public double getOrderPrice(Integer orderId) {
double price = 0.0;
try {
CustomerOrder order = em.find(CustomerOrder.class, orderId);
price = order.calculateAmmount();
} catch (Exception e) {
throw new EJBException(e.getMessage());
}
return price;
}
public void adjustOrderDiscount(int adjustment) {
try {
List orders = em.createNamedQuery("findAllOrders").getResultList();
for (Iterator it = orders.iterator(); it.hasNext(); ) {
CustomerOrder order = (CustomerOrder) it.next();
int newDiscount = order.getDiscount() + adjustment;
order.setDiscount((newDiscount > 0) ? newDiscount : 0);
}
} catch (Exception e) {
throw new EJBException(e.getMessage());
}
}
public void addLineItem(Integer orderId, String partNumber, int revision, int quantity) {
try {
CustomerOrder order = em.find(CustomerOrder.class, orderId);
logger.log(Level.INFO, "Found order ID {0}", orderId);
PartKey pkey = new PartKey();
pkey.setPartNumber(partNumber);
pkey.setRevision(revision);
Part part = em.find(Part.class, pkey);
LineItem lineItem = new LineItem(order, quantity, part.getVendorPart());
order.addLineItem(lineItem);
} catch (Exception e) {
logger.log(
Level.WARNING, "Couldn''t add {0} to order ID {1}.", new Object[] {partNumber, orderId});
throw new EJBException(e.getMessage());
}
}