Team Triskell

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Section: Software

Kermeta : Kernel Metamodeling

Participants : Olivier Barais, Jacques Falcou, Cyril Faucher, François Fouquet, Jean-Marc Jézéquel, Hajanirina Johary Rambelontsalama, Didier Vojtisek [ correspondant ] .

Nowadays, object-oriented meta-languages such as MOF (Meta-Object Facility) are increasingly used to specify domain-specific languages in the model-driven engineering community. However, these meta-languages focus on structural specifications and have no built-in support for specifications of operational semantics. Triskell has developped the Kermeta language to explore the idea of using aspect-oriented modeling to add precise action specifications with static type checking and genericity at the meta level, and examine related issues and possible solutions.

Kermeta consists of an extension to the Essential Meta-Object Facilities (EMOF) 2.0 to support behavior definition. It provides an action language to specify the body of operations in metamodels. This action language is imperative and object-oriented.

Kermeta is used in several use cases:

The development environment built for the Kermeta language currently provides the following tools

Developped as an open source software under the terms of the EPL (Eclipse Public License), it has been first deposited to the APP (Agence de Protection des Programmes) in October 2005.

Thanks to Kermeta it is possible to build various frameworks dedicated to domain specific metamodels. Those frameworks are organised into MDKs (Model Development Kits). For example, Triskell porposes MDKs to work with the following metamodels: Java5, UML2, RDL (requirements), Ecore, Traceability, ...Some of these MDKs (UML2, RDL) are advanced enough to constitute a complete application.

In 2009, we've release the version 1.3.2 of Kermeta with a strong focus on the new java compiler to improve the overall performances.


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