/// <summary>Loads a Status 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 Status Table. ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status; // Extract the parameters from the command batch. AdoTransaction adoTransaction = parameters["adoTransaction"]; SqlTransaction sqlTransaction = parameters["sqlTransaction"]; object configurationId = parameters["configurationId"].Value; 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"]; int statusCode = parameters["statusCode"]; // The row versioning is largely disabled for external operations. long rowVersion = long.MinValue; // Find the record using the unique identifier. If it doesn't exist, it will be inserted, if it does exist, // it will be updated. ServerMarketData.StatusRow statusRow = statusTable.FindByStatusCode(statusCode); if ((statusRow == null)) { // Call the internal 'Insert' method to complete the operation. MarkThree.Guardian.Core.Status.Insert(adoTransaction, sqlTransaction, ref rowVersion, description, externalId0, externalId1, externalId2, externalId3, mnemonic, statusCode); } else { // This will bypass the optimistic concurrency checking required by the internal method. rowVersion = ((long)(statusRow[statusTable.RowVersionColumn])); // Call the internal 'Update' method to complete the operation. MarkThree.Guardian.Core.Status.Update(adoTransaction, sqlTransaction, ref rowVersion, description, externalId0, externalId1, externalId2, externalId3, mnemonic, statusCode); } // Return values parameters["rowVersion"] = rowVersion; }
/// <summary>Archives a Status 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="statusCode">The value for the StatusCode 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 statusCode) { // Accessor for the Status Table. ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status; // Rule #1: Make sure the record exists before updating it. ServerMarketData.StatusRow statusRow = statusTable.FindByStatusCode(statusCode); if ((statusRow == null)) { throw new Exception(string.Format("The Status table does not have an element identified by {0}", statusCode)); } // Rule #2: Optimistic Concurrency Check if ((statusRow.RowVersion != rowVersion)) { throw new System.Exception("This record is busy. Please try again later."); } // Archive the child records. for (int index = 0; (index < statusRow.GetDestinationOrderRows().Length); index = (index + 1)) { ServerMarketData.DestinationOrderRow childDestinationOrderRow = statusRow.GetDestinationOrderRows()[index]; DestinationOrder.Archive(adoTransaction, sqlTransaction, childDestinationOrderRow.RowVersion, childDestinationOrderRow.DestinationOrderId); } for (int index = 0; (index < statusRow.GetMatchRows().Length); index = (index + 1)) { ServerMarketData.MatchRow childMatchRow = statusRow.GetMatchRows()[index]; Match.Archive(adoTransaction, sqlTransaction, childMatchRow.RowVersion, childMatchRow.MatchId); } for (int index = 0; (index < statusRow.GetNegotiationRows().Length); index = (index + 1)) { ServerMarketData.NegotiationRow childNegotiationRow = statusRow.GetNegotiationRows()[index]; Negotiation.Archive(adoTransaction, sqlTransaction, childNegotiationRow.RowVersion, childNegotiationRow.NegotiationId); } for (int index = 0; (index < statusRow.GetSourceOrderRows().Length); index = (index + 1)) { ServerMarketData.SourceOrderRow childSourceOrderRow = statusRow.GetSourceOrderRows()[index]; SourceOrder.Archive(adoTransaction, sqlTransaction, childSourceOrderRow.RowVersion, childSourceOrderRow.SourceOrderId); } for (int index = 0; (index < statusRow.GetWorkingOrderRows().Length); index = (index + 1)) { ServerMarketData.WorkingOrderRow childWorkingOrderRow = statusRow.GetWorkingOrderRows()[index]; WorkingOrder.Archive(adoTransaction, sqlTransaction, childWorkingOrderRow.RowVersion, childWorkingOrderRow.WorkingOrderId); } // Increment the row version rowVersion = ServerMarketData.RowVersion.Increment(); // Delete the record in the ADO database. statusRow[statusTable.RowVersionColumn] = rowVersion; adoTransaction.DataRows.Add(statusRow); statusRow.Delete(); // Archive the record in the SQL database. SqlCommand sqlCommand = new SqlCommand("update \"Status\" set \"IsArchived\" = 1 where \"StatusCode\"=@statusCode"); sqlCommand.Connection = sqlTransaction.Connection; sqlCommand.Transaction = sqlTransaction; sqlCommand.Parameters.Add(new SqlParameter("@statusCode", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, statusCode)); sqlCommand.ExecuteNonQuery(); }
/// <summary>Inserts a Status record.</summary> /// <param name="transaction">Commits or rejects a set of commands as a unit</param> /// <param name="description">The value for the Description column.</param> /// <param name="externalId0">The value for the ExternalId0 column.</param> /// <param name="externalId1">The value for the ExternalId1 column.</param> /// <param name="externalId2">The value for the ExternalId2 column.</param> /// <param name="externalId3">The value for the ExternalId3 column.</param> /// <param name="mnemonic">The value for the Mnemonic column.</param> /// <param name="statusCode">The value for the StatusCode column.</param> public static void Insert(AdoTransaction adoTransaction, SqlTransaction sqlTransaction, ref long rowVersion, string description, object externalId0, object externalId1, object externalId2, object externalId3, string mnemonic, int statusCode) { // Accessor for the Status Table. ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status; // Apply Defaults if ((externalId0 == null)) { externalId0 = System.DBNull.Value; } if ((externalId1 == null)) { externalId1 = System.DBNull.Value; } if ((externalId2 == null)) { externalId2 = System.DBNull.Value; } if ((externalId3 == null)) { externalId3 = System.DBNull.Value; } // Increment the row version rowVersion = ServerMarketData.RowVersion.Increment(); // Insert the record into the ADO database. ServerMarketData.StatusRow statusRow = statusTable.NewStatusRow(); statusRow[statusTable.RowVersionColumn] = rowVersion; statusRow[statusTable.DescriptionColumn] = description; statusRow[statusTable.ExternalId0Column] = externalId0; statusRow[statusTable.ExternalId1Column] = externalId1; statusRow[statusTable.ExternalId2Column] = externalId2; statusRow[statusTable.ExternalId3Column] = externalId3; statusRow[statusTable.MnemonicColumn] = mnemonic; statusRow[statusTable.StatusCodeColumn] = statusCode; statusTable.AddStatusRow(statusRow); adoTransaction.DataRows.Add(statusRow); // Insert the record into the SQL database. SqlCommand sqlCommand = new SqlCommand("insert \"Status\" (\"rowVersion\",\"Description\",\"ExternalId0\",\"ExternalId1\",\"External" + "Id2\",\"ExternalId3\",\"Mnemonic\",\"StatusCode\") values (@rowVersion,@description,@ex" + "ternalId0,@externalId1,@externalId2,@externalId3,@mnemonic,@statusCode)"); sqlCommand.Connection = sqlTransaction.Connection; sqlCommand.Transaction = sqlTransaction; sqlCommand.Parameters.Add(new SqlParameter("@rowVersion", SqlDbType.BigInt, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, rowVersion)); sqlCommand.Parameters.Add(new SqlParameter("@description", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, description)); sqlCommand.Parameters.Add(new SqlParameter("@externalId0", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId0)); sqlCommand.Parameters.Add(new SqlParameter("@externalId1", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId1)); sqlCommand.Parameters.Add(new SqlParameter("@externalId2", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId2)); sqlCommand.Parameters.Add(new SqlParameter("@externalId3", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId3)); sqlCommand.Parameters.Add(new SqlParameter("@mnemonic", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, mnemonic)); sqlCommand.Parameters.Add(new SqlParameter("@statusCode", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, statusCode)); sqlCommand.ExecuteNonQuery(); }
/// <summary>Initializes the static elements of an Object.</summary> static Status() { // The table must be locked before the indices can be read into an accelerator array. ServerMarketData.StatusLock.AcquireReaderLock(System.Threading.Timeout.Infinite); // Accessor for the Status Table. ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status; // This does an indirect lookup operation using the views created for the ExternalId columns. Take the index of the user // identifier column calcualted above and use it to find a record containing the external identifier. Status.externalKeyArray = new DataView[] { statusTable.KeyStatusExternalId0, statusTable.KeyStatusExternalId1, statusTable.KeyStatusExternalId2, statusTable.KeyStatusExternalId3}; // The table must be released after the array is constructed. ServerMarketData.StatusLock.ReleaseReaderLock(); }
/// <summary>Archives a Status record using Metadata Parameters.</summary> /// <param name="transaction">Contains the parameters and exceptions for this command.</param> public static void Archive(ParameterList parameters) { // Accessor for the Status Table. ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status; // Extract the parameters from the command batch. AdoTransaction adoTransaction = parameters["adoTransaction"]; SqlTransaction sqlTransaction = parameters["sqlTransaction"]; object configurationId = parameters["configurationId"].Value; int statusCode = parameters["statusCode"]; // The row versioning is largely disabled for external operations. long rowVersion = long.MinValue; // 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.StatusRow statusRow = statusTable.FindByStatusCode(statusCode); rowVersion = ((long)(statusRow[statusTable.RowVersionColumn])); // Call the internal method to complete the operation. MarkThree.Guardian.Core.Status.Archive(adoTransaction, sqlTransaction, rowVersion, statusCode); }
/// <summary>Finds a a Status 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 Status Table. ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status; // 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 = Status.GetExternalKeyIndex(configurationId, parameterId); System.Data.DataView externalKeyView = Status.externalKeyArray[externalKeyIndex]; int recordIndex = externalKeyView.Find(new object[] { externalId}); if ((recordIndex == -1)) { return int.MinValue; } return ((int)(externalKeyView[recordIndex].Row[statusTable.StatusCodeColumn])); }
