DATAES-407 - Support for HighLevelRestClient via ElasticsearchRestTemplate

Original pull request: #216

pom.xml

@@ -19,7 +19,7 @@
     <properties>
         <commonscollections>3.2.1</commonscollections>
         <commonslang>2.6</commonslang>
-        <elasticsearch>6.2.2</elasticsearch>
+        <elasticsearch>6.3.0</elasticsearch>
         <log4j>2.9.1</log4j>
         <springdata.commons>2.2.0.BUILD-SNAPSHOT</springdata.commons>
         <java-module-name>spring.data.elasticsearch</java-module-name>
@@ -79,6 +79,18 @@
             </exclusions>
         </dependency>
 
+        <dependency>
+		    <groupId>org.elasticsearch.client</groupId>
+		    <artifactId>elasticsearch-rest-high-level-client</artifactId>
+		    <version>${elasticsearch}</version>
+		    <exclusions>
+                <exclusion>
+                    <groupId>commons-logging</groupId>
+                    <artifactId>commons-logging</artifactId>
+                </exclusion>
+            </exclusions>
+		</dependency>
+
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>log4j-over-slf4j</artifactId>
@@ -169,7 +181,7 @@
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
             <version>${lombok}</version>
-            <scope>test</scope>
+            <scope>provided</scope>
         </dependency>
 
     </dependencies>

src/main/java/org/springframework/data/elasticsearch/client/RestClientFactoryBean.java

@@ -0,0 +1,95 @@
+/*
+ * Copyright 2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.elasticsearch.client;
+
+import static org.apache.commons.lang.StringUtils.*;
+
+import lombok.extern.slf4j.Slf4j;
+
+import java.net.URL;
+import java.util.ArrayList;
+
+import org.apache.http.HttpHost;
+import org.elasticsearch.client.RestClient;
+import org.elasticsearch.client.RestHighLevelClient;
+import org.springframework.beans.factory.DisposableBean;
+import org.springframework.beans.factory.FactoryBean;
+import org.springframework.beans.factory.InitializingBean;
+import org.springframework.util.Assert;
+
+/**
+ * RestClientFactoryBean
+ * 
+ * @author Don Wellington
+ */
+@Slf4j
+public class RestClientFactoryBean implements FactoryBean<RestHighLevelClient>, InitializingBean, DisposableBean {
+
+	private RestHighLevelClient client;
+	private String hosts = "http://localhost:9200";
+	static final String COMMA = ",";
+
+	@Override
+	public void destroy() throws Exception {
+		try {
+			log.info("Closing elasticSearch  client");
+			if (client != null) {
+				client.close();
+			}
+		} catch (final Exception e) {
+			log.error("Error closing ElasticSearch client: ", e);
+		}
+	}
+
+	@Override
+	public void afterPropertiesSet() throws Exception {
+		buildClient();
+	}
+
+	@Override
+	public RestHighLevelClient getObject() throws Exception {
+		return client;
+	}
+
+	@Override
+	public Class<?> getObjectType() {
+		return RestHighLevelClient.class;
+	}
+
+	@Override
+	public boolean isSingleton() {
+		return false;
+	}
+
+	protected void buildClient() throws Exception {
+
+		Assert.hasText(hosts, "[Assertion Failed] At least one host must be set.");
+		ArrayList<HttpHost> httpHosts = new ArrayList<HttpHost>();
+		for (String host : split(hosts, COMMA)) {
+			URL hostUrl = new URL(host);
+			httpHosts.add(new HttpHost(hostUrl.getHost(), hostUrl.getPort(), hostUrl.getProtocol()));
+		}
+		client = new RestHighLevelClient(RestClient.builder(httpHosts.toArray(new HttpHost[httpHosts.size()])));
+	}
+
+	public void setHosts(String hosts) {
+		this.hosts = hosts;
+	}
+
+	public String getHosts() {
+		return this.hosts;
+	}
+}

src/main/java/org/springframework/data/elasticsearch/config/ElasticsearchNamespaceHandler.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -25,8 +25,8 @@ import org.springframework.data.repository.config.RepositoryConfigurationExtensi
  *
  * @author Rizwan Idrees
  * @author Mohsin Husen
+ * @author Don Wellington
  */
-
 public class ElasticsearchNamespaceHandler extends NamespaceHandlerSupport {
 
