-
@Target({METHOD,FIELD}) @Retention(RUNTIME) public @interface MapsId
Designates aManyToOne
orOneToOne
relationship attribute that provides the mapping for anEmbeddedId
primary key, an attribute within anEmbeddedId
primary key, or a simple primary key of the parent entity.The
value()
element specifies the attribute within a composite key to which the relationship attribute corresponds. If the primary key of the entity is of the same Java type as the primary key of the entity referenced by the relationship, thevalue
attribute is not specified.In this example, the parent entity has simple primary key: {@snippet :
- Since:
- 2.0
-
-
Optional Element Summary
Optional Elements Modifier and Type Optional Element Description java.lang.String
value
(Optional) The name of the attribute within the composite key to which the relationship attribute corresponds.
-