Design Patterns Explained: A New Perspective on Object-Oriented Design

Thinking in Patterns: Step 2a

I will work through the patterns, selecting them based on how each pattern creates the context for the other patterns.

When determining which patterns create the context for others in my problem domain, I apply an easy technique: I look through all possible pairings of the patterns, taken two at a time. In this case, there are six possible pairings, as shown in Figure 12-2.

Figure 12-2. Different possible relationships between the patterns.

If you have several other patterns, it may look like this process could get very involved. That turns out not to be the case. With a little experience, many of the patterns can ...