 	@Override
@@ -37,5 +37,6 @@ public class ElasticsearchNamespaceHandler extends NamespaceHandlerSupport {
 		registerBeanDefinitionParser("repositories", parser);
 		registerBeanDefinitionParser("node-client", new NodeClientBeanDefinitionParser());
 		registerBeanDefinitionParser("transport-client", new TransportClientBeanDefinitionParser());
+		registerBeanDefinitionParser("rest-client", new RestClientBeanDefinitionParser());
 	}
 }

src/main/java/org/springframework/data/elasticsearch/config/RestClientBeanDefinitionParser.java

@@ -0,0 +1,47 @@
+/*
+ * Copyright 2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.elasticsearch.config;
+
+import org.springframework.beans.factory.support.AbstractBeanDefinition;
+import org.springframework.beans.factory.xml.AbstractBeanDefinitionParser;
+import org.springframework.beans.factory.support.BeanDefinitionBuilder;
+import org.springframework.beans.factory.xml.ParserContext;
+import org.springframework.data.elasticsearch.client.RestClientFactoryBean;
+import org.w3c.dom.Element;
+
+/**
+ * @author Don Wellington
+ */
+public class RestClientBeanDefinitionParser extends AbstractBeanDefinitionParser {
+
+	@Override
+	protected AbstractBeanDefinition parseInternal(Element element, ParserContext parserContext) {
+		BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(RestClientFactoryBean.class);
+		setConfigurations(element, builder);
+		return getSourcedBeanDefinition(builder, element, parserContext);
+	}
+
+	private void setConfigurations(Element element, BeanDefinitionBuilder builder) {
+		builder.addPropertyValue("hosts", element.getAttribute("hosts"));
+	}
+
+	private AbstractBeanDefinition getSourcedBeanDefinition(BeanDefinitionBuilder builder, Element source,
+			ParserContext context) {
+		AbstractBeanDefinition definition = builder.getBeanDefinition();
+		definition.setSource(context.extractSource(source));
+		return definition;
+	}
+}

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2016 the original author or authors.
+ * Copyright 2013-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -43,11 +43,6 @@ public interface ElasticsearchOperations {
 	 */
 	ElasticsearchConverter getElasticsearchConverter();
 
-	/**
-	 * @return elasticsearch client
-	 */
-	Client getClient();
-
 	/**
 	 * Create an index for a class
 	 *

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

@@ -136,7 +136,7 @@ import org.springframework.util.StringUtils;
  * @author Ted Liang
  * @author Jean-Baptiste Nizet
  */
-public class ElasticsearchTemplate implements ElasticsearchOperations, ApplicationContextAware {
+public class ElasticsearchTemplate implements ElasticsearchOperations, EsClient<Client>, ApplicationContextAware {
 
 	private static final Logger QUERY_LOGGER = LoggerFactory.getLogger("org.springframework.data.elasticsearch.core.QUERY");
 	private static final Logger LOGGER = LoggerFactory.getLogger(ElasticsearchTemplate.class);

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

@@ -0,0 +1,26 @@
+/*
+ * Copyright 2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.elasticsearch.core;
+
+/**
+ * EsClient interface. Specify what client an ElasticSearchTemplate will return from getClient().
+ * 
+ * @author Don Wellington
+ * @param <C>
+ */
+public interface EsClient<C> {
+	C getClient();
+}

src/main/java/org/springframework/data/elasticsearch/core/client/support/AliasData.java

