AdvancED ActionScript 3.0: Design Patterns

The Simple Factory

A Simple Factory encapsulates the conditional logic used to create a product. Figure 6-1 shows the class diagram.

Figure 6-1. Simple Factory class diagram

A Simple Factory has the following parts:

• Abstract product
• Concrete productt
• Concrete creatort
• Client

Its benefits are as follows:

• Conceals the logic of product creation
• Only deals with the product interfaces

It also has this drawback:

• Lacks the flexibility to change (change is a constant)

A Comprehensive Look

Simple Factory isn't a design pattern, but it needs to be included in this chapter because the Factory Method design pattern uses what resembles a simple factory. ...