The Object Constraint Language

The Object Constraint Language - Getting Your Models Ready for MDA, is the book on OCL. OCL is the standard constraint language for UML and especially popular at the meta modeling level. The author, Jos Warmer, is the chief architect of OCL.

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Spray - A Quick Way to Generate Graphiti

Jos Warmer is owner of the Spray open source project. The Spray project is a collection of DSLs that allow quixck and easy development of visual editors. The first code to be donated to Spray was written by Jos Warmer and has been used in the PMW project to develop ... more ...