/*
* $Id$
*
* Copyright (c) 2000-2003 by Rodney Kinney
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License (LGPL) as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, copies are available
* at http://www.opensource.org.
*/
package VASSAL.command;
import VASSAL.counters.Decorator;
import VASSAL.counters.GamePiece;
/**
* This class makes it more convenient to create a ChangePiece command.
* A TrackPiece is instantiated with a GamePiece and later finalized.
* The old state is the state of the GamePIece at instantiation, while
* the new state is the state of the GamePiece at finalization.
* @deprecated Use {@link ChangeTracker}
*/
@Deprecated public class TrackPiece extends ChangePiece {
private GamePiece piece;
public TrackPiece(GamePiece p) {
super(p.getId(), Decorator.getOutermost(p).getState(), null);
piece = p;
}
public String getNewState() {
if (newState == null) {
throw new RuntimeException("Must invoke finalize() before getting new state");
}
return super.getNewState();
}
public void finalize() {
newState = Decorator.getOutermost(piece).getState();
}
}