/**
* Returns the price of the product with the given product ID.
*
* @param productId the product ID
* @return the product's price
*/
@Transactional(readOnly = true)
public double getPrice(String productId) {
Product product = storeDAO.getProduct(productId);
return product.getPrice();
}
/**
* Returns the number of items in stock of the product with the given product ID.
*
* @param productId the product ID
* @return number of items
*/
@Transactional(readOnly = true)
public long getInventory(String productId) {
Product product = storeDAO.getProduct(productId);
return product.getInventory();
}