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

Public Static Fields

No JavaDoc Info for jakarta.persistence.PrimaryKeyJoinColumns/class

Public Instance Methods

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.
Since:
Jakarta Persistence (JPA) 2.1
PrimaryKeyJoinColumn[] value()
One or more PrimaryKeyJoinColumn annotations.
Since:
Jakarta Persistence (JPA) 1.0

Annotation Elements

This is a marker annotation with no members/elements.

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

java.lang.annotation.Annotation/annotationType(), java.lang.annotation.Annotation/equals(Object), java.lang.annotation.Annotation/hashCode(), java.lang.annotation.Annotation/toString()