feat(新增): 查询索引库

.idea/deployment.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PublishConfigData" autoUpload="Always" remoteFilesAllowedToDisappearOnAutoupload="false" autoUploadExternalChanges="true">
+    <option name="myAutoUpload" value="ALWAYS" />
+  </component>
+</project>

.idea/prettier.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PrettierConfiguration">
+    <option name="myRunOnSave" value="true" />
+  </component>
+</project>

src/test/java/cn/itcast/hotel/HotelIndexTest.java

@@ -7,12 +7,11 @@ import org.elasticsearch.client.RequestOptions;
 import org.elasticsearch.client.RestClient;
 import org.elasticsearch.client.RestHighLevelClient;
 import org.elasticsearch.client.indices.CreateIndexRequest;
+import org.elasticsearch.client.indices.GetIndexRequest;
 import org.elasticsearch.common.xcontent.XContentType;
-import org.elasticsearch.search.rescore.RescorerBuilder;
 import org.junit.jupiter.api.AfterEach;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.springframework.boot.test.context.SpringBootTest;
 
 import java.io.IOException;
 
@@ -23,8 +22,8 @@ public class HotelIndexTest {
     void setup() throws Exception {
         this.client = new RestHighLevelClient(RestClient.builder((
                         HttpHost.create("http://192.168.1.4:9200"))
-                        // 集群缓环境下可以配置多个
-                        // HttpHost.create("http://192.168.1.7:9200")
+                // 集群缓环境下可以配置多个
+                // HttpHost.create("http://192.168.1.7:9200")
         ));
     }
 
@@ -59,5 +58,14 @@ public class HotelIndexTest {
         client.indices().delete(request, RequestOptions.DEFAULT);
     }
 
-
+    // 查询索引库
+    @Test
+    void getHotelIndex() throws IOException {
+        // 1. 创建Request对象
+        GetIndexRequest request = new GetIndexRequest("hotel");
+        // 2. 查询索引库
+        boolean exists = client.indices().exists(request, RequestOptions.DEFAULT);
+        // 输出是否删除
+        System.out.println(exists);
+    }
 }