Chapter 11. The Abstract Factory Pattern

Overview

In this chapter

This chapter continues our study of patterns with the Abstract Factory pattern, which is used to create families of objects.

This chapter

•   Provides an example to help you derive the Abstract Factory pattern.

•   Presents the key features of the Abstract Factory pattern.

•   Relates the Abstract Factory pattern to the CAD/CAM problem.

Introducing the Abstract Factory Pattern

Intent: Coordinate the instantiation of objects

According to the Gang of Four, the intent of the Abstract Factory pattern is to “provide an interface for creating families of related or dependent objects without specifying their concrete classes.”1

Sometimes several objects need to be instantiated ...

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