Notice: this Wiki will be going read only early in 2024 and edits will no longer be possible. Please see: https://gitlab.eclipse.org/eclipsefdn/helpdesk/-/wikis/Wiki-shutdown-plan for the plan.
EclipseLink/Examples/MOXy/JPA/CompoundPrimaryKeys
< EclipseLink | Examples | MOXy | JPA
Revision as of 12:07, 1 December 2009 by Blaise.doughan.oracle.com (Talk | contribs) (→JPA Entities)
Overview
JPA Entities
@Entity public class PhoneNumber { @ManyToOne @JoinColumns({ @JoinColumn(name="E_ID", referencedColumnName = "E_ID"), @JoinColumn(name="E_COUNTRY", referencedColumnName = "COUNTRY") }) @XmlIDREF private Employee contact; }
@Entity @IdClass(EmployeeId.class) public class Employee { @Id @Column(name="E_ID") @XmlID private BigDecimal eId; @Id @XmlID private String country; @OneToMany(mappedBy="contact") @XmlInverseReference(mappedBy="contact") private List<PhoneNumber> contactNumber; }
public class EmployeeId { private BigDecimal eId; private String country; }