// Constructors
public OrderDetail(Order order, Product product)
: base(order.Session, order, product)
{
}
public static void Fill(Domain domain)
{
con.Open();
SqlTransaction transaction = con.BeginTransaction();
SqlCommand cmd = con.CreateCommand();
cmd.Transaction = transaction;
cmd.CommandText = "Select * from [dbo].[Categories]";
var reader = cmd.ExecuteReader();
using (var session = domain.OpenSession())
using (var tr = session.OpenTransaction())
{
#region Categories
var categories = new Dictionary<object, Category>();
while (reader.Read())
{
var category = new Category(session);
for (int i = 1; i < reader.FieldCount; i++)
category[reader.GetName(i)] = !reader.IsDBNull(i) ? reader.GetValue(i) : null;
categories.Add(reader.GetValue(0), category);
}
reader.Close();
#endregion
#region Customers
var customers = new Dictionary<object, Customer>();
cmd.CommandText = "Select * from [dbo].[Customers]";
reader = cmd.ExecuteReader();
while (reader.Read())
{
var customer = new Customer(session, reader.GetString(0));
for (int i = 1; i < reader.FieldCount; i++)
customer[reader.GetName(i)] = !reader.IsDBNull(i) ? reader.GetValue(i) : null;
customers.Add(reader.GetValue(0), customer);
}
reader.Close();
#endregion
#region Regions
var regions = new Dictionary<object, Region>();
cmd.CommandText = "Select * from [dbo].[Region]";
reader = cmd.ExecuteReader();
while (reader.Read())
{
var region = new Region(session);
for (int i = 1; i < reader.FieldCount; i++)
region[reader.GetName(i)] = !reader.IsDBNull(i) ? reader.GetValue(i) : null;
regions.Add(reader.GetValue(0), region);
}
reader.Close();
#endregion
#region Suppliers
var suppliers = new Dictionary<object, Supplier>();
cmd.CommandText = "Select * from [dbo].[Suppliers]";
reader = cmd.ExecuteReader();
while (reader.Read()) {
var supplier = new Supplier(session);
for (int i = 1; i < reader.FieldCount; i++)
supplier[reader.GetName(i)] = !reader.IsDBNull(i) ? reader.GetValue(i) : null;
suppliers.Add(reader.GetValue(0), supplier);
}
reader.Close();
#endregion
#region Shippers
var shippers = new Dictionary<object, Shipper>();
cmd.CommandText = "Select * from [dbo].[Shippers]";
reader = cmd.ExecuteReader();
while (reader.Read())
{
var shipper = new Shipper(session);
for (int i = 1; i < reader.FieldCount; i++)
shipper[reader.GetName(i)] = !reader.IsDBNull(i) ? reader.GetValue(i) : null;
shippers.Add(reader.GetValue(0), shipper);
}
reader.Close();
#endregion
#region Products
var products = new Dictionary<object, Product>();
cmd.CommandText = "Select * from [dbo].[Products]";
reader = cmd.ExecuteReader(CommandBehavior.KeyInfo);
while (reader.Read())
{
var discontinuedColumnIndex = reader.GetOrdinal("Discontinued");
Product product = reader.GetBoolean(discontinuedColumnIndex)
? (Product) new DiscontinuedProduct(session)
: new ActiveProduct(session);
for (int i = 1; i < reader.FieldCount; i++)
switch (i)
{
case 2:
product.Supplier = !reader.IsDBNull(i) ? suppliers[reader.GetValue(i)] : null;
break;
case 3:
product.Category = !reader.IsDBNull(i) ? categories[reader.GetValue(i)] : null;
break;
default:
if (i != discontinuedColumnIndex)
product[reader.GetName(i)] = !reader.IsDBNull(i) ? reader.GetValue(i) : null;
break;
}
products.Add(reader.GetValue(0), product);
}
reader.Close();
#endregion
#region Employees
var employees = new Dictionary<object, Employee>();
cmd.CommandText = "Select * from [dbo].[Employees]";
reader = cmd.ExecuteReader();
while (reader.Read())
{
var employee = new Employee(session);
for (int i = 1; i < reader.FieldCount; i++)
if (i != 16)
employee[reader.GetName(i)] = !reader.IsDBNull(i) ? reader.GetValue(i) : null;
employees.Add(reader.GetValue(0), employee);
}
reader.Close();
reader = cmd.ExecuteReader();
while (reader.Read())
{
var employee = employees[reader.GetValue(0)];
bool isNull = reader.IsDBNull(16);
if (!isNull)
{
int employeeId = reader.GetInt32(16);
var reportsTo = employees[employeeId];
if (reportsTo == null)
throw new NullReferenceException("Employee is null.");
employee.ReportsTo = reportsTo;
}
}
reader.Close();
#endregion
#region Territories
var territories = new Dictionary<object, Territory>();
cmd.CommandText = "Select * from [dbo].[Territories]";
reader = cmd.ExecuteReader();
while (reader.Read())
{
var territory = new Territory(session, reader.GetString(0));
territory.TerritoryDescription = reader.GetString(1);
territory.Region = regions[reader.GetValue(2)];
territories.Add(reader.GetValue(0), territory);
}
reader.Close();
#endregion
#region EmployeeTerritories
cmd.CommandText = "Select * from [dbo].[EmployeeTerritories]";
reader = cmd.ExecuteReader();
while (reader.Read())
{
var territory = territories[reader.GetString(1)];
var employee = employees[reader.GetInt32(0)];
if (employee == null)
throw new NullReferenceException("Employee is null.");
territory.Employees.Add(employee);
}
reader.Close();
#endregion
#region Orders
var orders = new Dictionary<object, Order>();
cmd.CommandText = "Select * from [dbo].[Orders]";
reader = cmd.ExecuteReader(CommandBehavior.KeyInfo);
while (reader.Read())
{
var order = new Order(session);
for (int i = 1; i < reader.FieldCount; i++)
switch (i)
{
case 1:
order.Customer = !reader.IsDBNull(i) ? customers[reader.GetValue(i)] : null;
break;
case 2:
order.Employee = !reader.IsDBNull(i) ? employees[reader.GetValue(i)] : null;
break;
case 6:
order.ShipVia = !reader.IsDBNull(i) ? shippers[reader.GetValue(i)] : null;
break;
default:
order[reader.GetName(i)] = !reader.IsDBNull(i) ? reader.GetValue(i) : null;
break;
}
orders.Add(reader.GetValue(0), order);
}
reader.Close();
#endregion
#region OrderDetail
cmd.CommandText = "Select * from [dbo].[Order Details]";
reader = cmd.ExecuteReader();
while (reader.Read()) {
var order = orders[reader.GetValue(0)];
var product = products[reader.GetValue(1)];
var orderDetails = new OrderDetail(order, product);
for (int i = 2; i < reader.FieldCount; i++)
orderDetails[reader.GetName(i)] = !reader.IsDBNull(i) ? reader.GetValue(i) : null;
}
reader.Close();
#endregion
session.SaveChanges();
tr.Complete();
}
transaction.Commit();
con.Close();
}
