/// <summary>Finds a a DestinationOrder 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 DestinationOrder Table. ServerMarketData.DestinationOrderDataTable destinationOrderTable = ServerMarketData.DestinationOrder; // 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 = DestinationOrder.GetExternalKeyIndex(configurationId, parameterId); System.Data.DataView externalKeyView = DestinationOrder.externalKeyArray[externalKeyIndex]; int recordIndex = externalKeyView.Find(new object[] { externalId}); if ((recordIndex == -1)) { return int.MinValue; } return ((int)(externalKeyView[recordIndex].Row[destinationOrderTable.DestinationOrderIdColumn])); }
/// <summary>Loads a DestinationOrder 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 DestinationOrder Table. ServerMarketData.DestinationOrderDataTable destinationOrderTable = ServerMarketData.DestinationOrder; // Extract the parameters from the command batch. AdoTransaction adoTransaction = parameters["adoTransaction"]; SqlTransaction sqlTransaction = parameters["sqlTransaction"]; object configurationId = parameters["configurationId"].Value; object canceledQuantity = parameters["canceledQuantity"].Value; object canceledTime = parameters["canceledTime"].Value; System.DateTime createdTime = parameters["createdTime"]; int createdUserId = parameters["createdUserId"]; string externalDestinationId = parameters["destinationId"]; object externalDestinationOrderId = parameters["destinationOrderId"].Value; object externalId0 = parameters["externalId0"].Value; object isCanceledByUser = parameters["isCanceledByUser"].Value; object isHidden = parameters["isHidden"].Value; object limitPrice = parameters["limitPrice"].Value; System.DateTime modifiedTime = parameters["modifiedTime"]; int modifiedUserId = parameters["modifiedUserId"]; int orderTypeCode = parameters["orderTypeCode"]; decimal orderedQuantity = parameters["orderedQuantity"]; string externalPriceTypeCode = parameters["priceTypeCode"]; string externalStateCode = parameters["stateCode"]; string externalStatusCode = parameters["statusCode"]; object stopPrice = parameters["stopPrice"].Value; object externalTraderId = parameters["traderId"].Value; string externalTimeInForceCode = parameters["timeInForceCode"]; string externalWorkingOrderId = parameters["workingOrderId"]; // 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 destinationId = Destination.FindRequiredKey(configurationId, "destinationId", externalDestinationId); int destinationOrderId = DestinationOrder.FindKey(configurationId, "destinationOrderId", externalDestinationOrderId); int priceTypeCode = PriceType.FindRequiredKey(configurationId, "priceTypeCode", externalPriceTypeCode); int stateCode = State.FindRequiredKey(configurationId, "stateCode", externalStateCode); int statusCode = Status.FindRequiredKey(configurationId, "statusCode", externalStatusCode); object traderId = Trader.FindOptionalKey(configurationId, "traderId", externalTraderId); int timeInForceCode = TimeInForce.FindRequiredKey(configurationId, "timeInForceCode", externalTimeInForceCode); int workingOrderId = WorkingOrder.FindRequiredKey(configurationId, "workingOrderId", externalWorkingOrderId); // 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 ((destinationOrderId == 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 = DestinationOrder.GetExternalKeyIndex(configurationId, "destinationOrderId"); object[] externalIdArray = new object[1]; externalIdArray[externalKeyIndex] = externalDestinationOrderId; externalId0 = externalIdArray[0]; // Call the internal method to complete the operation. MarkThree.Guardian.Core.DestinationOrder.Insert(adoTransaction, sqlTransaction, ref rowVersion, canceledQuantity, canceledTime, createdTime, createdUserId, destinationId, externalId0, isCanceledByUser, isHidden, limitPrice, modifiedTime, modifiedUserId, orderTypeCode, orderedQuantity, priceTypeCode, stateCode, statusCode, stopPrice, traderId, timeInForceCode, workingOrderId); } 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.DestinationOrderRow destinationOrderRow = destinationOrderTable.FindByDestinationOrderId(destinationOrderId); rowVersion = ((long)(destinationOrderRow[destinationOrderTable.RowVersionColumn])); // Call the internal method to complete the operation. MarkThree.Guardian.Core.DestinationOrder.Update(adoTransaction, sqlTransaction, ref rowVersion, canceledQuantity, canceledTime, createdTime, createdUserId, destinationId, destinationOrderId, externalId0, isCanceledByUser, isHidden, limitPrice, modifiedTime, modifiedUserId, orderTypeCode, orderedQuantity, priceTypeCode, stateCode, statusCode, stopPrice, traderId, timeInForceCode, workingOrderId); } // Return values. parameters["rowVersion"] = rowVersion; }