC;MCC;MCC;MCC

  • Venue:
  • OOPSLA '87 Conference proceedings on Object-oriented programming systems, languages and applications
  • Year:
  • 1987

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Abstract

Many applications in such domains as computer-aided design require the capability to define, store and retrieve as a single unit a collection of related objects known as a composite object. A composite object explicitly captures and enforces the IS-PART-OF integrity constraint between child and parent pairs of objects in a hierarchical collection of objects. Further, it can be used as a unit of storage and retrieval to enhance the performance of a database system.This paper provides a formal definition of the semantics of composite objects within an object-oriented data model, and describes their use as units of integrity control, storage and retrieval, and concurrency control in a prototype object-oriented database system we have implemented.