[JAVA-15353] Update code for GraphQL vs REST article (#12849)

This commit is contained in:
Haroon Khan 2022-10-12 16:38:39 +01:00 committed by GitHub
parent 7cffc487ea
commit f4be8916b8
23 changed files with 182 additions and 254 deletions

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@ -50,7 +50,6 @@
<module>spring-boot-keycloak-2</module>
<module>spring-boot-libraries</module>
<module>spring-boot-libraries-2</module>
<module>spring-boot-libraries-comparison</module>
<module>spring-boot-logging-log4j2</module>
<module>spring-boot-mvc</module>
<module>spring-boot-mvc-2</module>

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@ -10,6 +10,7 @@ The "REST With Spring" Classes: http://bit.ly/restwithspring
- [Getting Started with GraphQL and Spring Boot](https://www.baeldung.com/spring-graphql)
- [Expose GraphQL Field with Different Name](https://www.baeldung.com/graphql-field-name)
- [Error Handling in GraphQL With Spring Boot](https://www.baeldung.com/spring-graphql-error-handling)
- [GraphQL vs REST](https://www.baeldung.com/graphql-vs-rest)
### GraphQL sample queries

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@ -1,18 +1,20 @@
package com.baeldung.graphqlvsrest;
import com.baeldung.graphqlvsrest.configuration.GraphqlConfiguration;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.orm.jpa.HibernateJpaAutoConfiguration;
import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration;
import org.springframework.context.annotation.Import;
@SpringBootApplication
@Import(GraphqlConfiguration.class)
@EnableAutoConfiguration(exclude = {SecurityAutoConfiguration.class})
@EnableAutoConfiguration(exclude = {
SecurityAutoConfiguration.class,
HibernateJpaAutoConfiguration.class
})
public class GraphqlVsRestApplication {
public static void main(String[] args) {
System.setProperty("spring.profiles.default", "rest-vs-graphql");
SpringApplication.run(GraphqlVsRestApplication.class, args);
}

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@ -0,0 +1,8 @@
package com.baeldung.graphqlvsrest.configuration;
import org.springframework.context.annotation.Configuration;
@Configuration
public class GraphqlConfiguration {
}

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@ -1,13 +1,12 @@
package com.baeldung.graphqlvsrest.controller;
import com.baeldung.graphqlvsrest.entity.Order;
import com.baeldung.graphqlvsrest.entity.Product;
import com.baeldung.graphqlvsrest.model.ProductModel;
import com.baeldung.graphqlvsrest.repository.OrderRepository;
import com.baeldung.graphqlvsrest.repository.ProductRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;

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@ -5,7 +5,13 @@ import com.baeldung.graphqlvsrest.model.ProductModel;
import com.baeldung.graphqlvsrest.repository.ProductRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Pageable;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
@ -17,22 +23,22 @@ public class ProductController {
ProductRepository productRepository;
@GetMapping
public List<Product> getProducts(Pageable pageable){
public List<Product> getProducts(Pageable pageable) {
return productRepository.getProducts(pageable.getPageSize(), pageable.getPageNumber());
}
@GetMapping("/{product-id}")
public Product getProducts(@PathVariable("product-id") Integer productId){
public Product getProduct(@PathVariable("product-id") Integer productId) {
return productRepository.getProduct(productId);
}
@PostMapping
public Product save(@RequestBody ProductModel productModel){
public Product save(@RequestBody ProductModel productModel) {
return productRepository.save(productModel);
}
@PutMapping("/{product-id}")
public Product update(@PathVariable("product-id") Integer productId, @RequestBody ProductModel productModel){
public Product update(@PathVariable("product-id") Integer productId, @RequestBody ProductModel productModel) {
return productRepository.update(productId, productModel);
}
}

