Software Design - The Command Pattern

Develpreneur: Become a Better Developer and Entrepreneur · Dec 19, 2018 · 13m

We continue our look into the behavioral patterns with an examination of the Command pattern. This is another one of them that will seem very familiar. In fact, you have probably made use of this in one way or another in your code.

The Command Pattern Defined

As always, we will start with the "Gang of Four" intent to set the stage for our discussion.

"Encapsulate a request as an object, thereby letting you parameterize clients with different requests, queue or log requests, and support undoable operations."

This intent is short and sweet both in the description and in implementation. The goal…