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| @RunWith(SpringRunner.class)
@SpringBootTest
public class ElasticsearchClientTest {
@Autowired
private RestHighLevelClient client;
String index = "users";
@Test
public void createIndex() throws IOException {
CreateIndexRequest indexRequest = new CreateIndexRequest(index);
CreateIndexResponse response = client.indices()
.create(indexRequest, RequestOptions.DEFAULT);
System.out.println(response.isAcknowledged());
}
@Test
public void indexExists() throws IOException {
GetIndexRequest request = new GetIndexRequest(index);
boolean exists = client.indices().exists(request, RequestOptions.DEFAULT);
System.out.println(exists);
}
@Test
public void addDoc() throws IOException {
IndexRequest request = new IndexRequest(index);
String source = JSONObject.toJSONString(new Users(10000, "逍遥", 30));
request.source(source, XContentType.JSON);
IndexResponse response = client.index(request, RequestOptions.DEFAULT);
System.out.println(response.getResult());
}
@Test
public void batchAddDoc() throws IOException {
BulkRequest bulkRequest = new BulkRequest();
List<IndexRequest> requests = generateRequests();
for (IndexRequest indexRequest : requests) {
bulkRequest.add(indexRequest);
}
BulkResponse responses = client.bulk(bulkRequest, RequestOptions.DEFAULT);
System.out.println(!responses.hasFailures());
}
public List<IndexRequest> generateRequests() {
List<IndexRequest> requests = new ArrayList<>();
requests.add(generateNewsRequest(1, "小明", 22));
requests.add(generateNewsRequest(2, "隔壁老王", 30));
requests.add(generateNewsRequest(3, "lily", 25));
return requests;
}
public IndexRequest generateNewsRequest(Integer id, String name, Integer age) {
IndexRequest indexRequest = new IndexRequest(index);
String source = JSONObject.toJSONString(new Users(id, name, age));
indexRequest.source(source, XContentType.JSON);
return indexRequest;
}
@Test
public void updateDoc() throws IOException {
UpdateRequest updateRequest = new UpdateRequest(index, "o01wWHUB2WFtIWtB_nqQ");
Map<String, Object> params = new HashMap<>();
params.put("id", "1");
params.put("name", "逍遥");
params.put("age", 33);
params.put("hobby", "唱歌,跳舞,网上冲浪,看电影,旅行");
updateRequest.doc(params);
UpdateResponse response = client.update(updateRequest, RequestOptions.DEFAULT);
System.out.println(response.getResult());
}
@Test
public void search() throws IOException {
SearchRequest request = new SearchRequest(index);
SearchSourceBuilder builder = new SearchSourceBuilder();
BoolQueryBuilder boolQueryBuilder = new BoolQueryBuilder();
boolQueryBuilder
.must(new RangeQueryBuilder("age").from(20).to(30))
.must(new TermQueryBuilder("id", 3));
builder.query(boolQueryBuilder);
request.source(builder);
System.out.println("搜索语句为: " + request.source().toString());
SearchResponse search = client.search(request, RequestOptions.DEFAULT);
System.out.println(search);
SearchHits hits = search.getHits();
SearchHit[] hitsArr = hits.getHits();
for (SearchHit documentFields : hitsArr) {
System.out.println(documentFields.getSourceAsString());
}
}
@Test
public void search2() {
SearchSourceBuilder sourceBuilder = new SearchSourceBuilder();
sourceBuilder.from(0);
sourceBuilder.size(10);
sourceBuilder.fetchSource(new String[]{"name", "age"}, new String[]{});
MatchQueryBuilder matchQueryBuilder = QueryBuilders.matchQuery("hobby", "唱歌");
TermQueryBuilder termQueryBuilder = QueryBuilders.termQuery("name", "逍遥");
RangeQueryBuilder rangeQueryBuilder = QueryBuilders.rangeQuery("age");
rangeQueryBuilder.gte(20);
rangeQueryBuilder.lte(40);
BoolQueryBuilder boolBuilder = QueryBuilders.boolQuery();
boolBuilder.must(matchQueryBuilder);
boolBuilder.must(termQueryBuilder);
boolBuilder.must(rangeQueryBuilder);
sourceBuilder.query(boolBuilder);
SearchRequest searchRequest = new SearchRequest(index);
searchRequest.source(sourceBuilder);
try {
System.out.println("搜索语句为: " + searchRequest.source().toString());
SearchResponse search = client.search(searchRequest, RequestOptions.DEFAULT);
System.out.println(search);
SearchHits hits = search.getHits();
SearchHit[] hitsArr = hits.getHits();
for (SearchHit documentFields : hitsArr) {
System.out.println(documentFields.getSourceAsString());
}
} catch (IOException e) {
e.printStackTrace();
}
}
@Test
public void deleteDoc() throws IOException {
DeleteRequest deleteRequest = new DeleteRequest(index, "vk11WHUB2WFtIWtBQHqR");
DeleteResponse response = client.delete(deleteRequest, RequestOptions.DEFAULT);
System.out.println(response.getResult());
}
@Test
public void deleteIndex() throws IOException {
DeleteIndexRequest request = new DeleteIndexRequest(index);
AcknowledgedResponse response = client.indices()
.delete(request, RequestOptions.DEFAULT);
System.out.println(response.isAcknowledged());
}
}
|