Abstract
Precise specification of meta-models is an important prerequisite for the successful application of a model-driven engineering (MDE) process. One means of precise specification are textual constraints. However, the task of constraint de- velopment is time-consuming and error-prone if done manually. In this paper, we present both a methodology and a tool for developing constraints in a systematic way that can be integrated into a CASE tool. Thus, we provide a semi-automated means for integrating constraints into the MDE process. Our approach is based on an extensible library of generic constraint patterns. Con- straint patterns can be combined to create complex constraints and easily parame- terized in a CASE tool. Moreover, we show how these parameterized patterns are transformed into platform-independent or platform-specific constraints by a model transformation.
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