Structural Patterns - Composite

Melbourne Patterns Group July 1 2009Chris Bushell

Intent

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

Graphics Example

• Line

• Rectangle

• Text

etc.

Graphics Example Continued

GraphicLineRectanglePicture

LineRectangle

Recursive Composition

Puzzle Example

Participants

• Component

• Leaf

• Composite

Participants

Code