모델2 -연관관계

java

닫기 줄바꿈

package com.example.model.entity;

public enum OrderStatus {
​​​​ORDER,CANCEL
}

java

닫기 줄바꿈

package com.example.model.entity;

import lombok.Getter;
import lombok.Setter;
import lombok.ToString;

import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;

@Getter
@Setter
@ToString
@Entity
public class Item {

​​​​@Id
​​​​@GeneratedValue
​​​​@Column(name="ITEM_ID")
​​​​private Long id;


​​​​private String name;       //이름
​​​​private int price;         //가격
​​​​private int stockQuntity;  //재고수량


}

java

닫기 줄바꿈

package com.example.model.entity;

import lombok.Getter;
import lombok.Setter;
import lombok.ToString;

import javax.persistence.*;
import java.util.ArrayList;
import java.util.List;

@Getter
@Setter
@ToString(exclude = {"orders"})
@Entity
public class Member {

​​​​@Id
​​​​@GeneratedValue
​​​​@Column(name="MEMBER_ID")
​​​​private Long id;

​​​​private String name;

​​​​private String city;
​​​​private String street;
​​​​private String zipcode;

​​​​@OneToMany(mappedBy = "member")
​​​​private List<Order> orders = new ArrayList<Order>();

}

java

닫기 줄바꿈

package com.example.model.entity;

import lombok.Getter;
import lombok.Setter;
import lombok.ToString;

import javax.persistence.*;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;

@Getter
@Setter
@ToString(exclude = {"member","orderItems"})
@Entity
@Table(name="ORDERS")
public class Order {

​​​​@Id
​​​​@GeneratedValue
​​​​@Column(name="ORDER_ID")
​​​​private Long id;

​​​​@ManyToOne
​​​​@JoinColumn(name = "MEMBER_ID")
​​​​private Member member;   //주문회원

​​​​@OneToMany(mappedBy = "order")
​​​​private List<OrderItem> orderItems = new ArrayList<OrderItem>();

​​​​@Temporal(TemporalType.TIMESTAMP)
​​​​private Date orderDate;   //주문시간

​​​​@Enumerated(EnumType.STRING)
​​​​private OrderStatus status; //주문상태

​​​​// 연관관계 메서드
​​​​public void setMember(Member member) {
​​​​​​​​//기존 관계 제거
​​​​​​​​if( this.member != null) {
​​​​​​​​​​​​this.member.getOrders().remove(this);
​​​​​​​​}
​​​​​​​​this.member = member;
​​​​​​​​member.getOrders().add(this);
​​​​}

​​​​public void addOrderItem(OrderItem orderItem) {
​​​​​​​​orderItems.add(orderItem);
​​​​​​​​orderItem.setOrder(this);

​​​​}

}

java

닫기 줄바꿈

package com.example.model.entity;

import lombok.Getter;
import lombok.Setter;
import lombok.ToString;

import javax.persistence.*;

@ToString(exclude = {"item","order"})
@Getter
@Setter
@Entity
@Table(name = "ORDER_ITEM")
public class OrderItem {

​​​​@Id
​​​​@GeneratedValue
​​​​@Column(name="ORDER_ITEM_ID")
​​​​private Long id;

​​​​@ManyToOne
​​​​@JoinColumn(name = "ITEM_ID")
​​​​private Item item;  //주문상품

​​​​@ManyToOne
​​​​@JoinColumn(name="ORDER_ID")
​​​​private Order order;  //주문

​​​​private int orderPrice;   //주문가격
​​​​private int count;        //주문수량


}