| gvSIG desktop 1

/* gvSIG. Geographic Information System of the Valencian Government

*

* Copyright (C) 2007-2008 Infrastructures and Transports Department

* of the Valencian Government (CIT)

* 

* This program is free software; you can redistribute it and/or

* modify it under the terms of the GNU General Public License

* as published by the Free Software Foundation; either version 2

* of the License, or (at your option) any later version.

* 

* This program is distributed in the hope that it will be useful,

* but WITHOUT ANY WARRANTY; without even the implied warranty of

* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

* GNU General Public License for more details.

* 

* You should have received a copy of the GNU General Public License

* along with this program; if not, write to the Free Software

* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, 

* MA  02110-1301, USA.

* 

*/

/*

* AUTHORS (In addition to CIT):

* 2008 {DiSiD Technologies}  {{Task}}

*/

package org.gvsig.tools.undo.command;

import org.gvsig.tools.undo.UndoRedoInfo;

import org.gvsig.tools.undo.RedoException;

import org.gvsig.tools.undo.UndoException;

/**

 * Undo/Redoable command interface.

 * 

 * @author <a href="mailto:cordin@disid.com">C?sar Ordi?ana</a>

 */

public interface Command extends UndoRedoInfo {

    /**

     * Undoes the following undoable command.

     * 

     * @throws UndoException

     *             if there is an error performing de undo action

     */

    void undo() throws UndoException;

    /**

     * Re-does the following redoable command.

     * 

     * @throws RedoException

     *             if there is an error performing de redo action

     */

    void redo() throws RedoException;

}