Question

我需要在已嵌入主键的实体上编写批量插入查询

我有以下实体，

@Entity
@Table(name = "MAP_SCHEDULE_LOB")
public class MapScheduleLob implements java.io.Serializable {
   private MapScheduleLobId id;

    @EmbeddedId
@AttributeOverrides( {
        @AttributeOverride(name = "scheduleReferenceId", column = @Column(name = "SCHEDULE_REFERENCE_ID", nullable = false, precision = 38, scale = 0)),
        @AttributeOverride(name = "lobCode", column = @Column(name = "LOB_CODE", nullable = false, length = 30)),
        @AttributeOverride(name = "sapThreadStatus", column = @Column(name = "SAP_THREAD_STATUS", nullable = false))
        })
public MapScheduleLobId getId() {
    return this.id;
}

   public void setId(MapScheduleLobId id) {
    this.id = id;
}

}

以下是我的嵌入式实体，

@Embeddable
public class MapScheduleLobId implements java.io.Serializable{
    private Long scheduleReferenceId;
private String lobCode;//default

   public MapScheduleLobId(Long scheduleReferenceId, String lobCode) {
    this.scheduleReferenceId = scheduleReferenceId;
    this.setLobCode(lobCode);
    this.setSapThreadStatus(0);
}


@Column(name = "SCHEDULE_REFERENCE_ID", nullable = false, precision = 38, scale = 0)
public Long getScheduleReferenceId() {
    return this.scheduleReferenceId;
}

public void setScheduleReferenceId(Long scheduleReferenceId) {
    this.scheduleReferenceId = scheduleReferenceId;
}

@Column(name="LOB_CODE",nullable=false,length = 30)
public String getLobCode() {
    return lobCode;
}

public void setLobCode(String lobCode) {
    this.lobCode = lobCode;
}


}

现在我已经执行了JPQL查询，如

插入MapScheduleLob（scheduleReferenceId，lobCode）从DownloadScheduleView模型中选择新的com.eks.srs.service.schedule.entity.MapScheduleLobId（model.id.scheduleReferenceId，model.lobCode），其中model.id.scheduleReferenceId = 10

它给了我例外。如果我没有嵌入式密钥，则上述查询有效。

所以任何人都可以帮助如何使用Embedded Key编写批量插入查询。

我使用过EJB 3.1和JPA，Hibernate 4和Jboss 7.2。

批量插入查询+嵌入式实体+ JPA + Hibernate

0 个答案: