internal static void Generate( DBConnection cn, TextWriter writer, string baseNamespace, Database database, EnterpriseWebLibrary.Configuration.SystemDevelopment.Database configuration) { if (configuration.queries == null) { return; } info = cn.DatabaseInfo; writer.WriteLine("namespace " + baseNamespace + "." + database.SecondaryDatabaseName + "Retrieval {"); foreach (var query in configuration.queries) { List <Column> columns; try { columns = validateQueryAndGetColumns(cn, query); } catch (Exception e) { throw new UserCorrectableException("Column retrieval failed for the " + query.name + " query.", e); } CodeGenerationStatics.AddSummaryDocComment(writer, "This object holds the values returned from a " + query.name + " query."); var className = "{0}Retrieval".FormatWith(query.name); writer.WriteLine("public static partial class " + className + " {"); // Write nested classes. DataAccessStatics.WriteRowClasses(writer, columns, localWriter => {}, localWriter => {}); writeCacheClass(writer, database, query); writer.WriteLine("private const string selectFromClause = @\"" + query.selectFromClause + " \";"); foreach (var postSelectFromClause in query.postSelectFromClauses) { writeQueryMethod(writer, database, query, postSelectFromClause); } writer.WriteLine("static partial void updateSingleRowCaches( Row row );"); DataAccessStatics.WriteRevisionDeltaExtensionMethods(writer, className, columns.Where(i => !i.IsRowVersion)); writer.WriteLine("}"); // class } writer.WriteLine("}"); // namespace }
internal static void Generate( DBConnection cn, TextWriter writer, string namespaceDeclaration, Database database, IEnumerable <string> tableNames, Configuration.SystemDevelopment.Database configuration) { writer.WriteLine(namespaceDeclaration); foreach (var table in tableNames) { CodeGenerationStatics.AddSummaryDocComment(writer, "Contains logic that retrieves rows from the " + table + " table."); writer.WriteLine("public static partial class " + GetClassName(cn, table) + " {"); var isRevisionHistoryTable = DataAccessStatics.IsRevisionHistoryTable(table, configuration); var columns = new TableColumns(cn, table, isRevisionHistoryTable); // Write nested classes. DataAccessStatics.WriteRowClasses( writer, columns.AllColumns, localWriter => { if (!isRevisionHistoryTable) { return; } writer.WriteLine( "public UserTransaction Transaction { get { return RevisionHistoryStatics.UserTransactionsById[ RevisionHistoryStatics.RevisionsById[ System.Convert.ToInt32( " + EwlStatics.GetCSharpIdentifier(columns.PrimaryKeyAndRevisionIdColumn.PascalCasedNameExceptForOracle) + " ) ].UserTransactionId ]; } }"); }, localWriter => { if (!columns.DataColumns.Any()) { return; } var modClass = database.SecondaryDatabaseName + "Modification." + StandardModificationStatics.GetClassName(cn, table, isRevisionHistoryTable, isRevisionHistoryTable); var revisionHistorySuffix = StandardModificationStatics.GetRevisionHistorySuffix(isRevisionHistoryTable); writer.WriteLine("public " + modClass + " ToModification" + revisionHistorySuffix + "() {"); writer.WriteLine( "return " + modClass + ".CreateForSingleRowUpdate" + revisionHistorySuffix + "( " + StringTools.ConcatenateWithDelimiter( ", ", columns.AllColumnsExceptRowVersion.Select(i => EwlStatics.GetCSharpIdentifier(i.PascalCasedNameExceptForOracle)).ToArray()) + " );"); writer.WriteLine("}"); }); writeCacheClass(cn, writer, database, table, columns, isRevisionHistoryTable); var isSmallTable = configuration.SmallTables != null && configuration.SmallTables.Any(i => i.EqualsIgnoreCase(table)); var tableUsesRowVersionedCaching = configuration.TablesUsingRowVersionedDataCaching != null && configuration.TablesUsingRowVersionedDataCaching.Any(i => i.EqualsIgnoreCase(table)); if (tableUsesRowVersionedCaching && columns.RowVersionColumn == null && !(cn.DatabaseInfo is OracleInfo)) { throw new UserCorrectableException( cn.DatabaseInfo is MySqlInfo ? "Row-versioned data caching cannot currently be used with MySQL databases." : "Row-versioned data caching can only be used with the {0} table if you add a rowversion column.".FormatWith(table)); } if (isSmallTable) { writeGetAllRowsMethod(writer, isRevisionHistoryTable, false); } writeGetRowsMethod(cn, writer, database, table, columns, isSmallTable, tableUsesRowVersionedCaching, isRevisionHistoryTable, false); if (isRevisionHistoryTable) { if (isSmallTable) { writeGetAllRowsMethod(writer, true, true); } writeGetRowsMethod(cn, writer, database, table, columns, isSmallTable, tableUsesRowVersionedCaching, true, true); } writeGetRowMatchingPkMethod(cn, writer, database, table, columns, isSmallTable, tableUsesRowVersionedCaching, isRevisionHistoryTable); if (isRevisionHistoryTable) { DataAccessStatics.WriteGetLatestRevisionsConditionMethod(writer, columns.PrimaryKeyAndRevisionIdColumn.Name); } if (tableUsesRowVersionedCaching) { var keyTupleTypeArguments = getPkAndVersionTupleTypeArguments(cn, columns); writer.WriteLine("private static " + "Cache<System.Tuple<" + keyTupleTypeArguments + ">, BasicRow>" + " getRowsByPkAndVersion() {"); writer.WriteLine( "return AppMemoryCache.GetCacheValue<{0}>( \"{1}\", () => new {0}( i => System.Tuple.Create( {2} ) ) ).RowsByPkAndVersion;".FormatWith( "VersionedRowDataCache<System.Tuple<{0}>, System.Tuple<{1}>, BasicRow>".FormatWith(getPkTupleTypeArguments(columns), keyTupleTypeArguments), database.SecondaryDatabaseName + table.TableNameToPascal(cn) + "TableRetrievalRowsByPkAndVersion", StringTools.ConcatenateWithDelimiter(", ", Enumerable.Range(1, columns.KeyColumns.Count()).Select(i => "i.Item{0}".FormatWith(i)).ToArray()))); writer.WriteLine("}"); } // Initially we did not generate this method for small tables, but we found a need for it when the cache is disabled since that will cause // GetRowMatchingId to repeatedly query. if (columns.KeyColumns.Count() == 1 && columns.KeyColumns.Single().Name.ToLower().EndsWith("id")) { writeToIdDictionaryMethod(writer, columns); } if (isRevisionHistoryTable) { DataAccessStatics.WriteRevisionDeltaExtensionMethods(writer, GetClassName(cn, table), columns.DataColumns); } writer.WriteLine("}"); // class } writer.WriteLine("}"); // namespace }