public void Step_04_Update()
{
Console.WriteLine("4. Updating the lineItem.");
Stopwatch watch = Stopwatch.StartNew();
LineItem lineItem = LineItem.GetByOrderId(LineItemOrderID);
var quantity = lineItem.Quantity;
var unitPrice = lineItem.UnitPrice;
lineItem.Quantity = TestUtility.Instance.RandomNumber(int.MinValue, int.MaxValue);
lineItem.UnitPrice = TestUtility.Instance.RandomNumber(0, 500);
Assert.IsTrue(lineItem.IsValid, lineItem.BrokenRulesCollection.ToString());
lineItem = lineItem.Save();
Assert.IsFalse(lineItem.Quantity == quantity);
Assert.IsFalse(lineItem.UnitPrice == unitPrice);
lineItem.Quantity = quantity;
lineItem.UnitPrice = unitPrice;
Assert.IsTrue(lineItem.IsValid, lineItem.BrokenRulesCollection.ToString());
lineItem = lineItem.Save();
Assert.IsTrue(lineItem.Quantity == quantity);
Assert.IsTrue(lineItem.UnitPrice == unitPrice);
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
public void Step_08_Concurrency_Duplicate_Update()
{
Console.WriteLine("8. Updating the lineItem.");
Stopwatch watch = Stopwatch.StartNew();
LineItem lineItem = LineItem.GetByOrderId(LineItemOrderID);
LineItem lineItem2 = LineItem.GetByOrderId(LineItemOrderID);
var quantity = lineItem.Quantity;
var unitPrice = lineItem.UnitPrice;
lineItem.Quantity = TestUtility.Instance.RandomNumber(int.MinValue, int.MaxValue);
lineItem.UnitPrice = TestUtility.Instance.RandomNumber(0, 500);
Assert.IsTrue(lineItem.IsValid, lineItem.BrokenRulesCollection.ToString());
lineItem = lineItem.Save();
lineItem2.Quantity = TestUtility.Instance.RandomNumber(int.MinValue, int.MaxValue);
lineItem2.UnitPrice = TestUtility.Instance.RandomNumber(0, 500);
try
{
lineItem2 = lineItem2.Save();
Assert.Fail("Concurrency exception should have been thrown.");
}
catch (Exception)
{
Assert.IsTrue(true);
}
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
public void Step_06_UpdatePrimaryKey()
{
Console.WriteLine("6. Updating the non Identity Primary Key.");
Stopwatch watch = Stopwatch.StartNew();
Console.WriteLine("\tGetting lineItem \"{0}\"", LineItemOrderID);
LineItem lineItem = LineItem.GetByOrderId(LineItemOrderID);
lineItem.OrderId = LineItemOrderID2;
lineItem = lineItem.Save();
Console.WriteLine("\tSet lineItemID to \"{0}\"", LineItemOrderID2);
Assert.IsTrue(lineItem.OrderId == LineItemOrderID2);
try
{
LineItem.GetByOrderId(LineItemOrderID);
Assert.Fail("Record exists when it should have been updated.");
}
catch (Exception)
{
Assert.IsTrue(true);
}
LineItem validLineItem = LineItem.GetByOrderId(LineItemOrderID2);
Assert.IsTrue(validLineItem.OrderId == LineItemOrderID2);
Console.WriteLine("\tPrimaryKey has been updated.");
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
public void Step_01_Insert_Duplicate()
{
Console.WriteLine("1. Testing Duplicate Records.");
Stopwatch watch = Stopwatch.StartNew();
//Insert should fail as there should be a duplicate key.
LineItem lineItem = LineItem.NewLineItem();
lineItem.OrderId = LineItemOrderID;
lineItem.LineNum = TestUtility.Instance.RandomNumber();
lineItem.ItemId = TestUtility.Instance.RandomString(10, false);
lineItem.Quantity = TestUtility.Instance.RandomNumber(int.MinValue, int.MaxValue);
lineItem.UnitPrice = TestUtility.Instance.RandomNumber(0, 500);
try
{
Assert.IsTrue(lineItem.IsValid, lineItem.BrokenRulesCollection.ToString());
lineItem = lineItem.Save();
// Fail as a duplicate record was entered.
