Rename Embedded annotation to Unwrapped.

The meaning of embedding a Document in MongoDB is different compared to column based stores. Typically the term is used for a Document in Document approach and not for flattening out a values into the enclosing Document.

Closes: #3600
Original pull request: #3604.

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/MappingMongoConverter.java

@@ -62,10 +62,10 @@ import org.springframework.data.mapping.model.SpELExpressionEvaluator;
 import org.springframework.data.mapping.model.SpELExpressionParameterValueProvider;
 import org.springframework.data.mongodb.CodecRegistryProvider;
 import org.springframework.data.mongodb.MongoDatabaseFactory;
-import org.springframework.data.mongodb.core.mapping.Embedded;
-import org.springframework.data.mongodb.core.mapping.Embedded.OnEmpty;
 import org.springframework.data.mongodb.core.mapping.MongoPersistentEntity;
 import org.springframework.data.mongodb.core.mapping.MongoPersistentProperty;
+import org.springframework.data.mongodb.core.mapping.Unwrapped;
+import org.springframework.data.mongodb.core.mapping.Unwrapped.OnEmpty;
 import org.springframework.data.mongodb.core.mapping.event.AfterConvertCallback;
 import org.springframework.data.mongodb.core.mapping.event.AfterConvertEvent;
 import org.springframework.data.mongodb.core.mapping.event.AfterLoadEvent;
@@ -447,10 +447,10 @@ public class MappingMongoConverter extends AbstractMongoConverter implements App
 				continue;
 			}
 
-			if (prop.isEmbedded()) {
+			if (prop.isUnwrapped()) {
 
 				accessor.setProperty(prop,
-						readEmbedded(context, documentAccessor, prop, mappingContext.getRequiredPersistentEntity(prop)));
+						readUnwrapped(context, documentAccessor, prop, mappingContext.getRequiredPersistentEntity(prop)));
 				continue;
 			}
 
@@ -500,17 +500,17 @@ public class MappingMongoConverter extends AbstractMongoConverter implements App
 	}
 
 	@Nullable
-	private Object readEmbedded(ConversionContext context, DocumentAccessor documentAccessor,
+	private Object readUnwrapped(ConversionContext context, DocumentAccessor documentAccessor,
 			MongoPersistentProperty prop,
-			MongoPersistentEntity<?> embeddedEntity) {
+			MongoPersistentEntity<?> unwrappedEntity) {
 
-		if (prop.findAnnotation(Embedded.class).onEmpty().equals(OnEmpty.USE_EMPTY)) {
-			return read(context, embeddedEntity, (Document) documentAccessor.getDocument());
+		if (prop.findAnnotation(Unwrapped.class).onEmpty().equals(OnEmpty.USE_EMPTY)) {
+			return read(context, unwrappedEntity, (Document) documentAccessor.getDocument());
 		}
 
-		for (MongoPersistentProperty persistentProperty : embeddedEntity) {
+		for (MongoPersistentProperty persistentProperty : unwrappedEntity) {
 			if (documentAccessor.hasValue(persistentProperty)) {
-				return read(context, embeddedEntity, (Document) documentAccessor.getDocument());
+				return read(context, unwrappedEntity, (Document) documentAccessor.getDocument());
 			}
 		}
 		return null;
@@ -680,7 +680,7 @@ public class MappingMongoConverter extends AbstractMongoConverter implements App
 		TypeInformation<?> valueType = ClassTypeInformation.from(obj.getClass());
 		TypeInformation<?> type = prop.getTypeInformation();
 
-		if (prop.isEmbedded()) {
+		if (prop.isUnwrapped()) {
 
 			Document target = new Document();
 			writeInternal(obj, target, mappingContext.getPersistentEntity(prop));

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/QueryMapper.java

@@ -144,7 +144,7 @@ public class QueryMapper {
 				Field field = createPropertyField(entity, key, mappingContext);
 
 				// TODO: move to dedicated method
-				if (field.getProperty() != null && field.getProperty().isEmbedded()) {
+				if (field.getProperty() != null && field.getProperty().isUnwrapped()) {
 
 					Object theNestedObject = BsonUtils.get(query, key);
 					Document mappedValue = (Document) getMappedValue(field, theNestedObject);
@@ -189,13 +189,13 @@ public class QueryMapper {
 			return new Document();
 		}
 
-		sortObject = filterEmbeddedObjects(sortObject, entity);
+		sortObject = filterUnwrappedObjects(sortObject, entity);
 
 		Document mappedSort = new Document();
 		for (Map.Entry<String, Object> entry : BsonUtils.asMap(sortObject).entrySet()) {
 
 			Field field = createPropertyField(entity, entry.getKey(), mappingContext);
-			if (field.getProperty() != null && field.getProperty().isEmbedded()) {
+			if (field.getProperty() != null && field.getProperty().isUnwrapped()) {
 				continue;
 			}
 
@@ -219,7 +219,7 @@ public class QueryMapper {
 
 		Assert.notNull(fieldsObject, "FieldsObject must not be null!");
 
-		fieldsObject = filterEmbeddedObjects(fieldsObject, entity);
+		fieldsObject = filterUnwrappedObjects(fieldsObject, entity);
 
 		Document mappedFields = getMappedObject(fieldsObject, entity);
 		mapMetaAttributes(mappedFields, entity, MetaMapping.FORCE);
@@ -241,7 +241,7 @@ public class QueryMapper {
 		}
 	}
 
-	private Document filterEmbeddedObjects(Document fieldsObject, @Nullable MongoPersistentEntity<?> entity) {
+	private Document filterUnwrappedObjects(Document fieldsObject, @Nullable MongoPersistentEntity<?> entity) {
 
 		if (fieldsObject.isEmpty() || entity == null) {
 			return fieldsObject;
@@ -258,13 +258,13 @@ public class QueryMapper {
 						.getPersistentPropertyPath(path);
 				MongoPersistentProperty property = mappingContext.getPersistentPropertyPath(path).getRequiredLeafProperty();
 
-				if (property.isEmbedded() && property.isEntity()) {
+				if (property.isUnwrapped() && property.isEntity()) {
 
-					MongoPersistentEntity<?> embeddedEntity = mappingContext.getRequiredPersistentEntity(property);
+					MongoPersistentEntity<?> unwrappedEntity = mappingContext.getRequiredPersistentEntity(property);
 
-					for (MongoPersistentProperty embedded : embeddedEntity) {
+					for (MongoPersistentProperty unwrappedProperty : unwrappedEntity) {
 
-						DotPath dotPath = DotPath.from(persistentPropertyPath.toDotPath()).append(embedded.getName());
+						DotPath dotPath = DotPath.from(persistentPropertyPath.toDotPath()).append(unwrappedProperty.getName());
 						target.put(dotPath.toString(), field.getValue());
 					}
 
@@ -564,7 +564,7 @@ public class QueryMapper {
 	@Nullable
 	protected Object delegateConvertToMongoType(Object source, @Nullable MongoPersistentEntity<?> entity) {
 
-		if (entity != null && entity.isEmbedded()) {
+		if (entity != null && entity.isUnwrapped()) {
 			return converter.convertToMongoType(source, entity);
 		}
 

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/convert/UpdateMapper.java

@@ -133,7 +133,7 @@ public class UpdateMapper extends QueryMapper {
 	@Override
 	protected Object delegateConvertToMongoType(Object source, @Nullable MongoPersistentEntity<?> entity) {
 
-		if(entity != null && entity.isEmbedded()) {
+		if(entity != null && entity.isUnwrapped()) {
 			return converter.convertToMongoType(source, entity);
 		}
 

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/index/MongoPersistentEntityIndexResolver.java

@@ -137,7 +137,7 @@ public class MongoPersistentEntityIndexResolver implements IndexResolver {
 		try {
 			if (persistentProperty.isEntity()) {
 				indexes.addAll(resolveIndexForEntity(mappingContext.getPersistentEntity(persistentProperty),
-						persistentProperty.isEmbedded() ? "" : persistentProperty.getFieldName(), Path.of(persistentProperty),
+						persistentProperty.isUnwrapped() ? "" : persistentProperty.getFieldName(), Path.of(persistentProperty),
 						root.getCollection(), guard));
 			}
 
@@ -187,7 +187,7 @@ public class MongoPersistentEntityIndexResolver implements IndexResolver {
 
 		DotPath propertyDotPath = DotPath.from(dotPath);
 
-		if (!persistentProperty.isEmbedded()) {
+		if (!persistentProperty.isUnwrapped()) {
 			propertyDotPath = propertyDotPath.append(persistentProperty.getFieldName());
 		}
 
@@ -216,11 +216,11 @@ public class MongoPersistentEntityIndexResolver implements IndexResolver {
 
 		List<IndexDefinitionHolder> indices = new ArrayList<>(2);
 
-		if (persistentProperty.isEmbedded() && (persistentProperty.isAnnotationPresent(Indexed.class)
+		if (persistentProperty.isUnwrapped() && (persistentProperty.isAnnotationPresent(Indexed.class)
 				|| persistentProperty.isAnnotationPresent(HashIndexed.class)
 				|| persistentProperty.isAnnotationPresent(GeoSpatialIndexed.class))) {
 			throw new InvalidDataAccessApiUsageException(
-					String.format("Index annotation not allowed on embedded object for path '%s'.", dotPath));
+					String.format("Index annotation not allowed on unwrapped object for path '%s'.", dotPath));
 		}
 
 		if (persistentProperty.isAnnotationPresent(Indexed.class)) {

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/mapping/MongoMappingContext.java

@@ -133,10 +133,10 @@ public class MongoMappingContext extends AbstractMappingContext<MongoPersistentE
 
 		MongoPersistentEntity<?> entity = super.getPersistentEntity(persistentProperty);
 
-		if(entity == null || !persistentProperty.isEmbedded()) {
+		if(entity == null || !persistentProperty.isUnwrapped()) {
 			return entity;
 		}
 
-		return new EmbeddedMongoPersistentEntity<>(entity, new EmbeddedEntityContext(persistentProperty));
+		return new UnwrappedMongoPersistentEntity<>(entity, new UnwrapEntityContext(persistentProperty));
 	}
 }

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/mapping/MongoPersistentEntity.java

@@ -95,10 +95,10 @@ public interface MongoPersistentEntity<T> extends MutablePersistentEntity<T, Mon
 	}
 
 	/**
-	 * @return {@literal true} if the entity should be embedded.
+	 * @return {@literal true} if the entity should be unwrapped.
 	 * @since 3.2
 	 */
-	default boolean isEmbedded() {
+	default boolean isUnwrapped() {
 		return false;
 	}
 

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/mapping/MongoPersistentProperty.java

@@ -124,11 +124,11 @@ public interface MongoPersistentProperty extends PersistentProperty<MongoPersist
 	}
 
 	/**
-	 * @return {@literal true} if the property should be embedded.
+	 * @return {@literal true} if the property should be unwrapped.
 	 * @since 3.2
 	 */
-	default boolean isEmbedded() {
-		return isEntity() && isAnnotationPresent(Embedded.class);
+	default boolean isUnwrapped() {
+		return isEntity() && isAnnotationPresent(Unwrapped.class);
 	}
 
 	/**
@@ -145,7 +145,7 @@ public interface MongoPersistentProperty extends PersistentProperty<MongoPersist
 		 * @see org.springframework.core.convert.converter.Converter#convert(java.lang.Object)
 		 */
 		public String convert(MongoPersistentProperty source) {
-			if (!source.isEmbedded()) {
+			if (!source.isUnwrapped()) {
 				return source.getFieldName();
 			}
 			return "";

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/mapping/UnwrapEntityContext.java

@@ -19,11 +19,11 @@ package org.springframework.data.mongodb.core.mapping;
  * @author Christoph Strobl
  * @since 3.2
  */
-class EmbeddedEntityContext {
+class UnwrapEntityContext {
 
 	private final MongoPersistentProperty property;
 
-	public EmbeddedEntityContext(MongoPersistentProperty property) {
+	public UnwrapEntityContext(MongoPersistentProperty property) {
 		this.property = property;
 	}
 

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/mapping/Unwrapped.java

@@ -26,10 +26,10 @@ import javax.annotation.meta.When;
 import org.springframework.core.annotation.AliasFor;
 
 /**
- * The annotation to configure a value object as embedded (flattened out) in the target document.
+ * The annotation to configure a value object as flattened out in the target document.
  * <p />
  * Depending on the {@link OnEmpty value} of {@link #onEmpty()} the property is set to {@literal null} or an empty
- * instance in the case all embedded values are {@literal null} when reading from the result set.
+ * instance in the case all unwrapped values are {@literal null} when reading from the result set.
  *
  * @author Christoph Strobl
  * @since 3.2
@@ -37,24 +37,24 @@ import org.springframework.core.annotation.AliasFor;
 @Documented
 @Retention(value = RetentionPolicy.RUNTIME)
 @Target(value = { ElementType.ANNOTATION_TYPE, ElementType.FIELD, ElementType.METHOD })
-public @interface Embedded {
+public @interface Unwrapped {
 
 	/**
-	 * Set the load strategy for the embedded object if all contained fields yield {@literal null} values.
+	 * Set the load strategy for the unwrapped object if all contained fields yield {@literal null} values.
 	 * <p />
-	 * {@link Nullable @Embedded.Nullable} and {@link Empty @Embedded.Empty} offer shortcuts for this.
+	 * {@link Nullable @Unwrapped.Nullable} and {@link Empty @Unwrapped.Empty} offer shortcuts for this.
 	 *
 	 * @return never {@link} null.
 	 */
 	OnEmpty onEmpty();
 
 	/**
-	 * @return prefix for columns in the embedded value object. An empty {@link String} by default.
+	 * @return prefix for columns in the unwrapped value object. An empty {@link String} by default.
 	 */
 	String prefix() default "";
 
 	/**
-	 * Load strategy to be used {@link Embedded#onEmpty()}.
+	 * Load strategy to be used {@link Unwrapped#onEmpty()}.
 	 *
 	 * @author Christoph Strobl
 	 */
@@ -63,22 +63,22 @@ public @interface Embedded {
 	}
 
 	/**
-	 * Shortcut for a nullable embedded property.
+	 * Shortcut for a nullable unwrapped property.
 	 *
 	 * <pre class="code">
-	 * &#64;Embedded.Nullable private Address address;
+	 * &#64;Unwrapped.Nullable private Address address;
 	 * </pre>
 	 *
 	 * as alternative to the more verbose
 	 *
 	 * <pre class="code">
-	 * &#64;Embedded(onEmpty = USE_NULL) &#64;javax.annotation.Nonnull(when = When.MAYBE) private Address address;
+	 * &#64;Unwrapped(onEmpty = USE_NULL) &#64;javax.annotation.Nonnull(when = When.MAYBE) private Address address;
 	 * </pre>
 	 *
 	 * @author Christoph Strobl
-	 * @see Embedded#onEmpty()
+	 * @see Unwrapped#onEmpty()
 	 */
-	@Embedded(onEmpty = OnEmpty.USE_NULL)
+	@Unwrapped(onEmpty = OnEmpty.USE_NULL)
 	@Documented
 	@Retention(RetentionPolicy.RUNTIME)
 	@Target({ ElementType.FIELD, ElementType.METHOD })
@@ -86,35 +86,35 @@ public @interface Embedded {
 	@interface Nullable {
 
 		/**
-		 * @return prefix for columns in the embedded value object. An empty {@link String} by default.
+		 * @return prefix for columns in the unwrapped value object. An empty {@link String} by default.
 		 */
-		@AliasFor(annotation = Embedded.class, attribute = "prefix")
+		@AliasFor(annotation = Unwrapped.class, attribute = "prefix")
 		String prefix() default "";
 
 		/**
-		 * @return value for columns in the embedded value object. An empty {@link String} by default.
+		 * @return value for columns in the unwrapped value object. An empty {@link String} by default.
 		 */
-		@AliasFor(annotation = Embedded.class, attribute = "prefix")
+		@AliasFor(annotation = Unwrapped.class, attribute = "prefix")
 		String value() default "";
 	}
 
 	/**
-	 * Shortcut for an empty embedded property.
+	 * Shortcut for an empty unwrapped property.
 	 *
 	 * <pre class="code">
-	 * &#64;Embedded.Empty private Address address;
+	 * &#64;Unwrapped.Empty private Address address;
 	 * </pre>
 	 *
 	 * as alternative to the more verbose
 	 *
 	 * <pre class="code">
-	 * &#64;Embedded(onEmpty = USE_EMPTY) &#64;javax.annotation.Nonnull(when = When.NEVER) private Address address;
+	 * &#64;Unwrapped(onEmpty = USE_EMPTY) &#64;javax.annotation.Nonnull(when = When.NEVER) private Address address;
 	 * </pre>
 	 *
 	 * @author Christoph Strobl
-	 * @see Embedded#onEmpty()
+	 * @see Unwrapped#onEmpty()
 	 */
-	@Embedded(onEmpty = OnEmpty.USE_EMPTY)
+	@Unwrapped(onEmpty = OnEmpty.USE_EMPTY)
 	@Documented
 	@Retention(RetentionPolicy.RUNTIME)
 	@Target({ ElementType.FIELD, ElementType.METHOD })
@@ -122,15 +122,15 @@ public @interface Embedded {
 	@interface Empty {
 
 		/**
-		 * @return prefix for columns in the embedded value object. An empty {@link String} by default.
+		 * @return prefix for columns in the unwrapped value object. An empty {@link String} by default.
 		 */
-		@AliasFor(annotation = Embedded.class, attribute = "prefix")
+		@AliasFor(annotation = Unwrapped.class, attribute = "prefix")
 		String prefix() default "";
 
 		/**
-		 * @return value for columns in the embedded value object. An empty {@link String} by default.
+		 * @return value for columns in the unwrapped value object. An empty {@link String} by default.
 		 */
-		@AliasFor(annotation = Embedded.class, attribute = "prefix")
+		@AliasFor(annotation = Unwrapped.class, attribute = "prefix")
 		String value() default "";
 	}
 }

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/mapping/UnwrappedMongoPersistentEntity.java

@@ -32,18 +32,18 @@ import org.springframework.data.util.TypeInformation;
 import org.springframework.lang.Nullable;
 
 /**
- * Embedded variant of {@link MongoPersistentEntity}.
+ * Unwrapped variant of {@link MongoPersistentEntity}.
  *
  * @author Christoph Strobl
  * @since 3.2
- * @see Embedded
+ * @see Unwrapped
  */
-class EmbeddedMongoPersistentEntity<T> implements MongoPersistentEntity<T> {
+class UnwrappedMongoPersistentEntity<T> implements MongoPersistentEntity<T> {
 
-	private final EmbeddedEntityContext context;
+	private final UnwrapEntityContext context;
 	private final MongoPersistentEntity<T> delegate;
 
-	public EmbeddedMongoPersistentEntity(MongoPersistentEntity<T> delegate, EmbeddedEntityContext context) {
+	public UnwrappedMongoPersistentEntity(MongoPersistentEntity<T> delegate, UnwrapEntityContext context) {
 
 		this.context = context;
 		this.delegate = delegate;
@@ -153,7 +153,7 @@ class EmbeddedMongoPersistentEntity<T> implements MongoPersistentEntity<T> {
 			return persistentProperty;
 		}
 
-		throw new RuntimeException(":kladjnf");
+		throw new IllegalStateException(String.format("Required property %s not found for %s!", name, getType()));
 	}
 
 	@Override
@@ -291,7 +291,7 @@ class EmbeddedMongoPersistentEntity<T> implements MongoPersistentEntity<T> {
 		if (source == null) {
 			return source;
 		}
-		return new EmbeddedMongoPersistentProperty(source, context);
+		return new UnwrappedMongoPersistentProperty(source, context);
 	}
 
 	@Override
@@ -320,7 +320,7 @@ class EmbeddedMongoPersistentEntity<T> implements MongoPersistentEntity<T> {
 	}
 
 	@Override
-	public boolean isEmbedded() {
-		return context.getProperty().isEmbedded();
+	public boolean isUnwrapped() {
+		return context.getProperty().isUnwrapped();
 	}
 }

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/core/mapping/UnwrappedMongoPersistentProperty.java

@@ -26,18 +26,18 @@ import org.springframework.data.util.TypeInformation;
 import org.springframework.lang.Nullable;
 
 /**
- * Embedded variant of {@link MongoPersistentProperty}.
+ * Unwrapped variant of {@link MongoPersistentProperty}.
  *
  * @author Christoph Strobl
  * @since 3.2
- * @see Embedded
+ * @see Unwrapped
  */
-class EmbeddedMongoPersistentProperty implements MongoPersistentProperty {
+class UnwrappedMongoPersistentProperty implements MongoPersistentProperty {
 
 	private final MongoPersistentProperty delegate;
-	private final EmbeddedEntityContext context;
+	private final UnwrapEntityContext context;
 
-	public EmbeddedMongoPersistentProperty(MongoPersistentProperty delegate, EmbeddedEntityContext context) {
+	public UnwrappedMongoPersistentProperty(MongoPersistentProperty delegate, UnwrapEntityContext context) {
 
 		this.delegate = delegate;
 		this.context = context;
@@ -46,11 +46,11 @@ class EmbeddedMongoPersistentProperty implements MongoPersistentProperty {
 	@Override
 	public String getFieldName() {
 
-		if (!context.getProperty().isEmbedded()) {
+		if (!context.getProperty().isUnwrapped()) {
 			return delegate.getFieldName();
 		}
 
-		return context.getProperty().findAnnotation(Embedded.class).prefix() + delegate.getFieldName();
+		return context.getProperty().findAnnotation(Unwrapped.class).prefix() + delegate.getFieldName();
 	}
 
 	@Override
@@ -241,8 +241,8 @@ class EmbeddedMongoPersistentProperty implements MongoPersistentProperty {
 	}
 
 	@Override
-	public boolean isEmbedded() {
-		return delegate.isEmbedded();
+	public boolean isUnwrapped() {
+		return delegate.isUnwrapped();
 	}
 
 	@Override

spring-data-mongodb/src/main/java/org/springframework/data/mongodb/repository/support/IndexEnsuringQueryCreationListener.java

@@ -30,7 +30,7 @@ import org.springframework.data.mongodb.UncategorizedMongoDbException;
 import org.springframework.data.mongodb.core.MongoOperations;
 import org.springframework.data.mongodb.core.index.Index;
 import org.springframework.data.mongodb.core.index.IndexOperationsProvider;
-import org.springframework.data.mongodb.core.mapping.Embedded;
+import org.springframework.data.mongodb.core.mapping.Unwrapped;
 import org.springframework.data.mongodb.core.query.Collation;
 import org.springframework.data.mongodb.repository.query.MongoEntityMetadata;
 import org.springframework.data.mongodb.repository.query.PartTreeMongoQuery;
@@ -90,7 +90,7 @@ class IndexEnsuringQueryCreationListener implements QueryCreationListener<PartTr
 			if (GEOSPATIAL_TYPES.contains(part.getType())) {
 				return;
 			}
-			if (isIndexOnEmbeddedType(part)) {
+			if (isIndexOnUnwrappedType(part)) {
 				return;
 			}
 
@@ -138,7 +138,7 @@ class IndexEnsuringQueryCreationListener implements QueryCreationListener<PartTr
 		LOG.debug(String.format("Created %s!", index));
 	}
 
-	public boolean isIndexOnEmbeddedType(Part part) {
+	public boolean isIndexOnUnwrappedType(Part part) {
 
 		// TODO we could do it for nested fields in the
 		Field field = ReflectionUtils.findField(part.getProperty().getOwningType().getType(),
@@ -148,7 +148,7 @@ class IndexEnsuringQueryCreationListener implements QueryCreationListener<PartTr
 			return false;
 		}
 
-		return AnnotatedElementUtils.hasAnnotation(field, Embedded.class);
+		return AnnotatedElementUtils.hasAnnotation(field, Unwrapped.class);
 	}
 
 	private static Direction toDirection(Sort sort, String property) {

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/MongoTemplateFieldProjectionTests.java

@@ -30,8 +30,8 @@ import org.springframework.data.annotation.Id;
 import org.springframework.data.mongodb.MongoExpression;
 import org.springframework.data.mongodb.core.aggregation.AggregationSpELExpression;
 import org.springframework.data.mongodb.core.aggregation.StringOperators;
-import org.springframework.data.mongodb.core.mapping.Embedded;
 import org.springframework.data.mongodb.core.mapping.Field;
+import org.springframework.data.mongodb.core.mapping.Unwrapped;
 import org.springframework.data.mongodb.core.query.Criteria;
 import org.springframework.data.mongodb.core.query.Query;
 import org.springframework.data.mongodb.test.util.MongoTemplateExtension;
@@ -126,7 +126,7 @@ class MongoTemplateFieldProjectionTests {
 	}
 
