6.8.9 订单明细实体

订单明细实体与订单实体是单向的多对一的关系，与产品是单向的多对一的关系。它的代码如下所示。

LineItemEO实体

@Entity

@Table(name = "tb_line_item")

public class LineItemEO implements java.io.Serializable {

 

         public LineItemEO() {}

 

         private Integer id;

 

         /** 订单明细ID */

         @Id

         @GeneratedValue(strategy = GenerationType.AUTO)

         @Column(name = "id")

         public Integer getId() {

                  return this.id;

         }

 

         public void setId(Integer id) {

                  this.id = id;

         }

 

         private Integer quantity;

 

         /** 订单条目的数量 */

         @Column(name = "quantity")

         public Integer getQuantity() {

                  return this.quantity;

         }

 

         public void setQuantity(Integer quantity) {

                  this.quantity = quantity;

         }

 

         private ProductEO product;

 

         /** 所订购的产品 */

         @ManyToOne

         @JoinColumn(name = "product_id")

         public ProductEO getProduct() {

                  return product;

         }

 

         public void setProduct(ProductEO product) {

                  this.product = product;

         }

 

}