@Override
public void undo() {
try {
// Load backup file
persistencer.undo(player.getName(), isPermitted());
// Read backup file
persistencer.read(gameState, player.getName());
} catch (IOException e) {
logger.log(Level.WARNING, "Could not undo turn", e);
}
}
@Override
public boolean isUndoable() {
return isPermitted() && persistencer.isAvailable(player.getName(), true);
}