jpashop : get data api v1 (entity)

jpashop/build.gradle

@@ -24,6 +24,7 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-thymeleaf'
     implementation 'org.springframework.boot:spring-boot-starter-web'
     implementation 'org.springframework.boot:spring-boot-devtools'
+    implementation 'com.fasterxml.jackson.datatype:jackson-datatype-hibernate5'
 
     implementation 'com.github.gavlyukovskiy:p6spy-spring-boot-starter:1.5.6'
 

jpashop/src/main/java/com/example/jpashop/JpashopApplication.java

@@ -1,7 +1,9 @@
 package com.example.jpashop;
 
+import com.fasterxml.jackson.datatype.hibernate5.Hibernate5Module;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
 
 @SpringBootApplication
 public class JpashopApplication {
@@ -9,4 +11,9 @@ public class JpashopApplication {
     public static void main(String[] args) {
         SpringApplication.run(JpashopApplication.class, args);
     }
+    @Bean
+    Hibernate5Module hibernate5Module() {
+        return new Hibernate5Module();
+//                .configure(Hibernate5Module.Feature.FORCE_LAZY_LOADING, true);
+    }
 }

jpashop/src/main/java/com/example/jpashop/api/OrderSimpleApiController.java

@@ -0,0 +1,33 @@
+package com.example.jpashop.api;
+
+import com.example.jpashop.domain.Order;
+import com.example.jpashop.repository.OrderRepository;
+import com.example.jpashop.repository.OrderSearch;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
+
+/**
+ * xToOne (ManyToOne, OneToOne)
+ * Order
+ * Order -> Member
+ * Order -> Delivery
+ */
+@RestController
+@RequiredArgsConstructor
+public class OrderSimpleApiController {
+
+    private final OrderRepository orderRepository;
+
+    @GetMapping("/api/v1/simple-orders")
+    public List<Order> ordersV1() {
+        List<Order> all = orderRepository.findAllByString(new OrderSearch());
+        all.forEach(order -> {
+            order.getMember().getName(); // Lazy 강제 초기화
+            order.getDelivery().getAddress(); // Lazy 강제 초기화
+        });
+        return all;
+    }
+}

jpashop/src/main/java/com/example/jpashop/domain/Delivery.java

@@ -1,5 +1,6 @@
 package com.example.jpashop.domain;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.Getter;
 import lombok.Setter;
 
@@ -13,6 +14,7 @@ public class Delivery {
     @Column(name = "delivery_id")
     private Long id;
 
+    @JsonIgnore
     @OneToOne(mappedBy = "delivery", fetch = FetchType.LAZY)
     private Order order;
 

jpashop/src/main/java/com/example/jpashop/domain/Member.java

@@ -1,5 +1,6 @@
 package com.example.jpashop.domain;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.*;
 
 import javax.persistence.*;
@@ -22,6 +23,7 @@ public class Member {
     @Embedded
     private Address address;
 
+    @JsonIgnore
     @OneToMany(mappedBy = "member")
     private List<Order> order = new ArrayList<>();
 }

jpashop/src/main/java/com/example/jpashop/domain/OrderItem.java

@@ -1,6 +1,7 @@
 package com.example.jpashop.domain;
 
 import com.example.jpashop.domain.item.Item;
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -21,6 +22,7 @@ public class OrderItem {
     @JoinColumn(name = "item_id")
     private Item item;
 
+    @JsonIgnore
     @ManyToOne(fetch = FetchType.LAZY)
     @JoinColumn(name = "order_id")
     private Order order;