/// <summary>Finds a a BrokerAccount 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="externalId">The external identifier for the record.</param> public static int FindRequiredKey(object configurationId, string parameterId, string externalId) { // Look up the internal identifier using the configuration to select the ExternalId column and the external identifier to identify the record int internalId = BrokerAccount.FindKey(configurationId, parameterId, externalId); if ((internalId == int.MinValue)) { throw new Exception(string.Format("The BrokerAccount table does not have a record identified by \'{0}\'", externalId)); } // Return the internal identifier. return internalId; }
/// <summary>Loads a BrokerAccount 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 BrokerAccount Table. ServerMarketData.BrokerAccountDataTable brokerAccountTable = ServerMarketData.BrokerAccount; // Extract the parameters from the command batch. AdoTransaction adoTransaction = parameters["adoTransaction"]; SqlTransaction sqlTransaction = parameters["sqlTransaction"]; object configurationId = parameters["configurationId"].Value; object externalBrokerAccountId = parameters["brokerAccountId"].Value; string externalBrokerId = parameters["brokerId"]; string description = parameters["description"]; object externalId0 = parameters["externalId0"].Value; object externalId1 = parameters["externalId1"].Value; object externalId2 = parameters["externalId2"].Value; object externalId3 = parameters["externalId3"].Value; string mnemonic = parameters["mnemonic"]; string externalTraderId = parameters["traderId"]; // 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 brokerAccountId = BrokerAccount.FindKey(configurationId, "brokerAccountId", externalBrokerAccountId); int brokerId = Broker.FindRequiredKey(configurationId, "brokerId", externalBrokerId); int traderId = Trader.FindRequiredKey(configurationId, "traderId", externalTraderId); // 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 ((brokerAccountId == 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 = BrokerAccount.GetExternalKeyIndex(configurationId, "brokerAccountId"); object[] externalIdArray = new object[4]; externalIdArray[externalKeyIndex] = externalBrokerAccountId; externalId0 = externalIdArray[0]; externalId1 = externalIdArray[1]; externalId2 = externalIdArray[2]; externalId3 = externalIdArray[3]; // Call the internal method to complete the operation. MarkThree.Guardian.Core.BrokerAccount.Insert(adoTransaction, sqlTransaction, ref rowVersion, brokerId, description, externalId0, externalId1, externalId2, externalId3, mnemonic, traderId); } 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.BrokerAccountRow brokerAccountRow = brokerAccountTable.FindByBrokerAccountId(brokerAccountId); rowVersion = ((long)(brokerAccountRow[brokerAccountTable.RowVersionColumn])); // Call the internal method to complete the operation. MarkThree.Guardian.Core.BrokerAccount.Update(adoTransaction, sqlTransaction, ref rowVersion, brokerAccountId, brokerId, description, externalId0, externalId1, externalId2, externalId3, mnemonic, traderId); } // Return values. parameters["rowVersion"] = rowVersion; }
/// <summary>Finds a a BrokerAccount 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="externalId">The external (user supplied) identifier for the record.</param> public static object FindOptionalKey(object configurationId, string parameterId, object externalId) { // Look up the internal identifier using the the configuration to specify which ExternalId column to use as an index. object internalId = null; if ((externalId != null)) { internalId = BrokerAccount.FindKey(configurationId, parameterId, ((string)(externalId))); if ((((int)(internalId)) == int.MinValue)) { throw new Exception(string.Format("The BrokerAccount table does not have a record identified by \'{0}\'", externalId)); } } // Return the internal identifier. return internalId; }