/// <summary>
/// Initialize the data used in this application.
/// </summary>
private void InitializeData(object parameter)
{
string title = string.Empty;
string symbol = string.Empty;
string name = string.Empty;
Bitmap logo = null;
decimal leavesQuantity = 0.0m;
decimal minimumQuantity = 0.0m;
NegotiationState negotiationState = NegotiationState.None;
try
{
// Lock the tables.
System.Diagnostics.Debug.Assert(!ClientMarketData.IsLocked);
ClientMarketData.MatchLock.AcquireReaderLock(ClientTimeout.LockWait);
ClientMarketData.NegotiationLock.AcquireReaderLock(ClientTimeout.LockWait);
ClientMarketData.ObjectLock.AcquireReaderLock(ClientTimeout.LockWait);
ClientMarketData.OrderTypeLock.AcquireReaderLock(ClientTimeout.LockWait);
ClientMarketData.SecurityLock.AcquireReaderLock(ClientTimeout.LockWait);
ClientMarketData.WorkingOrderLock.AcquireReaderLock(ClientTimeout.LockWait);
// Find the Match record.
ClientMarketData.MatchRow matchRow = ClientMarketData.Match.FindByMatchId(this.matchId);
ClientMarketData.WorkingOrderRow workingOrderRow = matchRow.WorkingOrderRow;
ClientMarketData.OrderTypeRow orderTypeRow = workingOrderRow.OrderTypeRow;
ClientMarketData.SecurityRow securityRow = workingOrderRow.SecurityRowBySecurityWorkingOrderSecurityId;
symbol = securityRow.Symbol;
name = securityRow.ObjectRow.Name;
minimumQuantity = securityRow.MinimumQuantity;
if (!securityRow.IsLogoNull())
{
MemoryStream memoryStream = new MemoryStream(Convert.FromBase64String(securityRow.Logo));
logo = new Bitmap(memoryStream);
}
title = string.Format("{0} of {1}", orderTypeRow.Description, symbol);
leavesQuantity = workingOrderRow.SubmittedQuantity;
foreach (ClientMarketData.DestinationOrderRow destinationOrderRow in workingOrderRow.GetDestinationOrderRows())
{
foreach (ClientMarketData.ExecutionRow executionRow in destinationOrderRow.GetExecutionRows())
{
leavesQuantity -= executionRow.ExecutionQuantity;
}
}
}
finally
{
// Release the locks.
if (ClientMarketData.MatchLock.IsReaderLockHeld)
{
ClientMarketData.MatchLock.ReleaseReaderLock();
}
if (ClientMarketData.NegotiationLock.IsReaderLockHeld)
{
ClientMarketData.NegotiationLock.ReleaseReaderLock();
}
if (ClientMarketData.ObjectLock.IsReaderLockHeld)
{
ClientMarketData.ObjectLock.ReleaseReaderLock();
}
if (ClientMarketData.OrderTypeLock.IsReaderLockHeld)
{
ClientMarketData.OrderTypeLock.ReleaseReaderLock();
}
if (ClientMarketData.SecurityLock.IsReaderLockHeld)
{
ClientMarketData.SecurityLock.ReleaseReaderLock();
}
if (ClientMarketData.WorkingOrderLock.IsReaderLockHeld)
{
ClientMarketData.WorkingOrderLock.ReleaseReaderLock();
}
System.Diagnostics.Debug.Assert(!ClientMarketData.IsLocked);
}
Invoke(new SetDialogAttributesDelegate(SetDialogAttributes), new object[] { title, symbol, name, logo, leavesQuantity, negotiationState });
}
/// <summary>
/// Notifies the user that a match opportunity exists.
/// </summary>
/// <param name="parameter">The thread initialization parameters.</param>
private void NotifyUser(object parameter)
{
// Extract the thread parameters.
int matchId = (int)parameter;
// The symbol, title and the bitmap for the corporate logo will be retrieved from the data model in the code below.
// They will be used to initialize the pop-up dialog after the locks on the data model have been released.
string symbol = string.Empty;
string title = string.Empty;
Bitmap logo = null;
try
{
// Lock the tables.
System.Diagnostics.Debug.Assert(!ClientMarketData.IsLocked);
ClientMarketData.MatchLock.AcquireReaderLock(ClientTimeout.LockWait);
ClientMarketData.NegotiationLock.AcquireReaderLock(ClientTimeout.LockWait);
ClientMarketData.OrderTypeLock.AcquireReaderLock(ClientTimeout.LockWait);
ClientMarketData.SecurityLock.AcquireReaderLock(ClientTimeout.LockWait);
ClientMarketData.WorkingOrderLock.AcquireReaderLock(ClientTimeout.LockWait);
// The match record, working order, order type and security records are used to construct the title, symbol and
// logo used by the notification window.
ClientMarketData.MatchRow matchRow = ClientMarketData.Match.FindByMatchId(matchId);
ClientMarketData.WorkingOrderRow workingOrderRow = matchRow.WorkingOrderRow;
ClientMarketData.OrderTypeRow orderTypeRow = workingOrderRow.OrderTypeRow;
ClientMarketData.SecurityRow securityRow = workingOrderRow.SecurityRowBySecurityWorkingOrderSecurityId;
// Get the security symbol.
symbol = securityRow.Symbol;
// Create a logo bitmap.
if (!securityRow.IsLogoNull())
{
MemoryStream memoryStream = new MemoryStream(Convert.FromBase64String(securityRow.Logo));
logo = new Bitmap(memoryStream);
}
// Construct the title for the notification window.
title = string.Format("{0} of {1}", orderTypeRow.Description, symbol);
}
finally
{
// Release the locks.
if (ClientMarketData.MatchLock.IsReaderLockHeld)
{
ClientMarketData.MatchLock.ReleaseReaderLock();
}
if (ClientMarketData.NegotiationLock.IsReaderLockHeld)
{
ClientMarketData.NegotiationLock.ReleaseReaderLock();
}
if (ClientMarketData.OrderTypeLock.IsReaderLockHeld)
{
ClientMarketData.OrderTypeLock.ReleaseReaderLock();
}
if (ClientMarketData.SecurityLock.IsReaderLockHeld)
{
ClientMarketData.SecurityLock.ReleaseReaderLock();
}
if (ClientMarketData.WorkingOrderLock.IsReaderLockHeld)
{
ClientMarketData.WorkingOrderLock.ReleaseReaderLock();
}
System.Diagnostics.Debug.Assert(!ClientMarketData.IsLocked);
}
// The notification window looks and acts like the Microsoft Instant Messaging window. It will pop up in the lower
// right hand corner of the screen with a title, the corporate logo and a chance to either accept or decline the
// opportunity for a match.
NotificationWindow notificationWindow = new NotificationWindow();
notificationWindow.MatchId = matchId;
notificationWindow.Symbol = symbol;
notificationWindow.Message = title;
notificationWindow.CompanyLogo = logo;
notificationWindow.Accept += new MatchEventHandler(AcceptNegotiation);
notificationWindow.Decline += new MatchEventHandler(DeclineNegotiation);
notificationWindow.ChangeOptions += new EventHandler(ChangeOptions);
notificationWindow.Show();
}