Design Patterns in C#: A Hands-on Guide with Real-World Examples

© Vaskaran Sarcar 2018

V. SarcarDesign Patterns in C#https://doi.org/10.1007/978-1-4842-3640-6_9

9. Facade Pattern

Vaskaran Sarcar¹  

(1)

Whitefield, Bangalore, Karnataka, India

 

This chapter covers the Facade pattern.

GoF Definition

Provide a unified interface to a set of interfaces in a subsystem. Facade defines a higher-level interface that makes the subsystem easier to use.

Concept

This pattern supports loose coupling. With this pattern, you can emphasize the abstraction and hide the complex details by exposing a simple interface.

Real-Life Example

Suppose you are going to host a birthday party with 300 guests. Nowadays you can hire a party organizer and let them know the key information such as the party type, date and time of the party, number of attendees, ...