Java 孤儿不能冬眠
我有两个hibernate JPA实体,如下所示:Java 孤儿不能冬眠,java,hibernate,jpa,Java,Hibernate,Jpa,我有两个hibernate JPA实体,如下所示: @Entity @Table(name = "[pembelian].[PO]") public class PO implements Serializable { @Id @GeneratedValue(strategy = GenerationType.IDENTITY) private int id; private Date tglPO; private String keteranga
@Entity
@Table(name = "[pembelian].[PO]")
public class PO implements Serializable {
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private int id;
private Date tglPO;
private String keterangan;
private String alamat;
@OneToMany(fetch = FetchType.LAZY, cascade = CascadeType.ALL, mappedBy = "po", orphanRemoval = true)
private List<DetailPO> detailPOList;
}
在我的例子中,我有一个带有3个列表节点DetailPO的PO。然后,我删除了一个DetailPO节点,所以我现在只有2个列表节点。之后,我想将采购订单保存在数据库中。数据已成功保存,但我删除的DetailPO未在数据库中删除
我的代码有错误吗
以前谢谢您。您是如何删除的?你试过po.getdetailPOList.removepo然后session.saveOrUpdate吗我试过像这样删除po.getdetailPOList.removedetailPo然后session.savepo.cn你试过saveOrUpdate吗?是的,我试过了。但是我得到了同样的结果。ypu能把代码贴在你要做的地方吗。。整个事务块。
@Entity
@Table(name = "[pembelian].[DetailPO]")
public class DetailPO implements Serializable{
@Id
@GeneratedValue(strategy = GenerationType.IDENTITY)
private int id;
@ManyToOne
@JoinColumn(name = "PO_id")
private PO po;
private double qty;
private BigDecimal harga = new BigDecimal(0);
private BigDecimal diskon = new BigDecimal(0);
private BigDecimal pajak = new BigDecimal(0);
}