Design Pattern Concerns for Software Evolution

Natsuko Noda, Tomoji Kishi

Research output: Contribution to conferencePaperpeer-review

10 Citations (Scopus)

Abstract

Most design patterns help to make systems flexible and extensible. They have potential effects to support evolutionary software development. Ordinary implementation of design patterns, however, is not always enough for evolution. It is based on the inheritance mechanism. This makes application classes quite dependent on patterns and reduces reusability of application classes. In addition, it is difficult to exchange patterns once a system is designed. In this paper, we introduce a way to implement design patterns more flexibly, applying the concept of separation of concerns. It is realized by separating design patterns, as explicit concerns, from the application core that is responsible for the primary functionalities. The new implementation technologies that support the advanced separation of concerns such as Hyper/J™ help with coding this kind of design. Using an example, we show that it is possible to exchange patterns to support different behavior without any change on the application core. Our approach has an advantage that reusability of both design patterns and the application core is improved.

Original languageEnglish
Pages158-161
Number of pages4
Publication statusPublished - 2001 Dec 1
Externally publishedYes
Event4th International Workshop on Principles of Software Evolution - Vienna, Austria
Duration: 2001 Sep 102001 Sep 11

Conference

Conference4th International Workshop on Principles of Software Evolution
CountryAustria
CityVienna
Period01/9/1001/9/11

Keywords

  • Advanced separation of concerns
  • Design pattern
  • Hyper/J
  • Software evolution

ASJC Scopus subject areas

  • Software
  • Theoretical Computer Science
  • Modelling and Simulation
  • Computational Theory and Mathematics

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