June 2016
Intermediate to advanced
290 pages
6h 45m
English
Content preview from Mastering JavaScript Design Patterns - Second Edition
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Façade
The façade pattern is a special case of the Adapter pattern that provides a simplified interface over a collection of classes. I mentioned such a scenario in the section on the adapter pattern but only within the context of a single class, SimpleShip. This same idea can be expanded to provide an abstraction around a group of classes or an entire subsystem. The façade pattern in UML form looks like the following diagram:
Implementation
If we take the same
SimpleShip as before and expand it to an entire fleet, we have a great example of a use for creating a façade. If it was difficult to sail a single ship it would be far more difficult to command ...
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