private static void Execution_ExecutionRowDeleted(object sender, MarkThree.Guardian.DataSetMarket.ExecutionRowChangeEvent e)
{
int destinationOrderId = (int)e.Row[ServerMarketData.Execution.DestinationOrderIdColumn,
e.Row.RowState == DataRowState.Deleted ? DataRowVersion.Original : DataRowVersion.Current];
ServerMarketData.DestinationOrderRow destinationOrderRow = ServerMarketData.DestinationOrder.FindByDestinationOrderId(destinationOrderId);
if (destinationOrderRow == null)
{
return;
}
decimal orderQuantity = destinationOrderRow.OrderedQuantity - destinationOrderRow.CanceledQuantity;
decimal executionQuantity = 0.0m;
foreach (ServerMarketData.ExecutionRow executionRow in destinationOrderRow.GetExecutionRows())
{
executionQuantity += executionRow.ExecutionQuantity;
}
if (executionQuantity < orderQuantity && executionQuantity != 0.0m && destinationOrderRow.StatusCode != Status.PartiallyFilled)
{
BusinessRules.businessRuleQueue.Enqueue(new ObjectAction(new ObjectHandler(SetDestinationOrderStatus),
new object[] { destinationOrderId }, null, Status.PartiallyFilled));
}
if (executionQuantity == 0.0m && destinationOrderRow.StatusCode != Status.New)
{
BusinessRules.businessRuleQueue.Enqueue(new ObjectAction(new ObjectHandler(SetDestinationOrderStatus),
new object[] { destinationOrderId }, null, Status.New));
}
}
/// <summary>Archives a DestinationOrder record.</summary>
/// <param name="transaction">Commits or rejects a set of commands as a unit</param>
/// <param name="RowVersion">The version number of this row.</param>
/// <param name="destinationOrderId">The value for the DestinationOrderId column.</param>
/// <param name="archive">true to archive the object, false to unarchive it.</param>
public static void Archive(AdoTransaction adoTransaction, SqlTransaction sqlTransaction, long rowVersion, int destinationOrderId)
{
// Accessor for the DestinationOrder Table.
ServerMarketData.DestinationOrderDataTable destinationOrderTable = ServerMarketData.DestinationOrder;
// Rule #1: Make sure the record exists before updating it.
ServerMarketData.DestinationOrderRow destinationOrderRow = destinationOrderTable.FindByDestinationOrderId(destinationOrderId);
if ((destinationOrderRow == null))
{
throw new Exception(string.Format("The DestinationOrder table does not have an element identified by {0}", destinationOrderId));
}
// Rule #2: Optimistic Concurrency Check
if ((destinationOrderRow.RowVersion != rowVersion))
{
throw new System.Exception("This record is busy. Please try again later.");
}
// Archive the child records.
for (int index = 0; (index < destinationOrderRow.GetExecutionRows().Length); index = (index + 1))
{
ServerMarketData.ExecutionRow childExecutionRow = destinationOrderRow.GetExecutionRows()[index];
Execution.Archive(adoTransaction, sqlTransaction, childExecutionRow.RowVersion, childExecutionRow.ExecutionId);
}
// Increment the row version
rowVersion = ServerMarketData.RowVersion.Increment();
// Delete the record in the ADO database.
destinationOrderRow[destinationOrderTable.RowVersionColumn] = rowVersion;
adoTransaction.DataRows.Add(destinationOrderRow);
destinationOrderRow.Delete();
// Archive the record in the SQL database.
SqlCommand sqlCommand = new SqlCommand("update \"DestinationOrder\" set \"IsArchived\" = 1 where \"DestinationOrderId\"=@destin" +
"ationOrderId");
sqlCommand.Connection = sqlTransaction.Connection;
sqlCommand.Transaction = sqlTransaction;
sqlCommand.Parameters.Add(new SqlParameter("@destinationOrderId", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, destinationOrderId));
sqlCommand.ExecuteNonQuery();
}