private TimeWindowFunction newTimeWindow(boolean timeAggregated) {
        if (timeAggregated) {
            return TimeWindowFunction.ALL_IN_ONE;
        }
        return TimeWindowFunction.identity();
    }
@author netspider
@author emeroad
@author HyunGil Jeong
web/src/main/java/com/navercorp/pinpoint/web/applicationmap/dao/hbase/HbaseMapOutLinkDao.java