Relations as Object Model Components

Document type: Researchreports
Full text:
Author(s): Jan Bosch
Title: Relations as Object Model Components
Series: Research Report
Year: 1994
Issue: 9
ISSN: 1103-1581
Organization: Blekinge Institute of Technology
Department: Dept. of Computer Science and Business Administration (Institutionen för datavetenskap och ekonomi)
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+46 455 780 00
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Authors e-mail: Jan.Bosch@ide.hk-r.se
Language: English
Abstract: Although object-oriented methods make extensive use of relations between objects, these relations, other than inheritance and part-of, can not directly be represented by the conventional object-oriented model.
This means that relations which are identified during analysis and design have to be implemented on top of the object model, i.e. by using method code and message passing, rather than by expressing relations directly within in the model. It would be beneficial if the object-oriented model would support the specification of all relevant types of relations within the model, including application-domain specific relation types. Therefore, we propose a mechanism, implemented in LayOM -- an extended object model, that supports the specification of all types of relations between objects within the model as components of the object model. In addition, an approach for identifying and specifying
application-domain relation types is presented.
Subject: Computer Science\General
Software Engineering\General
URN: urn:nbn:se:bth-00033
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