标签:聚合 SpringBoot AggEmployeeCondition fragment 8.11 docCountError ElasticSearch agg
1.condition开发
在项目目录“/src/main/java/com/example/es/condition”下新建AggEmployeeCondition聚合条件类,AggEmployeeCondition类需要实现AggProvider接口,具体代码如下。
@Data
public class AggEmployeeCondition extends SampleEmployeeCondition implements AggProvider {
@Override
public Aggregation[] getAggregations() {
TermsAggregation terms = Aggregation.terms("groupByAge").fieldName("age").order(Order.COUNT_DESC, Order.KEY_ASC);
return new Aggregation[]{terms};
}
}
2.mapper开发
在项目目录“/src/main/java/com/example/es”的EmployeeMapper类中新增聚合接口,具体代码如下。
@EasyMapper(indices = "employee", clusterRouter = "sampleCluster")
public interface EmployeeMapper {
/**
* 聚合查询
*
* @param pageable 分页信息
* @param aggEmployeeCondition 聚合条件
* @return 响应
*/
@Agg
SearchResponse aggEmployee(Pageable pageable, AggEmployeeCondition aggEmployeeCondition);
/**
* 聚合查询
*
* @param aggEmployeeCondition 聚合条件
* @return 响应
*/
@Agg(aggOnly = true)
Aggregations aggsEmployee(AggEmployeeCondition aggEmployeeCondition);
/**
* 聚合查询
*
* @param aggEmployeeCondition 聚合条件
* @return 响应
*/
@Agg
List<Aggregation> aggEmployee(AggEmployeeCondition aggEmployeeCondition);
/**
* 聚合查询
*
* @param aggEmployeeCondition 聚合条件
* @return 响应
*/
@Agg
Map<String, Aggregation> aggEmployeeMap(AggEmployeeCondition aggEmployeeCondition);
}
3.controller开发
在项目目录“/src/main/java/com/example/es”下的EmployeeController类中新增聚合接口,以aggEmployee接口为例演示开发步骤,具体代码如下。
@RestController
@RequestMapping("/employee")
public class EmployeeController {
@Resource
private EmployeeMapper employeeMapper;
@ResponseBody
@RequestMapping(value = "/aggEmployee", method = RequestMethod.GET)
public List<Aggregation> aggEmployee() {
return employeeMapper.aggEmployee(new AggEmployeeCondition());
}
}
4.测试
启动项目,然后在postman中请求“http://localhost:8080/employee/aggEmployee”,成功后返回对应的信息。
[
{
"name": "groupByAge",
"buckets": [
{
"aggregations": {
"asMap": {},
"fragment": true
},
"keyAsString": "24",
"docCount": 1,
"docCountError": 0,
"key": 24,
"keyAsNumber": 24,
"fragment": true
},
{
"aggregations": {
"asMap": {},
"fragment": true
},
"keyAsString": "25",
"docCount": 1,
"docCountError": 0,
"key": 25,
"keyAsNumber": 25,
"fragment": true
},
{
"aggregations": {
"asMap": {},
"fragment": true
},
"keyAsString": "27",
"docCount": 1,
"docCountError": 0,
"key": 27,
"keyAsNumber": 27,
"fragment": true
},
{
"aggregations": {
"asMap": {},
"fragment": true
},
"keyAsString": "30",
"docCount": 1,
"docCountError": 0,
"key": 30,
"keyAsNumber": 30,
"fragment": true
},
{
"aggregations": {
"asMap": {},
"fragment": true
},
"keyAsString": "31",
"docCount": 1,
"docCountError": 0,
"key": 31,
"keyAsNumber": 31,
"fragment": true
},
{
"aggregations": {
"asMap": {},
"fragment": true
},
"keyAsString": "33",
"docCount": 1,
"docCountError": 0,
"key": 33,
"keyAsNumber": 33,
"fragment": true
},
{
"aggregations": {
"asMap": {},
"fragment": true
},
"keyAsString": "35",
"docCount": 1,
"docCountError": 0,
"key": 35,
"keyAsNumber": 35,
"fragment": true
}
],
"type": "lterms",
"docCountError": 0,
"sumOfOtherDocCounts": 0,
"metaData": null,
"fragment": true
}
]
标签:聚合,SpringBoot,AggEmployeeCondition,fragment,8.11,docCountError,ElasticSearch,agg 来源: https://blog.csdn.net/Jgx1214/article/details/122347476
本站声明: 1. iCode9 技术分享网(下文简称本站)提供的所有内容,仅供技术学习、探讨和分享; 2. 关于本站的所有留言、评论、转载及引用,纯属内容发起人的个人观点,与本站观点和立场无关; 3. 关于本站的所有言论和文字,纯属内容发起人的个人观点,与本站观点和立场无关; 4. 本站文章均是网友提供,不完全保证技术分享内容的完整性、准确性、时效性、风险性和版权归属;如您发现该文章侵犯了您的权益,可联系我们第一时间进行删除; 5. 本站为非盈利性的个人网站,所有内容不会用来进行牟利,也不会利用任何形式的广告来间接获益,纯粹是为了广大技术爱好者提供技术内容和技术思想的分享性交流网站。