Model-driven development for XDE migration

For Rational® XDE users, the Rational UML modeling products in the Rational Software Development Platform present a new paradigm for code and model development. Get started by reviewing the basic differences between code-model synchronization, visual editing, and transformation capabilities.
Note: Capabilities such as visual editing and transformations are only offered in Rational Software Architect and Rational Systems Developer.

In XDE synchronization, model and source code files are kept in a synchronized state by initiating a synchronization operation. The result is an updated model from modified source code, or updated source code from a modified model. Source code and model elements are distinct and separate, and are loosely linked for the purposes of synchronization. For software engineers and architects that work primarily in the code, synchronization is sometimes less than ideal because it presents obstacles for those who have little experience modeling with the Unified Modeling Language (UML).

Rational Software Architect and Rational Systems Developer move beyond the concept of synchronization and offer the following key features:

Enhanced UML modeling support enables the top-down design approach to software engineering by providing analysts, architects, and others an environment to do analysis and design using use case, class, and deployment diagrams. Visual editing support provides the bottom-up developer with features that enable design on the go. Transformations bridge the gap between UML models and code, as well as between models at different levels of abstraction.

Related tasks
Preparing for Rational XDE model migration
Migrating XDE models

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