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Adding Behavior to Enterprise Objects

Some of the more common ways to add behavior to your enterprise object classes are:

Performing computations based on the values of class properties. For example, from an Employee's salary property, you might calculate a bonus.
Managing the creation and insertion of objects (for example, assigning default values to newly created objects, creating related objects as the by-product of inserting a new object, appropriately setting relationships for new objects, and so on)
Performing validation when a particular operation (such as save or delete) takes place
Adding sophisticated business logic

For a more complete discussion of this subject, see the chapter "Designing Enterprise Objects" in the Enterprise Objects Framework Developer's Guide.