Extracting Components from Object-Oriented System: A Transformational Approach

  • Authors:

  • Eunjoo Lee;Woochang Shin;Byungjeong Lee;Chisu Wu

  • Affiliations:

  • The authors are with School of Computer Science and Engineering, Seoul National University, Korea. E-mail: ejlee@selab.snu.ac.kr,;The author is with the Dept. of Internet Information, Seokyeong University, Korea.,;The author is with School of Computer Science, University of Seoul, Korea.;The authors are with School of Computer Science and Engineering, Seoul National University, Korea. E-mail: ejlee@selab.snu.ac.kr,

  • Venue:
  • IEICE - Transactions on Information and Systems
  • Year:
  • 2005

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Abstract

The increasing complexity and shorter life cycle of software have made it necessary to reuse software. Object-oriented development has not facilitated extensive reuse of software and it has become difficult to manage and understand modern object-oriented systems which have become very extensive and complex. However, components, compared with objects, provide more advanced means of structuring, describing and developing systems, because they are more coarse grained and have more domain-specific aspects than objects. In addition, they are also suited to a current distributed environment due to their reusability, maintainability and granularity. In this paper, we present a process of extracting components from object-oriented systems. We define some static metrics and guidelines that can be applied to transform object-oriented systems into component-based systems. Our process consists of two parts. First, basic components are created based on composition and inheritance relationships between classes. Second, the intermediate system is refined into a component-based system with our proposed static metrics and guidelines.