/// <summary>Finds a a TaxLot record using a configuration and an external identifier.</summary>
/// <param name="configurationId">Specified which mappings (user id columns) to use when looking up external identifiers.</param>
/// <param name="parameterId">The name of the parameter as specified in the configuration table.</param>
/// <param name="externalId">The external (user supplied) identifier for the record.</param>
public static int FindKey(object configurationId, string parameterId, object externalId)
{
// A missing key will never match a column.
if ((externalId == null))
{
return int.MinValue;
}
// Accessor for the TaxLot Table.
ServerMarketData.TaxLotDataTable taxLotTable = ServerMarketData.TaxLot;
// Look for the record using the external identifier. The configuration selected the key to use, which effectively
// selected the external id column to use for the search. If a record is found in the view, a translation still needs
// to be made back to the original table before an index to the record can be returned to the caller.
int externalKeyIndex = TaxLot.GetExternalKeyIndex(configurationId, parameterId);
System.Data.DataView externalKeyView = TaxLot.externalKeyArray[externalKeyIndex];
int recordIndex = externalKeyView.Find(new object[] {
externalId});
if ((recordIndex == -1))
{
return int.MinValue;
}
return ((int)(externalKeyView[recordIndex].Row[taxLotTable.TaxLotIdColumn]));
}
/// <summary>Loads a TaxLot record using Metadata Parameters.</summary>
/// <param name="transaction">Contains the parameters and exceptions for this command.</param>
public static void Load(ParameterList parameters)
{
// Accessor for the TaxLot Table.
ServerMarketData.TaxLotDataTable taxLotTable = ServerMarketData.TaxLot;
// Extract the parameters from the command batch.
AdoTransaction adoTransaction = parameters["adoTransaction"];
SqlTransaction sqlTransaction = parameters["sqlTransaction"];
object configurationId = parameters["configurationId"].Value;
string externalAccountId = parameters["accountId"];
decimal cost = parameters["cost"];
object externalId0 = parameters["externalId0"].Value;
object externalId1 = parameters["externalId1"].Value;
object externalId2 = parameters["externalId2"].Value;
object externalId3 = parameters["externalId3"].Value;
object localCost = parameters["localCost"].Value;
string externalPositionTypeCode = parameters["positionTypeCode"];
decimal quantity = parameters["quantity"];
string externalSecurityId = parameters["securityId"];
object settlementDate = parameters["settlementDate"].Value;
object externalTaxLotId = parameters["taxLotId"].Value;
object tradeDate = parameters["tradeDate"].Value;
object userData0 = parameters["userData0"].Value;
object userData1 = parameters["userData1"].Value;
object userData2 = parameters["userData2"].Value;
object userData3 = parameters["userData3"].Value;
object userData4 = parameters["userData4"].Value;
object userData5 = parameters["userData5"].Value;
object userData6 = parameters["userData6"].Value;
object userData7 = parameters["userData7"].Value;
// The row versioning is largely disabled for external operations. The value is returned to the caller in the
// event it's needed for operations within the batch.
long rowVersion = long.MinValue;
// Resolve External Identifiers
int accountId = Account.FindRequiredKey(configurationId, "accountId", externalAccountId);
int positionTypeCode = PositionType.FindRequiredKey(configurationId, "positionTypeCode", externalPositionTypeCode);
int securityId = Security.FindRequiredKey(configurationId, "securityId", externalSecurityId);
int taxLotId = TaxLot.FindKey(configurationId, "taxLotId", externalTaxLotId);
// The load operation will create a record if it doesn't exist, or update an existing record. The external
// identifier is used to determine if a record exists with the same key.
if ((taxLotId == int.MinValue))
{
// Populate the 'externalId' varaibles so that the external identifier can be used to find the row when an
// external method is called with the same 'configurationId' parameter.
int externalKeyIndex = TaxLot.GetExternalKeyIndex(configurationId, "taxLotId");
object[] externalIdArray = new object[4];
externalIdArray[externalKeyIndex] = externalTaxLotId;
externalId0 = externalIdArray[0];
externalId1 = externalIdArray[1];
externalId2 = externalIdArray[2];
externalId3 = externalIdArray[3];
// Call the internal method to complete the operation.
MarkThree.Guardian.Core.TaxLot.Insert(adoTransaction, sqlTransaction, ref rowVersion, accountId, cost, externalId0, externalId1, externalId2, externalId3, localCost, positionTypeCode, quantity, securityId, settlementDate, tradeDate, userData0, userData1, userData2, userData3, userData4, userData5, userData6, userData7);
}
else
{
// While the optimistic concurrency checking is disabled for the external methods, the internal methods
// still need to perform the check. This ncurrency checking logic by finding the current row version to be
// will bypass the coused when the internal method is called.
ServerMarketData.TaxLotRow taxLotRow = taxLotTable.FindByTaxLotId(taxLotId);
rowVersion = ((long)(taxLotRow[taxLotTable.RowVersionColumn]));
// Call the internal method to complete the operation.
MarkThree.Guardian.Core.TaxLot.Update(adoTransaction, sqlTransaction, ref rowVersion, accountId, cost, externalId0, externalId1, externalId2, externalId3, localCost, positionTypeCode, quantity, securityId, settlementDate, taxLotId, tradeDate, userData0, userData1, userData2, userData3, userData4, userData5, userData6, userData7);
}
// Return values.
parameters["rowVersion"] = rowVersion;
}