Abstract
Consistent management of structured information is the goal of data-centric business applications. Model-driven development helps to automatically generate such applications. Current approaches target full or one shot generation of business applications and often neglect simplicity and adaptability of the code generator and the generated code. Inspection of the generated code is required to add functionality. Thus, here we discuss mechanisms for a code generator to generate a lightweight and highly customizable data-centric business application that is targeted for a variety of users including generated application users, tool developers, and product developers. We achieve simplicity by reducing the mapping of the input model to the generated code to a minimal core of easily understandable concepts. High customizability is achieved by providing a variety of mechanisms to extend the generator and the generated code. These include template overriding and hook points to extend the code generator; and hot spots and additional manual extensions to extend the generated code. It is even possible to fully control the code generator and the entire generation process via a scripting language.
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