@@ -0,0 +1,34 @@
+/*
+ * Copyright 2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.springframework.data.elasticsearch.core.client.support;
+
+import lombok.Data;
+import lombok.Getter;
+
+import org.elasticsearch.cluster.metadata.AliasMetaData;
+
+import com.fasterxml.jackson.annotation.JsonCreator;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import com.fasterxml.jackson.annotation.JsonProperty;
+
+@JsonIgnoreProperties(ignoreUnknown=true)
+@Data
+public class AliasData {
+	String filter = null;
+	String routing = null;
+	String search_routing = null;
+	String index_routing= null;
+}

src/main/resources/META-INF/spring.schemas

@@ -1,2 +1,4 @@
 http\://www.springframework.org/schema/data/elasticsearch/spring-elasticsearch-1.0.xsd=org/springframework/data/elasticsearch/config/spring-elasticsearch-1.0.xsd
+http\://www.springframework.org/schema/data/elasticsearch/spring-elasticsearch-1.1.xsd=org/springframework/data/elasticsearch/config/spring-elasticsearch-1.1.xsd
 http\://www.springframework.org/schema/data/elasticsearch/spring-elasticsearch.xsd=org/springframework/data/elasticsearch/config/spring-elasticsearch-1.0.xsd
+http\://www.springframework.org/schema/data/elasticsearch/spring-elasticsearch.xsd=org/springframework/data/elasticsearch/config/spring-elasticsearch-1.1.xsd

src/main/resources/org/springframework/data/elasticsearch/config/spring-elasticsearch-1.1.xsd

