Model Driven Architecture and Analysis of Its Theory of Mapping

A software architecture based on model driven is introduced in the paper. This architecture improves the portability, interoperability and reusability of the system by transforming the different models. In this architecture, the modeling language acts as a kind of programming language ,the reusability of software is realized by reusing the models.So, it improves the engineering quality. Furthermore, the paper introduces more about the mapping styles,the theory of it come into being in the models transform and expatiates clearly how to resolve the problem of the indirect mapping , which is the core parts of the MDA. Problems need to be resolved in future about this architecture are also discussed.