DATACOUCH-560 - Serialization of CouchbaseDocument and CouchbaseList.

Add support for saving document with lists and composed objects.
Convert CouchbaseDocument/CouchbaseList to Map/List before saving.

src/main/java/org/springframework/data/couchbase/core/ReactiveInsertByIdOperationSupport.java

@@ -68,7 +68,7 @@ public class ReactiveInsertByIdOperationSupport implements ReactiveInsertByIdOpe
 			return Mono.just(object).flatMap(o -> {
 				CouchbaseDocument converted = template.support().encodeEntity(o);
 				return template.getCollection(collection).reactive()
-						.insert(converted.getId(), converted.getContent(), buildInsertOptions()).map(result -> {
+						.insert(converted.getId(), converted.export(), buildInsertOptions()).map(result -> {
 							template.support().applyUpdatedCas(object, result.cas());
 							return o;
 						});

src/main/java/org/springframework/data/couchbase/core/ReactiveReplaceByIdOperationSupport.java

@@ -68,7 +68,7 @@ public class ReactiveReplaceByIdOperationSupport implements ReactiveReplaceByIdO
 			return Mono.just(object).flatMap(o -> {
 				CouchbaseDocument converted = template.support().encodeEntity(o);
 				return template.getCollection(collection).reactive()
-						.replace(converted.getId(), converted.getContent(), buildReplaceOptions()).map(result -> {
+						.replace(converted.getId(), converted.export(), buildReplaceOptions()).map(result -> {
 							template.support().applyUpdatedCas(object, result.cas());
 							return o;
 						});

src/main/java/org/springframework/data/couchbase/core/ReactiveUpsertByIdOperationSupport.java

@@ -68,7 +68,7 @@ public class ReactiveUpsertByIdOperationSupport implements ReactiveUpsertByIdOpe
 			return Mono.just(object).flatMap(o -> {
 				CouchbaseDocument converted = template.support().encodeEntity(o);
 				return template.getCollection(collection).reactive()
-						.upsert(converted.getId(), converted.getContent(), buildUpsertOptions()).map(result -> {
+						.upsert(converted.getId(), converted.export(), buildUpsertOptions()).map(result -> {
 							template.support().applyUpdatedCas(object, result.cas());
 							return o;
 						});

src/test/java/org/springframework/data/couchbase/domain/Library.java

@@ -0,0 +1,63 @@
+/*
+ * Copyright 2012-2020 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
+ *
+ *        https://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.couchbase.domain;
+
+import java.util.List;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.couchbase.core.mapping.Document;
+
+@Document
+public class Library {
+
+	@Id String id;
+	List<String> books;
+
+	public Library(String id, List<String> books) {
+		this.id = id;
+		this.books = books;
+	}
+
+	public String getId() {
+		return id;
+	}
+
+	public List<String> getBooks() {
+		return books;
+	}
+
+	@Override
+	public boolean equals(Object o) {
+		if (this == o)
+			return true;
+		if (o == null || getClass() != o.getClass())
+			return false;
+
+		Library library = (Library) o;
+
+		if (id != null ? !id.equals(library.id) : library.id != null)
+			return false;
+		return books != null ? books.equals(library.books) : library.books == null;
+	}
+
+	@Override
+	public int hashCode() {
+		int result = id != null ? id.hashCode() : 0;
+		result = 31 * result + (books != null ? books.hashCode() : 0);
+		return result;
+	}
+
+}

src/test/java/org/springframework/data/couchbase/domain/LibraryRepository.java

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2012-2020 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
+ *
+ *        https://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.couchbase.domain;
+
+import org.springframework.data.repository.PagingAndSortingRepository;
+import org.springframework.stereotype.Repository;
+
+/**
+ * Library Repository for tests
+ * 
+ * @author Andrea Torlaschi
+ */
+@Repository
+public interface LibraryRepository extends PagingAndSortingRepository<Library, String> {
+
+}

src/test/java/org/springframework/data/couchbase/repository/CouchbaseRepositoryKeyValueIntegrationTests.java

@@ -18,6 +18,8 @@ package org.springframework.data.couchbase.repository;
 
 import static org.junit.jupiter.api.Assertions.*;
 
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Optional;
 import java.util.UUID;
 
@@ -25,6 +27,8 @@ import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.data.couchbase.config.AbstractCouchbaseConfiguration;
+import org.springframework.data.couchbase.domain.Library;
+import org.springframework.data.couchbase.domain.LibraryRepository;
 import org.springframework.data.couchbase.domain.User;
 import org.springframework.data.couchbase.domain.UserRepository;
 import org.springframework.data.couchbase.repository.config.EnableCouchbaseRepositories;
@@ -44,6 +48,7 @@ import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
 public class CouchbaseRepositoryKeyValueIntegrationTests extends ClusterAwareIntegrationTests {
 
 	@Autowired UserRepository userRepository;
+	@Autowired LibraryRepository libraryRepository;
 
 	@Test
 	@IgnoreWhen(clusterTypes = ClusterType.MOCKED)
@@ -62,6 +67,28 @@ public class CouchbaseRepositoryKeyValueIntegrationTests extends ClusterAwareInt
 		userRepository.delete(user);
 	}
 
+	@Test // DATACOUCH-564
+	@IgnoreWhen(clusterTypes = ClusterType.MOCKED)
+	void saveAndFindByIdWithList() {
+		List<String> books = new ArrayList<>();
+		books.add("book1");
+		books.add("book2");
+		Library library = new Library(UUID.randomUUID().toString(), books);
+		// this currently fails when using mocked in integration.properties with status "UNKNOWN"
+		assertFalse(libraryRepository.existsById(library.getId()));
+
+		libraryRepository.save(library);
+
+		Optional<Library> found = libraryRepository.findById(library.getId());
+		assertTrue(found.isPresent());
+		found.ifPresent(l -> assertEquals(library, l));
+
+		assertTrue(userRepository.existsById(library.getId()));
+		libraryRepository.delete(library);
+
+		assertFalse(userRepository.existsById(library.getId()));
+	}
+
 	@Configuration
 	@EnableCouchbaseRepositories("org.springframework.data.couchbase")
 	static class Config extends AbstractCouchbaseConfiguration {