@@ -0,0 +1,172 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<xsd:schema xmlns="http://www.springframework.org/schema/data/elasticsearch"
+            xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:beans="http://www.springframework.org/schema/beans"
+            xmlns:tool="http://www.springframework.org/schema/tool"
+            xmlns:repository="http://www.springframework.org/schema/data/repository"
+            targetNamespace="http://www.springframework.org/schema/data/elasticsearch"
+            elementFormDefault="qualified"
+            attributeFormDefault="unqualified">
+
+    <xsd:import namespace="http://www.springframework.org/schema/beans"/>
+    <xsd:import namespace="http://www.springframework.org/schema/tool"/>
+    <xsd:import namespace="http://www.springframework.org/schema/data/repository"
+                schemaLocation="http://www.springframework.org/schema/data/repository/spring-repository.xsd"/>
+
+    <xsd:element name="repositories">
+        <xsd:complexType>
+            <xsd:complexContent>
+                <xsd:extension base="repository:repositories">
+                    <xsd:attributeGroup ref="repository:repository-attributes"/>
+                    <xsd:attribute name="elasticsearch-template-ref" type="elasticsearchTemplateRef"
+                                   default="elasticsearchTemplate"/>
+                </xsd:extension>
+            </xsd:complexContent>
+        </xsd:complexType>
+    </xsd:element>
+
+    <xsd:simpleType name="elasticsearchTemplateRef">
+        <xsd:annotation>
+            <xsd:appinfo>
+                <tool:annotation kind="ref">
+                    <tool:assignable-to type="org.springframework.data.elasticsearch.core.ElasticsearchTemplate"/>
+                </tool:annotation>
+            </xsd:appinfo>
+        </xsd:annotation>
+        <xsd:union memberTypes="xsd:string"/>
+    </xsd:simpleType>
+
+    <xsd:element name="node-client">
+        <xsd:annotation>
+            <xsd:documentation/>
+            <xsd:appinfo>
+                <tool:assignable-to type="org.elasticsearch.client.Client"/>
+            </xsd:appinfo>
+        </xsd:annotation>
+        <xsd:complexType>
+            <xsd:complexContent>
+                <xsd:extension base="beans:identifiedType">
+                    <xsd:attribute name="local" type="xsd:boolean" default="false">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[local here means local on the JVM (well, actually class loader) level, meaning that two local servers started within the same JVM will discover themselves and form a cluster]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+                    <xsd:attribute name="cluster-name" type="xsd:string" default="elasticsearch">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[Name of the cluster in which this instance of node client will connect to]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+                    <xsd:attribute name="http-enabled" type="xsd:boolean" default="true">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[ to enable or disable http port ]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+                    <xsd:attribute name="path-data" type="xsd:string" default="">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[ path to the data folder for node client ]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+                    <xsd:attribute name="path-home" type="xsd:string" default="">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[ path to the home folder for node client ]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+                    <xsd:attribute name="path-configuration" type="xsd:string" default="">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[ path to configuration file for node client ]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+                </xsd:extension>
+            </xsd:complexContent>
+        </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="transport-client">
+        <xsd:annotation>
+            <xsd:documentation/>
+            <xsd:appinfo>
+                <tool:assignable-to type="org.elasticsearch.client.Client"/>
+            </xsd:appinfo>
+        </xsd:annotation>
+        <xsd:complexType>
+            <xsd:complexContent>
+                <xsd:extension base="beans:identifiedType">
+                    <xsd:attribute name="cluster-nodes" type="xsd:string" default="127.0.0.1:9300">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[The comma delimited list of host:port entries to use for elasticsearch cluster.]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+                    <xsd:attribute name="cluster-name" type="xsd:string" default="elasticsearch">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[Name of the cluster in which this instance of node client will connect to]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+                    <xsd:attribute name="client-transport-sniff" type="xsd:boolean" default="true">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[The client allows to sniff the rest of the cluster, and add those into its list of machines to use.]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+                    <xsd:attribute name="client-transport-ignore-cluster-name" type="xsd:boolean" default="false">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[Set to true to ignore cluster name validation of connected nodes. (since 0.19.4)]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+                    <xsd:attribute name="client-transport-ping-timeout" type="xsd:string" default="5s">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[The time to wait for a ping response from a node. Defaults to 5s.]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+                    <xsd:attribute name="client-transport-nodes-sampler-interval" type="xsd:string" default="5s">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[How often to sample / ping the nodes listed and connected. Defaults to 5s.]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+                </xsd:extension>
+            </xsd:complexContent>
+        </xsd:complexType>
+    </xsd:element>
+    <xsd:element name="rest-client">
+    	 <xsd:annotation>
+            <xsd:documentation/>
+            <xsd:appinfo>
+                <tool:assignable-to type="org.elasticsearch.client.RestHighLevelClient"/>
+            </xsd:appinfo>
+        </xsd:annotation>
+       	<xsd:complexType>
+            <xsd:complexContent>
+                <xsd:extension base="beans:identifiedType">
+                    <xsd:attribute name="hosts" type="xsd:string" default="http://127.0.0.1:9200">
+                        <xsd:annotation>
+                            <xsd:documentation>
+                                <![CDATA[The comma delimited list of host:port entries to use for elasticsearch cluster.]]>
+                            </xsd:documentation>
+                        </xsd:annotation>
+                    </xsd:attribute>
+               	</xsd:extension>
+			</xsd:complexContent>
+		</xsd:complexType>
+    </xsd:element>
+</xsd:schema>

src/test/java/org/springframework/data/elasticsearch/config/ElasticsearchNamespaceHandlerTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2013 the original author or authors.
+ * Copyright 2013-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -23,6 +23,7 @@ import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.ApplicationContext;
+import org.springframework.data.elasticsearch.client.RestClientFactoryBean;
 import org.springframework.data.elasticsearch.client.TransportClientFactoryBean;
 import org.springframework.data.elasticsearch.repositories.sample.SampleElasticsearchRepository;
 import org.springframework.test.context.ContextConfiguration;
@@ -31,6 +32,7 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 /**
  * @author Rizwan Idrees
  * @author Mohsin Husen
+ * @author Don Wellington
  */
 
 @RunWith(SpringJUnit4ClassRunner.class)
@@ -52,4 +54,10 @@ public class ElasticsearchNamespaceHandlerTests {
 		assertThat(context.getBean(SampleElasticsearchRepository.class),
 				is(instanceOf(SampleElasticsearchRepository.class)));
 	}
+	
+	@Test
+	public void shouldCreateRestClient() {
+		assertThat(context.getBean(RestClientFactoryBean.class), is(notNullValue()));
+		assertThat(context.getBean(RestClientFactoryBean.class), is(instanceOf(RestClientFactoryBean.class)));
+	}
 }

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2016 the original author or authors.
+ * Copyright 2013-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -21,6 +21,7 @@ import static org.hamcrest.CoreMatchers.*;
 import static org.junit.Assert.*;
 import static org.springframework.data.elasticsearch.utils.IndexBuilder.*;
 
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.math.BigDecimal;
 import java.util.Date;
@@ -45,13 +46,19 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
  * @author Mohsin Husen
  * @author Keivn Leturc
  * @author Nordine Bittich
+ * @author Don Wellington
  */
 @RunWith(SpringJUnit4ClassRunner.class)
 @ContextConfiguration("classpath:elasticsearch-template-test.xml")
 public class MappingBuilderTests {
 
-	@Autowired
+	@Autowired private ElasticsearchTemplate elasticsearchTemplate;
-	private ElasticsearchTemplate elasticsearchTemplate;
+
+	private String xContentBuilderToString(XContentBuilder builder) {
+		builder.close();
+		ByteArrayOutputStream bos = (ByteArrayOutputStream) builder.getOutputStream();
+		return bos.toString();
+	}
 
 	@Test
 	public void shouldNotFailOnCircularReference() {
@@ -63,43 +70,43 @@ public class MappingBuilderTests {
 
 	@Test
 	public void testInfiniteLoopAvoidance() throws IOException {
-		final String expected = "{\"mapping\":{\"properties\":{\"message\":{\"store\":true,\"" +
+		final String expected = "{\"mapping\":{\"properties\":{\"message\":{\"store\":true,\""
-				"type\":\"text\",\"index\":false," +
+				+ "type\":\"text\",\"index\":false," + "\"analyzer\":\"standard\"}}}}";
-				"\"analyzer\":\"standard\"}}}}";
 
 		XContentBuilder xContentBuilder = MappingBuilder.buildMapping(SampleTransientEntity.class, "mapping", "id", null);
-		assertThat(xContentBuilder.string(), is(expected));
+		assertThat(xContentBuilderToString(xContentBuilder), is(expected));
 	}
 
 	@Test
 	public void shouldUseValueFromAnnotationType() throws IOException {
-		//Given
+		// Given
 		final String expected = "{\"mapping\":{\"properties\":{\"price\":{\"store\":false,\"type\":\"double\"}}}}";
 
-		//When
+		// When
 		XContentBuilder xContentBuilder = MappingBuilder.buildMapping(StockPrice.class, "mapping", "id", null);
 
-		//Then
+		// Then
-		assertThat(xContentBuilder.string(), is(expected));
+		assertThat(xContentBuilderToString(xContentBuilder), is(expected));
 	}
 
 	@Test
 	public void shouldAddStockPriceDocumentToIndex() throws IOException {
-		//Given
+		// Given
 
-		//When
+		// When
 		elasticsearchTemplate.deleteIndex(StockPrice.class);
 		elasticsearchTemplate.createIndex(StockPrice.class);
 		elasticsearchTemplate.putMapping(StockPrice.class);
 		String symbol = "AU";
 		double price = 2.34;
 		String id = "abc";
-		elasticsearchTemplate.index(buildIndex(StockPrice.builder().id(id).symbol(symbol).price(new BigDecimal(price)).build()));
+		elasticsearchTemplate
+				.index(buildIndex(StockPrice.builder().id(id).symbol(symbol).price(new BigDecimal(price)).build()));
 		elasticsearchTemplate.refresh(StockPrice.class);
 
