es02

复杂查询

 

查询api

Search search = new Search.Builder("dsl的json语句").addIndex("索引名").addType("表名").build();

 

 

dsl查询工具类

 1 @Service
 2 public class SearchServiceImpl implements SearchService{
 3 
 4     @Autowired
 5     JestClient jestClient;
 6 
 7     @Override
 8     public List list(PmsSearchParam pmsSearchParam) {
 9         String dslStr = getSearchDsl(pmsSearchParam);
10         System.err.println(dslStr);
11         // 用api执行复杂查询
12         List pmsSearchSkuInfos = new ArrayList<>();
13         Search search = new Search.Builder(dslStr).addIndex("gmall0105").addType("PmsSkuInfo").build();
14         SearchResult execute = null;
15         try {
16             execute = jestClient.execute(search);
17         } catch (IOException e) {
18             e.printStackTrace();
19         }
20         List> hits = execute.getHits(PmsSearchSkuInfo.class);
21         for (SearchResult.Hit hit : hits) {
22             PmsSearchSkuInfo source = hit.source;
23             Map> highlight = hit.highlight;
24             if(highlight!=null){
25                 String skuName = highlight.get("skuName").get(0);
26                 source.setSkuName(skuName);
27             }
28 
29             pmsSearchSkuInfos.add(source);
30         }
31 
32         System.out.println(pmsSearchSkuInfos.size());
33         return pmsSearchSkuInfos;
34     }
35 
36     private String getSearchDsl(PmsSearchParam pmsSearchParam) {
37 
38         String[] skuAttrValueList = pmsSearchParam.getValueId();
39         String keyword = pmsSearchParam.getKeyword();
40         String catalog3Id = pmsSearchParam.getCatalog3Id();
41 
42         // jest的dsl工具
43         SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
44         // bool
45         BoolQueryBuilder boolQueryBuilder = new BoolQueryBuilder();
46 
47         // filter
48         if(StringUtils.isNotBlank(catalog3Id)){
49             TermQueryBuilder termQueryBuilder = new TermQueryBuilder("catalog3Id",catalog3Id);
50             boolQueryBuilder.filter(termQueryBuilder);
51         }
52         if(skuAttrValueList!=null){
53             for (String pmsSkuAttrValue : skuAttrValueList) {
54                 TermQueryBuilder termQueryBuilder = new TermQueryBuilder("skuAttrValueList.valueId",pmsSkuAttrValue);
55                 boolQueryBuilder.filter(termQueryBuilder);
56             }
57         }
58 
59         // must
60         if(StringUtils.isNotBlank(keyword)){
61             MatchQueryBuilder matchQueryBuilder = new MatchQueryBuilder("skuName",keyword);
62             boolQueryBuilder.must(matchQueryBuilder);
63         }
64 
65         // query
66         searchSourceBuilder.query(boolQueryBuilder);
67 
68         // highlight
69         HighlightBuilder highlightBuilder = new HighlightBuilder();
70         highlightBuilder.preTags("");
71         highlightBuilder.field("skuName");
72         highlightBuilder.postTags("");
73         searchSourceBuilder.highlight(highlightBuilder);
74         // sort
75         searchSourceBuilder.sort("id",SortOrder.DESC);
76         // from
77         searchSourceBuilder.from(0);
78         // size
79         searchSourceBuilder.size(20);
80 
81 
82         //aggs
　　　　　　 //es中使用aggregations聚合函数抽取平台属性

83         TermsBuilder groupby_attr = AggregationBuilders.terms("groupby_attr").field("skuAttrValueList.valueId");
84         searchSourceBuilder.aggregation(groupby_attr);
85 
86         return searchSourceBuilder.toString();
87 
88     }
89 }

 

mysql数据导入es

 1 //1.查询mysql数据
 2         List pmsSkuInfoList = new ArrayList<>();
 3 
 4 
 5         pmsSkuInfoList = skuService.getAllSku("107");
 6 
 7         List catalog3Id = skuService.getAllSku("catalog3Id");
 8 
 9         //2.转换成es的数据结构
10         List pmsSearchSkuInfos = new ArrayList<>();
11 
12         for (PmsSkuInfo pmsSkuInfo : pmsSkuInfoList) {
13             PmsSearchSkuInfo pmsSearchSkuInfo = new PmsSearchSkuInfo();
14 
15             BeanUtils.copyProperties(pmsSkuInfo, pmsSearchSkuInfo);
16 
17             pmsSearchSkuInfos.add(pmsSearchSkuInfo);
18         }
19 
20         // 导入es
21         for (PmsSearchSkuInfo pmsSearchSkuInfo : pmsSearchSkuInfos) {
22             Index put = new Index.Builder(pmsSearchSkuInfo).index("gmall0105").type("PmsSkuInfo").id(pmsSearchSkuInfo.getId() + "").build();
23             jestClient.execute(put);
24         }