CSC/ECE 517 Fall 2010/ch6 6h mf

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Domain Model

The domain model is an object model that encapsulates the rules, logic, and data associated with the problem domain. The purpose of domain modeling is to separate the concern of problem solving from other concerns like the user interface and persistent storage.

Domain objects represent real world entities, both tangible and intangible, encountered in the problem domain. For example, consider the Spring framework PetClinic sample application. In this application, the domain objects include Person, Vet, Owner, Pet, and Visit. Visit is an example of an intangible entity, in other words an abstract concept, that is part of the problem domain. Contrast these domain objects with graphical user interface (GUI) objects like buttons and text fields which are not relevant to the problem domain.

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