ShelfImpl theShelf = (ShelfImpl) (myShelves.get(index));
ShelfImpl theShelf = (myShelves.get(index));
    public Shelf getShelf(int index) {        ShelfImpl theShelf = (ShelfImpl) (myShelves.get(index));        return ShelfHelper.narrow(OrbUtils.poaToCorbaObj(theShelf));    }