 	@Test // GH-3583
-	void mapsProjectionOnEmbedded() {
+	void mapsProjectionOnUnwrapped() {
 
 		luke.address = new Address();
 		luke.address.planet = "tatoine";
@@ -164,7 +164,7 @@ class MongoTemplateFieldProjectionTests {
 		@Field("last_name") //
 		String lastname;
 
-		@Embedded.Nullable Address address;
+		@Unwrapped.Nullable Address address;
 
 		Person toUpperCaseLastnameClone(Person source) {
 

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/MongoTemplateUnwrappedTests.java

@@ -20,50 +20,50 @@ import static org.springframework.data.mongodb.core.query.Criteria.*;
 import static org.springframework.data.mongodb.core.query.Query.*;
 
 import lombok.EqualsAndHashCode;
+import lombok.ToString;
 
 import java.util.Arrays;
 import java.util.List;
 
-import lombok.ToString;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
-import org.springframework.data.mongodb.core.mapping.Embedded;
 import org.springframework.data.mongodb.core.mapping.Field;
+import org.springframework.data.mongodb.core.mapping.Unwrapped;
 import org.springframework.data.mongodb.core.query.Query;
 import org.springframework.data.mongodb.test.util.MongoTemplateExtension;
 import org.springframework.data.mongodb.test.util.Template;
 
 /**
- * Integration tests for {@link Embedded}.
+ * Integration tests for {@link Unwrapped}.
  *
  * @author Christoph Strobl
  */
 @ExtendWith(MongoTemplateExtension.class)
-class MongoTemplateEmbeddedTests {
+class MongoTemplateUnwrappedTests {
 
 	private static @Template MongoTemplate template;
 
 	@Test // DATAMONGO-1902
 	void readWrite() {
 
-		WithEmbedded source = new WithEmbedded();
+		WithUnwrapped source = new WithUnwrapped();
 		source.id = "id-1";
-		source.embeddableValue = new EmbeddableType();
+		source.embeddableValue = new UnwrappableType();
 		source.embeddableValue.stringValue = "string-val";
 		source.embeddableValue.listValue = Arrays.asList("list-val-1", "list-val-2");
 		source.embeddableValue.atFieldAnnotatedValue = "@Field";
 
 		template.save(source);
 
-		assertThat(template.findOne(query(where("id").is(source.id)), WithEmbedded.class)).isEqualTo(source);
+		assertThat(template.findOne(query(where("id").is(source.id)), WithUnwrapped.class)).isEqualTo(source);
 	}
 
 	@Test // DATAMONGO-1902
-	void filterOnEmbeddedValue() {
+	void filterOnUnwrappedValue() {
 
-		WithEmbedded source = new WithEmbedded();
+		WithUnwrapped source = new WithUnwrapped();
 		source.id = "id-1";
-		source.embeddableValue = new EmbeddableType();
+		source.embeddableValue = new UnwrappableType();
 		source.embeddableValue.stringValue = "string-val";
 		source.embeddableValue.listValue = Arrays.asList("list-val-1", "list-val-2");
 		source.embeddableValue.atFieldAnnotatedValue = "@Field";
@@ -71,31 +71,31 @@ class MongoTemplateEmbeddedTests {
 		template.save(source);
 
 		assertThat(template.findOne(
-				Query.query(where("embeddableValue.stringValue").is(source.embeddableValue.stringValue)), WithEmbedded.class))
+				Query.query(where("embeddableValue.stringValue").is(source.embeddableValue.stringValue)), WithUnwrapped.class))
 						.isEqualTo(source);
 	}
 
 	@Test // DATAMONGO-1902
 	void readWritePrefixed() {
 
-		WithPrefixedEmbedded source = new WithPrefixedEmbedded();
+		WithPrefixedUnwrapped source = new WithPrefixedUnwrapped();
 		source.id = "id-1";
-		source.embeddableValue = new EmbeddableType();
+		source.embeddableValue = new UnwrappableType();
 		source.embeddableValue.stringValue = "string-val";
 		source.embeddableValue.listValue = Arrays.asList("list-val-1", "list-val-2");
 		source.embeddableValue.atFieldAnnotatedValue = "@Field";
 
 		template.save(source);
 
-		assertThat(template.findOne(query(where("id").is(source.id)), WithPrefixedEmbedded.class)).isEqualTo(source);
+		assertThat(template.findOne(query(where("id").is(source.id)), WithPrefixedUnwrapped.class)).isEqualTo(source);
 	}
 
 	@Test // DATAMONGO-1902
-	void filterOnPrefixedEmbeddedValue() {
+	void filterOnPrefixedUnwrappedValue() {
 
-		WithPrefixedEmbedded source = new WithPrefixedEmbedded();
+		WithPrefixedUnwrapped source = new WithPrefixedUnwrapped();
 		source.id = "id-1";
-		source.embeddableValue = new EmbeddableType();
+		source.embeddableValue = new UnwrappableType();
 		source.embeddableValue.stringValue = "string-val";
 		source.embeddableValue.listValue = Arrays.asList("list-val-1", "list-val-2");
 		source.embeddableValue.atFieldAnnotatedValue = "@Field";
@@ -104,30 +104,30 @@ class MongoTemplateEmbeddedTests {
 
 		assertThat(
 				template.findOne(Query.query(where("embeddableValue.stringValue").is(source.embeddableValue.stringValue)),
-						WithPrefixedEmbedded.class)).isEqualTo(source);
+						WithPrefixedUnwrapped.class)).isEqualTo(source);
 	}
 
 	@EqualsAndHashCode
 	@ToString
-	static class WithEmbedded {
+	static class WithUnwrapped {
 
 		String id;
 
-		@Embedded.Nullable EmbeddableType embeddableValue;
+		@Unwrapped.Nullable UnwrappableType embeddableValue;
 	}
 
 	@EqualsAndHashCode
 	@ToString
-	static class WithPrefixedEmbedded {
+	static class WithPrefixedUnwrapped {
 
 		String id;
 
-		@Embedded.Nullable("prefix-") EmbeddableType embeddableValue;
+		@Unwrapped.Nullable("prefix-") UnwrappableType embeddableValue;
 	}
 
 	@EqualsAndHashCode
 	@ToString
-	static class EmbeddableType {
+	static class UnwrappableType {
 
 		String stringValue;
 		List<String> listValue;

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/aggregation/TypeBasedAggregationOperationContextUnitTests.java

@@ -45,8 +45,8 @@ import org.springframework.data.mongodb.core.convert.DbRefResolver;
 import org.springframework.data.mongodb.core.convert.MappingMongoConverter;
 import org.springframework.data.mongodb.core.convert.MongoCustomConversions;
 import org.springframework.data.mongodb.core.convert.QueryMapper;
-import org.springframework.data.mongodb.core.mapping.Embedded;
 import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
+import org.springframework.data.mongodb.core.mapping.Unwrapped;
 import org.springframework.data.mongodb.core.query.Criteria;
 
 /**
@@ -358,11 +358,11 @@ public class TypeBasedAggregationOperationContextUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersProjectOnEmbeddedFieldCorrectly() {
+	void rendersProjectOnUnwrappableTypeFieldCorrectly() {
 
-		AggregationOperationContext context = getContext(WithEmbedded.class);
+		AggregationOperationContext context = getContext(WithUnwrapped.class);
 
-		Document agg = newAggregation(WithEmbedded.class, project().and("embeddableType.stringValue").as("val"))
+		Document agg = newAggregation(WithUnwrapped.class, project().and("unwrappedValue.stringValue").as("val"))
 				.toDocument("collection", context);
 
 		assertThat(getPipelineElementFromAggregationAt(agg, 0).get("$project"))
@@ -370,11 +370,11 @@ public class TypeBasedAggregationOperationContextUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersProjectOnEmbeddedFieldWithAtFieldAnnotationCorrectly() {
+	void rendersProjectOnUnwrappedFieldWithAtFieldAnnotationCorrectly() {
 
-		AggregationOperationContext context = getContext(WithEmbedded.class);
+		AggregationOperationContext context = getContext(WithUnwrapped.class);
 
-		Document agg = newAggregation(WithEmbedded.class, project().and("embeddableType.atFieldAnnotatedValue").as("val"))
+		Document agg = newAggregation(WithUnwrapped.class, project().and("unwrappedValue.atFieldAnnotatedValue").as("val"))
 				.toDocument("collection", context);
 
 		assertThat(getPipelineElementFromAggregationAt(agg, 0).get("$project"))
@@ -382,11 +382,11 @@ public class TypeBasedAggregationOperationContextUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersProjectOnPrefixedEmbeddedFieldCorrectly() {
+	void rendersProjectOnPrefixedUnwrappedFieldCorrectly() {
 
-		AggregationOperationContext context = getContext(WithEmbedded.class);
+		AggregationOperationContext context = getContext(WithUnwrapped.class);
 
-		Document agg = newAggregation(WithEmbedded.class, project().and("prefixedEmbeddableValue.stringValue").as("val"))
+		Document agg = newAggregation(WithUnwrapped.class, project().and("prefixedUnwrappedValue.stringValue").as("val"))
 				.toDocument("collection", context);
 
 		assertThat(getPipelineElementFromAggregationAt(agg, 0).get("$project"))
@@ -394,64 +394,65 @@ public class TypeBasedAggregationOperationContextUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersProjectOnPrefixedEmbeddedFieldWithAtFieldAnnotationCorrectly() {
+	void rendersProjectOnPrefixedUnwrappedFieldWithAtFieldAnnotationCorrectly() {
 
-		AggregationOperationContext context = getContext(WithEmbedded.class);
+		AggregationOperationContext context = getContext(WithUnwrapped.class);
 
-		Document agg = newAggregation(WithEmbedded.class,
-				project().and("prefixedEmbeddableValue.atFieldAnnotatedValue").as("val")).toDocument("collection", context);
+		Document agg = newAggregation(WithUnwrapped.class,
+				project().and("prefixedUnwrappedValue.atFieldAnnotatedValue").as("val")).toDocument("collection", context);
 
 		assertThat(getPipelineElementFromAggregationAt(agg, 0).get("$project"))
 				.isEqualTo(new Document("val", "$prefix-with-at-field-annotation"));
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersProjectOnNestedEmbeddedFieldCorrectly() {
+	void rendersProjectOnNestedUnwrappedFieldCorrectly() {
 
-		AggregationOperationContext context = getContext(WrapperAroundWithEmbedded.class);
+		AggregationOperationContext context = getContext(WrapperAroundWithUnwrapped.class);
 
-		Document agg = newAggregation(WrapperAroundWithEmbedded.class,
-				project().and("withEmbedded.embeddableType.stringValue").as("val")).toDocument("collection", context);
+		Document agg = newAggregation(WrapperAroundWithUnwrapped.class,
+				project().and("withUnwrapped.unwrappedValue.stringValue").as("val")).toDocument("collection", context);
 
 		assertThat(getPipelineElementFromAggregationAt(agg, 0).get("$project"))
-				.isEqualTo(new Document("val", "$withEmbedded.stringValue"));
+				.isEqualTo(new Document("val", "$withUnwrapped.stringValue"));
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersProjectOnNestedEmbeddedFieldWithAtFieldAnnotationCorrectly() {
+	void rendersProjectOnNestedUnwrappedFieldWithAtFieldAnnotationCorrectly() {
 
-		AggregationOperationContext context = getContext(WrapperAroundWithEmbedded.class);
+		AggregationOperationContext context = getContext(WrapperAroundWithUnwrapped.class);
 
