Difference between revisions of "EMF DiffMerge"

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*[http://www.eclipse.org/proposals/modeling.emf.edm/ Project proposal]: the original proposal that led to the creation of the project  
 
*[http://www.eclipse.org/proposals/modeling.emf.edm/ Project proposal]: the original proposal that led to the creation of the project  
 
*[http://www.eclipse.org/forums/index.php?t=thread&frm_id=246 Forum]: the dedicated newsgroup  
 
*[http://www.eclipse.org/forums/index.php?t=thread&frm_id=246 Forum]: the dedicated newsgroup  
*[https://bugs.eclipse.org/bugs/buglist.cgi?list_id=2354424;classification=Modeling;query_format=advanced;component=Core;component=UI;product=EMF.Diffmerge Bugzilla]: for reporting bugs
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*[https://bugs.eclipse.org/bugs/buglist.cgi?list_id=2354424;classification=Modeling;query_format=advanced;component=Core;component=UI;product=EMF.Diffmerge Bugzilla]: for reporting bugs  
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*Build jobs: [https://hudson.eclipse.org/hudson/job/buckminster-emf-diffmerge-master/ main], [https://hudson.eclipse.org/hudson/job/buckminster-emf-diffmerge-helios/ legacy]<br>

Revision as of 12:20, 24 July 2012

Contents

Introduction

EMF Diff/Merge provides a lightweight engine for comparing and merging models using IDs. Its scope includes, among others:

  • 2-way and 3-way comparison of arbitrary EMF models (or "instance models").
  • Matching of model elements by ID, where an ID can be any "signature" that uniquely identifies the element within its scope: Ecore ID, XML ID, qualified name, location in model tree, etc.
  • A simple GUI with reusable UI components.

The tool is intended to satisfy the following requirements:

  • It must realistically support the comparison and merge of large models. There is thus an emphasis on scalability and reliability.
  • The consistency of the model being merged must be preserved by the tool whenever possible, by automatically merging interdependent differences together.
  • The order in which differences are merged must have no impact.

The final goal is to obtain a mature, versatile software building block for multiple usages: version control, incremental model transformations, model refactoring, etc.

The EMF Diff/Merge project is part of EMF.

Usage

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Links