Projectional Editing of Software Product Lines Using Multi-variant Model Editors

Titelangaben

Schröpfer, Johannes ; Buchmann, Thomas ; Westfechtel, Bernhard:
Projectional Editing of Software Product Lines Using Multi-variant Model Editors.
In: SN Computer Science. Bd. 4 (2022) Heft 1 . - No. 35.
ISSN 2661-8907
DOI der Verlagsversion: https://doi.org/10.1007/s42979-022-01456-8

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Abstract

Model-driven software engineering (MDSE) as well as software product line engineering (SPLE) achieve productivity gains by raising the level of abstraction and fostering organized reuse. Consequently, the integrating discipline model-driven software product line engineering (MDSPLE) aims at combining the best of both worlds by creating multi-variant models which are (automatically) configured into single-variant models which are in turn adapted further (if required). Inherently complex multi-variant models call for urgently needed tools providing support for editing multi-variant models. In this paper, we present a framework for projectional multi-variant editors which make complexity manageable using a user-friendly representation. At all times, a domain engineer is aware of editing a multi-variant model which is necessary to assess the impact of changes on all model variants. Supporting a clear separation of product space (domain model) and variant space (variability annotations), our projectional multi-variant editors provide a novel approach to representing variability information which is displayed non-intrusively. Furthermore, the domain engineer may employ a projectional multi-variant editor to adapt the representation of the multi-variant domain model in a flexible way, according to the current focus of interest.