A Tool and a Formalism to Design and Apply Patterns

  • Authors:

  • Agnès Conte;Mounia Fredj;Ibtissem Hassine;Jean-Pierre Giraudin;Dominique Rieu

  • Affiliations:

  • -;-;-;-;-

  • Venue:
  • OOIS '02 Proceedings of the 8th International Conference on Object-Oriented. Information Systems
  • Year:
  • 2002

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Abstract

Patterns systems are becoming more and more numerous. They offer product patterns or process patterns of varied range and cover (analysis, design or implementation patterns, and general, domain or enterprise patterns). New application development environments have been developed together with these pattern-oriented approaches and should address two kinds of actors: patterns engineers who specify patterns systems, and applications engineers who use these systems to specify information systems. Nevertheless, most of the existing development environments are made for applications engineers; they offer few functionalities allowing definition and organization of patterns systems. This paper presents AGAP, a development environment for defining and using patterns, which distinguishes pattern formalisms from patterns systems. Not only does AGAP address applications engineers, but it also allows patterns engineers to define patterns systems in order to increase the level of reuse. We illustrate the use of AGAP by the presentation of P-Sigma, a common formalism for patterns representation. P-Sigma expresses a semantics common to most of the existing formalisms and standardizes the expression of product patterns and process patterns. It allows to clarify the patterns selection interface and facilitates the organization of patterns systems.