Aggregation agg = Aggregation.newAggregation(
                match(Criteria.where("time").gte(start).lt(end).and("fid").in(fid)),                
                project("fid","time","rawValue").and("time").plus(28800000).as("times"),
                project("times","fid","time","rawValue").and("times").project("substr", 0,substrend).as("str"),
                group(fields().and("str").and("fid"))
                            .min("time").as("minTime")
                            .min("rawValue").as("minValue")
                            .max("time").as("maxTime")
                            .max("rawValue").as("maxValue"),

                sort(Sort.DEFAULT_DIRECTION,"_id.fid","minTime"),
                skip(begin),
                limit(rows)
                
                );