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글로벌 페치 전략 설정

영속성 전이 설정

Delivery Entity

@Entity
public class Delivery {

//생략

    @OneToOne(mappedBy = "delivery", fetch = LAZY)
    private Order order;

Category Entity

@Entity
public class Category {

// 생략

    @ManyToOne(fetch = LAZY)
    @JoinColumn(name = "PARENT_ID")
    private Category parent;

// 생략
}

Order Entity

@Entity
@Table(name = "ORDERS")
public class Order {

// 생략

    @ManyToOne(fetch = LAZY)
    @JoinColumn(name = "MEMBER_ID")
    private Member member;

    @OneToOne(fetch = LAZY, cascade = ALL)
    @JoinColumn(name = "DELIVERY_ID")
    private Delivery delivery;

		@OneToMany(mappedBy = "order", cascade = ALL)
    private List<OrderItem> orderItems = new ArrayList<>();
// 생략

OrderItem Entity

@Entity
public class OrderItem {

// 생략

    @ManyToOne(fetch = LAZY)
    @JoinColumn(name = "ORDER_ID")
    private Order order;

    @ManyToOne(fetch = LAZY)
    @JoinColumn(name = "ITEM_ID")
    private Item item;

// 생략