Change index name to 'blog' and rename package to 'repository'

spring-data-elasticsearch/src/main/java/com/baeldung/config/Config.java

@@ -17,7 +17,7 @@ import java.nio.file.Path;
 import java.nio.file.Paths;
 
 @Configuration
-@EnableElasticsearchRepositories(basePackages = "com.baeldung.dao")
+@EnableElasticsearchRepositories(basePackages = "com.baeldung.repository")
 @ComponentScan(basePackages = {"com.baeldung.service"})
 public class Config {
 

spring-data-elasticsearch/src/main/java/com/baeldung/model/Article.java

@@ -8,7 +8,7 @@ import org.springframework.data.elasticsearch.annotations.FieldType;
 
 import java.util.List;
 
-@Document(indexName = "article", type = "article")
+@Document(indexName = "blog", type = "article")
 public class Article {
 
     @Id

spring-data-elasticsearch/src/main/java/com/baeldung/repository/ArticleRepository.java

@@ -0,0 +1,15 @@
+package com.baeldung.repository;
+
+import com.baeldung.model.Article;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.elasticsearch.annotations.Query;
+import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
+
+public interface ArticleRepository extends ElasticsearchRepository<Article, String> {
+
+    Page<Article> findByAuthorsName(String name, Pageable pageable);
+
+    @Query("{\"bool\": {\"must\": [{\"match\": {\"authors.name\": \"?0\"}}]}}")
+    Page<Article> findByAuthorsNameUsingCustomQuery(String name, Pageable pageable);
+}

spring-data-elasticsearch/src/main/java/com/baeldung/service/ArticleServiceImpl.java

@@ -1,6 +1,6 @@
 package com.baeldung.service;
 
-import com.baeldung.dao.ArticleRepository;
+import com.baeldung.repository.ArticleRepository;
 import com.baeldung.model.Article;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Page;