Hollywood Principle

Source: http://en.wikipedia.org/wiki/Hollywood_Principle

In computer programming, the Hollywood Principle is stated as "don't call us, we'll call you."

development of code with high cohesion and low coupling
software components should send messages to each other and reacting to the messages they receive
Each message handler has to perform its own local processing.
the developer must produce code that follows some conventions and requirements of the framework.