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3460:421 OOP Command Pattern

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Across
  1. 4. Applicable when you want to support _____ changes in case of a system crash
  2. 6. An issue to deal with in implementation is avoiding error _____ in the undo
  3. 8. Applicable when you want to support unlimited ____ and redo
  4. 12. A participant that knows how to perform the operations associated with carrying out a request
  5. 13. An Invoker object ______ the ConcreteCommand object
  6. 14. An idea for implementation is using C++ _____ to avoid creating Command subclasses
  7. 15. _____ is a related pattern used to implement MacroCommands
  8. 16. In the Motivation, the class _____ has the role of Command
  9. 20. For undo and redo, for a method execute() the corresponding method is _____
  10. 23. The Client ____ a ConcreteCommand object
  11. 24. The ConcreteCommand object _____ operations on its receiver to carry out the request
  12. 26. Command is copied before being placed on a history list acts as a __________
  13. 28. A participant that creates a ConcreteCommand object and sets its receiver
  14. 29. Another Command AKA
  15. 33. A participant that declares an interface for executing an operation
  16. 34. The Invoker object ____ a request by calling an operation on the command
  17. 35. Command AKA
  18. 36. In the Motivation, the class _____ has the role of ConcreteCommand
Down
  1. 1. In the Motivation, the class _____ has the role of Client
  2. 2. A participant that defines a binding between a Receiver object and an action and invokes the corresponding operation on the Receiver object
  3. 3. In the Motivation, the class _____ has the role of ConcreteCommand, and can consist of multiple commands
  4. 5. Multiple commands can be assembled into a _________ command (e.g., MacroCommand), and are instances of the Composite pattern
  5. 7. _____ is a related pattern that keeps state the command requires for an undo
  6. 9. Command is a _____ Pattern
  7. 10. Commands are _____-_____ objects and can be manipulated and extended like any other object.
  8. 11. Use the command pattern when you want to _____ objects by an action to perform
  9. 17. In the Motivation, the class _____ has the role of Invoker
  10. 18. In the Motivation, the class _____ has the role of Receiver
  11. 19. A question for implementation is "How ___________ should a command be?"
  12. 21. Applicable when you want to support _____
  13. 22. Command _________ the object that invokes the operation from the one that knows how to perform it
  14. 25. A detail for implementation is supporting undo and _____
  15. 27. Easy to add new Commands because you don’t have to ______ existing classes.
  16. 30. The _____ Pattern allows you to encapsulate a request as an object
  17. 31. A participant that asks the command to carry out the request
  18. 32. In the Motivation, the class _____ has the role of ConcreteCommand