Magic Potion : A Metalanguage for Incorporating

if your preferred environment requires only a few features from another paradigm, you must typically adopt the whole alien platform to take advantage of them. The alternative of using other languages and tools to implement the features in a way that avoids adding the whole platform is generally at least as difficult. But a more affordable solution is often possible. We used metaprogramming to incorporate an ontology-modeling paradigm as an embedded domain-specific language (DSL) in our Java-based programming environment. Our approach relies on the use of Clojure,2 an emerging language for the Java Virtual Machine (JVM). We also use Modeling Spaces,3 a conceptual framework for studying heterogeneous modeling problems more uniformly. We wanted a practical way for small development projects with limited resources to include a new paradigm in a host environment. The result is Magic Potion, a domain-specific metalanguage for incorporating ontological, functional, object-oriented, and concurrent programming paradigms in a single development environment. In this article, we describe its application in our Java ecosystem as a concise, lightweight means for modeling business domains. We also present results from a preliminary evaluation of its implementation advantages and disadvantages. You can access Magic Potion at www.uncomplicate. org/magicpotion.