Refactoring Thumbnails : Hide Subsystem Complexity With Facade

Hide Subsystem Complexity With Facade

client code is has become overly complex because of its interaction with various subcomponents

introduce a Facade to hide subsystem complexity from client code

Context:
Hide Subsystem Complexity With Facade is an example of Introduce Indirection where the indirection level serves to hide the subsystem complexity. Hiding the subsystem by a Facade allows client access to the required behavior in terms of high-level operations.