[MongoDB] JAVA Group By aggregate

//컬렉션 초기화
MongoCollection<Document> auditLogCol = mongoTemplate.getCollection("AUDIT_LOG");

//where 조건 쿼리
BasicDBObject dateTermQuery = MogoDBUtil.getDateTermFindQuery("body_event_time", vo.getStartDate(), vo.getEndDate());
dateTermQuery.put("body_host_ip", vo.getHostIp());
        
List<BasicDBObject> uidQueryList = new ArrayList<BasicDBObject>();

//$match 부분 초기화
BasicDBObject matchQuery = new BasicDBObject("$match", dateTermQuery);
//$group 부분 추기화
BasicDBObject groupUidQuery = new BasicDBObject("$group", new BasicDBObject("_id", "$body_uid"));
		
uidQueryList.add(matchQuery);
uidQueryList.add(groupUidQuery);
//aggregate 요청
List<Document> uidList = auditLogCol.aggregate(uidQueryList).into(new ArrayList<>());