休眠映射问题-一对一

Question

我无法使用QuoteApprovalLevels一对一地映射OrderApprovalLevels和UserCustomer 。 我收到以下错误：

Caused by: javax.persistence.PersistenceException: [PersistenceUnit: oqtPersistenceUnit] Unable to build EntityManagerFactory
    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:915) [hibernate-entitymanager-3.6.10.Final.jar:3.6.10.Final]
    at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:74) [hibernate-entitymanager-3.6.10.Final.jar:3.6.10.Final]
    at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:288) [spring-orm-3.2.4.RELEASE.jar:3.2.4.RELEASE]
    at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.afterPropertiesSet(AbstractEntityManagerFactoryBean.java:310) [spring-orm-3.2.4.RELEASE.jar:3.2.4.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1541) [spring-beans-3.2.4.RELEASE.jar:3.2.4.RELEASE]
    at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1479) [spring-beans-3.2.4.RELEASE.jar:3.2.4.RELEASE]
    ... 33 more
Caused by: org.hibernate.HibernateException: Missing column: orderApprovalLevel in poqt01.oqt_user_ic01

源代码

/**
 * Created with IntelliJ IDEA.
 * User: vartiwari
 * Date: 2/1/16
 * Time: 5:22 PM
 * To change this template use File | Settings | File Templates.
 */
@SuppressWarnings("PMD.UnusedPrivateField")
@Entity
@Table(name = "oqt_user_ic01")
@AssociationOverrides({
        @AssociationOverride(name = "pk.user", joinColumns = @JoinColumn(name = "ftId")),
        @AssociationOverride(name = "pk.customer", joinColumns = @JoinColumn(name = "ic01s"))
})
public class UserCustomer implements Serializable{

    //'pk' refers to the composite key for oqt_user_ic01 with columns ftID for User and ic01 for Customer
    private UserCustomerId pk;
    private boolean ic01FromMSS;

    @OneToOne(cascade = CascadeType.ALL)
    @Column(name = "orderApprovalLevelId")
    private OrderApprovalLevels orderApprovalLevel;

    @OneToOne(cascade = CascadeType.ALL)
    @Column(name = "quoteApprovalLevelId")
    private QuoteApprovalLevels quoteApprovalLevel;

    @EmbeddedId
    public UserCustomerId getPk() {
        if(pk == null){
            pk = new UserCustomerId();
        }
        return pk;
    }

    public void setPk(UserCustomerId pk) {
        this.pk = pk;
    }

    @Transient
    public User getUser() {
        return getPk().getUser();
    }

    public void setUser(User user){
        getPk().setUser(user);
    }

    @Transient
    public Customer getCustomer() {
        return getPk().getCustomer();
    }

    public void setCustomer(Customer customer){
        getPk().setCustomer(customer);
    }

    @Column(name = "ic01FromMSS",nullable = false)
    public boolean isIc01FromMSS() {
        return ic01FromMSS;
    }

    public void setIc01FromMSS(boolean ic01FromMSS) {
        this.ic01FromMSS = ic01FromMSS;
    }


    public OrderApprovalLevels getOrderApprovalLevel() {
        return orderApprovalLevel;
    }

    public void setOrderApprovalLevel(OrderApprovalLevels orderApprovalLevel) {
        this.orderApprovalLevel = orderApprovalLevel;
    }

    public QuoteApprovalLevels getQuoteApprovalLevel() {
        return quoteApprovalLevel;
    }

    public void setQuoteApprovalLevel(QuoteApprovalLevels quoteApprovalLevel) {
        this.quoteApprovalLevel = quoteApprovalLevel;
    }
}

@Entity
@Table(name="oqt_customer_quote_approval_levels")
@Getter
@Setter
@NoArgsConstructor
@SuppressWarnings({"PMD.UnusedPrivateField", "PMD.SingularField"})
public class QuoteApprovalLevels implements Serializable {
    @Id
    @GeneratedValue(strategy = GenerationType.AUTO)
    @Column
    private Long id;
    private Long approvalLevel;
    private String approvalLabel;
}

Answer 1

我认为您需要使用@JoinColumn进行一对一关系

    @OneToOne(cascade = CascadeType.ALL)
    @JoinColumn(name = "orderApprovalLevelId")
    private OrderApprovalLevels orderApprovalLevel;