/// <summary>Updates a BlotterMap 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 BlotterMap Table. ServerDataModel.BlotterMapDataTable blotterMapTable = ServerDataModel.BlotterMap; // Extract the parameters from the command batch. AdoTransaction adoTransaction = parameters["adoTransaction"]; SqlTransaction sqlTransaction = parameters["sqlTransaction"]; object configurationId = parameters["configurationId"].Value; string externalBlotterMapId = ((string)(parameters["blotterMapId"])); object externalSecurityId = parameters["securityId"].Value; object externalBlotterId = parameters["blotterId"].Value; object minimumQuantity = parameters["minimumQuantity"].Value; object maximumQuantity = parameters["maximumQuantity"].Value; // The row versioning is largely disabled for external operations. long rowVersion = long.MinValue; // Resolve External Identifiers int blotterMapId = BlotterMap.FindRequiredKey(configurationId, "blotterMapId", externalBlotterMapId); object securityId = Security.FindOptionalKey(configurationId, "securityId", externalSecurityId); object blotterId = Blotter.FindOptionalKey(configurationId, "blotterId", externalBlotterId); // 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. ServerDataModel.BlotterMapRow blotterMapRow = blotterMapTable.FindByBlotterMapId(blotterMapId); rowVersion = ((long)(blotterMapRow[blotterMapTable.RowVersionColumn])); // Call the internal method to complete the operation. MarkThree.Quasar.Core.BlotterMap.Update(adoTransaction, sqlTransaction, ref rowVersion, blotterMapId, securityId, blotterId, minimumQuantity, maximumQuantity, null, null); // Return values. parameters["rowVersion"] = rowVersion; }
/// <summary>Archives a BlotterMap 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="blotterMapId">The value for the BlotterMapId 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 blotterMapId) { // Accessor for the BlotterMap Table. ServerDataModel.BlotterMapDataTable blotterMapTable = ServerDataModel.BlotterMap; // Rule #1: Make sure the record exists before updating it. ServerDataModel.BlotterMapRow blotterMapRow = blotterMapTable.FindByBlotterMapId(blotterMapId); if ((blotterMapRow == null)) { throw new Exception(string.Format("The BlotterMap table does not have an element identified by {0}", blotterMapId)); } // Rule #2: Optimistic Concurrency Check if ((blotterMapRow.RowVersion != rowVersion)) { throw new System.Exception("This record is busy. Please try again later."); } // Archive the child records. // Increment the row version rowVersion = ServerDataModel.RowVersion.Increment(); // Delete the record in the ADO database. blotterMapRow[blotterMapTable.RowVersionColumn] = rowVersion; adoTransaction.DataRows.Add(blotterMapRow); blotterMapRow.Delete(); // Archive the record in the SQL database. SqlCommand sqlCommand = new SqlCommand("update \"BlotterMap\" set \"IsArchived\" = 1 where \"BlotterMapId\"=@blotterMapId"); sqlCommand.Connection = sqlTransaction.Connection; sqlCommand.Transaction = sqlTransaction; sqlCommand.Parameters.Add(new SqlParameter("@blotterMapId", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, blotterMapId)); sqlCommand.ExecuteNonQuery(); }
/// <summary>Inserts a BlotterMap record.</summary> /// <param name="transaction">Commits or rejects a set of commands as a unit</param> /// <param name="securityId">The value for the SecurityId column.</param> /// <param name="blotterId">The value for the BlotterId column.</param> /// <param name="minimumQuantity">The value for the MinimumQuantity column.</param> /// <param name="maximumQuantity">The value for the MaximumQuantity column.</param> /// <param name="externalId0">The value for the ExternalId0 column.</param> /// <param name="externalId1">The value for the ExternalId1 column.</param> public static int Insert(AdoTransaction adoTransaction, SqlTransaction sqlTransaction, ref long rowVersion, int securityId, int blotterId, object minimumQuantity, object maximumQuantity, object externalId0, object externalId1) { // Accessor for the BlotterMap Table. ServerDataModel.BlotterMapDataTable blotterMapTable = ServerDataModel.BlotterMap; // Apply Defaults if ((minimumQuantity == null)) { minimumQuantity = 0.0m; } if ((maximumQuantity == null)) { maximumQuantity = System.DBNull.Value; } if ((externalId0 == null)) { externalId0 = System.DBNull.Value; } if ((externalId1 == null)) { externalId1 = System.DBNull.Value; } // Increment the row version rowVersion = ServerDataModel.RowVersion.Increment(); // Insert the record into the ADO database. ServerDataModel.BlotterMapRow blotterMapRow = blotterMapTable.NewBlotterMapRow(); blotterMapRow[blotterMapTable.RowVersionColumn] = rowVersion; blotterMapRow[blotterMapTable.SecurityIdColumn] = securityId; blotterMapRow[blotterMapTable.BlotterIdColumn] = blotterId; blotterMapRow[blotterMapTable.MinimumQuantityColumn] = minimumQuantity; blotterMapRow[blotterMapTable.MaximumQuantityColumn] = maximumQuantity; blotterMapRow[blotterMapTable.ExternalId0Column] = externalId0; blotterMapRow[blotterMapTable.ExternalId1Column] = externalId1; blotterMapTable.AddBlotterMapRow(blotterMapRow); adoTransaction.DataRows.Add(blotterMapRow); // Insert