insensa.commands
Class CommandManager

java.lang.Object
  insensa.commands.CommandManager

public class CommandManager
extends java.lang.Object

Field Summary

private java.util.Stack<ModelCommand>	commandStack
private java.lang.Exception	exception
private static CommandManager	instance
static int	STATUS_FAIL
static int	STATUS_SUCCESS
private java.util.Stack<ModelCommand>	undoStack

Constructor Summary

private

CommandManager()

Method Summary

void	addCommand(ModelCommand command) Adds the command to the beginning of the stack.
void	clearCommands()
int	executeCommands()
java.lang.Exception	getException()
static CommandManager	getInstance()
ModelCommand	getLastCommand()
void	pushCommand(ModelCommand command) Adds the command to the end of the stack.
int	undoCommands()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

instance

private static CommandManager instance

commandStack

private java.util.Stack<ModelCommand> commandStack

undoStack

private java.util.Stack<ModelCommand> undoStack

exception

private java.lang.Exception exception

STATUS_SUCCESS

public static final int STATUS_SUCCESS

See Also:

Constant Field Values

STATUS_FAIL

public static final int STATUS_FAIL

See Also:

Constant Field Values

Constructor Detail

CommandManager

private CommandManager()

Method Detail

getInstance

public static CommandManager getInstance()

Returns:

addCommand

public void addCommand(ModelCommand command)

Adds the command to the beginning of the stack.

Parameters:

command -

clearCommands

public void clearCommands()

executeCommands

public int executeCommands()

Returns:

getException

public java.lang.Exception getException()

Returns:

getLastCommand

public ModelCommand getLastCommand()

Returns:

pushCommand

public void pushCommand(ModelCommand command)

Adds the command to the end of the stack.

Parameters:

command -

undoCommands

public int undoCommands()

Returns: