private void changeMapToPB(
        HashMap<Long, HashMap<String, HashMap<Integer, ActType>>> detailMap,
        Builder mergeValueBuilder) {
      Long time = System.currentTimeMillis() / 1000;

      ArrayList<Long> sortList = new ArrayList<Long>(detailMap.keySet());

      Collections.sort(
          sortList,
          new Comparator<Long>() {
            @Override
            public int compare(Long arg0, Long arg1) {
              if (arg1.longValue() > arg0.longValue()) {
                return 1;
              } else {
                return -1;
              }
            }
          });

      for (Long timeId : sortList) {
        if (timeId < Utils.getDateByTime(time - dataExpireTime)) {
          continue;
        }

        Recommend.UserActiveDetail.TimeSegment.Builder timeBuilder =
            Recommend.UserActiveDetail.TimeSegment.newBuilder();
        timeBuilder.setTimeId(timeId);
        int count = 0;
        for (String item : detailMap.get(timeId).keySet()) {
          count++;
          if (count > topNum) {
            break;
          }

          Recommend.UserActiveDetail.TimeSegment.ItemInfo.Builder itemBuilder =
              Recommend.UserActiveDetail.TimeSegment.ItemInfo.newBuilder();
          itemBuilder.setItem(item);
          float maxWeight = 0;
          for (Integer act : detailMap.get(timeId).get(item).keySet()) {
            ActType actValue = detailMap.get(timeId).get(item).get(act);
            float actWeight = Utils.getActionWeight(actValue.getActType());
            if (actWeight > maxWeight) {
              maxWeight = actWeight;
            }
            itemBuilder.addActs(actValue);
          }
          if (maxWeight > 0) {
            timeBuilder.addItems(itemBuilder);
          }
        }
        mergeValueBuilder.addTsegs(timeBuilder.build());
      }
    }