An Example Is Worth a Thousand Words: Composite Operation Modeling By-Example

  • Authors:

  • Petra Brosch;Philip Langer;Martina Seidl;Konrad Wieland;Manuel Wimmer;Gerti Kappel;Werner Retschitzegger;Wieland Schwinger

  • Affiliations:

  • Business Informatics Group, Vienna University of Technology, Austria;Department of Telecooperation, Johannes Kepler University, Linz, Austria;Business Informatics Group, Vienna University of Technology, Austria;Business Informatics Group, Vienna University of Technology, Austria;Business Informatics Group, Vienna University of Technology, Austria;Business Informatics Group, Vienna University of Technology, Austria;Information System Group, Johannes Kepler University, Linz, Austria;Department of Telecooperation, Johannes Kepler University, Linz, Austria

  • Venue:
  • MODELS '09 Proceedings of the 12th International Conference on Model Driven Engineering Languages and Systems
  • Year:
  • 2009

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Abstract

Predefined composite operations are handy for efficient modeling, e.g., for the automatic execution of refactorings, and for the introduction of patterns in existing models. Some modeling environments provide an initial set of basic refactoring operations, but hardly offer any extension points for the user. Even if extension points exist, the introduction of new composite operations requires programming skills and deep knowledge of the respective metamodel. In this paper, we introduce a method for specifying composite operations within the user's modeling language and environment of choice. The user models the composite operation by-example, which enables the semi-automatic derivation of a generic composite operation specification. This specification may be used in various modeling scenarios, like model refactoring and model versioning. We implemented the approach in the Operation Recorder and performed an evaluation by defining multiple complex refactorings for UML diagrams.