public Order(Customer customer)
{
this.customer = customer;
id.CustomerId = customer.CustomerId;
id.OrderNumber = customer.Orders.Count;
customer.Orders.Add(this);
}
public void NonLazyFetch()
{
ISession s = OpenSession();
ITransaction t = s.BeginTransaction();
Product p = new Product();
p.ProductId = "A123";
p.Description = "nipple ring";
p.Price = 1.0m;
p.NumberAvailable = 1004;
s.Persist(p);
Product p2 = new Product();
p2.ProductId = "X525";
p2.Description = "nose stud";
p2.Price = 3.0m;
p2.NumberAvailable = 105;
s.Persist(p2);
Customer c = new Customer();
c.Address = "St Kilda Rd, MEL, 3000";
c.Name = "Virginia";
c.CustomerId = "C111";
s.Persist(c);
Order o = new Order(c);
o.OrderDate = DateTime.Today;
LineItem li = new LineItem(o, p);
li.Quantity = 2;
t.Commit();
s.Close();
s = OpenSession();
t = s.BeginTransaction();
o = s.Get<Order>(new Order.ID("C111", 0));
Assert.AreEqual(2m, o.Total);
t.Commit();
s.Close();
s = OpenSession();
t = s.BeginTransaction();
o = (Order) s.CreateQuery("from Order o left join fetch o.LineItems li left join fetch li.Product p").UniqueResult();
Assert.IsTrue(NHibernateUtil.IsInitialized(o.LineItems));
li = (LineItem) o.LineItems[0];
Assert.IsTrue(NHibernateUtil.IsInitialized(li));
Assert.IsTrue(NHibernateUtil.IsInitialized(li.Product));
t.Commit();
s.Close();
s = OpenSession();
t = s.BeginTransaction();
o = (Order) s.CreateQuery("from Order o").UniqueResult();
Assert.IsTrue(NHibernateUtil.IsInitialized(o.LineItems));
li = (LineItem) o.LineItems[0];
Assert.IsTrue(NHibernateUtil.IsInitialized(li));
Assert.IsFalse(NHibernateUtil.IsInitialized(li.Product));
t.Commit();
s.Close();
s = OpenSession();
t = s.BeginTransaction();
s.Delete("from LineItem");
s.Delete("from Order");
s.Delete("from Customer");
s.Delete("from Product");
t.Commit();
s.Close();
}
public void CompositeIds()
{
ISession s;
ITransaction t;
Product p2;
using (s = OpenSession())
{
t = s.BeginTransaction();
Product p = new Product();
p.ProductId = "A123";
p.Description = "nipple ring";
p.Price = 1.0m;
p.NumberAvailable = 1004;
s.Persist(p);
p2 = new Product();
p2.ProductId = "X525";
p2.Description = "nose stud";
p2.Price = 3.0m;
p2.NumberAvailable = 105;
s.Persist(p2);
Customer c = new Customer();
c.Address = "St Kilda Rd, MEL, 3000";
c.Name = "Virginia";
c.CustomerId = "C111";
s.Persist(c);
Order o = new Order(c);
o.OrderDate = DateTime.Today;
LineItem li = new LineItem(o, p);
li.Quantity = 2;
t.Commit();
}
using (s = OpenSession())
{
t = s.BeginTransaction();
Order o = s.Get<Order>(new Order.ID("C111", 0));
Assert.That(o.Total == 2m);
t.Commit();
}
using(s = OpenSession())
{
t = s.BeginTransaction();
s.CreateQuery(
"from Customer c left join fetch c.Orders o left join fetch o.LineItems li left join fetch li.Product p").List();
t.Commit();
}
using(s = OpenSession())
{
t = s.BeginTransaction();
s.CreateQuery("from Order o left join fetch o.LineItems li left join fetch li.Product p").List();
t.Commit();
}
using(s = OpenSession())
{
t = s.BeginTransaction();
IEnumerable iter = s.CreateQuery("select o.id, li.id from Order o join o.LineItems li").List();
foreach (object[] stuff in iter)
{
Assert.AreEqual(2, stuff.Length);
}
iter = s.CreateQuery("from Order o join o.LineItems li").Enumerable();
foreach (object[] stuff in iter)
{
Assert.AreEqual(2, stuff.Length);
}
t.Commit();
}
using(s = OpenSession())
{
t = s.BeginTransaction();
Customer c = s.Get<Customer>("C111");
Order o2 = new Order(c);
o2.OrderDate = DateTime.Today;
s.Flush();
LineItem li2 = new LineItem(o2, p2);
li2.Quantity = 5;
IList bigOrders = s.CreateQuery("from Order o where o.Total>10.0").List();
Assert.AreEqual(1, bigOrders.Count);
t.Commit();
}
using (s = OpenSession())
{
t = s.BeginTransaction();
s.Delete("from LineItem");
s.Delete("from Order");
s.Delete("from Customer");
s.Delete("from Product");
t.Commit();
}
}
public void MultipleCollectionFetch()
{
ISession s = OpenSession();
ITransaction t = s.BeginTransaction();
Product p = new Product();
p.ProductId = "A123";
p.Description = "nipple ring";
p.Price = 1.0m;
p.NumberAvailable = 1004;
s.Persist(p);
Product p2 = new Product();
p2.ProductId = "X525";
p2.Description = "nose stud";
p2.Price = 3.0m;
p2.NumberAvailable = 105;
s.Persist(p2);
Customer c = new Customer();
c.Address = "St Kilda Rd, MEL, 3000";
c.Name = "Virginia";
c.CustomerId = "C111";
s.Persist(c);
Order o = new Order(c);
o.OrderDate = DateTime.Today;
LineItem li = new LineItem(o, p);
li.Quantity = 2;
LineItem li2 = new LineItem(o, p2);
li2.Quantity = 3;
Order o2 = new Order(c);
o2.OrderDate = DateTime.Today;
LineItem li3 = new LineItem(o2, p);
li3.Quantity = 1;
LineItem li4 = new LineItem(o2, p2);
li4.Quantity = 1;
t.Commit();
s.Close();
s = OpenSession();
t = s.BeginTransaction();
c =
(Customer)
s.CreateQuery(
"from Customer c left join fetch c.Orders o left join fetch o.LineItems li left join fetch li.Product p").
UniqueResult();
Assert.IsTrue(NHibernateUtil.IsInitialized(c.Orders));
Assert.AreEqual(2, c.Orders.Count);
Assert.IsTrue(NHibernateUtil.IsInitialized(((Order) c.Orders[0]).LineItems));
Assert.IsTrue(NHibernateUtil.IsInitialized(((Order) c.Orders[1]).LineItems));
Assert.AreEqual(((Order) c.Orders[0]).LineItems.Count, 2);
Assert.AreEqual(((Order) c.Orders[1]).LineItems.Count, 2);
t.Commit();
s.Close();
s = OpenSession();
t = s.BeginTransaction();
s.Delete("from LineItem");
s.Delete("from Order");
s.Delete("from Customer");
s.Delete("from Product");
t.Commit();
s.Close();
}