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EclipseLink/Examples/MOXy/JPA/EmbeddedIdClass
< EclipseLink | Examples | MOXy | JPA
Revision as of 12:06, 1 December 2009 by Blaise.doughan.oracle.com (Talk | contribs) (New page: == Overview == == JPA Entities == <source lang="java"> @Entity public class PhoneNumber { @ManyToOne @JoinColumns({ @JoinColumn(name="E_ID", referencedColumnName = "E_ID...)
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 { @EmbeddedId private EmployeeId id; @OneToMany(mappedBy="contact") @XmlInverseReference(mappedBy="contact") private List<PhoneNumber> contactNumber; }
@Embeddable public class EmployeeId { @Column(name="E_ID") private BigDecimal eId; private String country; }