Composite Pattern

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description

An overview of the Composite Pattern form the GoF book.

Transcript of Composite Pattern

Page 1: Composite Pattern

Structural Patterns - Composite

Melbourne Patterns Group July 1 2009Chris Bushell

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Intent

Allow clients to treat primitive objects and containers in the same way

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Graphics Example

• Line

• Rectangle

• Text

etc.

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Graphics Example Continued

GraphicLineRectanglePicture

LineRectangle

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Recursive Composition

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Puzzle Example

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Participants

• Component

• Leaf

• Composite

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Participants

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Code


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The Composite Door Collection · Zinc Art Abstract (no pattern required) English Rose Finesse (no pattern required) Art Clarity Brass or Zinc (no pattern required) Fleur Classic (no

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The Composite Pattern

The Composite Pattern

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The Composite Pattern.. Composite Pattern Intent –Compose objects into tree structures to represent part-whole hierarchies. –Composite lets clients treat.

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