Package org.springframework.data.cassandra.core.mapping

Annotation Interface Embedded

@Documented
@Retention(RUNTIME)
@Target({ANNOTATION_TYPE,FIELD,METHOD})
public @interface Embedded

The annotation to configure a value object as embedded in the current table.

Depending on the value of onEmpty() the property is set to null or an empty instance in the case all embedded values are null when reading from the result set.

Since:

3.0

Author:

Christoph Strobl

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static @interface	Embedded.Empty	Shortcut for an empty embedded property.
static @interface	Embedded.Nullable	Shortcut for a nullable embedded property.
static enum	Embedded.OnEmpty	Load strategy to be used onEmpty().

Required Element Summary

Required Elements

Modifier and Type	Required Element	Description
Embedded.OnEmpty	onEmpty	Set the load strategy for the embedded object if all contained fields yield null values.

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element	Description
String	prefix

Element Details

onEmpty

Embedded.OnEmpty onEmpty

Set the load strategy for the embedded object if all contained fields yield null values.

@Embedded.Nullable and @Embedded.Empty offer shortcuts for this.

Returns:

never null.

prefix

String prefix

Returns:

prefix for columns in the embedded value object. An empty String by default.

Default:

""