gov.nih.nlm.mms
Interface UndoHandler

All Known Implementing Classes:

EnableFilterUndoHandler, GUIConfigurableUndoHandler, InputStreamUndoHandler, OutputStreamUndoHandler

public interface UndoHandler

Generically represents a handler for undoing a certain action.

Author:

Deborah Shapiro

Method Summary

String	getTitle() Returns the title to appear on a menu item.
void	undo(Object o1, Object o2) Performs the undo operation

Method Detail

getTitle

String getTitle()

Returns the title to appear on a menu item.

Returns:

the title to appear on a menu item

undo

void undo(Object o1,
          Object o2)

Performs the undo operation

Parameters:

o1 - object 1, context specific piece of information for undoing action.

o2 - object 2, context specific piece of information for undoing action