-		Document agg = newAggregation(WrapperAroundWithEmbedded.class,
-				project().and("withEmbedded.embeddableType.atFieldAnnotatedValue").as("val")).toDocument("collection", context);
-
-		assertThat(getPipelineElementFromAggregationAt(agg, 0).get("$project"))
-				.isEqualTo(new Document("val", "$withEmbedded.with-at-field-annotation"));
-	}
-
-	@Test // DATAMONGO-1902
-	void rendersProjectOnNestedPrefixedEmbeddedFieldCorrectly() {
-
-		AggregationOperationContext context = getContext(WrapperAroundWithEmbedded.class);
-
-		Document agg = newAggregation(WrapperAroundWithEmbedded.class,
-				project().and("withEmbedded.prefixedEmbeddableValue.stringValue").as("val")).toDocument("collection", context);
-
-		assertThat(getPipelineElementFromAggregationAt(agg, 0).get("$project"))
-				.isEqualTo(new Document("val", "$withEmbedded.prefix-stringValue"));
-	}
-
-	@Test // DATAMONGO-1902
-	void rendersProjectOnNestedPrefixedEmbeddedFieldWithAtFieldAnnotationCorrectly() {
-
-		AggregationOperationContext context = getContext(WrapperAroundWithEmbedded.class);
-
-		Document agg = newAggregation(WrapperAroundWithEmbedded.class,
-				project().and("withEmbedded.prefixedEmbeddableValue.atFieldAnnotatedValue").as("val")).toDocument("collection",
+		Document agg = newAggregation(WrapperAroundWithUnwrapped.class,
+				project().and("withUnwrapped.unwrappedValue.atFieldAnnotatedValue").as("val")).toDocument("collection",
 						context);
 
 		assertThat(getPipelineElementFromAggregationAt(agg, 0).get("$project"))
-				.isEqualTo(new Document("val", "$withEmbedded.prefix-with-at-field-annotation"));
+				.isEqualTo(new Document("val", "$withUnwrapped.with-at-field-annotation"));
+	}
+
+	@Test // DATAMONGO-1902
+	void rendersProjectOnNestedPrefixedUnwrappedFieldCorrectly() {
+
+		AggregationOperationContext context = getContext(WrapperAroundWithUnwrapped.class);
+
+		Document agg = newAggregation(WrapperAroundWithUnwrapped.class,
+				project().and("withUnwrapped.prefixedUnwrappedValue.stringValue").as("val")).toDocument("collection", context);
+
+		assertThat(getPipelineElementFromAggregationAt(agg, 0).get("$project"))
+				.isEqualTo(new Document("val", "$withUnwrapped.prefix-stringValue"));
+	}
+
+	@Test // DATAMONGO-1902
+	void rendersProjectOnNestedPrefixedUnwrappedFieldWithAtFieldAnnotationCorrectly() {
+
+		AggregationOperationContext context = getContext(WrapperAroundWithUnwrapped.class);
+
+		Document agg = newAggregation(WrapperAroundWithUnwrapped.class,
+				project().and("withUnwrapped.prefixedUnwrappedValue.atFieldAnnotatedValue").as("val")).toDocument("collection",
+						context);
+
+		assertThat(getPipelineElementFromAggregationAt(agg, 0).get("$project"))
+				.isEqualTo(new Document("val", "$withUnwrapped.prefix-with-at-field-annotation"));
 	}
 
 	@org.springframework.data.mongodb.core.mapping.Document(collection = "person")
@@ -531,21 +532,21 @@ public class TypeBasedAggregationOperationContextUnitTests {
 		@org.springframework.data.mongodb.core.mapping.Field("nestedValue2") String value2;
 	}
 
-	static class WrapperAroundWithEmbedded {
+	static class WrapperAroundWithUnwrapped {
 
 		String id;
-		WithEmbedded withEmbedded;
+		WithUnwrapped withUnwrapped;
 	}
 
-	static class WithEmbedded {
+	static class WithUnwrapped {
 
 		String id;
 
-		@Embedded.Nullable EmbeddableType embeddableType;
-		@Embedded.Nullable("prefix-") EmbeddableType prefixedEmbeddableValue;
+		@Unwrapped.Nullable UnwrappableType unwrappedValue;
+		@Unwrapped.Nullable("prefix-") UnwrappableType prefixedUnwrappedValue;
 	}
 
-	static class EmbeddableType {
+	static class UnwrappableType {
 
 		String stringValue;
 

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/convert/MappingMongoConverterUnitTests.java

@@ -72,13 +72,13 @@ import org.springframework.data.mongodb.core.convert.DocumentAccessorUnitTests.P
 import org.springframework.data.mongodb.core.convert.MappingMongoConverterUnitTests.ClassWithMapUsingEnumAsKey.FooBarEnum;
 import org.springframework.data.mongodb.core.geo.Sphere;
 import org.springframework.data.mongodb.core.mapping.Document;
-import org.springframework.data.mongodb.core.mapping.Embedded;
 import org.springframework.data.mongodb.core.mapping.Field;
 import org.springframework.data.mongodb.core.mapping.FieldType;
 import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
 import org.springframework.data.mongodb.core.mapping.MongoPersistentProperty;
 import org.springframework.data.mongodb.core.mapping.PersonPojoStringId;
 import org.springframework.data.mongodb.core.mapping.TextScore;
+import org.springframework.data.mongodb.core.mapping.Unwrapped;
 import org.springframework.data.mongodb.core.mapping.event.AfterConvertCallback;
 import org.springframework.data.util.ClassTypeInformation;
 import org.springframework.test.util.ReflectionTestUtils;
@@ -2193,9 +2193,9 @@ class MappingMongoConverterUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void writeFlattensEmbeddedType() {
+	void writeFlattensUnwrappedType() {
 
-		WithNullableEmbedded source = new WithNullableEmbedded();
+		WithNullableUnwrapped source = new WithNullableUnwrapped();
 		source.id = "id-1";
 		source.embeddableValue = new EmbeddableType();
 		source.embeddableValue.listValue = Arrays.asList("list-val-1", "list-val-2");
@@ -2215,9 +2215,9 @@ class MappingMongoConverterUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void writePrefixesEmbeddedType() {
+	void writePrefixesUnwrappedType() {
 
-		WithPrefixedNullableEmbedded source = new WithPrefixedNullableEmbedded();
+		WithPrefixedNullableUnwrapped source = new WithPrefixedNullableUnwrapped();
 		source.id = "id-1";
 		source.embeddableValue = new EmbeddableType();
 		source.embeddableValue.listValue = Arrays.asList("list-val-1", "list-val-2");
@@ -2238,9 +2238,9 @@ class MappingMongoConverterUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void writeNullEmbeddedType() {
+	void writeNullUnwrappedType() {
 
-		WithNullableEmbedded source = new WithNullableEmbedded();
+		WithNullableUnwrapped source = new WithNullableUnwrapped();
 		source.id = "id-1";
 		source.embeddableValue = null;
 
@@ -2253,11 +2253,11 @@ class MappingMongoConverterUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void writeDeepNestedEmbeddedType() {
+	void writeDeepNestedUnwrappedType() {
 
-		WrapperAroundWithEmbedded source = new WrapperAroundWithEmbedded();
+		WrapperAroundWithUnwrapped source = new WrapperAroundWithUnwrapped();
 		source.someValue = "root-level-value";
-		source.nullableEmbedded = new WithNullableEmbedded();
+		source.nullableEmbedded = new WithNullableUnwrapped();
 		source.nullableEmbedded.id = "id-1";
 		source.nullableEmbedded.embeddableValue = new EmbeddableType();
 		source.nullableEmbedded.embeddableValue.listValue = Arrays.asList("list-val-1", "list-val-2");
@@ -2275,7 +2275,7 @@ class MappingMongoConverterUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void readEmbeddedType() {
+	void readUnwrappedType() {
 
 		org.bson.Document source = new org.bson.Document("_id", "id-1") //
 				.append("stringValue", "string-val") //
@@ -2287,12 +2287,12 @@ class MappingMongoConverterUnitTests {
 		embeddableValue.listValue = Arrays.asList("list-val-1", "list-val-2");
 		embeddableValue.atFieldAnnotatedValue = "@Field";
 
-		WithNullableEmbedded target = converter.read(WithNullableEmbedded.class, source);
+		WithNullableUnwrapped target = converter.read(WithNullableUnwrapped.class, source);
 		assertThat(target.embeddableValue).isEqualTo(embeddableValue);
 	}
 
 	@Test // DATAMONGO-1902
-	void readPrefixedEmbeddedType() {
+	void readPrefixedUnwrappedType() {
 
 		org.bson.Document source = new org.bson.Document("_id", "id-1") //
 				.append("prefix-stringValue", "string-val") //
@@ -2304,37 +2304,37 @@ class MappingMongoConverterUnitTests {
 		embeddableValue.listValue = Arrays.asList("list-val-1", "list-val-2");
 		embeddableValue.atFieldAnnotatedValue = "@Field";
 
-		WithPrefixedNullableEmbedded target = converter.read(WithPrefixedNullableEmbedded.class, source);
+		WithPrefixedNullableUnwrapped target = converter.read(WithPrefixedNullableUnwrapped.class, source);
 		assertThat(target.embeddableValue).isEqualTo(embeddableValue);
 	}
 
 	@Test // DATAMONGO-1902
-	void readNullableEmbeddedTypeWhenSourceDoesNotContainValues() {
+	void readNullableUnwrappedTypeWhenSourceDoesNotContainValues() {
 
 		org.bson.Document source = new org.bson.Document("_id", "id-1");
 
-		WithNullableEmbedded target = converter.read(WithNullableEmbedded.class, source);
+		WithNullableUnwrapped target = converter.read(WithNullableUnwrapped.class, source);
 		assertThat(target.embeddableValue).isNull();
 	}
 
 	@Test // DATAMONGO-1902
-	void readEmptyEmbeddedTypeWhenSourceDoesNotContainValues() {
+	void readEmptyUnwrappedTypeWhenSourceDoesNotContainValues() {
 
 		org.bson.Document source = new org.bson.Document("_id", "id-1");
 
-		WithEmptyEmbeddedType target = converter.read(WithEmptyEmbeddedType.class, source);
+		WithEmptyUnwrappedType target = converter.read(WithEmptyUnwrappedType.class, source);
 		assertThat(target.embeddableValue).isNotNull();
 	}
 
 	@Test // DATAMONGO-1902
-	void readDeepNestedEmbeddedType() {
+	void readDeepNestedUnwrappedType() {
 
 		org.bson.Document source = new org.bson.Document("someValue", "root-level-value").append("nullableEmbedded",
 				new org.bson.Document("_id", "id-1").append("stringValue", "string-val") //
 						.append("listValue", Arrays.asList("list-val-1", "list-val-2")) //
 						.append("with-at-field-annotation", "@Field"));
 
-		WrapperAroundWithEmbedded target = converter.read(WrapperAroundWithEmbedded.class, source);
+		WrapperAroundWithUnwrapped target = converter.read(WrapperAroundWithUnwrapped.class, source);
 
 		EmbeddableType embeddableValue = new EmbeddableType();
 		embeddableValue.stringValue = "string-val";
@@ -2347,12 +2347,12 @@ class MappingMongoConverterUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void readEmbeddedTypeWithComplexValue() {
+	void readUnwrappedTypeWithComplexValue() {
 
 		org.bson.Document source = new org.bson.Document("_id", "id-1").append("address",
 				new org.bson.Document("street", "1007 Mountain Drive").append("city", "Gotham"));
 
-		WithNullableEmbedded target = converter.read(WithNullableEmbedded.class, source);
+		WithNullableUnwrapped target = converter.read(WithNullableUnwrapped.class, source);
 
 		Address expected = new Address();
 		expected.city = "Gotham";
@@ -2363,9 +2363,9 @@ class MappingMongoConverterUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void writeEmbeddedTypeWithComplexValue() {
+	void writeUnwrappedTypeWithComplexValue() {
 
-		WithNullableEmbedded source = new WithNullableEmbedded();
+		WithNullableUnwrapped source = new WithNullableUnwrapped();
 		source.id = "id-1";
 		source.embeddableValue = new EmbeddableType();
 		source.embeddableValue.address = new Address();
@@ -2891,33 +2891,33 @@ class MappingMongoConverterUnitTests {
 		Date dateAsObjectId;
 	}
 
-	static class WrapperAroundWithEmbedded {
+	static class WrapperAroundWithUnwrapped {
 
 		String someValue;
-		WithNullableEmbedded nullableEmbedded;
-		WithEmptyEmbeddedType emptyEmbedded;
-		WithPrefixedNullableEmbedded prefixedEmbedded;
+		WithNullableUnwrapped nullableEmbedded;
+		WithEmptyUnwrappedType emptyEmbedded;
+		WithPrefixedNullableUnwrapped prefixedEmbedded;
 	}
 
-	static class WithNullableEmbedded {
+	static class WithNullableUnwrapped {
 
 		String id;
 
