Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly
Sign up
Appearance settings

Commit bd6b17c

Browse files
committed
feat: elasticsearch 6.x 示例
1 parent 72e3c11 commit bd6b17c

File tree

7 files changed

+646
-266
lines changed

7 files changed

+646
-266
lines changed

‎codes/javadb/elasticsearch/elasticsearch6/src/main/java/io/github/dunwu/javadb/elasticsearch/ElasticsearchTemplate.java

Lines changed: 27 additions & 14 deletions
Original file line numberDiff line numberDiff line change
@@ -15,6 +15,7 @@
1515
import org.elasticsearch.action.DocWriteResponse;
1616
import org.elasticsearch.action.admin.indices.alias.Alias;
1717
import org.elasticsearch.action.admin.indices.alias.IndicesAliasesRequest;
18+
import org.elasticsearch.action.admin.indices.alias.get.GetAliasesRequest;
1819
import org.elasticsearch.action.admin.indices.create.CreateIndexRequest;
1920
import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest;
2021
import org.elasticsearch.action.admin.indices.get.GetIndexRequest;
@@ -40,8 +41,10 @@
4041
import org.elasticsearch.action.support.master.AcknowledgedResponse;
4142
import org.elasticsearch.action.update.UpdateRequest;
4243
import org.elasticsearch.action.update.UpdateResponse;
44+
import org.elasticsearch.client.GetAliasesResponse;
4345
import org.elasticsearch.client.RequestOptions;
4446
import org.elasticsearch.client.RestHighLevelClient;
47+
import org.elasticsearch.cluster.metadata.AliasMetaData;
4548
import org.elasticsearch.common.settings.Settings;
4649
import org.elasticsearch.common.unit.ByteSizeUnit;
4750
import org.elasticsearch.common.unit.ByteSizeValue;
@@ -65,6 +68,7 @@
6568
import java.util.List;
6669
import java.util.Map;
6770
import java.util.Objects;
71+
import java.util.Set;
6872
import java.util.concurrent.TimeUnit;
6973
import java.util.function.BiConsumer;
7074
import java.util.stream.Collectors;
@@ -194,6 +198,20 @@ public boolean isIndexExists(String index) throws IOException {
194198
return client.indices().exists(request.indices(index), RequestOptions.DEFAULT);
195199
}
196200

201+
public Set<String> getIndexSet(String alias) throws IOException {
202+
GetAliasesRequest request = new GetAliasesRequest(alias);
203+
GetAliasesResponse response = client.indices().getAlias(request, RequestOptions.DEFAULT);
204+
if (StrUtil.isNotBlank(response.getError())) {
205+
String msg = StrUtil.format("【ES】获取索引失败!alias: {}, error: {}", alias, response.getError());
206+
throw new ElasticsearchException(msg);
207+
}
208+
if (response.getException() != null) {
209+
throw response.getException();
210+
}
211+
Map<String, Set<AliasMetaData>> aliasMap = response.getAliases();
212+
return aliasMap.keySet();
213+
}
214+
197215
public void setMapping(String index, String type, Map<String, String> propertiesMap) throws IOException {
198216

199217
if (MapUtil.isEmpty(propertiesMap)) {
@@ -459,7 +477,7 @@ public <T> List<T> pojoListByIds(String index, String type, Collection<String> i
459477
throws IOException {
460478

461479
if (CollectionUtil.isEmpty(ids)) {
462-
return null;
480+
return newArrayList<>(0);
463481
}
464482

465483
MultiGetRequest request = new MultiGetRequest();
@@ -471,7 +489,7 @@ public <T> List<T> pojoListByIds(String index, String type, Collection<String> i
471489
if (null == multiGetResponse
472490
|| multiGetResponse.getResponses() == null
473491
|| multiGetResponse.getResponses().length <= 0) {
474-
return new ArrayList<>();
492+
return new ArrayList<>(0);
475493
}
476494

477495
List<T> list = new ArrayList<>();
@@ -491,7 +509,7 @@ public <T> List<T> pojoListByIds(String index, String type, Collection<String> i
491509
public long count(String index, String type, SearchSourceBuilder builder) throws IOException {
492510
SearchResponse response = query(index, type, builder);
493511
if (response == null || response.status() != RestStatus.OK) {
494-
return -1L;
512+
return 0L;
495513
}
496514
SearchHits searchHits = response.getHits();
497515
return searchHits.getTotalHits();
@@ -550,15 +568,15 @@ public <T> PageData<T> pojoPage(String index, String type, int from, int size, Q
550568
/**
551569
* search after 分页
552570
*/
553-
public <T extends BaseEsEntity> ScrollData<T> pojoPageByLastId(String index, String type, String lastId, int size,
571+
public <T extends BaseEsEntity> ScrollData<T> pojoPageByScrollId(String index, String type, String scrollId, int size,
554572
QueryBuilder queryBuilder, Class<T> clazz) throws IOException {
555573

556574
SearchSourceBuilder searchSourceBuilder = new SearchSourceBuilder();
557575
searchSourceBuilder.size(size);
558576
searchSourceBuilder.sort(BaseEsEntity.DOC_ID, SortOrder.ASC);
559-
if (StrUtil.isNotBlank(lastId)) {
577+
if (StrUtil.isNotBlank(scrollId)) {
560578
BoolQueryBuilder boolQueryBuilder = QueryBuilders.boolQuery();
561-
boolQueryBuilder.must(queryBuilder).must(QueryBuilders.rangeQuery(BaseEsEntity.DOC_ID).gt(lastId));
579+
boolQueryBuilder.must(queryBuilder).must(QueryBuilders.rangeQuery(BaseEsEntity.DOC_ID).gt(scrollId));
562580
searchSourceBuilder.query(boolQueryBuilder);
563581
} else {
564582
searchSourceBuilder.query(queryBuilder);
@@ -639,25 +657,20 @@ public boolean pojoScrollEnd(String scrollId) throws IOException {
639657
}
640658

641659
public <T> T toPojo(GetResponse response, Class<T> clazz) {
642-
if (null == response) {
643-
return null;
644-
} else if (StrUtil.isBlank(response.getSourceAsString())) {
660+
if (null == response || StrUtil.isBlank(response.getSourceAsString())) {
645661
return null;
646662
} else {
647663
return JsonUtil.toBean(response.getSourceAsString(), clazz);
648664
}
649665
}
650666

651667
public <T> List<T> toPojoList(SearchResponse response, Class<T> clazz) {
652-
653668
if (response == null || response.status() != RestStatus.OK) {
654-
return new ArrayList<>();
669+
return new ArrayList<>(0);
655670
}
656-
657671
if (ArrayUtil.isEmpty(response.getHits().getHits())) {
658-
return new ArrayList<>();
672+
return new ArrayList<>(0);
659673
}
660-
661674
return Stream.of(response.getHits().getHits())
662675
.map(hit -> JsonUtil.toBean(hit.getSourceAsString(), clazz))
663676
.collect(Collectors.toList());

0 commit comments

Comments
(0)

AltStyle によって変換されたページ (->オリジナル) /