/*
 This file is part of the BlueJ program. 
 Copyright (C) 1999-2009  Michael Kolling and John Rosenberg 
 
 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. 
 
 This file is subject to the Classpath exception as provided in the  
 LICENSE.txt file that accompanied this code.
 */
package bluej.groupwork;

/**
 * A utility class for combining multiple commands into one.
 * 
 * @author Davin McCall
 */
public class CompoundCommand implements TeamworkCommand
{
    private TeamworkCommand command1;
    private TeamworkCommand command2;
    
    public CompoundCommand(TeamworkCommand command1, TeamworkCommand command2)
    {
        this.command1 = command1;
        this.command2 = command2;
    }
    
    public void cancel()
    {
        command1.cancel();
        command2.cancel();
    }

    public TeamworkCommandResult getResult()
    {
        TeamworkCommandResult result = command1.getResult();
        
        if (result.wasAborted() || result.isError()) {
            return result;
        }
        
        result = command2.getResult();
        return result;
    }

}
