Facade

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Facade
Contributors Erich Gamma, Richard Helm, Ralph Johnson, John Vlissides
Last modification May 15, 2017
Source Gamma, Helm, Johnson & Vlissides (1995)[1], Facade Pattern (2016)[2]
Pattern formats OPR Alexandrian
Usability
Learning domain
Stakeholders

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. This can be used to simplify a number of complicated object interactions into a single interface.[1][2]


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  1. 1.0 1.1 Gamma, E., Helm, R., Johnson, R. & Vlissides, J. (1995). Design Patterns: elements of reusable object-oriented software. Addison-Wesley: Boston, MA.ISBN 0-201-63361-2.
  2. 2.0 2.1 Facade Pattern. (2016). Retrieved November 15, 2016 from http://wiki.c2.com/?FacadePattern.