 		SearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(matchAllQuery()).build();
 		List<StockPrice> result = elasticsearchTemplate.queryForList(searchQuery, StockPrice.class);
-		//Then
+		// Then
 		assertThat(result.size(), is(1));
 		StockPrice entry = result.get(0);
 		assertThat(entry.getSymbol(), is(symbol));
@@ -110,7 +117,7 @@ public class MappingBuilderTests {
 	public void shouldCreateMappingForSpecifiedParentType() throws IOException {
 		final String expected = "{\"mapping\":{\"_parent\":{\"type\":\"parentType\"},\"properties\":{}}}";
 		XContentBuilder xContentBuilder = MappingBuilder.buildMapping(MinimalEntity.class, "mapping", "id", "parentType");
-		assertThat(xContentBuilder.string(), is(expected));
+		assertThat(xContentBuilderToString(xContentBuilder), is(expected));
 	}
 
 	/*
@@ -118,13 +125,12 @@ public class MappingBuilderTests {
 	 */
 	@Test
 	public void shouldBuildMappingWithSuperclass() throws IOException {
-		final String expected = "{\"mapping\":{\"properties\":{\"message\":{\"store\":true,\"" +
+		final String expected = "{\"mapping\":{\"properties\":{\"message\":{\"store\":true,\""
-				"type\":\"text\",\"index\":false,\"analyzer\":\"standard\"}" +
+				+ "type\":\"text\",\"index\":false,\"analyzer\":\"standard\"}" + ",\"createdDate\":{\"store\":false,"
-				",\"createdDate\":{\"store\":false," +
+				+ "\"type\":\"date\",\"index\":false}}}}";
-				"\"type\":\"date\",\"index\":false}}}}";
 
 		XContentBuilder xContentBuilder = MappingBuilder.buildMapping(SampleInheritedEntity.class, "mapping", "id", null);
-		assertThat(xContentBuilder.string(), is(expected));
+		assertThat(xContentBuilderToString(xContentBuilder), is(expected));
 	}
 
 	/*
@@ -132,21 +138,22 @@ public class MappingBuilderTests {
 	 */
 	@Test
 	public void shouldAddSampleInheritedEntityDocumentToIndex() throws IOException {
-		//Given
+		// Given
 
-		//When
+		// When
 		elasticsearchTemplate.deleteIndex(SampleInheritedEntity.class);
 		elasticsearchTemplate.createIndex(SampleInheritedEntity.class);
 		elasticsearchTemplate.putMapping(SampleInheritedEntity.class);
 		Date createdDate = new Date();
 		String message = "msg";
 		String id = "abc";
-		elasticsearchTemplate.index(new SampleInheritedEntityBuilder(id).createdDate(createdDate).message(message).buildIndex());
+		elasticsearchTemplate
+				.index(new SampleInheritedEntityBuilder(id).createdDate(createdDate).message(message).buildIndex());
 		elasticsearchTemplate.refresh(SampleInheritedEntity.class);
 
 		SearchQuery searchQuery = new NativeSearchQueryBuilder().withQuery(matchAllQuery()).build();
 		List<SampleInheritedEntity> result = elasticsearchTemplate.queryForList(searchQuery, SampleInheritedEntity.class);
-		//Then
+		// Then
 		assertThat(result.size(), is(1));
 		SampleInheritedEntity entry = result.get(0);
 		assertThat(entry.getCreatedDate(), is(createdDate));
@@ -155,13 +162,13 @@ public class MappingBuilderTests {
 
 	@Test
 	public void shouldBuildMappingsForGeoPoint() throws IOException {
-		//given
+		// given
 
-		//when
+		// when
 		XContentBuilder xContentBuilder = MappingBuilder.buildMapping(GeoEntity.class, "mapping", "id", null);
 