the record into the SQL database. SqlCommand sqlCommand = new SqlCommand(@"insert ""BlotterMap"" (""rowVersion"",""BlotterMapId"",""SecurityId"",""BlotterId"",""MinimumQuantity"",""MaximumQuantity"",""ExternalId0"",""ExternalId1"") values (@rowVersion,@blotterMapId,@securityId,@blotterId,@minimumQuantity,@maximumQuantity,@externalId0,@externalId1)"); 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("@blotterMapId", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, blotterMapRow[blotterMapTable.BlotterMapIdColumn])); sqlCommand.Parameters.Add(new SqlParameter("@securityId", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, securityId)); sqlCommand.Parameters.Add(new SqlParameter("@blotterId", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, blotterId)); sqlCommand.Parameters.Add(new SqlParameter("@minimumQuantity", SqlDbType.Decimal, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, minimumQuantity)); sqlCommand.Parameters.Add(new SqlParameter("@maximumQuantity", SqlDbType.Decimal, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, maximumQuantity)); 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.ExecuteNonQuery(); // Return Statements return(blotterMapRow.BlotterMapId); }
/// <summary>Initializes the static elements of an Object.</summary> static BlotterMap() { // The table must be locked before the indices can be read into an accelerator array. ServerDataModel.BlotterMapLock.AcquireReaderLock(System.Threading.Timeout.Infinite); // Accessor for the BlotterMap Table. ServerDataModel.BlotterMapDataTable blotterMapTable = ServerDataModel.BlotterMap; // 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. BlotterMap.externalKeyArray = new DataView[] { blotterMapTable.UKBlotterMapExternalId0, blotterMapTable.UKBlotterMapExternalId1}; // The table must be released after the array is constructed. ServerDataModel.BlotterMapLock.ReleaseReaderLock(); }
/// <summary>Loads a BlotterMap 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 BlotterMap Table. ServerDataModel.BlotterMapDataTable blotterMapTable = ServerDataModel.BlotterMap; // Extract the parameters from the command batch. AdoTransaction adoTransaction = parameters["adoTransaction"]; SqlTransaction sqlTransaction = parameters["sqlTransaction"]; object configurationId = parameters["configurationId"].Value; object externalBlotterMapId = parameters["blotterMapId"].Value; string externalSecurityId = parameters["securityId"]; string externalBlotterId = parameters["blotterId"]; object minimumQuantity = parameters["minimumQuantity"].Value; object maximumQuantity = parameters["maximumQuantity"].Value; object externalId0 = parameters["externalId0"].Value; object externalId1 = parameters["externalId1"].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 blotterMapId = BlotterMap.FindKey(configurationId, "blotterMapId", externalBlotterMapId); int securityId = Security.FindRequiredKey(configurationId, "securityId", externalSecurityId); int blotterId = Blotter.FindRequiredKey(configurationId, "blotterId", externalBlotterId); // 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 ((blotterMapId == 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 = BlotterMap.GetExternalKeyIndex(configurationId, "blotterMapId"); object[] externalIdArray = new object[2]; externalIdArray[externalKeyIndex] = externalBlotterMapId; externalId0 = externalIdArray[0]; externalId1 = externalIdArray[1]; // Call the internal method to complete the operation. MarkThree.Quasar.Core.BlotterMap.Insert(adoTransaction, sqlTransaction, ref rowVersion, securityId, blotterId, minimumQuantity, maximumQuantity, externalId0, externalId1); } 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. ServerDataModel.BlotterMapRow blotterMapRow = blotterMapTable.FindByBlotterMapId(blotterMapId); rowVersion = ((long)(blotterMapRow[blotterMapTable.RowVersionColumn])); // Call the internal method to complete the operation. MarkThree.Quasar.Core.BlotterMap.Update(adoTransaction, sqlTransaction, ref rowVersion, blotterMapId, securityId, blotterId, minimumQuantity, maximumQuantity, externalId0, externalId1); } // Return values. parameters["rowVersion"] = rowVersion; }
/// <summary>Finds a a BlotterMap 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 BlotterMap Table. ServerDataModel.BlotterMapDataTable blotterMapTable = ServerDataModel.BlotterMap; // 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 = BlotterMap.GetExternalKeyIndex(configurationId, parameterId); System.Data.DataView externalKeyView = BlotterMap.externalKeyArray[externalKeyIndex]; int recordIndex = externalKeyView.Find(new object[] { externalId}); if ((recordIndex == -1)) { return int.MinValue; } return ((int)(externalKeyView[recordIndex].Row[blotterMapTable.BlotterMapIdColumn])); }