-		@Embedded.Nullable EmbeddableType embeddableValue;
+		@Unwrapped.Nullable EmbeddableType embeddableValue;
 	}
 
-	static class WithPrefixedNullableEmbedded {
+	static class WithPrefixedNullableUnwrapped {
 
 		String id;
 
-		@Embedded.Nullable("prefix-") EmbeddableType embeddableValue;
+		@Unwrapped.Nullable("prefix-") EmbeddableType embeddableValue;
 	}
 
-	static class WithEmptyEmbeddedType {
+	static class WithEmptyUnwrappedType {
 
 		String id;
 
-		@Embedded.Empty EmbeddableType embeddableValue;
+		@Unwrapped.Empty EmbeddableType embeddableValue;
 	}
 
 	@EqualsAndHashCode

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/convert/MongoExampleMapperUnitTests.java

@@ -43,9 +43,9 @@ import org.springframework.data.mongodb.core.convert.QueryMapperUnitTests.WithDB
 import org.springframework.data.mongodb.core.index.Indexed;
 import org.springframework.data.mongodb.core.mapping.DBRef;
 import org.springframework.data.mongodb.core.mapping.Document;
-import org.springframework.data.mongodb.core.mapping.Embedded;
 import org.springframework.data.mongodb.core.mapping.Field;
 import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
+import org.springframework.data.mongodb.core.mapping.Unwrapped;
 import org.springframework.data.mongodb.core.query.UntypedExampleMatcher;
 import org.springframework.data.util.TypeInformation;
 
@@ -456,12 +456,12 @@ public class MongoExampleMapperUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void mapsEmbeddedType() {
+	void mapsUnwrappedType() {
 
-		WithEmbedded probe = new WithEmbedded();
-		probe.embeddableType = new EmbeddableType();
-		probe.embeddableType.atFieldAnnotatedValue = "@Field";
-		probe.embeddableType.stringValue = "string-value";
+		WithUnwrapped probe = new WithUnwrapped();
+		probe.unwrappedValue = new UnwrappableType();
+		probe.unwrappedValue.atFieldAnnotatedValue = "@Field";
+		probe.unwrappedValue.stringValue = "string-value";
 
 		org.bson.Document document = mapper.getMappedExample(Example.of(probe, UntypedExampleMatcher.matching()));
 		assertThat(document).containsEntry("stringValue", "string-value").containsEntry("with-at-field-annotation",
@@ -469,12 +469,12 @@ public class MongoExampleMapperUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void mapsPrefixedEmbeddedType() {
+	void mapsPrefixedUnwrappedType() {
 
-		WithEmbedded probe = new WithEmbedded();
-		probe.prefixedEmbeddableValue = new EmbeddableType();
-		probe.prefixedEmbeddableValue.atFieldAnnotatedValue = "@Field";
-		probe.prefixedEmbeddableValue.stringValue = "string-value";
+		WithUnwrapped probe = new WithUnwrapped();
+		probe.prefixedUnwrappedValue = new UnwrappableType();
+		probe.prefixedUnwrappedValue.atFieldAnnotatedValue = "@Field";
+		probe.prefixedUnwrappedValue.stringValue = "string-value";
 
 		org.bson.Document document = mapper.getMappedExample(Example.of(probe, UntypedExampleMatcher.matching()));
 		assertThat(document).containsEntry("prefix-stringValue", "string-value")
@@ -482,31 +482,31 @@ public class MongoExampleMapperUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void mapsNestedEmbeddedType() {
+	void mapsNestedUnwrappedType() {
 
-		WrapperAroundWithEmbedded probe = new WrapperAroundWithEmbedded();
-		probe.withEmbedded = new WithEmbedded();
-		probe.withEmbedded.embeddableType = new EmbeddableType();
-		probe.withEmbedded.embeddableType.atFieldAnnotatedValue = "@Field";
-		probe.withEmbedded.embeddableType.stringValue = "string-value";
+		WrapperAroundWithUnwrapped probe = new WrapperAroundWithUnwrapped();
+		probe.withUnwrapped = new WithUnwrapped();
+		probe.withUnwrapped.unwrappedValue = new UnwrappableType();
+		probe.withUnwrapped.unwrappedValue.atFieldAnnotatedValue = "@Field";
+		probe.withUnwrapped.unwrappedValue.stringValue = "string-value";
 
 		org.bson.Document document = mapper.getMappedExample(Example.of(probe, UntypedExampleMatcher.matching()));
-		assertThat(document).containsEntry("withEmbedded.stringValue", "string-value")
-				.containsEntry("withEmbedded.with-at-field-annotation", "@Field");
+		assertThat(document).containsEntry("withUnwrapped.stringValue", "string-value")
+				.containsEntry("withUnwrapped.with-at-field-annotation", "@Field");
 	}
 
 	@Test // DATAMONGO-1902
-	void mapsNestedPrefixedEmbeddedType() {
+	void mapsNestedPrefixedUnwrappedType() {
 
-		WrapperAroundWithEmbedded probe = new WrapperAroundWithEmbedded();
-		probe.withEmbedded = new WithEmbedded();
-		probe.withEmbedded.prefixedEmbeddableValue = new EmbeddableType();
-		probe.withEmbedded.prefixedEmbeddableValue.atFieldAnnotatedValue = "@Field";
-		probe.withEmbedded.prefixedEmbeddableValue.stringValue = "string-value";
+		WrapperAroundWithUnwrapped probe = new WrapperAroundWithUnwrapped();
+		probe.withUnwrapped = new WithUnwrapped();
+		probe.withUnwrapped.prefixedUnwrappedValue = new UnwrappableType();
+		probe.withUnwrapped.prefixedUnwrappedValue.atFieldAnnotatedValue = "@Field";
+		probe.withUnwrapped.prefixedUnwrappedValue.stringValue = "string-value";
 
 		org.bson.Document document = mapper.getMappedExample(Example.of(probe, UntypedExampleMatcher.matching()));
-		assertThat(document).containsEntry("withEmbedded.prefix-stringValue", "string-value")
-				.containsEntry("withEmbedded.prefix-with-at-field-annotation", "@Field");
+		assertThat(document).containsEntry("withUnwrapped.prefix-stringValue", "string-value")
+				.containsEntry("withUnwrapped.prefix-with-at-field-annotation", "@Field");
 	}
 
 	static class FlatDocument {
@@ -538,22 +538,22 @@ public class MongoExampleMapperUnitTests {
 	}
 
 	@Document
-	static class WrapperAroundWithEmbedded {
+	static class WrapperAroundWithUnwrapped {
 
 		String id;
-		WithEmbedded withEmbedded;
+		WithUnwrapped withUnwrapped;
 	}
 
 	@Document
-	static class WithEmbedded {
+	static class WithUnwrapped {
 
 		String id;
 
-		@Embedded.Nullable EmbeddableType embeddableType;
-		@Embedded.Nullable("prefix-") EmbeddableType prefixedEmbeddableValue;
+		@Unwrapped.Nullable UnwrappableType unwrappedValue;
+		@Unwrapped.Nullable("prefix-") UnwrappableType prefixedUnwrappedValue;
 	}
 
-	static class EmbeddableType {
+	static class UnwrappableType {
 
 		@Indexed String stringValue;
 

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/convert/QueryMapperUnitTests.java

@@ -48,12 +48,12 @@ import org.springframework.data.mongodb.core.geo.GeoJsonPoint;
 import org.springframework.data.mongodb.core.geo.GeoJsonPolygon;
 import org.springframework.data.mongodb.core.mapping.DBRef;
 import org.springframework.data.mongodb.core.mapping.Document;
-import org.springframework.data.mongodb.core.mapping.Embedded;
 import org.springframework.data.mongodb.core.mapping.Field;
 import org.springframework.data.mongodb.core.mapping.FieldType;
 import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
 import org.springframework.data.mongodb.core.mapping.MongoPersistentEntity;
 import org.springframework.data.mongodb.core.mapping.TextScore;
+import org.springframework.data.mongodb.core.mapping.Unwrapped;
 import org.springframework.data.mongodb.core.query.BasicQuery;
 import org.springframework.data.mongodb.core.query.Criteria;
 import org.springframework.data.mongodb.core.query.Query;
@@ -1014,179 +1014,179 @@ public class QueryMapperUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersQueryOnEmbeddedObjectCorrectly() {
+	void rendersQueryOnUnwrappedObjectCorrectly() {
 
-		EmbeddableType embeddableType = new EmbeddableType();
-		embeddableType.stringValue = "test";
+		UnwrappableType unwrappableType = new UnwrappableType();
+		unwrappableType.stringValue = "test";
 
-		Query source = query(Criteria.where("embeddableValue").is(embeddableType));
+		Query source = query(Criteria.where("unwrappedValue").is(unwrappableType));
 
 		org.bson.Document target = mapper.getMappedObject(source.getQueryObject(),
-				context.getPersistentEntity(WithEmbedded.class));
+				context.getPersistentEntity(WithUnwrapped.class));
 
 		assertThat(target).isEqualTo(new org.bson.Document("stringValue", "test"));
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersQueryOnEmbeddedCorrectly() {
+	void rendersQueryOnUnwrappedCorrectly() {
 
-		Query source = query(Criteria.where("embeddableValue.stringValue").is("test"));
+		Query source = query(Criteria.where("unwrappedValue.stringValue").is("test"));
 
 		org.bson.Document target = mapper.getMappedObject(source.getQueryObject(),
-				context.getPersistentEntity(WithEmbedded.class));
+				context.getPersistentEntity(WithUnwrapped.class));
 
 		assertThat(target).isEqualTo(new org.bson.Document("stringValue", "test"));
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersQueryOnPrefixedEmbeddedCorrectly() {
+	void rendersQueryOnPrefixedUnwrappedCorrectly() {
 
-		Query source = query(Criteria.where("embeddableValue.stringValue").is("test"));
+		Query source = query(Criteria.where("unwrappedValue.stringValue").is("test"));
 
 		org.bson.Document target = mapper.getMappedObject(source.getQueryObject(),
-				context.getPersistentEntity(WithPrefixedEmbedded.class));
+				context.getPersistentEntity(WithPrefixedUnwrapped.class));
 
 		assertThat(target).isEqualTo(new org.bson.Document("prefix-stringValue", "test"));
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersQueryOnNestedEmbeddedObjectCorrectly() {
+	void rendersQueryOnNestedUnwrappedObjectCorrectly() {
 
-		EmbeddableType embeddableType = new EmbeddableType();
-		embeddableType.stringValue = "test";
-		Query source = query(Criteria.where("withEmbedded.embeddableValue").is(embeddableType));
+		UnwrappableType unwrappableType = new UnwrappableType();
+		unwrappableType.stringValue = "test";
+		Query source = query(Criteria.where("withUnwrapped.unwrappedValue").is(unwrappableType));
 
 		org.bson.Document target = mapper.getMappedObject(source.getQueryObject(),
-				context.getPersistentEntity(WrapperAroundWithEmbedded.class));
+				context.getPersistentEntity(WrapperAroundWithUnwrapped.class));
 
-		assertThat(target).isEqualTo(new org.bson.Document("withEmbedded", new org.bson.Document("stringValue", "test")));
+		assertThat(target).isEqualTo(new org.bson.Document("withUnwrapped", new org.bson.Document("stringValue", "test")));
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersQueryOnNestedPrefixedEmbeddedObjectCorrectly() {
+	void rendersQueryOnNestedPrefixedUnwrappedObjectCorrectly() {
 
-		EmbeddableType embeddableType = new EmbeddableType();
-		embeddableType.stringValue = "test";
-		Query source = query(Criteria.where("withPrefixedEmbedded.embeddableValue").is(embeddableType));
+		UnwrappableType unwrappableType = new UnwrappableType();
+		unwrappableType.stringValue = "test";
+		Query source = query(Criteria.where("withPrefixedUnwrapped.unwrappedValue").is(unwrappableType));
 
 		org.bson.Document target = mapper.getMappedObject(source.getQueryObject(),
-				context.getPersistentEntity(WrapperAroundWithEmbedded.class));
+				context.getPersistentEntity(WrapperAroundWithUnwrapped.class));
 
 		assertThat(target)
-				.isEqualTo(new org.bson.Document("withPrefixedEmbedded", new org.bson.Document("prefix-stringValue", "test")));
+				.isEqualTo(new org.bson.Document("withPrefixedUnwrapped", new org.bson.Document("prefix-stringValue", "test")));
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersQueryOnNestedEmbeddedCorrectly() {
+	void rendersQueryOnNestedUnwrappedCorrectly() {
 