Assert.Fail("Fail as a duplicate record was entered and an exception was not thrown.");
}
catch (Exception)
{
Assert.IsTrue(true);
}
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
public void Step_05_Delete()
{
Console.WriteLine("5. Deleting the lineItem.");
Stopwatch watch = Stopwatch.StartNew();
LineItem lineItem = LineItem.GetByOrderId(LineItemOrderID);
lineItem.Delete();
Assert.IsTrue(lineItem.IsValid, lineItem.BrokenRulesCollection.ToString());
lineItem = lineItem.Save();
Assert.IsTrue(lineItem.IsNew);
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
private void CreateLineItem(int orderID, int lineNum)
{
LineItem lineItem = LineItem.NewLineItem();
lineItem.OrderId = orderID;
lineItem.LineNum = lineNum;
lineItem.ItemId = TestUtility.Instance.RandomString(10, false);
lineItem.Quantity = TestUtility.Instance.RandomNumber(int.MinValue, int.MaxValue);
lineItem.UnitPrice = TestUtility.Instance.RandomNumber(0, 500);
Assert.IsTrue(lineItem.IsValid, lineItem.BrokenRulesCollection.ToString());
lineItem = lineItem.Save();
Assert.IsTrue(lineItem.OrderId == orderID);
}
public void Step_02_Insert()
{
Console.WriteLine("2. Inserting new lineItem.");
Stopwatch watch = Stopwatch.StartNew();
LineItem lineItem = LineItem.NewLineItem();
lineItem.OrderId = LineItemOrderID;
lineItem.LineNum = TestUtility.Instance.RandomNumber();
lineItem.ItemId = TestUtility.Instance.RandomString(10, false);
lineItem.Quantity = TestUtility.Instance.RandomNumber(int.MinValue, int.MaxValue);
lineItem.UnitPrice = TestUtility.Instance.RandomNumber(0, 500);
Assert.IsTrue(lineItem.IsValid, lineItem.BrokenRulesCollection.ToString());
lineItem = lineItem.Save();
Assert.IsTrue(true);
Console.WriteLine("Time: {0} ms", watch.ElapsedMilliseconds);
}
protected override void DataPortal_Update()
{
bool cancel = false;
OnUpdating(ref cancel);
if (cancel)
{
return;
}
if (OriginalOrderId != OrderId || OriginalLineNum != LineNum)
{
// Insert new child.
LineItem item = new LineItem {
OrderId = OrderId, LineNum = LineNum, ItemId = ItemId, Quantity = Quantity, UnitPrice = UnitPrice
};
item = item.Save();
// Mark editable child lists as dirty. This code may need to be updated to one-to-one relationships.
// Create a new connection.
using (var connection = new SqlConnection(ADOHelper.ConnectionString))
{
connection.Open();
FieldManager.UpdateChildren(this, connection);
}
// Delete the old.
var criteria = new LineItemCriteria {
OrderId = OriginalOrderId, LineNum = OriginalLineNum
};
DataPortal_Delete(criteria);
// Mark the original as the new one.
OriginalOrderId = OrderId;
OriginalLineNum = LineNum;
OnUpdated();
return;
}
const string commandText = "UPDATE [dbo].[LineItem] SET [OrderId] = @p_OrderId, [LineNum] = @p_LineNum, [ItemId] = @p_ItemId, [Quantity] = @p_Quantity, [UnitPrice] = @p_UnitPrice WHERE [OrderId] = @p_OriginalOrderId AND [LineNum] = @p_OriginalLineNum; SELECT [OrderId], [LineNum] FROM [dbo].[LineItem] WHERE [OrderId] = @p_OriginalOrderId AND [LineNum] = @p_OriginalLineNum";
using (var connection = new SqlConnection(ADOHelper.ConnectionString))
{
connection.Open();
using (var command = new SqlCommand(commandText, connection))
{
command.Parameters.AddWithValue("@p_OriginalOrderId", this.OriginalOrderId);
command.Parameters.AddWithValue("@p_OrderId", this.OrderId);
command.Parameters.AddWithValue("@p_OriginalLineNum", this.OriginalLineNum);
command.Parameters.AddWithValue("@p_LineNum", this.LineNum);
command.Parameters.AddWithValue("@p_ItemId", this.ItemId);
command.Parameters.AddWithValue("@p_Quantity", this.Quantity);
command.Parameters.AddWithValue("@p_UnitPrice", this.UnitPrice);
//result: The number of rows changed, inserted, or deleted. -1 for select statements; 0 if no rows were affected, or the statement failed.
int result = command.ExecuteNonQuery();
if (result == 0)
{
throw new DBConcurrencyException("The entity is out of date on the client. Please update the entity and try again. This could also be thrown if the sql statement failed to execute.");
}
LoadProperty(_originalOrderIdProperty, this.OrderId);
LoadProperty(_originalLineNumProperty, this.LineNum);
}
FieldManager.UpdateChildren(this, connection);
}
OnUpdated();
}
protected override void DataPortal_Update()
{
bool cancel = false;
OnUpdating(ref cancel);
if (cancel) return;
if(OriginalOrderId != OrderId || OriginalLineNum != LineNum)
{
// Insert new child.
LineItem item = new LineItem {OrderId = OrderId, LineNum = LineNum, ItemId = ItemId, Quantity = Quantity, UnitPrice = UnitPrice};
item = item.Save();
// Mark editable child lists as dirty. This code may need to be updated to one-to-one relationships.
// Create a new connection.
using (var connection = new SqlConnection(ADOHelper.ConnectionString))
{
connection.Open();
FieldManager.UpdateChildren(this, connection);
}
// Delete the old.
var criteria = new LineItemCriteria {OrderId = OriginalOrderId, LineNum = OriginalLineNum};
DataPortal_Delete(criteria);
// Mark the original as the new one.
OriginalOrderId = OrderId;
OriginalLineNum = LineNum;
OnUpdated();
return;
}
const string commandText = "UPDATE [dbo].[LineItem] SET [OrderId] = @p_OrderId, [LineNum] = @p_LineNum, [ItemId] = @p_ItemId, [Quantity] = @p_Quantity, [UnitPrice] = @p_UnitPrice WHERE [OrderId] = @p_OriginalOrderId AND [LineNum] = @p_OriginalLineNum; SELECT [OrderId], [LineNum] FROM [dbo].[LineItem] WHERE [OrderId] = @p_OriginalOrderId AND [LineNum] = @p_OriginalLineNum";
using (var connection = new SqlConnection(ADOHelper.ConnectionString))
{
connection.Open();
using(var command = new SqlCommand(commandText, connection))
{
command.Parameters.AddWithValue("@p_OriginalOrderId", this.OriginalOrderId);
command.Parameters.AddWithValue("@p_OrderId", this.OrderId);
command.Parameters.AddWithValue("@p_OriginalLineNum", this.OriginalLineNum);
command.Parameters.AddWithValue("@p_LineNum", this.LineNum);
command.Parameters.AddWithValue("@p_ItemId", this.ItemId);
command.Parameters.AddWithValue("@p_Quantity", this.Quantity);
command.Parameters.AddWithValue("@p_UnitPrice", this.UnitPrice);
//result: The number of rows changed, inserted, or deleted. -1 for select statements; 0 if no rows were affected, or the statement failed.
int result = command.ExecuteNonQuery();
if (result == 0)
throw new DBConcurrencyException("The entity is out of date on the client. Please update the entity and try again. This could also be thrown if the sql statement failed to execute.");
LoadProperty(_originalOrderIdProperty, this.OrderId);
LoadProperty(_originalLineNumProperty, this.LineNum);
}
FieldManager.UpdateChildren(this, connection);
}
OnUpdated();
}
