This chapter covers the Command pattern.
GoF Definition
It encapsulates a request as an object, thereby letting you parameterize clients with different requests, queue or log requests, and support undoable operations.
Concept
Using this pattern, you encapsulate a method invocation process. Here an object can invoke an operation through some crystalized method, and it does not worry about how to perform the intended operation. This pattern is often used in a multithreaded environment. It’s one of those patterns that is normally ...
