RowSetIterator is used to navigate through viewobject iterator. It also have useful operations defined in it like row.previous() etc which can be used to capture previous row.
RowSetIterator rs= viewobject.createRowSetIterator(null);
while(rs.hasNext()) {
Row row = rs.next();
if(row.getAttribute("Attr_Value").toString().equalsIgnoreCase(Comparison value.toString())){
Row prRow = rs.previous();
}}
