Collaborative software engineering on large-scale models: requirements and experience in ModelBus
Proceedings of the 2008 ACM symposium on Applied computing
D-Praxis: A Peer-to-Peer Collaborative Model Editing Framework
DAIS '09 Proceedings of the 9th IFIP WG 6.1 International Conference on Distributed Applications and Interoperable Systems
Managing Model Adaptation by Precise Detection of Metamodel Changes
ECMDA-FA '09 Proceedings of the 5th European Conference on Model Driven Architecture - Foundations and Applications
Applying model fragment copy-restore to build an open and distributed MDA environment
MoDELS'06 Proceedings of the 9th international conference on Model Driven Engineering Languages and Systems
An EMF-based toolkit for reasoning on web services evolution
Proceedings of the workshop on ACadeMics Tooling with Eclipse
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The MDA approach aims to ease software maintenance faced with platform and business evolution. In this approach, main development artifacts, i.e. models, are defined with the Meta Object Facility (MOF) standard. To support collaborative development in MDA, we propose a mechanism for merging concurrent changes to MOF models. Our approach has the following novel functionality. First, as MOF models can have ordered relations, our mechanism can identify the order changes in MOF models, detect the conflicts caused by concurrent order changes, and integrate those changes. Second, as MOF models must respect multiplicity constraints, our mechanism detects the concurrent modifications that result in multiplicity violations. Therefore, it ensures the consistency of the merge result. Third, we offer a framework for building conflict resolution programs dedicated to developers' particular requirements. This framework offers a flexible and automated way for resolving conflicts. This work is a part of ModelBus, an open environment for CASE tool interoperability. Its contribution is to enable models to be concurrently modified by several developers and with different tools. ModelBus implementation is available as the Eclipse open source project, Model Driven Development integration (MDDi).