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Accompanying files for CommitMDE 17

About

This page contains accompanying files for our CommitMDE 2017 paper "Towards Efficient Evaluation of Rule-based Permissions for Fine-grained Access Control in Collaborative Modeling".

Due to the shared case study, this repository itself has been cloned from the repository of an earlier paper.

Install requirements

Build projects

  • Import the *.meta and *.arbiter.vocabulary plugin projects.
  • In both projects, open the *.genmodel file and generate the model code: in the tree-editor, right click on the root object and select the Generate Model.
  • Launch an Eclipse instance that has both of these metamodel plugins loaded, and continue with the following steps.
  • Import the rest of relevant projects (*.model, *.query, *.arbiter.stratifier, *.arbiter) into the workspace of the launched project.

Generate Instance Models (Optional)

  • In the *.model plugin project, the ModelGenerator.java file has a main method that can be run.
  • Modify the generate() method to select the output folder.
  • Modify the MODEL_SIZES variable to set the models to be generated.

Regenerate Partially Grounded Queries (Optional)

  • In the *.arbiter.stratifier plugin project, launch the GenStratified.xtend file (has a main method entry point) as Java Application.
  • Viatra Query code realizing the stratified form of the recursive queries will be generated to the standard output (as seen in the Eclipse Console View).
  • Replace arbiterMock.vql in project *.arbiter with the generated Viatra Query code.

Load and Evaluate Query Results

  • Open small-sample-model-0010.xmi from the *.model project, or alternatively one of the smaller generated models, using the Sample Reflective Editor.
  • Open the Viatra Query Results View, and load the instance model from the active editor (use the green load button).
  • Load the following query files using the Query Results View: queries.vql from project *.query, then modelWrapper.vql and policyInterpreter.vql and finally arbiterMock.vql from project *.query.