JTL: a bidirectional and change propagating transformation language

  • Authors:
  • Antonio Cicchetti;Davide Di Ruscio;Romina Eramo;Alfonso Pierantonio

  • Affiliations:
  • School of Innovation, Design and Engineering, Mälardalen University, Västerås, Sweden;Dipartimento di Informatica, Università degli Studi dell'Aquila, L'Aquila, Italy;Dipartimento di Informatica, Università degli Studi dell'Aquila, L'Aquila, Italy;Dipartimento di Informatica, Università degli Studi dell'Aquila, L'Aquila, Italy

  • Venue:
  • SLE'10 Proceedings of the Third international conference on Software language engineering
  • Year:
  • 2010

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Abstract

In Model Driven Engineering bidirectional transformations are considered a core ingredient for managing both the consistency and synchronization of two or more related models. However, while non-bijectivity in bidirectional transformations is considered relevant, current languages still lack of a common understanding of its semantic implications hampering their applicability in practice. In this paper, the Janus Transformation Language (JTL) is presented, a bidirectional model transformation language specifically designed to support nonbijective transformations and change propagation. In particular, the language propagates changes occurring in a model to one or more related models according to the specified transformation regardless of the transformation direction. Additionally, whenever manual modifications let a model be non reachable anymore by a transformation, the closest model which approximate the ideal source one is inferred. The language semantics is also presented and its expressivity and applicability are validated against a reference benchmark. JTL is embedded in a framework available on the Eclipse platform which aims to facilitate the use of the approach, especially in the definition of model transformations.