Collaborative Live Modelling by Language-Agnostic Versioning
2023 ACM/IEEE INTERNATIONAL CONFERENCE ON MODEL DRIVEN ENGINEERING LANGUAGES AND SYSTEMS COMPANION, MODELS-C(2023)
Abstract
In the world of executable modelling languages, live modelling is a feature of integrated modelling, execution/simulation and debugging environments, where the user can alter the models during execution. This reduces the need to compile and restart the execution after making a change to the model. In this paper, we point out a number of desirable features for "next generation" live modelling, simulation and debugging. Most importantly, we would like to transpose collaborative features (such as: (a)synchronous collaboration, branching and merging) that are already part of some modelling/editing environments, onto execution and debugging environments. We also point out the issue of doing all of this in a compositional manner, in order not to repeat the tooling development effort for every new language that we want to support. As a solution, we propose using a language-agnostic versioning system for graphs, that tracks changes to both the design-time models and their run-time configurations, in a unified manner.
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Key words
live modelling,language engineering,semantics,collaboration,model versioning
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