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Dirk Riehle has worked in software research and development, both on the technical and the business side. He is interested in large-scale software systems development. Most of his technical work has focussed on object-oriented software architecture, frameworks, and patterns. He is also interested in metamodeling and was the first implementor of a UML virtual machine (OOPSLA '01). Dirk holds a Ph.D. in computer science from ETH Zurich and is half-way through the MBA program at Stanford's Graduate School of Business. For all technical materials, please see www.riehle.org

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15.12.2003

The Architecture of a

UML Virtual Machine

LOCATION: Zürich

SPEAKER: Dirk Riehle   COMPANY: MBA student at Stanford's Graduate School of Business
SLIDES: uml-vm-for-jugs-dec-2003.pdf

Current software development tools let developers model a software system and generate program code from the models to run the system. However, generating code and installing a non-trivial system induces a time delay between changing the model and executing it that makes rapid model prototyping awkward if not impossible. This paper presents the architecture of a virtual machine for UML that interprets UML models without any intermediate code-generation step. The paper shows how to embed UML in a metalevel architecture so that a key property of model-based systems, the causal connection between models and model instances, is guaranteed. With this architecture, changes to a model have immediate effects on its execution, providing users with rapid feedback about the model's structure and behavior. This approach supports model innovation better than today's code-generation approaches.

Dirk Riehle has worked in software research and development, both on the technical and the business side. He is interested in large-scale software systems development. Most of his technical work has focussed on object-oriented software architecture, frameworks, and patterns. He is also interested in metamodeling and was the first implementor of a UML virtual machine (OOPSLA '01). Dirk holds a Ph.D. in computer science from ETH Zurich and is half-way through the MBA program at Stanford's Graduate School of Business. For all technical materials, please see www.riehle.org

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