[JPA] 실전예제 1~2

Member Entity

@Data
@Entity
public class Member {
	@Id
    @Column(name = "MEMBER_ID")
    @GeneratedValue // strategy 생략 시 AUTO 전략 사용
    private Long id;
    private String name;
    private String city;
    private String street;
    private String zipcode;
}

Order Entity

@Data
@Entity
@Table(name="ORDERS")
public class Order {
	@Id @GeneratedValue
    @Column(name = "ORDER_ID")
    private Long id;
    @Column(name = "MEMBER_ID")
    private Long memberId;
    private LocalDateTime orderDate;
    @Enumerated(EnumType.STRING)
    private OrderStatus orderStatus;
}

public enum OrderStatus {
	ORDER, ENUM
}

Item Entity

@Data
@Entity
public class Item {
	@Id @GeneratedValue
    @Column(name = "ITEM_ID")
    private Long id;
    private String name;
    private int price;
    private int stockQuantity;
}

OrderItem Entity

@Data
@Entity
public class OrderItem {
	@Id @GeneratedValue
    @Column(name = "ORDER_ITEM_ID")
    private Long id;
    @Column(name = "ORDER_ID")
    private Long orderId;
    @Column(name = "ITEM_ID")
    private Long itemId;
    private int orderPrice;
    private int count;
}