text: public void insertRow(RowRecord row) {_rowRecords.put(Integer.valueOf(row.getRowNumber()), row);_rowRecordValues = null;if ((row.getRowNumber() < _firstrow) || (_firstrow == -1)) {_firstrow = row.getRowNumber();}if ((row.getRowNumber() > _lastrow) || (_lastrow == -1)) {_lastrow = row.getRowNumber();}}