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From Static Methods to Role-Driven Service Invocation – A Metamodel for Active Content in Object Databases

  • Stefania Leone
  • Moira C. Norrie
  • Beat Signer
  • Alexandre de Spindler
Part of the Lecture Notes in Computer Science book series (LNCS, volume 5829)

Abstract

Existing object databases define the behaviour of an object in terms of methods declared by types. Usually, the type of an object is fixed and therefore changes to its behaviour involves schema evolution. Consequently, dynamic configurations of object behaviour are generally not supported. We define the notion of role-based object behaviour and show how we integrated it into an existing object database extended with a notion of collections to support object classification and role modelling. We present a metamodel that enables specific services to be associated with objects based on collection membership and show how such a model supports flexible runtime configuration of loosely coupled services.

Keywords

Service Manager Class Hierarchy Object Instance Object Database Service Invocation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2009

Authors and Affiliations

  • Stefania Leone
    • 1
  • Moira C. Norrie
    • 1
  • Beat Signer
    • 2
  • Alexandre de Spindler
    • 1
  1. 1.Institute for Information SystemsETH ZurichZurichSwitzerland
  2. 2.Vrije Universiteit BrusselBrusselsBelgium

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