Modeling Variability - From Direct Modeling to Generative Modeling
نویسندگان
چکیده
The paper shows how mechanisms of existing modeling languages (exemplified by UML 2.0) support the direct modeling of variability in software product lines/system families, and identifies where generative modeling (similar to generative programming) should be applied. Existing mechanisms are not only well-known mechanisms like composition, specialization, and generics/templates, but also less known (but in fact existing) mechanisms like subsetting and constraining parts of a system. Such mechanisms are useful for configuring specific system models based upon a system family model. Generative modeling turns out to be useful in cases where there are several orthogonal dimensions of variability.
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