인프런 커뮤니티 질문&답변

강의에서 order에 orderItemQuerydto를 컬렉션 하였는데

만약 예를들어

orderItemQuerydto에 itemDto라는 컬렉션까지 한번에 조회 하려고 할 때

 강의에서 나온 동일한 방법을 반복하면 최적화가 될까요?

import com.jpahop2.demo.domain.Address;
import com.jpahop2.demo.domain.OrderStatus;
import lombok.Data;

import java.time.LocalDateTime;
import java.util.List;
@Data
public class OrderQueryDto {
    private Long orderId;
    private String name;
    private LocalDateTime orderDate; //주문시간
    private OrderStatus orderStatus;
    private Address address;
    private List<OrderItemQueryDto> orderItems;

    public OrderQueryDto(Long orderId, String name, LocalDateTime orderDate,
                         OrderStatus orderStatus, Address address) {
        this.orderId = orderId;
        this.name = name;
        this.orderDate = orderDate;
        this.orderStatus = orderStatus;
        this.address = address;
    }
}

import lombok.Data;

import java.time.LocalDateTime;

@Data
public class OrderItemQueryDto {

    private Long orderId;

    private int orderPirce;
    private int count;
    private String itemName;
    private List<ItemDto>items;

    public OrderItemQueryDto(Long orderId, int orderPirce, int count,String itemName) {
        this.orderId = orderId;

        this.orderPirce = orderPirce;
        this.count = count;
        this.itemName=itemName;
    }
}