Fixed issue related to nested objects

src/test/java/org/springframework/data/elasticsearch/Author.java

@@ -0,0 +1,22 @@
+package org.springframework.data.elasticsearch;
+
+public class Author {
+        private String name;
+        private String id;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+}

src/test/java/org/springframework/data/elasticsearch/Book.java

@@ -0,0 +1,34 @@
+package org.springframework.data.elasticsearch;
+
+import org.springframework.data.elasticsearch.annotations.Document;
+
+@Document(indexName = "book",type = "book")
+public class Book {
+        private String id;
+        private String name;
+        private Author author;
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Author getAuthor() {
+        return author;
+    }
+
+    public void setAuthor(Author author) {
+        this.author = author;
+    }
+}

src/test/java/org/springframework/data/elasticsearch/NestedObjectTest.java

@@ -0,0 +1,43 @@
+package org.springframework.data.elasticsearch;
+
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.data.elasticsearch.repositories.SampleElasticSearchBookRepository;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import javax.annotation.Resource;
+
+
+import static org.apache.commons.lang.RandomStringUtils.randomAlphanumeric;
+import static org.hamcrest.Matchers.is;
+import static org.hamcrest.Matchers.notNullValue;
+import static org.junit.Assert.assertThat;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration("classpath:/repository-test-nested-object.xml")
+public class NestedObjectTest{
+
+    @Resource
+    private SampleElasticSearchBookRepository repository;
+
+
+    @Test
+    public void shouldIndexNestedObject(){
+        //given
+        String id = randomAlphanumeric(5);
+        Book book = new Book();
+        book.setId(id);
+        book.setName("xyz");
+        Author author = new Author();
+        author.setId("1");
+        author.setName("ABC");
+        book.setAuthor(author);
+         //when
+        repository.save(book);
+        //then
+        assertThat(repository.findOne(id), is(notNullValue()));
+    }
+}
+

src/test/java/org/springframework/data/elasticsearch/NonDocumentEntity.java

@@ -1,11 +1,12 @@
 package org.springframework.data.elasticsearch;
 
 
-import org.springframework.data.elasticsearch.annotations.Document;
+import org.springframework.data.annotation.Id;
 
-@Document(indexName = "Foo")
 public class NonDocumentEntity {
 
+    @Id
+    private String someId;
     private String someField1;
     private String someField2;
 

src/test/java/org/springframework/data/elasticsearch/NonDocumentEntityTest.java

@@ -0,0 +1,24 @@
+package org.springframework.data.elasticsearch;
+
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.data.elasticsearch.repositories.NonDocumentEntityRepository;
+import org.springframework.test.context.ContextConfiguration;
+import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
+
+import javax.annotation.Resource;
+
+@RunWith(SpringJUnit4ClassRunner.class)
+@ContextConfiguration("classpath:/repository-non-document-entity.xml")
+public class NonDocumentEntityTest {
+
+    @Resource
+    private NonDocumentEntityRepository nonDocumentEntityRepository;
+
+    @Test(expected = IllegalArgumentException.class)
+    public void shouldNotIndexEntitiesWhichAreNotADocument(){
+        //when
+        nonDocumentEntityRepository.save(new NonDocumentEntity());
+    }
+}

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

@@ -333,6 +333,4 @@ public class ElasticsearchTemplateTest {
         assertThat(sampleEntity1, is(notNullValue()));
     }
 
-
-
 }

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

@@ -16,7 +16,6 @@ import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
 
 import javax.annotation.Resource;
 
-import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.List;
 

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

@@ -0,0 +1,8 @@
+package org.springframework.data.elasticsearch.repositories;
+
+import org.springframework.data.elasticsearch.NonDocumentEntity;
+import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
+
+
+public interface NonDocumentEntityRepository extends ElasticsearchRepository<NonDocumentEntity,String> {
+}

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

@@ -0,0 +1,7 @@
+package org.springframework.data.elasticsearch.repositories;
+
+import org.springframework.data.elasticsearch.Book;
+import org.springframework.data.elasticsearch.repository.ElasticsearchRepository;
+
+public interface SampleElasticSearchBookRepository  extends ElasticsearchRepository<Book,String> {
+}