Auto-configure Elasticsearch converter and context

Extend ElasticsearchDataAutoConfiguration to also configure an
ElasticsearchConverter and SimpleElasticsearchMappingContext both
of which are required for Spring Data REST.

Closes gh-3847

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/data/elasticsearch/ElasticsearchDataAutoConfiguration.java

@@ -25,6 +25,9 @@ import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;
+import org.springframework.data.elasticsearch.core.convert.ElasticsearchConverter;
+import org.springframework.data.elasticsearch.core.convert.MappingElasticsearchConverter;
+import org.springframework.data.elasticsearch.core.mapping.SimpleElasticsearchMappingContext;
 import org.springframework.data.elasticsearch.repository.config.EnableElasticsearchRepositories;
 
 /**
@@ -46,8 +49,27 @@ public class ElasticsearchDataAutoConfiguration {
 
 	@Bean
 	@ConditionalOnMissingBean
-	public ElasticsearchTemplate elasticsearchTemplate(Client client) {
-		return new ElasticsearchTemplate(client);
+	public ElasticsearchTemplate elasticsearchTemplate(Client client,
+			ElasticsearchConverter converter) {
+		try {
+			return new ElasticsearchTemplate(client, converter);
+		}
+		catch (Exception ex) {
+			throw new IllegalStateException(ex);
+		}
+	}
+
+	@Bean
+	@ConditionalOnMissingBean
+	public ElasticsearchConverter elasticsearchConverter(
+			SimpleElasticsearchMappingContext mappingContext) {
+		return new MappingElasticsearchConverter(mappingContext);
+	}
+
+	@Bean
+	@ConditionalOnMissingBean
+	public SimpleElasticsearchMappingContext mappingContext() {
+		return new SimpleElasticsearchMappingContext();
 	}
 
 }

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/data/elasticsearch/ElasticsearchDataAutoConfigurationTests.java

@@ -23,6 +23,8 @@ import org.springframework.boot.autoconfigure.PropertyPlaceholderAutoConfigurati
 import org.springframework.boot.test.EnvironmentTestUtils;
 import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 import org.springframework.data.elasticsearch.core.ElasticsearchTemplate;
+import org.springframework.data.elasticsearch.core.convert.ElasticsearchConverter;
+import org.springframework.data.elasticsearch.core.mapping.SimpleElasticsearchMappingContext;
 
 import static org.junit.Assert.assertEquals;
 
@@ -30,6 +32,7 @@ import static org.junit.Assert.assertEquals;
  * Tests for {@link ElasticsearchDataAutoConfiguration}.
  *
  * @author Phillip Webb
+ * @author Artur Konczak
  */
 public class ElasticsearchDataAutoConfigurationTests {
 
@@ -56,4 +59,32 @@ public class ElasticsearchDataAutoConfigurationTests {
 				this.context.getBeanNamesForType(ElasticsearchTemplate.class).length);
 	}
 
+	@Test
+	public void mappingContextExists() {
+		this.context = new AnnotationConfigApplicationContext();
+		EnvironmentTestUtils.addEnvironment(this.context,
+				"spring.data.elasticsearch.properties.path.data:target/data",
+				"spring.data.elasticsearch.properties.path.logs:target/logs");
+		this.context.register(PropertyPlaceholderAutoConfiguration.class,
+				ElasticsearchAutoConfiguration.class,
+				ElasticsearchDataAutoConfiguration.class);
+		this.context.refresh();
+		assertEquals(1, this.context
+				.getBeanNamesForType(SimpleElasticsearchMappingContext.class).length);
+	}
+
+	@Test
+	public void converterExists() {
+		this.context = new AnnotationConfigApplicationContext();
+		EnvironmentTestUtils.addEnvironment(this.context,
+				"spring.data.elasticsearch.properties.path.data:target/data",
+				"spring.data.elasticsearch.properties.path.logs:target/logs");
+		this.context.register(PropertyPlaceholderAutoConfiguration.class,
+				ElasticsearchAutoConfiguration.class,
+				ElasticsearchDataAutoConfiguration.class);
+		this.context.refresh();
+		assertEquals(1,
+				this.context.getBeanNamesForType(ElasticsearchConverter.class).length);
+	}
+
 }