Note: This ORM/SQL annotation is silently ignored by ObjectDB

javax.persistence.PrimaryKeyJoinColumns - JPA annotation

Annotation PrimaryKeyJoinColumns

Classes and fields (including property get methods)
Groups PrimaryKeyJoinColumn annotations. It is used to map composite foreign keys.

Example: ValuedCustomer subclass

    public class ValuedCustomer extends Customer { ... }
JPA 1.0
One or more PrimaryKeyJoinColumn annotations.
One or more PrimaryKeyJoinColumn annotations.
JPA 1.0

This documentation page is derived (with some adjustments) from the open source JPA 2 RI (EclipseLink)
and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0.
Object Relational Mapping (ORM) JPA 2 providers include Hibernate, EclipseLink, TopLink, OpenJPA and DataNucleus.
ObjectDB is not an ORM JPA implementation but an Object Database for Java with built in JPA 2 support.