-		Query source = query(Criteria.where("withEmbedded.embeddableValue.stringValue").is("test"));
+		Query source = query(Criteria.where("withUnwrapped.unwrappedValue.stringValue").is("test"));
 
 		org.bson.Document target = mapper.getMappedObject(source.getQueryObject(),
-				context.getPersistentEntity(WrapperAroundWithEmbedded.class));
+				context.getPersistentEntity(WrapperAroundWithUnwrapped.class));
 
-		assertThat(target).isEqualTo(new org.bson.Document("withEmbedded.stringValue", "test"));
+		assertThat(target).isEqualTo(new org.bson.Document("withUnwrapped.stringValue", "test"));
 	}
 
 	@Test // DATAMONGO-1902
-	void rendersQueryOnNestedPrefixedEmbeddedCorrectly() {
+	void rendersQueryOnNestedPrefixedUnwrappedCorrectly() {
 
-		Query source = query(Criteria.where("withPrefixedEmbedded.embeddableValue.stringValue").is("test"));
+		Query source = query(Criteria.where("withPrefixedUnwrapped.unwrappedValue.stringValue").is("test"));
 
 		org.bson.Document target = mapper.getMappedObject(source.getQueryObject(),
-				context.getPersistentEntity(WrapperAroundWithEmbedded.class));
+				context.getPersistentEntity(WrapperAroundWithUnwrapped.class));
 
-		assertThat(target).isEqualTo(new org.bson.Document("withPrefixedEmbedded.prefix-stringValue", "test"));
+		assertThat(target).isEqualTo(new org.bson.Document("withPrefixedUnwrapped.prefix-stringValue", "test"));
 	}
 
 	@Test // DATAMONGO-1902
-	void sortByEmbeddableIsEmpty() {
+	void sortByUnwrappedIsEmpty() {
 
-		Query query = new Query().with(Sort.by("embeddableValue"));
+		Query query = new Query().with(Sort.by("unwrappedValue"));
 
 		org.bson.Document document = mapper.getMappedSort(query.getSortObject(),
-				context.getPersistentEntity(WithEmbedded.class));
+				context.getPersistentEntity(WithUnwrapped.class));
 
 		assertThat(document).isEqualTo(
 				new org.bson.Document("stringValue", 1).append("listValue", 1).append("with-at-field-annotation", 1));
 	}
 
 	@Test // DATAMONGO-1902
-	void sortByEmbeddableValue() {
+	void sortByUnwrappedValue() {
 
 		// atFieldAnnotatedValue
-		Query query = new Query().with(Sort.by("embeddableValue.stringValue"));
+		Query query = new Query().with(Sort.by("unwrappedValue.stringValue"));
 
 		org.bson.Document document = mapper.getMappedSort(query.getSortObject(),
-				context.getPersistentEntity(WithEmbedded.class));
+				context.getPersistentEntity(WithUnwrapped.class));
 
 		assertThat(document).isEqualTo(new org.bson.Document("stringValue", 1));
 	}
 
 	@Test // DATAMONGO-1902
-	void sortByEmbeddableValueWithFieldAnnotation() {
+	void sortByUnwrappedValueWithFieldAnnotation() {
 
-		Query query = new Query().with(Sort.by("embeddableValue.atFieldAnnotatedValue"));
+		Query query = new Query().with(Sort.by("unwrappedValue.atFieldAnnotatedValue"));
 
 		org.bson.Document document = mapper.getMappedSort(query.getSortObject(),
-				context.getPersistentEntity(WithEmbedded.class));
+				context.getPersistentEntity(WithUnwrapped.class));
 
 		assertThat(document).isEqualTo(new org.bson.Document("with-at-field-annotation", 1));
 	}
 
 	@Test // DATAMONGO-1902
-	void sortByPrefixedEmbeddableValueWithFieldAnnotation() {
+	void sortByPrefixedUnwrappedValueWithFieldAnnotation() {
 
-		Query query = new Query().with(Sort.by("embeddableValue.atFieldAnnotatedValue"));
+		Query query = new Query().with(Sort.by("unwrappedValue.atFieldAnnotatedValue"));
 
 		org.bson.Document document = mapper.getMappedSort(query.getSortObject(),
-				context.getPersistentEntity(WithPrefixedEmbedded.class));
+				context.getPersistentEntity(WithPrefixedUnwrapped.class));
 
 		assertThat(document).isEqualTo(new org.bson.Document("prefix-with-at-field-annotation", 1));
 	}
 
 	@Test // DATAMONGO-1902
-	void sortByNestedEmbeddableValueWithFieldAnnotation() {
+	void sortByNestedUnwrappedValueWithFieldAnnotation() {
 
-		Query query = new Query().with(Sort.by("withEmbedded.embeddableValue.atFieldAnnotatedValue"));
+		Query query = new Query().with(Sort.by("withUnwrapped.unwrappedValue.atFieldAnnotatedValue"));
 
 		org.bson.Document document = mapper.getMappedSort(query.getSortObject(),
-				context.getPersistentEntity(WrapperAroundWithEmbedded.class));
+				context.getPersistentEntity(WrapperAroundWithUnwrapped.class));
 
-		assertThat(document).isEqualTo(new org.bson.Document("withEmbedded.with-at-field-annotation", 1));
+		assertThat(document).isEqualTo(new org.bson.Document("withUnwrapped.with-at-field-annotation", 1));
 	}
 
 	@Test // DATAMONGO-1902
-	void sortByNestedPrefixedEmbeddableValueWithFieldAnnotation() {
+	void sortByNestedPrefixedUnwrappedValueWithFieldAnnotation() {
 
-		Query query = new Query().with(Sort.by("withPrefixedEmbedded.embeddableValue.atFieldAnnotatedValue"));
+		Query query = new Query().with(Sort.by("withPrefixedUnwrapped.unwrappedValue.atFieldAnnotatedValue"));
 
 		org.bson.Document document = mapper.getMappedSort(query.getSortObject(),
-				context.getPersistentEntity(WrapperAroundWithEmbedded.class));
+				context.getPersistentEntity(WrapperAroundWithUnwrapped.class));
 
-		assertThat(document).isEqualTo(new org.bson.Document("withPrefixedEmbedded.prefix-with-at-field-annotation", 1));
+		assertThat(document).isEqualTo(new org.bson.Document("withPrefixedUnwrapped.prefix-with-at-field-annotation", 1));
 	}
 
 	@Test // DATAMONGO-1902
-	void projectOnEmbeddableUsesFields() {
+	void projectOnUnwrappedUsesFields() {
 
 		Query query = new Query();
-		query.fields().include("embeddableValue");
+		query.fields().include("unwrappedValue");
 
 		org.bson.Document document = mapper.getMappedFields(query.getFieldsObject(),
-				context.getPersistentEntity(WithEmbedded.class));
+				context.getPersistentEntity(WithUnwrapped.class));
 
 		assertThat(document).isEqualTo(
 				new org.bson.Document("stringValue", 1).append("listValue", 1).append("with-at-field-annotation", 1));
 	}
 
 	@Test // DATAMONGO-1902
-	void projectOnEmbeddableValue() {
+	void projectOnUnwrappedValue() {
 
 		Query query = new Query();
-		query.fields().include("embeddableValue.stringValue");
+		query.fields().include("unwrappedValue.stringValue");
 
 		org.bson.Document document = mapper.getMappedFields(query.getFieldsObject(),
-				context.getPersistentEntity(WithEmbedded.class));
+				context.getPersistentEntity(WithUnwrapped.class));
 
 		assertThat(document).isEqualTo(new org.bson.Document("stringValue", 1));
 	}
@@ -1375,28 +1375,28 @@ public class QueryMapperUnitTests {
 		}
 	}
 
-	static class WrapperAroundWithEmbedded {
+	static class WrapperAroundWithUnwrapped {
 
 		String someValue;
-		WithEmbedded withEmbedded;
-		WithPrefixedEmbedded withPrefixedEmbedded;
+		WithUnwrapped withUnwrapped;
+		WithPrefixedUnwrapped withPrefixedUnwrapped;
 	}
 
-	static class WithEmbedded {
+	static class WithUnwrapped {
 
 		String id;
 
-		@Embedded.Nullable EmbeddableType embeddableValue;
+		@Unwrapped.Nullable UnwrappableType unwrappedValue;
 	}
 
-	static class WithPrefixedEmbedded {
+	static class WithPrefixedUnwrapped {
 
 		String id;
 
-		@Embedded.Nullable("prefix-") EmbeddableType embeddableValue;
+		@Unwrapped.Nullable("prefix-") UnwrappableType unwrappedValue;
 	}
 
-	static class EmbeddableType {
+	static class UnwrappableType {
 
 		String stringValue;
 		List<String> listValue;

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/convert/UpdateMapperUnitTests.java

@@ -48,9 +48,9 @@ import org.springframework.data.domain.Sort.Order;
 import org.springframework.data.mapping.MappingException;
 import org.springframework.data.mongodb.MongoDatabaseFactory;
 import org.springframework.data.mongodb.core.DocumentTestUtils;
-import org.springframework.data.mongodb.core.mapping.Embedded;
 import org.springframework.data.mongodb.core.mapping.Field;
 import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
+import org.springframework.data.mongodb.core.mapping.Unwrapped;
 import org.springframework.data.mongodb.core.query.Criteria;
 import org.springframework.data.mongodb.core.query.Query;
 import org.springframework.data.mongodb.core.query.Update;
@@ -1091,71 +1091,71 @@ class UpdateMapperUnitTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void mappingShouldConsiderValueOfEmbeddedType() {
+	void mappingShouldConsiderValueOfUnwrappedType() {
 
-		Update update = new Update().set("embeddableValue.stringValue", "updated");
+		Update update = new Update().set("unwrappedValue.stringValue", "updated");
 
 		Document mappedUpdate = mapper.getMappedObject(update.getUpdateObject(),
-				context.getPersistentEntity(WithEmbedded.class));
+				context.getPersistentEntity(WithUnwrapped.class));
 
 		assertThat(mappedUpdate).isEqualTo(new Document("$set", new Document("stringValue", "updated")));
 	}
 
 	@Test // DATAMONGO-1902
-	void mappingShouldConsiderEmbeddedType() {
+	void mappingShouldConsiderUnwrappedType() {
 
-		EmbeddableType embeddableType = new EmbeddableType();
-		embeddableType.stringValue = "updated";
-		embeddableType.listValue = Arrays.asList("val-1", "val-2");
-		Update update = new Update().set("embeddableValue", embeddableType);
+		UnwrappableType unwrappableType = new UnwrappableType();
+		unwrappableType.stringValue = "updated";
+		unwrappableType.listValue = Arrays.asList("val-1", "val-2");
+		Update update = new Update().set("unwrappedValue", unwrappableType);
 
 		Document mappedUpdate = mapper.getMappedObject(update.getUpdateObject(),
-				context.getPersistentEntity(WithEmbedded.class));
+				context.getPersistentEntity(WithUnwrapped.class));
 
 		assertThat(mappedUpdate).isEqualTo(new Document("$set",
 				new Document("stringValue", "updated").append("listValue", Arrays.asList("val-1", "val-2"))));
 	}
 
 	@Test // DATAMONGO-1902
-	void mappingShouldConsiderValueOfPrefixedEmbeddedType() {
+	void mappingShouldConsiderValueOfPrefixedUnwrappedType() {
 
-		Update update = new Update().set("embeddableValue.stringValue", "updated");
+		Update update = new Update().set("unwrappedValue.stringValue", "updated");
 
 		Document mappedUpdate = mapper.getMappedObject(update.getUpdateObject(),
-				context.getPersistentEntity(WithPrefixedEmbedded.class));
+				context.getPersistentEntity(WithPrefixedUnwrapped.class));
 
 		assertThat(mappedUpdate).isEqualTo(new Document("$set", new Document("prefix-stringValue", "updated")));
 	}
 
 	@Test // DATAMONGO-1902
-	void mappingShouldConsiderPrefixedEmbeddedType() {
+	void mappingShouldConsiderPrefixedUnwrappedType() {
 
-		EmbeddableType embeddableType = new EmbeddableType();
-		embeddableType.stringValue = "updated";
-		embeddableType.listValue = Arrays.asList("val-1", "val-2");
+		UnwrappableType unwrappableType = new UnwrappableType();
+		unwrappableType.stringValue = "updated";
+		unwrappableType.listValue = Arrays.asList("val-1", "val-2");
 
