com.hardcode.gdbms.engine.data.command
Class CommandStack

java.lang.Object
  com.hardcode.gdbms.engine.data.command.CommandStack

public class CommandStack
extends java.lang.Object

This class stores commands executed against the current edition theme. It stores a limited number of commands throwing away the first command that were stored in the stack when this limit is reached

Author:

Fernando González Cortés

Constructor Summary

CommandStack()

Method Summary

boolean	canRedo()
boolean	canUndo()
void	clear()
int	getLimit()
boolean	isUseLimit()
void	put(Command c)
Command	redo()
void	setLimit(int limit)
void	setUseLimit(boolean limited)
Command	undo()

Methods inherited from class java.lang.Object

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

Constructor Detail

CommandStack

public CommandStack()

Method Detail

put

public void put(Command c)
         throws DriverException

Throws:

DriverException

redo

public Command redo()
             throws DriverException

Throws:

DriverException

undo

public Command undo()
             throws DriverException

Throws:

DriverException

canUndo

public boolean canUndo()

canRedo

public boolean canRedo()

getLimit

public int getLimit()

setLimit

public void setLimit(int limit)

isUseLimit

public boolean isUseLimit()

setUseLimit

public void setUseLimit(boolean limited)

clear

public void clear()