/// <summary>Archives a BlotterMap 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 BlotterMap Table. ServerDataModel.BlotterMapDataTable blotterMapTable = ServerDataModel.BlotterMap; // Extract the parameters from the command batch. AdoTransaction adoTransaction = parameters["adoTransaction"]; SqlTransaction sqlTransaction = parameters["sqlTransaction"]; object configurationId = parameters["configurationId"].Value; string externalBlotterMapId = parameters["blotterMapId"]; // The row versioning is largely disabled for external operations. long rowVersion = long.MinValue; // Find the internal identifier using the primar key elements. // identifier is used to determine if a record exists with the same key. int blotterMapId = BlotterMap.FindRequiredKey(configurationId, "blotterMapId", externalBlotterMapId); // 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. ServerDataModel.BlotterMapRow blotterMapRow = blotterMapTable.FindByBlotterMapId(blotterMapId); rowVersion = ((long)(blotterMapRow[blotterMapTable.RowVersionColumn])); // Call the internal method to complete the operation. MarkThree.Quasar.Core.BlotterMap.Archive(adoTransaction, sqlTransaction, rowVersion, blotterMapId); }
/// <summary>Updates a BlotterMap 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="blotterMapId">The value for the BlotterMapId column.</param> /// <param name="securityId">The value for the SecurityId column.</param> /// <param name="blotterId">The value for the BlotterId column.</param> /// <param name="minimumQuantity">The value for the MinimumQuantity column.</param> /// <param name="maximumQuantity">The value for the MaximumQuantity column.</param> /// <param name="externalId0">The value for the ExternalId0 column.</param> /// <param name="externalId1">The value for the ExternalId1 column.</param> public static void Update(AdoTransaction adoTransaction, SqlTransaction sqlTransaction, ref long rowVersion, int blotterMapId, object securityId, object blotterId, object minimumQuantity, object maximumQuantity, object externalId0, object externalId1) { // Accessor for the BlotterMap Table. ServerDataModel.BlotterMapDataTable blotterMapTable = ServerDataModel.BlotterMap; // Rule #1: Make sure the record exists before updating it. ServerDataModel.BlotterMapRow blotterMapRow = blotterMapTable.FindByBlotterMapId(blotterMapId); if ((blotterMapRow == null)) { throw new Exception(string.Format("The BlotterMap table does not have an element identified by {0}", blotterMapId)); } // Rule #2: Optimistic Concurrency Check if ((blotterMapRow.RowVersion != rowVersion)) { throw new System.Exception("This record is busy. Please try again later."); } // Apply Defaults if ((securityId == null)) { securityId = blotterMapRow[blotterMapTable.SecurityIdColumn]; } if ((blotterId == null)) { blotterId = blotterMapRow[blotterMapTable.BlotterIdColumn]; } if ((minimumQuantity == null)) { minimumQuantity = blotterMapRow[blotterMapTable.MinimumQuantityColumn]; } if ((maximumQuantity == null)) { maximumQuantity = blotterMapRow[blotterMapTable.MaximumQuantityColumn]; } if ((externalId0 == null)) { externalId0 = blotterMapRow[blotterMapTable.ExternalId0Column]; } if ((externalId1 == null)) { externalId1 = blotterMapRow[blotterMapTable.ExternalId1Column]; } // Increment the row version rowVersion = ServerDataModel.RowVersion.Increment(); // Update the record in the ADO database. blotterMapRow[blotterMapTable.RowVersionColumn] = rowVersion; blotterMapRow[blotterMapTable.SecurityIdColumn] = securityId; blotterMapRow[blotterMapTable.BlotterIdColumn] = blotterId; blotterMapRow[blotterMapTable.MinimumQuantityColumn] = minimumQuantity; blotterMapRow[blotterMapTable.MaximumQuantityColumn] = maximumQuantity; blotterMapRow[blotterMapTable.ExternalId0Column] = externalId0; blotterMapRow[blotterMapTable.ExternalId1Column] = externalId1; adoTransaction.DataRows.Add(blotterMapRow); // Update the record in the SQL database. SqlCommand sqlCommand = new SqlCommand("update \"BlotterMap\" set \"RowVersion\"=@rowVersion,\"SecurityId\"=@securityId,\"Blotte" + "rId\"=@blotterId,\"MinimumQuantity\"=@minimumQuantity,\"MaximumQuantity\"=@maximumQua" + "ntity,\"ExternalId0\"=@externalId0,\"ExternalId1\"=@externalId1 where \"BlotterMapId\"" + "=@blotterMapId"); 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("@blotterMapId", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, blotterMapId)); sqlCommand.Parameters.Add(new SqlParameter("@securityId", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, securityId)); sqlCommand.Parameters.Add(new SqlParameter("@blotterId", SqlDbType.Int, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, blotterId)); sqlCommand.Parameters.Add(new SqlParameter("@minimumQuantity", SqlDbType.Decimal, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, minimumQuantity)); sqlCommand.Parameters.Add(new SqlParameter("@maximumQuantity", SqlDbType.Decimal, 0, ParameterDirection.Input, false, 0, 0, null, DataRowVersion.Current, maximumQuantity)); 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)); // Update the record in the SQL database. sqlCommand.ExecuteNonQuery(); }