/// <summary>Updates a Status record using Metadata Parameters.</summary> /// <param name="transaction">Contains the parameters and exceptions for this command.</param> public static void Update(ParameterList parameters) { // Accessor for the Status Table. ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status; // Extract the parameters from the command batch. AdoTransaction adoTransaction = parameters["adoTransaction"]; SqlTransaction sqlTransaction = parameters["sqlTransaction"]; object configurationId = parameters["configurationId"].Value; object description = parameters["description"].Value; object mnemonic = parameters["mnemonic"].Value; string externalStatusCode = parameters["statusCode"]; // The row versioning is largely disabled for external operations. long rowVersion = long.MinValue; // Resolve External Identifiers int statusCode = Status.FindRequiredKey(configurationId, "statusCode", externalStatusCode); // This will bypass the internal optimistic concurrency checking by providing the current rowVersion to the // internal method. ServerMarketData.StatusRow statusRow = statusTable.FindByStatusCode(statusCode); rowVersion = ((long)(statusRow[statusTable.RowVersionColumn])); // Call the internal method to complete the operation. MarkThree.Guardian.Core.Status.Update(adoTransaction, sqlTransaction, ref rowVersion, description, null, null, null, null, mnemonic, statusCode); // Return values. parameters["rowVersion"] = rowVersion; }
/// <summary>Updates a Status record.</summary> /// <param name="transaction">Commits or rejects a set of commands as a unit</param> /// <param name="rowVersion">The version number of the row</param> /// <param name="description">The value for the Description column.</param> /// <param name="externalId0">The value for the ExternalId0 column.</param> /// <param name="externalId1">The value for the ExternalId1 column.</param> /// <param name="externalId2">The value for the ExternalId2 column.</param> /// <param name="externalId3">The value for the ExternalId3 column.</param> /// <param name="mnemonic">The value for the Mnemonic column.</param> /// <param name="statusCode">The value for the StatusCode column.</param> public static void Update(AdoTransaction adoTransaction, SqlTransaction sqlTransaction, ref long rowVersion, object description, object externalId0, object externalId1, object externalId2, object externalId3, object mnemonic, int statusCode) { // Accessor for the Status Table. ServerMarketData.StatusDataTable statusTable = ServerMarketData.Status; // Rule #1: Make sure the record exists before updating it. ServerMarketData.StatusRow statusRow = statusTable.FindByStatusCode(statusCode); if ((statusRow == null)) { throw new Exception(string.Format("The Status table does not have an element identified by {0}", statusCode)); } // Rule #2: Optimistic Concurrency Check if ((statusRow.RowVersion != rowVersion)) { throw new System.Exception("This record is busy. Please try again later."); } // Apply Defaults if ((description == null)) { description = statusRow[statusTable.DescriptionColumn]; } if ((externalId0 == null)) { externalId0 = statusRow[statusTable.ExternalId0Column]; } if ((externalId1 == null)) { externalId1 = statusRow[statusTable.ExternalId1Column]; } if ((externalId2 == null)) { externalId2 = statusRow[statusTable.ExternalId2Column]; } if ((externalId3 == null)) { externalId3 = statusRow[statusTable.ExternalId3Column]; } if ((mnemonic == null)) { mnemonic = statusRow[statusTable.MnemonicColumn]; } // Increment the row version rowVersion = ServerMarketData.RowVersion.Increment(); // Update the record in the ADO database. statusRow[statusTable.RowVersionColumn] = rowVersion; statusRow[statusTable.DescriptionColumn] = description; statusRow[statusTable.ExternalId0Column] = externalId0; statusRow[statusTable.ExternalId1Column] = externalId1; statusRow[statusTable.ExternalId2Column] = externalId2; statusRow[statusTable.ExternalId3Column] = externalId3; statusRow[statusTable.MnemonicColumn] = mnemonic; adoTransaction.DataRows.Add(statusRow); // Update the record in the SQL database. SqlCommand sqlCommand = new SqlCommand("update \"Status\" set \"RowVersion\"=@rowVersion,\"Description\"=@description,\"External" + "Id0\"=@externalId0,\"ExternalId1\"=@externalId1,\"ExternalId2\"=@externalId2,\"Externa" + "lId3\"=@externalId3,\"Mnemonic\"=@mnemonic where \"StatusCode\"=@statusCode"); sqlCommand.Connection = sqlTransaction.Connection; sqlCommand.Transaction = sqlTransaction; sqlCommand.Parameters.Add(new SqlParameter("@rowVersion", SqlDbType.BigInt, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, rowVersion)); sqlCommand.Parameters.Add(new SqlParameter("@description", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, description)); sqlCommand.Parameters.Add(new SqlParameter("@externalId0", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId0)); sqlCommand.Parameters.Add(new SqlParameter("@externalId1", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId1)); sqlCommand.Parameters.Add(new SqlParameter("@externalId2", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId2)); sqlCommand.Parameters.Add(new SqlParameter("@externalId3", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, externalId3)); sqlCommand.Parameters.Add(new SqlParameter("@mnemonic", SqlDbType.NVarChar, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, mnemonic)); sqlCommand.Parameters.Add(new SqlParameter("@statusCode", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, statusCode)); // Update the record in the SQL database. sqlCommand.ExecuteNonQuery(); }