Fine-grain transformations to refactor UML models

  • Authors:
  • Emmad Saadeh;Derrick Kourie;Andrew Boake

  • Affiliations:
  • University of Pretoria, Pretoria, South Africa;University of Pretoria, Pretoria, South Africa;University of Pretoria, Pretoria, South Africa

  • Venue:
  • Proceedings of the Warm Up Workshop for ACM/IEEE ICSE 2010
  • Year:
  • 2009

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Abstract

The current trend is to apply refactoring at levels of abstraction above the code level. We present a new approach to formalize model refactorings. The approach is based on the semantics of a predefined set of fine-grain transformations (FGTs) that can be used to construct any refactoring, and relies on logic-based representations of the UML model. The proposed approach has many features: it gives the ability to detect and resolve conflicts; to remove redundancies; to find sequential dependencies between refactorings; and to increase parallelizing opportunities. In addition, it enables the end user to build their new refactorings. Based on the proposed formalism we also introduce a new technique to find automatically the order of a batch of refactorings.