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Revision as of 07:59, 24 September 2009
< To: GMT
As modernization projects face with both technologies combination and various modernization situations, model-driven approaches and tools offer the requisite abstraction level to build up mature and flexible modernization solutions.
Contents
What is MoDisco ?
MoDisco provides an extensible framework to develop model-driven tools to support use-cases of existing software modernization :
- Quality Assurance: verifying whether an existing system meets the required qualities (detection of anti-patterns in existing code and computation of metrics.)
- Documentation: extraction of information from an existing system to help understanding one aspect of this system (structure, behaviour, persistence, data-flow, change impact , etc).
- Improvement: transformation of an existing system to integrate better coding norms or design patterns.
- Migration: transformation of an existing system to change a component, the framework, the language, or its architecture
In each case, modernizing an existing software system implies:
- Describing the information extracted out of the artifacts of this system
- Understanding the extracted information in order to take the good modernization decisions
- Transforming this information to new artifacts facilitating the modernization (metrics, document, transformed code, ...)
MoDisco aims at supporting these three phases by providing :
- Metamodels to describe existing systems
- Discoverers to automaticaly create models of these systems
- Generic tools to understand and transform complex models created out of existing systems
- Use-cases illustrating how MoDisco can support modernization process
Description
To facilitate reuse of components between several use-cases, MoDisco is organized in three layers:
See MoDisco architecture detail...
Infrastructure
All the components of this layer are available as plugins and provided in one single Eclipse feature
- reference implementations of OMG/ADM metamodels (KDM and SMM)
- a transformation from KDM to UML
- a model browser to facilitate the navigation through a complex model
- a discovery manager to register and integrate discoverers into Eclipse
- a discovery workflow to easily chain several discoverers and transformators
- a sources discoverer which creates a KDM model describing the files and directories of an existing project
- a metrics vizualizations builder which generates HTML, SVG or Excel outputs from a model containing metrics
Technologies
All the components of this layer are available as plugins and provided in several Eclipse features : one for each technology.
- a complete metamodel for the Java language
- a complete discoverer to create J2SE5 models from Java source code contained in a Java project
- a transformation from J2SE5 models to KDM
- a complete metamodel for the Java language
- a complete discoverer to create JavaAST models from Java source code contained in a Java project
Note : a new component merging J2SE5 and JavaAST has been developed and will be released soon
- a complete metamodel for the C# language
- a transformation from CSharp models to KDM
Use-Cases
All the components of this layer are available as plugins
- Simple Transformations Chain : creation of a UML model from a Java project, just aggregating discoverers from Infrastructure and Technologies layers.
- Model Filter : creation of a UML model containing dependencies for a Java classe selected in the Eclipse environment
- Bugzilla metrics : conversion of Bugzilla data into Excel, HTML or SVG documents
- BIRTSampleDB : extraction of model from a BIRT database.
Incubation
The followings are components also available from MoDisco. However, they are not currently part of the standard MoDisco build.
The MOMOCS European Project provides:
- the MOMOCS Metamodel and corresponding Simple Editor
- the MOMOCS Transformation Tool
- the Travel Agency use case
- the Polimi Blog use case
Relationship with other Eclipse Projects
MoDisco reuses lots of EMP projects :
- EMF to describe and manipulate models of existing systems.
- M2M to implement transformation of models into other models
- M2T to implement generation of text (documentation or code)
MoDisco also reuses other projects such as :
- JDT to create models out of Java source code
Project plan
Additional components are planned to be added to MoDisco.
Team
MoDisco has been initiated by the AtlanMod Team (INRIA) and is strongly supported by Mia-Software :
- Hugo Bruneliere - AtlanMod (commiter)
- Gabriel Barbier - Mia-Software (commiter)
- Jean Bezivin - AtlanMod
- Nicolas Bros - Mia-Software
- Grégoire Dupé - Mia-Software
- Frédéric Jouault - AtlanMod
- Fabien Giquel - Mia-Software
- Frédéric Madiot - Mia-Software
- Jean-Sebastien Sottet - AtlanMod
How to contribute ?
See the process to contribute components to MoDisco.
See Also
Homepage on Eclipse website : www.eclipse.org/gmt/modisco
Newsgroup : eclipse.modisco
Documents : presentations