}
Map<String, RowParser> parserMap = new HashMap<String, RowParser>();
parserMap.put(className, parser);
ByteArrayOutputStream out = new ByteArrayOutputStream();
SheetWriter sheet = new CsvSheetWriter(out, parser.getColumns());
_currentWriter = new SingleSheetMultiParserPortfolioWriter(sheet, parserMap, _includeTrades);
_writerMap.put(className, _currentWriter);
_bufferMap.put(className, out);