-		//then
+		// then
-		final String result = xContentBuilder.string();
+		final String result = xContentBuilderToString(xContentBuilder);
 
 		assertThat(result, containsString("\"pointA\":{\"type\":\"geo_point\""));
 		assertThat(result, containsString("\"pointB\":{\"type\":\"geo_point\""));
@@ -174,40 +181,40 @@ public class MappingBuilderTests {
 	 */
 	@Test
 	public void shouldHandleReverseRelationship() {
-		//given
+		// given
 		elasticsearchTemplate.createIndex(User.class);
 		elasticsearchTemplate.putMapping(User.class);
 		elasticsearchTemplate.createIndex(Group.class);
 		elasticsearchTemplate.putMapping(Group.class);
-		//when
+		// when
 
-		//then
+		// then
 
 	}
 
 	@Test
 	public void shouldMapBooks() {
-		//given
+		// given
 		elasticsearchTemplate.createIndex(Book.class);
 		elasticsearchTemplate.putMapping(Book.class);
-		//when
+		// when
-		//then
+		// then
 
 	}
 
 	@Test // DATAES-420
 	public void shouldUseBothAnalyzer() {
-		//given
+		// given
 		elasticsearchTemplate.deleteIndex(Book.class);
 		elasticsearchTemplate.createIndex(Book.class);
 		elasticsearchTemplate.putMapping(Book.class);
 
-		//when
+		// when
 		Map mapping = elasticsearchTemplate.getMapping(Book.class);
 		Map descriptionMapping = (Map) ((Map) mapping.get("properties")).get("description");
 		Map prefixDescription = (Map) ((Map) descriptionMapping.get("fields")).get("prefix");
 
-		//then
+		// then
 		assertThat(prefixDescription.size(), is(3));
 		assertThat(prefixDescription.get("type"), equalTo("text"));
 		assertThat(prefixDescription.get("analyzer"), equalTo("stop"));

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

@@ -1,5 +1,5 @@
 /*
- * Copyright 2013-2014 the original author or authors.
+ * Copyright 2013-2018 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -16,6 +16,7 @@
 package org.springframework.data.elasticsearch.core;
 
 import java.beans.IntrospectionException;
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 
 import org.elasticsearch.common.xcontent.XContentBuilder;
@@ -26,6 +27,7 @@ import org.springframework.data.elasticsearch.entities.SampleDateMappingEntity;
 /**
  * @author Jakub Vavrik
  * @author Mohsin Husen
+ * @author Don Wellington
  */
 public class SimpleElasticsearchDateMappingTests {
 
@@ -37,6 +39,9 @@ public class SimpleElasticsearchDateMappingTests {
 	@Test
 	public void testCorrectDateMappings() throws NoSuchFieldException, IntrospectionException, IOException {
 		XContentBuilder xContentBuilder = MappingBuilder.buildMapping(SampleDateMappingEntity.class, "mapping", "id", null);
-		Assert.assertEquals(EXPECTED_MAPPING, xContentBuilder.string());
+		xContentBuilder.close();
+		ByteArrayOutputStream bos = (ByteArrayOutputStream) xContentBuilder.getOutputStream();
+		String result = bos.toString();
+		Assert.assertEquals(EXPECTED_MAPPING, result);
 	}
 }

