public void testLoadingStrategies() {
Session s = openSession();
s.beginTransaction();
Customer cust = new Customer("Acme, Inc.");
Order order = new Order(new Order.Id(cust, 1));
cust.getOrders().add(order);
s.save(cust);
s.getTransaction().commit();
s.close();
s = openSession();
s.beginTransaction();
cust = (Customer) s.get(Customer.class, cust.getId());
assertEquals(1, cust.getOrders().size());
s.clear();
cust = (Customer) s.createQuery("from Customer").uniqueResult();
assertEquals(1, cust.getOrders().size());
s.clear();
cust = (Customer) s.createQuery("from Customer c join fetch c.orders").uniqueResult();
assertEquals(1, cust.getOrders().size());
s.clear();
s.delete(cust);
s.getTransaction().commit();
s.close();
}
public static void createTestData(EntityManager em) {
em.getTransaction().begin();
// Create customer 1
Customer customer1 = new Customer();
customer1.setName("Customer1");
customer1.setId(1);
// Create customer 2
Customer customer2 = new Customer();
customer2.setName("Customer2");
customer2.setId(2);
// Create customer 3
Customer customer3 = new Customer();
customer3.setName("Customer3");
customer3.setId(3);
// Create 3 orders
Order order1 = new Order();
order1.setAddress("Address of order #1, Brazil");
order1.setId(1);
Order order2 = new Order();
order2.setAddress("Address of order #2, USA");
order2.setId(2);
Order order3 = new Order();
order3.setAddress("Address of order #3, Korea");
order3.setId(3);
// Since we are not using Cascade, we need to manaully persist orders
em.persist(order1);
em.persist(order2);
em.persist(order3);
// The first 2 orders belong to customer 1
customer1.getOrders().add(order1);
order1.setCustomer(customer1);
customer1.getOrders().add(order2);
order2.setCustomer(customer1);
// The 3rd order belongs to customer 2
customer2.getOrders().add(order3);
order3.setCustomer(customer2);
em.persist(customer1);
em.persist(customer2);
em.persist(customer3);
em.getTransaction().commit();
}
@Override
public int compareTo(Order o) {
if (o == null) {
throw new IllegalArgumentException("The object to compare is null");
}
if (flavor < o.flavor) {
return -1;
} else if (flavor == o.flavor) {
if (unmalt < o.unmalt) {
return -1;
} else if (unmalt > o.unmalt) {
return 1;
} else {
int a = customer.getOrders().size();
int b = o.customer.getOrders().size();
if (a < b) {
return -1;
} else if (a > b) {
return 1;
}
}
return 0;
} else {
return 1;
}
}
public static void addOrderToDB(Order o) {
Customer customer = CustomerServiceImpl.getCustomer(o.getCustomerID());
customer.setOrders(OrderServiceImpl.retrieveUnpaidOrders(customer));
customer.addOrder(o);
if (customer.getOrders().contains(o)) {
orderDAO.addOrder(o);
List<OrderItem> items = o.getItems();
Inventory inventory = new Inventory(InventoryServiceImpl.getAllAvailableProductsInDB());
for (OrderItem i : items) {
Product product = ProductServiceImpl.getProduct(i.getItemSKUNumber());
InventoryItem inventoryitem = InventoryServiceImpl.getInventoryItem(inventory, product);
InventoryServiceImpl.deductFromInventory(inventory, inventoryitem, i.getQuantity());
}
}
}
public void testSaveCascadedToKeyManyToOne() {
// test cascading a save to an association with a key-many-to-one which refers to a
// just saved entity
Session s = openSession();
s.beginTransaction();
Customer cust = new Customer("Acme, Inc.");
Order order = new Order(new Order.Id(cust, 1));
cust.getOrders().add(order);
s.save(cust);
s.flush();
assertEquals(2, sfi().getStatistics().getEntityInsertCount());
s.delete(cust);
s.getTransaction().commit();
s.close();
}
/*
* Some data to play with.
*/
static void saveData(Database db) throws DatabaseException {
Customer customer =
new Customer(
"jjohnson", "mypasswd5", "John", "Johnson", "ABCProducts", "*****@*****.**");
customer.getOrders().add(new Order("NFL Broncos Coffee Cup", 100, 1.00, "unverified"));
db.saveObject(customer);
customer =
new Customer(
"deisenhower",
"mypasswd5",
"Dwight",
"Eisenhower",
"United States",
"*****@*****.**");
customer
.getSupport()
.add(
new Support(
"Request",
"New",
"no phone",
"*****@*****.**",
"Can I have my bust on a dollar, please."));
customer
.getSupport()
.add(
new Support(
"Response",
"Pending",
"no phone",
"*****@*****.**",
"Yes, but you may have to share it."));
customer
.getSupport()
.add(
new Support(
"Request",
"New",
"no phone",
"*****@*****.**",
"Share it with who?"));
customer
.getOrders()
.add(
new Order(
"Dwight D. Eisenhower Dollar", new Integer(100), new Double(1.00), "unverified"));
customer
.getOrders()
.add(new Order("Susan B. Anthony Dollar", new Integer(10), new Double(1.52), "unverified"));
db.saveObject(customer);
customer =
new Customer(
"ssmith", "mypasswd", "Scott", "Smith", "ABCProducts", "*****@*****.**");
customer
.getOrders()
.add(new Order("NFL Seattle Seahawks Team T-Shirts", 150, 12.00, "unverified"));
db.saveObject(customer);
customer =
new Customer(
"ssmith2", "mypasswd", "Scott", "Smith2", "ABCProducts", "*****@*****.**");
customer
.getOrders()
.add(new Order("NFL Denver Broncos Team T-Shirts", 150, 12.00, "unverified"));
db.saveObject(customer);
}