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@ -0,0 +1,51 @@
package com.baeldung.graphqlvsrest.controller;
import com.baeldung.graphqlvsrest.entity.Order;
import com.baeldung.graphqlvsrest.entity.Product;
import com.baeldung.graphqlvsrest.model.ProductModel;
import com.baeldung.graphqlvsrest.repository.OrderRepository;
import com.baeldung.graphqlvsrest.repository.ProductRepository;
import org.springframework.graphql.data.method.annotation.Argument;
import org.springframework.graphql.data.method.annotation.MutationMapping;
import org.springframework.graphql.data.method.annotation.QueryMapping;
import org.springframework.graphql.data.method.annotation.SchemaMapping;
import org.springframework.stereotype.Controller;
import java.util.List;
@Controller
public class ProductGraphQLController {
private final ProductRepository productRepository;
private final OrderRepository orderRepository;
public ProductGraphQLController(ProductRepository productRepository, OrderRepository orderRepository) {
this.productRepository = productRepository;
this.orderRepository = orderRepository;
}
@QueryMapping
public List<Product> products(@Argument int size, @Argument int page) {
return productRepository.getProducts(size, page);
}
@QueryMapping
public Product product(@Argument int id) {
return productRepository.getProduct(id);
}
@MutationMapping
public Product saveProduct(@Argument ProductModel product) {
return productRepository.save(product);
}
@MutationMapping
public Product updateProduct(@Argument Integer id, @Argument ProductModel product) {
return productRepository.update(id, product);
}
@SchemaMapping(typeName="Product", field="orders")
public List<Order> getOrders(Product product) {
return orderRepository.getOrdersByProduct(product.getId());
}
}

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@ -2,11 +2,11 @@ package com.baeldung.graphqlvsrest.entity;
public class Order {
private Integer id;
private Integer product_id;
private String customer_uuid;
private Integer productId;
private String customerId;
private String status;
private String address;
private String creation_date;
private String creationDate;
public Integer getId() {
return id;
@ -16,12 +16,12 @@ public class Order {
this.id = id;
}
public Integer getProduct_id() {
return product_id;
public Integer getProductId() {
return productId;
}
public void setProduct_id(Integer product_id) {
this.product_id = product_id;
public void setProductId(Integer productId) {
this.productId = productId;
}
public String getStatus() {
@ -32,12 +32,12 @@ public class Order {
this.status = status;
}
public String getCustomer_uuid() {
return customer_uuid;
public String getCustomerId() {
return customerId;
}
public void setCustomer_uuid(String customer_uuid) {
this.customer_uuid = customer_uuid;
public void setCustomerId(String customerId) {
this.customerId = customerId;
}
public String getAddress() {
@ -48,11 +48,11 @@ public class Order {
this.address = address;
}
public String getCreation_date() {
return creation_date;
public String getCreationDate() {
return creationDate;
}
public void setCreation_date(String creation_date) {
this.creation_date = creation_date;
public void setCreationDate(String creationDate) {
this.creationDate = creationDate;
}
}

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@ -11,10 +11,10 @@ public class Product {
private String status;
private String currency;
private Double price;
private List<String> image_url;
private List<String> video_url;
private List<String> imageUrls;
private List<String> videoUrls;
private Integer stock;
private Float average_rating;
private Float averageRating;
public Product(Integer id, ProductModel productModel) {
this.id = id;
@ -23,9 +23,9 @@ public class Product {
this.currency = productModel.getCurrency();
this.price = productModel.getPrice();
this.stock = productModel.getStock();
this.image_url = productModel.getImage_url();
this.video_url = productModel.getVideo_url();
this.average_rating = 0F;
this.imageUrls = productModel.getImageUrls();
this.videoUrls = productModel.getVideoUrls();
this.averageRating = 0F;
this.status = productModel.getStatus();
}
@ -81,20 +81,20 @@ public class Product {
this.price = price;
}
public List<String> getImage_url() {
return image_url;
public List<String> getImageUrls() {
return imageUrls;
}
public void setImage_url(List<String> image_url) {
this.image_url = image_url;
public void setImageUrls(List<String> imageUrls) {
this.imageUrls = imageUrls;
}
public List<String> getVideo_url() {
return video_url;
public List<String> getVideoUrls() {
return videoUrls;
}
public void setVideo_url(List<String> video_url) {
this.video_url = video_url;
public void setVideoUrls(List<String> videoUrls) {
this.videoUrls = videoUrls;
}
public Integer getStock() {
@ -105,11 +105,11 @@ public class Product {
this.stock = stock;
}
public Float getAverage_rating() {
return average_rating;
public Float getAverageRating() {
return averageRating;
}
public void setAverage_rating(Float average_rating) {
this.average_rating = average_rating;
public void setAverageRating(Float averageRating) {
this.averageRating = averageRating;
}
}

