Composite

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Composite
Contributors Erich Gamma, Richard Helm, Ralph Johnson, John Vlissides
Last modification May 17, 2017
Source Gamma, Helm, Johnson & Vlissides (1995)[1], Composite Pattern (2016)[2]
Pattern formats OPR Alexandrian
Usability
Learning domain
Stakeholders

Compose objects into tree structures that represent whole-part hierarchies. Composite lets clients treat individual objects and compositions of objects uniformly. A leaf has the same interface as a node.[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 Composite Pattern. (2016). Retrieved October 4, 2016 from http://c2.com/cgi/wiki?CompositePattern.