CS 4773 Object Oriented Systems March 28, 2005

• The Strategy Pattern
• Current editor design - see version dated March 25
  • CommandDecoder class eliminated
  • RawCommand class changed to ExecutableCommand
    If represents an executable command (with arguments)
  • Command class added. This is different from the Commands class
    It represents a single command (without the arguments)
  • EditingSession needs decodeCommand and insertInQueue
  • GUIs call decodeCommand and insertInQueue from EditingSession
  • Commands are now created differently.
    See the CommandExecuterUtility class
    A CommandExecuter needs a static setID method.
  • commands command added. It displays all known commands.
• Formatting standards