Annotation Type PrimaryKeyJoinColumns

@Target({TYPE,METHOD,FIELD})
@Retention(RUNTIME)
public @interface PrimaryKeyJoinColumns

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 { ... }

Since:

Java Persistence 1.0

Required Element Summary

Required Elements

Modifier and Type	Required Element	Description
PrimaryKeyJoinColumn[]	value

Optional Element Summary

Optional Elements

Modifier and Type	Optional Element	Description
ForeignKey	foreignKey	(Optional) The foreign key constraint specification for the join columns.

Element Details

value

PrimaryKeyJoinColumn[] value

foreignKey

ForeignKey foreignKey

(Optional) The foreign key constraint specification for the join columns. This is used only if table generation is in effect. Default is provider defined.

Returns:

The foreign key specification

Default:

@jakarta.persistence.ForeignKey