DATAES-594 Added support for index without refresh.

Original PR: #286

src/main/java/org/springframework/data/elasticsearch/repository/ElasticsearchRepository.java

@@ -27,10 +27,13 @@ import org.springframework.data.repository.NoRepositoryBean;
  * @author Rizwan Idrees
  * @author Mohsin Husen
  * @author Sascha Woo
+ * @author Murali Chevuri
  */
 @NoRepositoryBean
 public interface ElasticsearchRepository<T, ID> extends ElasticsearchCrudRepository<T, ID> {
 
+	<S extends T> S indexWithoutRefresh(S entity);
+
 	<S extends T> S index(S entity);
 
 	Iterable<T> search(QueryBuilder query);

src/main/java/org/springframework/data/elasticsearch/repository/support/AbstractElasticsearchRepository.java

@@ -56,9 +56,9 @@ import org.springframework.util.Assert;
  * @author Christoph Strobl
  * @author Michael Wirth
  * @author Sascha Woo
+ * @author Murali Chevuri
  */
-public abstract class AbstractElasticsearchRepository<T, ID>
+public abstract class AbstractElasticsearchRepository<T, ID> implements ElasticsearchRepository<T, ID> {
-		implements ElasticsearchRepository<T, ID> {
 
 	static final Logger LOGGER = LoggerFactory.getLogger(AbstractElasticsearchRepository.class);
 	protected ElasticsearchOperations elasticsearchOperations;
@@ -88,7 +88,7 @@ public abstract class AbstractElasticsearchRepository<T, ID>
 				putMapping();
 			}
 		} catch (ElasticsearchException exception) {
-			LOGGER.error("failed to load elasticsearch nodes : " + exception.getDetailedMessage());
+			LOGGER.error("failed to load elasticsearch nodes : {}", exception.getDetailedMessage());
 		}
 	}
 
@@ -175,6 +175,17 @@ public abstract class AbstractElasticsearchRepository<T, ID>
 		return save(entity);
 	}
 
+	/**
+	 * This method might lead to a temporary inconsistent state until
+	 * {@link org.springframework.data.elasticsearch.repository.ElasticsearchRepository#refresh() refresh} is called.
+	 */
+	@Override
+	public <S extends T> S indexWithoutRefresh(S entity) {
+		Assert.notNull(entity, "Cannot save 'null' entity.");
+		elasticsearchOperations.index(createIndexQuery(entity));
+		return entity;
+	}
+
 	@Override
 	public <S extends T> Iterable<S> saveAll(Iterable<S> entities) {
 		Assert.notNull(entities, "Cannot insert 'null' as a List.");

src/test/java/org/springframework/data/elasticsearch/repository/support/simple/SimpleElasticsearchRepositoryTests.java

@@ -60,6 +60,7 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
  * @author Christoph Strobl
  * @author Michael Wirth
  * @author Peter-Josef Meisch
+ * @author Murali Chevuri
  */
 @RunWith(SpringJUnit4ClassRunner.class)
 @ContextConfiguration("classpath:/simple-repository-test.xml")
@@ -569,6 +570,27 @@ public class SimpleElasticsearchRepositoryTests {
 		assertThat(entities.getTotalElements()).isEqualTo(1L);
 	}
 
+    @Test
+    public void shouldIndexWithoutRefreshEntity() {
+
+        // given
+        String documentId = randomNumeric(5);
+        SampleEntity sampleEntity = new SampleEntity();
+        sampleEntity.setId(documentId);
+        sampleEntity.setVersion(System.currentTimeMillis());
+        sampleEntity.setMessage("some message");
+
+        // when
+        repository.indexWithoutRefresh(sampleEntity);
+
+        // then
+        Page<SampleEntity> entities = repository.search(termQuery("id", documentId), PageRequest.of(0, 50));
+        assertThat(entities.getTotalElements()).isEqualTo(0L);
+        repository.refresh();
+        entities = repository.search(termQuery("id", documentId), PageRequest.of(0, 50));
+        assertThat(entities.getTotalElements()).isEqualTo(1L);
+    }
+
 	@Test
 	public void shouldSortByGivenField() {