com.redstarhackers.func
Interface UndoableFunction

All Superinterfaces:

Function

All Known Subinterfaces:

BusinessFunction

All Known Implementing Classes:

AbstractFunc

public interface UndoableFunction

extends Function

TODO Class summary sentence. Class documentation.

Version:

$Revision: 1.1 $

Author:

$Author: kostya $

Method Summary

boolean	isUndone() Returns true is a function had undo() called on it.
void	undo() Undoes the function (if possible).

Methods inherited from interface com.redstarhackers.func.Function

execute, getResult

Method Detail

undo

public void undo()
          throws ApplicationException

Undoes the function (if possible). Depending on the function and the implementation, this may actually undo work or rollback work, or it may signal wrapping contexts to perform the undo or rollback on behalf of the function.

Throws:

ApplicationException

isUndone

public boolean isUndone()

Returns true is a function had undo() called on it. False means the function executed correctly.

Returns: