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Henshin is an in-place model transformation language for the Eclipse Modeling Framework (EMF). It supports direct transformations of EMF model instances (endogenous transformations), as well as generating instances of a target language from given instances of a source language (exogenous transformations). Its main features are:

Basic transformation definition and execution

• Rule-based transformation paradigm with units for managing control flow of rules
• Graphical and textual syntax, based on a transformation meta-model
• Native support for endogenous transformations; support of exogenous transformations via traces
• Efficient in-place execution of transformations using a dedicated interpreter with debugging support

Analysis

• A performance profiler to identify slow spots
• Support for conflict and dependency analysis
• State space analysis for verification

Advanced rule definition

• Support for rule variants
• Support for automated rule generation
• Support for generating application conditions from OCL constraints

Integration with other tools

• Integration with Xtext
• Support for massive parallel rule execution using Apache Giraph

Resources

• Official website
• Installation instructions
• Getting started
• Examples
• FAQ
• Release Notes
• Projects that use Henshin