SpringBoot—Obtém o intervalo de nomes do índice ES de acordo com a hora de início e a hora de término

Siga wx:CodingTechWork

precisar

  De acordo com o campo de hora de início do ES, consulte o intervalo de nome do índice. A premissa é que o nome do índice também seja nomeado de acordo com o ano e o mês, comoes_log_data_m202304

modelo

@Slf4j
public class ESUtils{
    
    

    private Integer defaultSearchMonth = 6;
    /**
     * 根据起始时间和终止时间获取索引名称范围
     *
     * @param indexNamePrefix 索引前缀
     * @param beginTime       起始时间
     * @param endTime         终止时间
     * @return
     */
    public static List<String> queryEsIndexNameRange(String indexNamePrefix, LocalDateTime beginTime, LocalDateTime endTime) {
    
    
        //构建日期字符串列表  yyyyMM
        List<String> indexNameRangeList = new ArrayList<>();
        //设定了起止时间
        if (ObjectUtil.isNotEmpty(beginTime) && ObjectUtil.isNotEmpty(endTime)) {
    
    
            //若起始时间在终止时间之后，返回空
            if (beginTime.isAfter(endTime)) {
    
    
                return new ArrayList<>();
            }
            //循环处理 条件：起始时间在终止时间之前
            while (beginTime.isBefore(endTime)) {
    
    
                //添加起始日期
                indexNameRangeList.add(indexNamePrefix + DateTimeFormatter.ofPattern("yyyyMM").format(beginTime));
                //自增1个月
                beginTime = beginTime.plusMonths(1);
            }
            //考虑2023-02-01 00:00:00  2023-03-03 00:00:00时间范围的查询
            if (!indexNameRangeList.contains(indexNamePrefix + DateTimeFormatter.ofPattern("yyyyMM").format(endTime))) {
    
    
                //添加终止日期
                indexNameRangeList.add(indexNamePrefix + DateTimeFormatter.ofPattern("yyyyMM").format(endTime));
            }
        } else {
    
    
            //未设定起止时间，默认返回几个月
            LocalDateTime nowTime = LocalDateTime.now();
            //循环处理 条件：起始时间在终止时间之前的默认月数
            for (int i = 0; i < defaultSearchMonth; i++) {
    
    
                indexNameRangeList.add(indexNamePrefix + DateTimeFormatter.ofPattern("yyyyMM").format(nowTime));
                //自减月份
                nowTime = nowTime.minusMonths(1);
            }
        }
        log.info("es query indexNameRangeList： {}", indexNameRangeList);
        //返回索引范围list
        return indexNameRangeList;
    }
}

exemplo

 //索引名称查询列表
List<String> indexNameList = ESUtils.getIndexNameRange("es_log_data_m,LocalDateTime.now(), LocalDateTime.now());
//构建es请求
SearchRequest.Builder builder = new SearchRequest.Builder();
//es query
Query.Builder builder = new Query.Builder();
BoolQuery.Builder boolQueryBuilder = new BoolQuery.Builder();
builder.bool(boolQueryBuilder.build());
Query.Builder builderId = new Query.Builder();
builderId.term(new TermQuery.Builder().field("testId").value(10000L).build());
boolQueryBuilder.must(builderId.build());
//忽略索引不存在的情况
builder.index(indexNameList).query(builder.build()).ignoreUnavailable(true);