null_object.py File Reference

Implementation of the MoveProcessor class and the MoveCommand base class, along with the various MoveXX classes used in the Null Object Pattern. More...

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Classes
class	MoveCommand
	Base class that represents a move command. More...
class	MoveCommandLeft
	Represents the Move Left command. More...
class	MoveCommandRight
	Represents the Move Right command. More...
class	MoveCommandUp
	Represents the Move Up command. More...
class	MoveCommandDown
	Represents the Move Down command. More...
class	MoveCommandNone
	Represents the Do Nothing command. More...
class	MoveProcessor
	Represents the processor that translates the move list into a list of MoveCommand objects then either displays them or executes them. More...

Namespaces
namespace	DesignPatternExamples_python
	The DesignPatternExamples_python package, containing 20 examples of design patterns, each in their own namespace.
namespace	DesignPatternExamples_python.nullobject
namespace	DesignPatternExamples_python.nullobject.null_object

Detailed Description

Implementation of the MoveProcessor class and the MoveCommand base class, along with the various MoveXX classes used in the Null Object Pattern.

Definition in file null_object.py.