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

@@ -0,0 +1,42 @@
+/*
+ * Copyright 2018 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */package org.springframework.data.elasticsearch.repositories;
+
+import org.junit.Before;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate;
+import org.springframework.data.elasticsearch.entities.SampleEntity;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringRunner;
+
+/**
+ * 
+ * @author Don Wellington
+ *
+ */
+@RunWith(SpringRunner.class)
+@ContextConfiguration("classpath:custom-method-repository-rest-test.xml")
+public class CustomMethodRepositoryRestTests extends CustomMethodRepositoryBaseTests {
+	@Autowired private ElasticsearchRestTemplate elasticsearchTemplate;
+
+	@Before
+	public void before() {
+		elasticsearchTemplate.deleteIndex(SampleEntity.class);
+		elasticsearchTemplate.createIndex(SampleEntity.class);
+		elasticsearchTemplate.putMapping(SampleEntity.class);
+		elasticsearchTemplate.refresh(SampleEntity.class);
+	}
+}

src/test/resources/custom-method-repository-rest-test.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:elasticsearch="http://www.springframework.org/schema/data/elasticsearch"
+       xsi:schemaLocation="http://www.springframework.org/schema/data/elasticsearch http://www.springframework.org/schema/data/elasticsearch/spring-elasticsearch-1.0.xsd
+		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd">
+
+    <import resource="elasticsearch-rest-template-test.xml"/>
+
+    <elasticsearch:repositories
+            base-package="org.springframework.data.elasticsearch.repositories.custom"/>
+
+</beans>

src/test/resources/elasticsearch-rest-template-test.xml

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<beans xmlns="http://www.springframework.org/schema/beans"
+       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+       xmlns:elasticsearch="http://www.springframework.org/schema/data/elasticsearch"
+       xsi:schemaLocation="http://www.springframework.org/schema/data/elasticsearch http://www.springframework.org/schema/data/elasticsearch/spring-elasticsearch.xsd
+		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
+
+    <import resource="infrastructure.xml"/>
+
+    <bean name="elasticsearchTemplate"
+          class="org.springframework.data.elasticsearch.core.ElasticsearchRestTemplate">
+        <constructor-arg name="client" ref="restClient"/>
+    </bean>
+    
+    <elasticsearch:rest-client id="restClient"/>
+
+</beans>

src/test/resources/infrastructure.xml

@@ -6,7 +6,7 @@
 		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
 
     <elasticsearch:node-client id="client" local="true" cluster-name="#{T(java.util.UUID).randomUUID().toString()}"
-                               http-enabled="false" path-data="target/elasticsearchTestData" path-home="src/test/resources/test-home-dir"
+                               http-enabled="true" path-data="target/elasticsearchTestData" path-home="src/test/resources/test-home-dir"
                                path-configuration="node-client-configuration.yml"/>
 
     <!-- ip4 -->

src/test/resources/org/springframework/data/elasticsearch/config/namespace.xml

@@ -2,7 +2,7 @@
 <beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns:elasticsearch="http://www.springframework.org/schema/data/elasticsearch"
-       xsi:schemaLocation="http://www.springframework.org/schema/data/elasticsearch http://www.springframework.org/schema/data/elasticsearch/spring-elasticsearch-1.0.xsd
+       xsi:schemaLocation="http://www.springframework.org/schema/data/elasticsearch http://www.springframework.org/schema/data/elasticsearch/spring-elasticsearch-1.1.xsd
 		http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd">
 
     <elasticsearch:node-client id="client" local="true"
@@ -19,4 +19,6 @@
     <elasticsearch:repositories
             base-package="org.springframework.data.elasticsearch.repositories.sample"/>
     
+    <elasticsearch:rest-client id="restClient"/>
+
 </beans>

src/test/resources/test-home-dir/modules/lang-expression/plugin-descriptor.properties

@@ -37,7 +37,7 @@ classname=org.elasticsearch.script.expression.ExpressionPlugin
 java.version=1.8
 #
 # 'elasticsearch.version': version of elasticsearch compiled against
-elasticsearch.version=6.2.2
+elasticsearch.version=6.3.0
 ### optional elements for plugins:
 #
 #  'extended.plugins': other plugins this plugin extends through SPI
@@ -47,4 +47,4 @@ extended.plugins=
 has.native.controller=false
 #
 # 'requires.keystore': whether or not the plugin needs the elasticsearch keystore be created
-requires.keystore=false
+#requires.keystore=false