java如何持久化具有两个@manytomy属性的Jpa实体
我有一个具有两个@manytomy属性的实体。这里的问题是,其中一个属性是持久的,而另一个属性不是。有什么问题吗。实体如下所示
@Entity("payment")
public class PaymentData implements Serializable
{
private Long pk;
private Collection<PaymentItemData> paymentItem;
/**
* minorPaymentItem
*
*/
private Collection<MinorPayItemData> minorPaymentItem;
@LazyCollection(LazyCollectionOption.FALSE)
@ManyToMany
@JoinTable(name = "payitem_m_assig",
joinColumns =
@JoinColumn(name = "pay_item_id", nullable = false),
inverseJoinColumns =
@JoinColumn(name = "minor_pay_item_id", nullable = false))
public Collection<MinorPayItemData> getMinorPaymentItem()
{
return minorPaymentItem;
}
/**
* @param minorPaymentItem the minorPaymentItem to set
*/
public void setMinorPaymentItem(final Collection<MinorPayItemData> value)
{
this.minorPaymentItem = value;
}
@LazyCollection(LazyCollectionOption.FALSE)
@ManyToMany
@JoinTable(name = "payitem_assigned",
joinColumns =
@JoinColumn(name = "pay_item_id", nullable = false),
inverseJoinColumns =
@JoinColumn(name = "new_pay_item_id", nullable = false))
public Collection<PaymentItemData> getPaymentItem()
{
return paymentItem;
}
/**
* Set the property paymentItem
*
* @param value -paymentItem
*
*/
public void setPaymentItem(final Collection<PaymentItemData> value)
{
this.paymentItem = value;
}
}
@Entity("minor")
public class MinorPayItemData implements Serializable
{
}
@Entity("major")
public class PaymentItemData extends MinorPayItemData
{
}
MinorPayItemData和PaymentItemData保存在同一数据库中。它们由一个分色柱分开
仅保留paymentItem属性。我做错了什么
共 (0) 个答案