Examples of com.sun.bookstore.database.Book

        Iterator i = items.iterator();


        try {
            while (i.hasNext()) {
                ShoppingCartItem sci = (ShoppingCartItem) i.next();
                Book bd = (Book) sci.getItem();
                String id = bd.getBookId();
                int quantity = sci.getQuantity();
                buyBook(id, quantity);
            }
        } catch (Exception ex) {
            throw new OrderException("Commit failed: " + ex.getMessage());


    public void buyBook(
        String bookId,
        int quantity) throws OrderException {
        try {
            Book requestedBook = em.find(Book.class, bookId);


            if (requestedBook != null) {
                int inventory = requestedBook.getInventory();


                if ((inventory - quantity) >= 0) {
                    int newInventory = inventory - quantity;
                    requestedBook.setInventory(newInventory);
                } else {
                    throw new OrderException(
                            "Not enough of " + bookId
                            + " in stock to complete order.");
                }

    public void doGet(
        HttpServletRequest request,
        HttpServletResponse response) {
        String bookId = null;
        String clear = null;
        Book book = null;
        BookDBAO bookDBAO = (BookDBAO) getServletContext()
                                           .getAttribute("bookDBAO");
        HttpSession session = request.getSession();
        String selectedScreen = request.getServletPath();

Related Classes of com.sun.bookstore.database.Book

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