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ABSTRACT

Good software design practice calls for minimizing coupling and maximizing cohesiveness. The use of roles in CBSE has been shown to help in achieving the abovementioned design goal. The idea of role-based component design is that the public interface is split into smaller interfaces that model the different roles a component can take in a system. In addition, we have the design pattern facade which is just opposite to what role-based design philosophy advocates. Yet both design approaches claim to reduce the overall complexity of the system. In this paper we make an investigation into these two design approaches in order to understand how these two contradictory design principles can help the designer in managing complexity.

REFERENCES

• 1: S. R. Chidamber , C. F. Kemerer, A Metrics Suite for Object Oriented Design, IEEE Transactions on Software Engineering, v.20 n.6, p.476-493, June 1994 [doi>10.1109/32.295895]
• 2: Trygve Reenskaug. Working with Objects, Manning Publications Co. 1996.
• 3: Erich Gamma , Richard Helm , Ralph Johnson , John Vlissides, Design patterns: elements of reusable object-oriented software, Addison-Wesley Longman Publishing Co., Inc., Boston, MA, 1995
• 4: Jilles van Gurp and J. Bosch ," Role Based Component Engineering", 2002.
• 5: Ivica Crnkovic , Magnus Larsson, Building Reliable Component-Based Software Systems, Artech House, Inc., Norwood, MA, 2002
• 6: http://en.wikipedia.org/wiki/Programming_complexity
• 7: D. L. Parnas, On the criteria to be used in decomposing systems into modules, Classics in software engineering, Yourdon Press, Upper Saddle River, NJ, 1979

INDEX TERMS

Primary Classification:
  D. Software
  D.2 SOFTWARE ENGINEERING
      D.2.2 Design Tools and Techniques

Additional Classification:
  D. Software
  D.2 SOFTWARE ENGINEERING
        D.2.11 Software Architectures
      D.2.3 Coding Tools and Techniques

General Terms:
Design, Experimentation, Management, Measurement, Performance

Keywords:
Chidamber and Kemerer (C&K) metrics suite, component based software engineering (CBSE), object-oriented role analysis method (OORam), software complexity