This chapter covers the mediator pattern.
GoF Definition
Define an object that encapsulates how a set of objects interact. Mediator promotes loose coupling by keeping objects from referring to each other explicitly, and it lets you vary their interaction independently.
Concept
A mediator takes the responsibility of controlling and coordinating the interactions of a specific group of objects that cannot refer to each other explicitly. So, you can imagine a mediator as an intermediary through whom these objects talk to each other. This kind of implementation helps reduce the number ...
