Added multiple level nested document

Author: mohsinh

src/test/java/org/springframework/data/elasticsearch/repositories/NestedObjectTests.java

@@ -15,11 +15,13 @@
  */
 package org.springframework.data.elasticsearch.repositories;
 
+import org.elasticsearch.index.query.BoolQueryBuilder;
 import org.elasticsearch.index.query.QueryBuilder;
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
 import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;
 import org.springframework.data.elasticsearch.core.query.GetQuery;
 import org.springframework.data.elasticsearch.core.query.IndexQuery;
@@ -166,6 +168,32 @@ public void shouldIndexMultipleLevelNestedObject() {
 		assertThat(personIndexed, is(notNullValue()));
 	}
 
+	@Test
+	public void shouldSearchUsingNestedQueryOnMultipleLevelNestedObject() {
+		//given
+		List<IndexQuery> indexQueries = createPerson();
+
+		//when
+		elasticsearchTemplate.putMapping(PersonMultipleLevelNested.class);
+		elasticsearchTemplate.bulkIndex(indexQueries);
+		elasticsearchTemplate.refresh(PersonMultipleLevelNested.class, true);
+
+		//then
+		BoolQueryBuilder builder = boolQuery();
+		builder.must(nestedQuery("girlFriends", termQuery("girlFriends.type", "temp")))
+				.must(nestedQuery("girlFriends.cars", termQuery("girlFriends.cars.name", "Ford".toLowerCase())));
+
+		SearchQuery searchQuery = new NativeSearchQueryBuilder()
+				.withQuery(builder)
+				.build();
+
+		Page<PersonMultipleLevelNested> personIndexed = elasticsearchTemplate.queryForPage(searchQuery, PersonMultipleLevelNested.class);
+		assertThat(personIndexed, is(notNullValue()));
+	 	assertThat(personIndexed.getTotalElements(), is(1L));
+		assertThat(personIndexed.getContent().get(0).getId(), is("1"));
+	}
+
+
 
 	private List<IndexQuery> createPerson() {