Jakarta Persistence (JPA) Annotation Type

jakarta.persistence.PrimaryKeyJoinColumns

Implemented Interfaces:
Annotation
Target:
Type, Method, Field
Groups PrimaryKeyJoinColumn annotations. It is used to map composite foreign keys.

Example: ValuedCustomer subclass 

 @Entity
 @Table(name = "VCUST")
 @DiscriminatorValue("VCUST")
 @PrimaryKeyJoinColumns({
     @PrimaryKeyJoinColumn(name = "CUST_ID",
                           referencedColumnName = "ID"),
     @PrimaryKeyJoinColumn(name = "CUST_TYPE",
                           referencedColumnName = "TYPE")})
 public class ValuedCustomer extends Customer { ... }
See Also:
Since:
Jakarta Persistence (JPA) 1.0

Annotation Elements

PrimaryKeyJoinColumn[] value
One or more PrimaryKeyJoinColumn annotations.
Since:
Jakarta Persistence (JPA) 1.0
ForeignKey foreignKey
(Optional) Used to specify or control the generation of a foreign key constraint when table generation is in effect.
If both this element and the foreignKey element of any of the PrimaryKeyJoinColumn elements are specified, the behavior is undefined. If no foreign key annotation element is specified in either location, a default foreign key strategy is selected by the persistence provider.
Default:
@ForeignKey(ConstraintMode.PROVIDER_DEFAULT)
Since:
Jakarta Persistence (JPA) 2.1

Additional JDK methods inherited from java.lang.annotation.Annotation

annotationType(), equals(Object), hashCode(), toString()