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EMF DiffMerge


EMF Diff/Merge provides a lightweight engine for comparing and merging models using IDs.

  • The emphasis is on scalability and reliability so that large models can be merged consistently.
  • The scope is 2-way and 3-way comparison and matching by ID, where an ID can be any "signature" that uniquely identifies an element within its scope (Ecore ID, XML ID, qualified name, location in model tree, etc.).
  • A GUI with reusable UI components is also included.
  • The final goal is to have a mature, versatile building block for multiple usages: version control, incremental model transformations, model refactoring, etc.

The EMF Diff/Merge project is part of EMF.