-		Update update = new Update().set("embeddableValue", embeddableType);
+		Update update = new Update().set("unwrappedValue", unwrappableType);
 
 		Document mappedUpdate = mapper.getMappedObject(update.getUpdateObject(),
-				context.getPersistentEntity(WithPrefixedEmbedded.class));
+				context.getPersistentEntity(WithPrefixedUnwrapped.class));
 
 		assertThat(mappedUpdate).isEqualTo(new Document("$set",
 				new Document("prefix-stringValue", "updated").append("prefix-listValue", Arrays.asList("val-1", "val-2"))));
 	}
 
 	@Test // DATAMONGO-1902
-	void mappingShouldConsiderNestedPrefixedEmbeddedType() {
+	void mappingShouldConsiderNestedPrefixedUnwrappedType() {
 
-		EmbeddableType embeddableType = new EmbeddableType();
-		embeddableType.stringValue = "updated";
-		embeddableType.listValue = Arrays.asList("val-1", "val-2");
+		UnwrappableType unwrappableType = new UnwrappableType();
+		unwrappableType.stringValue = "updated";
+		unwrappableType.listValue = Arrays.asList("val-1", "val-2");
 
-		Update update = new Update().set("withPrefixedEmbedded.embeddableValue", embeddableType);
+		Update update = new Update().set("withPrefixedUnwrapped.unwrappedValue", unwrappableType);
 
 		Document mappedUpdate = mapper.getMappedObject(update.getUpdateObject(),
-				context.getPersistentEntity(WrapperAroundWithEmbedded.class));
+				context.getPersistentEntity(WrapperAroundWithUnwrapped.class));
 
-		assertThat(mappedUpdate).isEqualTo(new Document("$set", new Document("withPrefixedEmbedded",
+		assertThat(mappedUpdate).isEqualTo(new Document("$set", new Document("withPrefixedUnwrapped",
 				new Document("prefix-stringValue", "updated").append("prefix-listValue", Arrays.asList("val-1", "val-2")))));
 	}
 
@@ -1176,8 +1176,7 @@ class UpdateMapperUnitTests {
 		Document mappedUpdate = mapper.getMappedObject(update.getUpdateObject(),
 				context.getPersistentEntity(EntityWithObjectMap.class));
 
-		assertThat(mappedUpdate)
-				.isEqualTo("{\"$set\": {\"map.601218778970110001827396.value\": \"testing\"}}");
+		assertThat(mappedUpdate).isEqualTo("{\"$set\": {\"map.601218778970110001827396.value\": \"testing\"}}");
 	}
 
 	@Test // GH-3566
@@ -1187,8 +1186,7 @@ class UpdateMapperUnitTests {
 		Document mappedUpdate = mapper.getMappedObject(update.getUpdateObject(),
 				context.getPersistentEntity(EntityWithObjectMap.class));
 
-		assertThat(mappedUpdate)
-				.isEqualTo("{\"$set\": {\"map.class\": \"value\"}}");
+		assertThat(mappedUpdate).isEqualTo("{\"$set\": {\"map.class\": \"value\"}}");
 	}
 
 	static class DomainTypeWrappingConcreteyTypeHavingListOfInterfaceTypeAttributes {
@@ -1520,28 +1518,28 @@ class UpdateMapperUnitTests {
 
 	}
 
-	static class WrapperAroundWithEmbedded {
+	static class WrapperAroundWithUnwrapped {
 
 		String someValue;
-		WithEmbedded withEmbedded;
-		WithPrefixedEmbedded withPrefixedEmbedded;
+		WithUnwrapped withUnwrapped;
+		WithPrefixedUnwrapped withPrefixedUnwrapped;
 	}
 
-	static class WithEmbedded {
+	static class WithUnwrapped {
 
 		String id;
 
-		@Embedded.Nullable EmbeddableType embeddableValue;
+		@Unwrapped.Nullable UnwrappableType unwrappedValue;
 	}
 
-	static class WithPrefixedEmbedded {
+	static class WithPrefixedUnwrapped {
 
 		String id;
 
-		@Embedded.Nullable("prefix-") EmbeddableType embeddableValue;
+		@Unwrapped.Nullable("prefix-") UnwrappableType unwrappedValue;
 	}
 
-	static class EmbeddableType {
+	static class UnwrappableType {
 
 		String stringValue;
 		List<String> listValue;

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/core/index/MongoPersistentEntityIndexResolverUnitTests.java

@@ -44,12 +44,12 @@ import org.springframework.data.mongodb.core.index.MongoPersistentEntityIndexRes
 import org.springframework.data.mongodb.core.mapping.BasicMongoPersistentEntity;
 import org.springframework.data.mongodb.core.mapping.DBRef;
 import org.springframework.data.mongodb.core.mapping.Document;
-import org.springframework.data.mongodb.core.mapping.Embedded;
 import org.springframework.data.mongodb.core.mapping.Field;
 import org.springframework.data.mongodb.core.mapping.Language;
 import org.springframework.data.mongodb.core.mapping.MongoMappingContext;
 import org.springframework.data.mongodb.core.mapping.MongoPersistentEntity;
 import org.springframework.data.mongodb.core.mapping.MongoPersistentProperty;
+import org.springframework.data.mongodb.core.mapping.Unwrapped;
 import org.springframework.data.util.ClassTypeInformation;
 
 /**
@@ -1286,10 +1286,10 @@ public class MongoPersistentEntityIndexResolverUnitTests {
 		}
 
 		@Test // DATAMONGO-1902
-		public void resolvedIndexOnEmbeddedType() {
+		public void resolvedIndexOnUnwrappedType() {
 
-			List<IndexDefinitionHolder> indexDefinitions = prepareMappingContextAndResolveIndexForType(WithEmbedded.class,
-					EmbeddableType.class);
+			List<IndexDefinitionHolder> indexDefinitions = prepareMappingContextAndResolveIndexForType(WithUnwrapped.class,
+					UnwrappableType.class);
 
 			assertThat(indexDefinitions).hasSize(2);
 			assertThat(indexDefinitions.get(0)).satisfies(it -> {
@@ -1301,10 +1301,10 @@ public class MongoPersistentEntityIndexResolverUnitTests {
 		}
 
 		@Test // DATAMONGO-1902
-		public void resolvedIndexOnNestedEmbeddedType() {
+		public void resolvedIndexOnNestedUnwrappedType() {
 
 			List<IndexDefinitionHolder> indexDefinitions = prepareMappingContextAndResolveIndexForType(
-					WrapperAroundWithEmbedded.class, WithEmbedded.class, EmbeddableType.class);
+					WrapperAroundWithUnwrapped.class, WithUnwrapped.class, UnwrappableType.class);
 
 			assertThat(indexDefinitions).hasSize(2);
 			assertThat(indexDefinitions.get(0)).satisfies(it -> {
@@ -1319,7 +1319,7 @@ public class MongoPersistentEntityIndexResolverUnitTests {
 		public void errorsOnIndexOnEmbedded() {
 
 			assertThatExceptionOfType(InvalidDataAccessApiUsageException.class)
-					.isThrownBy(() -> prepareMappingContextAndResolveIndexForType(InvalidIndexOnEmbedded.class));
+					.isThrownBy(() -> prepareMappingContextAndResolveIndexForType(InvalidIndexOnUnwrapped.class));
 
 		}
 
@@ -1514,30 +1514,30 @@ public class MongoPersistentEntityIndexResolverUnitTests {
 		}
 
 		@Document
-		static class WrapperAroundWithEmbedded {
+		static class WrapperAroundWithUnwrapped {
 
 			String id;
-			WithEmbedded withEmbedded;
+			WithUnwrapped withEmbedded;
 		}
 
 		@Document
-		static class WithEmbedded {
+		static class WithUnwrapped {
 
 			String id;
 
-			@Embedded.Nullable EmbeddableType embeddableType;
+			@Unwrapped.Nullable UnwrappableType unwrappableType;
 		}
 
 		@Document
-		class InvalidIndexOnEmbedded {
+		class InvalidIndexOnUnwrapped {
 
 			@Indexed //
-			@Embedded.Nullable //
-			EmbeddableType embeddableType;
+			@Unwrapped.Nullable //
+					UnwrappableType unwrappableType;
 
 		}
 
-		static class EmbeddableType {
+		static class UnwrappableType {
 
 			@Indexed String stringValue;
 

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/AbstractPersonRepositoryIntegrationTests.java

@@ -1366,34 +1366,34 @@ public abstract class AbstractPersonRepositoryIntegrationTests {
 	}
 
 	@Test // DATAMONGO-1902
-	void findByValueInsideEmbedded() {
+	void findByValueInsideUnwrapped() {
 
 		Person bart = new Person("bart", "simpson");
 		User user = new User();
 		user.setUsername("bartman");
 		user.setId("84r1m4n");
-		bart.setEmbeddedUser(user);
+		bart.setUnwrappedUser(user);
 
 		operations.save(bart);
 
-		List<Person> result = repository.findByEmbeddedUserUsername(user.getUsername());
+		List<Person> result = repository.findByUnwrappedUserUsername(user.getUsername());
 
 		assertThat(result).hasSize(1);
 		assertThat(result.get(0).getId().equals(bart.getId()));
 	}
 
 	@Test // DATAMONGO-1902
-	void findByEmbedded() {
+	void findByUnwrapped() {
 
 		Person bart = new Person("bart", "simpson");
 		User user = new User();
 		user.setUsername("bartman");
 		user.setId("84r1m4n");
-		bart.setEmbeddedUser(user);
+		bart.setUnwrappedUser(user);
 
 		operations.save(bart);
 
-		List<Person> result = repository.findByEmbeddedUser(user);
+		List<Person> result = repository.findByUnwrappedUser(user);
 
 		assertThat(result).hasSize(1);
 		assertThat(result.get(0).getId().equals(bart.getId()));

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/Person.java

@@ -27,8 +27,8 @@ import org.springframework.data.mongodb.core.index.GeoSpatialIndexed;
 import org.springframework.data.mongodb.core.index.Indexed;
 import org.springframework.data.mongodb.core.mapping.DBRef;
 import org.springframework.data.mongodb.core.mapping.Document;
-import org.springframework.data.mongodb.core.mapping.Embedded;
 import org.springframework.data.mongodb.core.mapping.Field;
+import org.springframework.data.mongodb.core.mapping.Unwrapped;
 
 /**
  * Sample domain class.
@@ -71,8 +71,8 @@ public class Person extends Contact {
 
 	Credentials credentials;
 
-	@Embedded.Nullable(prefix = "u") //
-	User embeddedUser;
+	@Unwrapped.Nullable(prefix = "u") //
+	User unwrappedUser;
 
 	public Person() {
 
@@ -300,12 +300,12 @@ public class Person extends Contact {
 		return skills;
 	}
 
-	public User getEmbeddedUser() {
-		return embeddedUser;
+	public User getUnwrappedUser() {
+		return unwrappedUser;
 	}
 
-	public void setEmbeddedUser(User embeddedUser) {
-		this.embeddedUser = embeddedUser;
+	public void setUnwrappedUser(User unwrappedUser) {
+		this.unwrappedUser = unwrappedUser;
 	}
 
 	/*

spring-data-mongodb/src/test/java/org/springframework/data/mongodb/repository/PersonRepository.java

@@ -407,7 +407,7 @@ public interface PersonRepository extends MongoRepository<Person, String>, Query
 			Date createdAt, List<String> skills, String street, String zipCode, //
 			String city, UUID uniqueId, String username, String password);
 
-	List<Person> findByEmbeddedUserUsername(String username);
+	List<Person> findByUnwrappedUserUsername(String username);
 
-	List<Person> findByEmbeddedUser(User user);
+	List<Person> findByUnwrappedUser(User user);
 }

src/main/asciidoc/new-features.adoc

@@ -4,7 +4,7 @@
 [[new-features.3.2]]
 == What's New in Spring Data MongoDB 3.2
 
-* Support for <<embedded-entities,Embedded Types>> to unwrap nested objects into the parent `Document`.
+* Support for <<unwrapped-entities,unwrapping>> nested objects into the parent `Document`.
 * <<mongo-template.querying.field-selection,Support expressions to define field projections>>.
 
