/// <summary>
/// Handles the deletion of a SourceOrder row.
/// </summary>
/// <param name="sender">The object that originated the event.</param>
/// <param name="sourceOrderRowChangeEventArgs">The event arguments.</param>
protected virtual void OnSourceOrderRowDeleted(Object sender, DataModel.SourceOrderRowChangeEventArgs sourceOrderRowChangeEventArgs)
{
// Validate the parameters.
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (sourceOrderRowChangeEventArgs == null)
{
throw new ArgumentNullException("sourceOrderRowChangeEventArgs");
}
// We're only interested in deletes that affect the WorkingOrder records in this blotter.
if (sourceOrderRowChangeEventArgs.Action == DataRowAction.Delete)
{
Guid workingOrderId = (Guid)sourceOrderRowChangeEventArgs.Row[DataModel.SourceOrder.WorkingOrderIdColumn, DataRowVersion.Original];
DataModel.WorkingOrderRow workingOrderRow = DataModel.WorkingOrder.WorkingOrderKey.Find(workingOrderId);
if (workingOrderRow != null && this.blotterIdSet.Contains(workingOrderRow.BlotterId))
{
Int32 index = this.BinarySearch(order => order.WorkingOrderId, workingOrderRow.WorkingOrderId);
if (index >= 0)
{
this.UpdateSourceOrderQuantity(this[index], workingOrderRow);
}
}
}
}
/// <summary>
/// Handles a change to a SourceOrder row.
/// </summary>
/// <param name="sender">The Object that originated the event.</param>
/// <param name="sourceOrderRowChangeEventArgs">The event arguments.</param>
protected virtual void OnSourceOrderRowChanged(Object sender, DataModel.SourceOrderRowChangeEventArgs sourceOrderRowChangeEventArgs)
{
// Validate the parameters.
if (sender == null)
{
throw new ArgumentNullException("sender");
}
if (sourceOrderRowChangeEventArgs == null)
{
throw new ArgumentNullException("sourceOrderRowChangeEventArgs");
}
// We're only interested in additions and changes that affect the WorkingOrder records in this blotter.
if (sourceOrderRowChangeEventArgs.Action == DataRowAction.Add || sourceOrderRowChangeEventArgs.Action == DataRowAction.Change)
{
DataModel.WorkingOrderRow workingOrderRow = sourceOrderRowChangeEventArgs.Row.WorkingOrderRow;
if (this.blotterIdSet.Contains(workingOrderRow.BlotterId))
{
Int32 index = this.BinarySearch(order => order.WorkingOrderId, workingOrderRow.WorkingOrderId);
if (index >= 0)
{
this.UpdateSourceOrderQuantity(this[index], workingOrderRow);
}
}
}
}
/// <summary>
/// Handles a change to a SourceOrder row.
/// </summary>
/// <param name="sender">The Object that originated the event.</param>
/// <param name="sourceOrderRowChangeEventArgs">The event arguments.</param>
void OnSourceOrderRowChanged(Object sender, DataModel.SourceOrderRowChangeEventArgs sourceOrderRowChangeEventArgs)
{
// We're only interested in additions and changes that affect the WorkingOrder records in this blotter.
if (sourceOrderRowChangeEventArgs.Action == DataRowAction.Add || sourceOrderRowChangeEventArgs.Action == DataRowAction.Change)
{
// This is designed to filter out all events that don't pertain to this blotter.
DataModel.SourceOrderRow sourceOrderRow = sourceOrderRowChangeEventArgs.Row;
if (this.blotterIdSet.Contains(sourceOrderRow.WorkingOrderRow.BlotterId))
{
// Once the previous order is subtracted and the current order added to the totals we can calculate the percentages of orders completed.
if (sourceOrderRow.HasVersion(DataRowVersion.Original))
{
this.sourceOrderQuantityField -= (Decimal)sourceOrderRow[DataModel.SourceOrder.OrderedQuantityColumn, DataRowVersion.Original];
}
this.SourceOrderQuantity += sourceOrderRow.OrderedQuantity;
this.OrderedPercent = this.SourceOrderQuantity == 0.0m ? 0.0 : Convert.ToDouble(this.DestinationOrderQuantity / this.SourceOrderQuantity);
}
}
}
/// <summary>
/// Handles the deletion of a SourceOrder row.
/// </summary>
/// <param name="sender">The object that originated the event.</param>
/// <param name="sourceOrderRowChangeEventArgs">The event arguments.</param>
void OnSourceOrderRowDeleted(Object sender, DataModel.SourceOrderRowChangeEventArgs sourceOrderRowChangeEventArgs)
{
// We're only interested in deletes that affect the WorkingOrder records in this blotter.
if (sourceOrderRowChangeEventArgs.Action == DataRowAction.Delete)
{
// Filtering requires a little more work with a deleted record. We need to first find the original record and then look up the working order to
// which it belonged. We don't need to check for the existence of the working order as we know that this order was just deleted and, for it to have
// existed in the first place, there must have been a working order.
DataModel.SourceOrderRow sourceOrderRow = sourceOrderRowChangeEventArgs.Row;
Guid workingOrderId = (Guid)sourceOrderRow[DataModel.SourceOrder.WorkingOrderIdColumn, DataRowVersion.Original];
DataModel.WorkingOrderRow workingOrderRow = DataModel.WorkingOrder.WorkingOrderKey.Find(workingOrderId);
if (this.blotterIdSet.Contains(workingOrderRow.BlotterId))
{
// Once the quantity has been removed from the totals, the percent ordered and executed can be updated.
this.SourceOrderQuantity -= (Decimal)sourceOrderRow[DataModel.SourceOrder.OrderedQuantityColumn, DataRowVersion.Original];
this.OrderedPercent = this.SourceOrderQuantity == 0.0m ? 0.0 : Convert.ToDouble(this.DestinationOrderQuantity / this.SourceOrderQuantity);
}
}
}
/// <summary>
/// Validates a change to a Source Order.
/// </summary>
/// <param name="sender">The object that originated the event.</param>
/// <param name="e">The event data.</param>
internal static void OnSourceOrderRowValidate(object sender, DataModel.SourceOrderRowChangeEventArgs e)
{
// Use the map to call the handler for the action. Note that I would rather do nothing than incur conditional logic.
SourceOrderService.sourceOrderHandlerMap[e.Action](e.Row);
}
