/* ********************************************************************** **
** Copyright notice **
** **
** (c) 2005-2009 RSSOwl Development Team **
** http://www.rssowl.org/ **
** **
** All rights reserved **
** **
** This program and the accompanying materials are made available under **
** the terms of the Eclipse Public License v1.0 which accompanies this **
** distribution, and is available at: **
** http://www.rssowl.org/legal/epl-v10.html **
** **
** A copy is found in the file epl-v10.html and important notices to the **
** license from the team is found in the textfile LICENSE.txt distributed **
** in this package. **
** **
** This copyright notice MUST APPEAR in all copies of the file! **
** **
** Contributors: **
** RSSOwl Development Team - initial API and implementation **
** **
** ********************************************************************** */
package org.rssowl.ui.internal.undo;
/**
* Instances of {@link IUndoOperation} can be added to the {@link UndoStack} and
* support undo/redo.
*
* @author bpasero
*/
public interface IUndoOperation {
/**
* @return Returns a displayable name for this operation to show in the UI.
*/
String getName();
/**
* Asks to undo this operation.
*/
void undo();
/**
* Asks to redo this operation.
*/
void redo();
/**
* @return <code>true</code> if the user should be presented with progress
* while this operation is running and <code>false</code> otherwise.
*/
boolean isLongRunning();
}