Chapter 9. Domain Models

 

It's all very well in practice, but it will never work in theory.

 
 --anonymous management maxim

Objectives

  • Identify conceptual classes related to the current iteration.

  • Create an initial domain model.

  • Model appropriate attributes and associations.

Introduction

A domain model is the most important—and classic—model in OO analysis.[1] It illustrates noteworthy concepts in a domain. It can act as a source of inspiration for designing some software objects and will be an input to several artifacts explored in the case studies. This chapter also shows the value of OOA/D knowledge over UML notation; the basic notation is trivial, but there are subtle modeling guidelines for a useful model—expertise can take weeks or months. This ...

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