Design Patterns

Command

  • Have detailed knowledge of a Command Pattern implementation
  • Understand undo/redo mechanisms
  • Consider potential pitfalls with command implementations

Slides

a-command.pdf b-pacemaker-structure.pdf c-pacemaker-cliche.pdf d-pacemaker-command.pdf e-pacemaker-undo.pdf f-undo-redo-discusson.pdf

Lab

Start

Objectives

  • Rework the cliche library, using Strategy to delegate command processing..
  • Implement the Command pattern into a simplified version of Pacemaker
  • Extend the implementation to include undo/redo capability

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Prepared by Eamonn de Leastar (edeleastar@wit.ie). Except where otherwise noted, this content is licensed under a Creative Commons Attribution-NonCommercial 4.0 License