DATAES-71 - Enhance Create Index in ElasticsearchTemplate

added createIndex(String indexName) method

Author: mohsinh

src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchOperations.java

@@ -45,6 +45,14 @@ public interface ElasticsearchOperations {
 	 */
 	<T> boolean createIndex(Class<T> clazz);
 
+	/**
+	 * Create an index for given indexName
+	 *
+	 * @param indexName
+	 */
+	boolean createIndex(String indexName);
+
+
 	/**
 	 * Create mapping for a class
 	 *

src/main/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplate.java

@@ -117,6 +117,14 @@ public <T> boolean createIndex(Class<T> clazz) {
 		return createIndexIfNotCreated(clazz);
 	}
 
+	@Override
+	public boolean createIndex(String indexName) {
+		Assert.notNull(indexName, "No index defined for Query");
+		return client.admin().indices()
+				.create(Requests.createIndexRequest(indexName))
+				.actionGet().isAcknowledged();
+	}
+
 	@Override
 	public <T> boolean putMapping(Class<T> clazz) {
 		ElasticsearchPersistentEntity<T> persistentEntity = getPersistentEntityFor(clazz);

src/test/java/org/springframework/data/elasticsearch/core/ElasticsearchTemplateTests.java

@@ -1256,14 +1256,31 @@ public void shouldReturnCountForGivenSearchQueryWithGivenMultiIndices() {
 	private void cleanUpIndices() {
 		elasticsearchTemplate.deleteIndex("test-index-1");
 		elasticsearchTemplate.deleteIndex("test-index-2");
+		elasticsearchTemplate.createIndex("test-index-1");
+		elasticsearchTemplate.createIndex("test-index-2");
+		elasticsearchTemplate.refresh("test-index-1", true);
+		elasticsearchTemplate.refresh("test-index-2", true);
+	}
+
+	/*
+	DATAES-71
+	 */
+	@Test
+	public void shouldCreatedIndexWithSpecifiedIndexName() {
+		// given
+		elasticsearchTemplate.deleteIndex("test-index");
+		// when
+		elasticsearchTemplate.createIndex("test-index");
+		// then
+		assertThat(elasticsearchTemplate.indexExists("test-index"), is(true));
 	}
 
 	/*
 	DATAES-72
 	 */
 	@Test
 	public void shouldDeleteIndexForSpecifiedIndexName() {
-		//given
+		// given
 		elasticsearchTemplate.createIndex(SampleEntity.class);
 		elasticsearchTemplate.refresh(SampleEntity.class, true);