 [[new-features.3.1]]

src/main/asciidoc/reference/mapping.adoc

@@ -833,6 +833,6 @@ Events are fired throughout the lifecycle of the mapping process. This is descri
 
 Declaring these beans in your Spring ApplicationContext causes them to be invoked whenever the event is dispatched.
 
-include::embedded-documents.adoc[]
+include::unwrapping-entities.adoc[]
 
 include::mongo-custom-conversions.adoc[]

src/main/asciidoc/reference/unwrapping-entities.adoc

@@ -1,15 +1,15 @@
-[[embedded-entities]]
-== Embedded Types
+[[unwrapped-entities]]
+== Unwrapping Types
 
-Embedded entities are used to design value objects in your Java domain model whose properties are flattened out into the parent's MongoDB Document.
+Unwrapped entities are used to design value objects in your Java domain model whose properties are flattened out into the parent's MongoDB Document.
 
-[[embedded-entities.mapping]]
-=== Embedded Types Mapping
+[[unwrapped-entities.mapping]]
+=== Unwrapped Types Mapping
 
-Consider the following domain model where `User.name` is annotated with `@Embedded`.
-The `@Embedded` annotation signals that all properties of `UserName` should be unwrapped into the `user` document that owns the `name` property.
+Consider the following domain model where `User.name` is annotated with `@Unwrapped`.
+The `@Unwrapped` annotation signals that all properties of `UserName` should be flattened out into the `user` document that owns the `name` property.
 
-.Sample Code of embedding objects
+.Sample Code of unwrapping objects
 ====
 [source,java]
 ----
@@ -18,7 +18,7 @@ class User {
     @Id
     String userId;
 
-    @Embedded(onEmpty = USE_NULL) <1>
+    @Unwrapped(onEmpty = USE_NULL) <1>
     UserName name;
 }
 
@@ -43,23 +43,23 @@ class UserName {
 By using `onEmpty=USE_EMPTY` an empty `UserName`, with potential `null` value for its properties, will be created.
 ====
 
-For less verbose embeddable type declarations use `@Embedded.Nullable` and `@Embedded.Empty` instead `@Embedded(onEmpty = USE_NULL)` and `@Embedded(onEmpty = USE_EMPTY)`.
+For less verbose embeddable type declarations use `@Unwrapped.Nullable` and `@Unwrapped.Empty` instead `@Unwrapped(onEmpty = USE_NULL)` and `@Unwrapped(onEmpty = USE_EMPTY)`.
 Both annotations are meta-annotated with JSR-305 `@javax.annotation.Nonnull` to aid with nullability inspections.
 
 [WARNING]
 ====
-It is possible to use complex types within an embedded object.
-However, those must not be, nor contain embedded fields themselves.
+It is possible to use complex types within an unwrapped object.
+However, those must not be, nor contain unwrapped fields themselves.
 ====
 
-[[embedded-entities.mapping.field-names]]
-=== Embedded Types field names
+[[unwrapped-entities.mapping.field-names]]
+=== Unwrapped Types field names
 
-A value object can be embedded multiple times by using the optional `prefix` attribute of the `@Embedded` annotation.
-By dosing so the chosen prefix is prepended to each property or `@Field("…")` name in the embedded object.
+A value object can be unwrapped multiple times by using the optional `prefix` attribute of the `@Unwrapped` annotation.
+By dosing so the chosen prefix is prepended to each property or `@Field("…")` name in the unwrapped object.
 Please note that values will overwrite each other if multiple properties render to the same field name.
 
-.Sample Code of embedded object with name prefix
+.Sample Code of unwrapped object with name prefix
 ====
 [source,java]
 ----
@@ -68,10 +68,10 @@ class User {
     @Id
     String userId;
 
-    @Embedded.Nullable(prefix = "u_") <1>
+    @Unwrapped.Nullable(prefix = "u_") <1>
     UserName name;
 
-    @Embedded.Nullable(prefix = "a_") <2>
+    @Unwrapped.Nullable(prefix = "a_") <2>
     UserName name;
 }
 
@@ -97,10 +97,10 @@ class UserName {
 <2> All properties of `UserName` are prefixed with `a_`.
 ====
 
-While combining the `@Field` annotation with `@Embedded` on the very same property does not make sense and therefore leads to an error.
-It is a totally valid approach to use `@Field` on any of the embedded types properties.
+While combining the `@Field` annotation with `@Unwrapped` on the very same property does not make sense and therefore leads to an error.
+It is a totally valid approach to use `@Field` on any of the unwrapped types properties.
 
-.Sample Code embedded object with `@Field` annotation
+.Sample Code unwrapping objects with `@Field` annotation
 ====
 [source,java]
 ----
@@ -109,7 +109,7 @@ public class User {
 	@Id
     private String userId;
 
-    @Embedded.Nullable(prefix = "u-") <1>
+    @Unwrapped.Nullable(prefix = "u-") <1>
     UserName name;
 }
 
@@ -132,17 +132,17 @@ public class UserName {
 }
 ----
 <1> All properties of `UserName` are prefixed with `u-`.
-<2> Final field names are a result of concatenating `@Embedded(prefix)` and `@Field(name)`.
+<2> Final field names are a result of concatenating `@Unwrapped(prefix)` and `@Field(name)`.
 ====
 
-[[embedded-entities.queries]]
-=== Query on Embedded Objects
+[[unwrapped-entities.queries]]
+=== Query on Unwrapped Objects
 
-Defining queries on embedded properties is possible on type- as well as field-level as the provided `Criteria` is matched against the domain type.
+Defining queries on unwrapped properties is possible on type- as well as field-level as the provided `Criteria` is matched against the domain type.
 Prefixes and potential custom field names will be considered when rendering the actual query.
-Use the property name of the embedded object to match against all contained fields as shown in the sample below.
+Use the property name of the unwrapped object to match against all contained fields as shown in the sample below.
 
-.Query on embedded object
+.Query on unwrapped object
 ====
 [source,java]
 ----
@@ -160,9 +160,9 @@ db.collection.find({
 ----
 ====
 
-It is also possible to address any field of the embedded object directly using its property name as shown in the snippet below.
+It is also possible to address any field of the unwrapped object directly using its property name as shown in the snippet below.
 
-.Query on field of embedded object
+.Query on field of unwrapped object
 ====
 [source,java]
 ----
@@ -178,12 +178,12 @@ db.collection.find({
 ----
 ====
 
-[[embedded-entities.queries.sort]]
-==== Sort by embedded field.
+[[unwrapped-entities.queries.sort]]
+==== Sort by unwrapped field.
 
-Fields of embedded objects can be used for sorting via their property path as shown in the sample below.
+Fields of unwrapped objects can be used for sorting via their property path as shown in the sample below.
 
-.Sort on embedded field
+.Sort on unwrapped field
 ====
 [source,java]
 ----
@@ -201,15 +201,15 @@ db.collection.find({
 
 [NOTE]
 ====
-Though possible, using the embedded object itself as sort criteria includes all of its fields in unpredictable order and may result in inaccurate ordering.
+Though possible, using the unwrapped object itself as sort criteria includes all of its fields in unpredictable order and may result in inaccurate ordering.
 ====
 
-[[embedded-entities.queries.project]]
-==== Field projection on embedded objects
+[[unwrapped-entities.queries.project]]
+==== Field projection on unwrapped objects
 
-Fields of embedded objects can be subject for projection either as a whole or via single fields as shown in the samples below.
+Fields of unwrapped objects can be subject for projection either as a whole or via single fields as shown in the samples below.
 
-.Project on embedded object.
+.Project on unwrapped object.
 ====
 [source,java]
 ----
@@ -228,10 +228,10 @@ db.collection.find({
   "lastname" : 1
 })
 ----
-<1> A field projection on an embedded object includes all of its properties.
+<1> A field projection on an unwrapped object includes all of its properties.
 ====
 
-.Project on a field of an embedded object.
+.Project on a field of an unwrapped object.
 ====
 [source,java]
 ----
@@ -249,21 +249,21 @@ db.collection.find({
   "firstname" : 1
 })
 ----
-<1> A field projection on an embedded object includes all of its properties.
+<1> A field projection on an unwrapped object includes all of its properties.
 ====
 
-[[embedded-entities.queries.by-example]]
-==== Query By Example on embedded object.
+[[unwrapped-entities.queries.by-example]]
+==== Query By Example on unwrapped object.
 
-Embedded objects can be used within an `Example` probe just as any other type.
+Unwrapped objects can be used within an `Example` probe just as any other type.
 Please review the <<query-by-example.running,Query By Example>> section, to learn more about this feature.
 
-[[embedded-entities.queries.repository]]
-==== Repository Queries on embedded objects.
+[[unwrapped-entities.queries.repository]]
+==== Repository Queries on unwrapped objects.
 
-The `Repository` abstraction allows deriving queries on fields of embedded objects as well as the entire object.
+The `Repository` abstraction allows deriving queries on fields of unwrapped objects as well as the entire object.
 
-.Repository queries on embedded objects.
+.Repository queries on unwrapped objects.
 ====
 [source,java]
 ----
@@ -274,23 +274,23 @@ interface UserRepository extends CrudRepository<User, String> {
 	List<User> findByNameFirstname(String firstname); <2>
 }
 ----
-<1> Matches against all fields of the embedded object.
+<1> Matches against all fields of the unwrapped object.
 <2> Matches against the `firstname`.
 ====
 
 [NOTE]
 ====
-Index creation for embedded objects is suspended even if the repository `create-query-indexes` namespace attribute is set to `true`.
+Index creation for unwrapped objects is suspended even if the repository `create-query-indexes` namespace attribute is set to `true`.
 ====
 
-[[embedded-entities.update]]
-=== Update on Embedded Objects
+[[unwrapped-entities.update]]
+=== Update on Unwrapped Objects
 
-Embedded objects can be updated as any other object that is part of the domain model.
-The mapping layer takes care of flattening embedded structures into their surroundings.
-It is possible to update single attributes of the embedded object as well as the entire value as shown in the examples below.
+Unwrapped objects can be updated as any other object that is part of the domain model.
+The mapping layer takes care of flattening structures into their surroundings.
+It is possible to update single attributes of the unwrapped object as well as the entire value as shown in the examples below.
 
-.Update a single field of an embedded object.
+.Update a single field of an unwrapped object.
 ====
 [source,java]
 ----
@@ -312,7 +312,7 @@ db.collection.update({
 ----
 ====
 
-.Update an embedded object.
+.Update an unwrapped object.
 ====
 [source,java]
 ----
@@ -337,18 +337,18 @@ db.collection.update({
 ----
 ====
 
-[[embedded-entities.aggregations]]
-=== Aggregations on Embedded Objects
+[[unwrapped-entities.aggregations]]
+=== Aggregations on Unwrapped Objects
 
-The <<mongo.aggregation,Aggregation Framework>> will attempt to map embedded values of typed aggregations.
-Please make sure to work with the property path including the embedded wrapper object when referencing one of its values.
+The <<mongo.aggregation,Aggregation Framework>> will attempt to map unwrapped values of typed aggregations.
+Please make sure to work with the property path including the wrapper object when referencing one of its values.
 Other than that no special action is required.
 
-[[embedded-entities.indexes]]
-=== Index on Embedded Objects
+[[unwrapped-entities.indexes]]
+=== Index on Unwrapped Objects
 
-It is possible to attach the `@Indexed` annotation to properties of an embedded type just as it is done with regular objects.
-It is not possible to use `@Indexed` along with the `@Embedded` annotation on the owning property.
+It is possible to attach the `@Indexed` annotation to properties of an unwrapped type just as it is done with regular objects.
+It is not possible to use `@Indexed` along with the `@Unwrapped` annotation on the owning property.
 
 ====
 [source,java]
@@ -358,12 +358,12 @@ public class User {
 	@Id
     private String userId;
 
-    @Embedded(onEmpty = USE_NULL)
+    @Unwrapped(onEmpty = USE_NULL)
     UserName name;                    <1>
 
     // Invalid -> InvalidDataAccessApiUsageException
     @Indexed                          <2>
-    @Embedded(onEmpty = USE_Empty)
+    @Unwrapped(onEmpty = USE_Empty)
     Address address;
 }
 
@@ -376,7 +376,7 @@ public class UserName {
 }
 ----
 <1> Index created for `lastname` in `users` collection.
-<2> Invalid `@Indexed` usage along with `@Embedded`
+<2> Invalid `@Indexed` usage along with `@Unwrapped`
 ====