/// <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; }