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@ -8,8 +8,8 @@ public class ProductModel {
private String status;
private String currency;
private Double price;
private List<String> image_url;
private List<String> video_url;
private List<String> imageUrls;
private List<String> videoUrls;
private Integer stock;
public String getName() {
@ -52,20 +52,20 @@ public class ProductModel {
this.price = price;
}
public List<String> getImage_url() {
return image_url;
public List<String> getImageUrls() {
return imageUrls;
}
public void setImage_url(List<String> image_url) {
this.image_url = image_url;
public void setImageUrls(List<String> imageUrls) {
this.imageUrls = imageUrls;
}
public List<String> getVideo_url() {
return video_url;
public List<String> getVideoUrls() {
return videoUrls;
}
public void setVideo_url(List<String> video_url) {
this.video_url = video_url;
public void setVideoUrls(List<String> videoUrls) {
this.videoUrls = videoUrls;
}
public Integer getStock() {
@ -84,8 +84,8 @@ public class ProductModel {
", status='" + status + '\'' +
", currency='" + currency + '\'' +
", price=" + price +
", image_url=" + image_url +
", video_url=" + video_url +
", imageUrls=" + imageUrls +
", videoUrls=" + videoUrls +
", stock=" + stock +
'}';
}

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@ -1,8 +1,6 @@
package com.baeldung.graphqlvsrest.repository;
import com.baeldung.graphqlvsrest.entity.Order;
import com.baeldung.graphqlvsrest.entity.Product;
import com.baeldung.graphqlvsrest.model.ProductModel;
import java.util.List;

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@ -13,24 +13,25 @@ import java.util.stream.Collectors;
@Repository
public class OrderRepositoryImpl implements OrderRepository {
private static List<Order> orderList = new ArrayList<>();
private static final List<Order> ORDER_LIST = new ArrayList<>();
public OrderRepositoryImpl() {
for (int i = 1; i <= 100; i++){
for (int i = 1; i <= 100; i++) {
Order order = new Order();
order.setId(i);
order.setProduct_id(i%10);
order.setAddress(UUID.randomUUID().toString());
order.setCustomer_uuid(UUID.randomUUID().toString());
order.setCreation_date(new Date(System.currentTimeMillis()).toString());
order.setProductId(i % 10);
order.setAddress(i + " A Street");
order.setCustomerId(UUID.randomUUID().toString());
order.setCreationDate(new Date(System.currentTimeMillis()).toString());
order.setStatus("Delivered");
orderList.add(order);
ORDER_LIST.add(order);
}
}
@Override
public List<Order> getOrdersByProduct(Integer productId) {
return orderList.stream().filter(order -> order.getProduct_id().equals(productId)).collect(Collectors.toList());
return ORDER_LIST.stream()
.filter(order -> order.getProductId().equals(productId))
.collect(Collectors.toList());
}
}

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@ -6,68 +6,75 @@ import com.baeldung.graphqlvsrest.repository.ProductRepository;
import org.springframework.stereotype.Repository;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
import static java.util.Collections.singletonList;
@Repository
public class ProductRepositoryImpl implements ProductRepository {
private static List<Product> productList = new ArrayList<>();
private static final List<Product> PRODUCT_LIST = new ArrayList<>();
public ProductRepositoryImpl() {
for (int i = 1; i <= 10; i++){
for (int i = 1; i <= 10; i++) {
Product product = new Product();
product.setId(i);
product.setName(String.format("Product %d", i));
product.setDescription(String.format("Product %d description", i));
product.setCurrency(String.format("Product %d currency", i));
product.setPrice(Double.valueOf(i^2));
product.setPrice((double) (i ^ 2));
product.setStock(10);
product.setAverage_rating(0F);
product.setImage_url(Arrays.asList(String.format("www.baeldung.com/imageurl/%d", i)));
product.setVideo_url(Arrays.asList(String.format("www.baeldung.com/videourl/%d", i)));
productList.add(product);
product.setAverageRating(0F);
product.setImageUrls(singletonList(String.format("www.baeldung.com/imageurl/%d", i)));
product.setVideoUrls(singletonList(String.format("www.baeldung.com/videourl/%d", i)));
PRODUCT_LIST.add(product);
}
}
@Override
public List<Product> getProducts(Integer pageSize, Integer pageNumber) {
return productList.stream().skip(pageSize*pageNumber).limit(pageSize).collect(Collectors.toList());
return PRODUCT_LIST.stream()
.skip((long) pageSize * pageNumber)
.limit(pageSize)
.collect(Collectors.toList());
}
@Override
public Product getProduct(Integer id) {
return productList.stream().filter(product -> product.getId().equals(id)).findFirst().orElse(null);
return PRODUCT_LIST.stream()
.filter(product -> product.getId().equals(id))
.findFirst().orElse(null);
}
@Override
public Product save(ProductModel productModel) {
Product product = new Product(productList.size()+1, productModel);
productList.add(product);
Product product = new Product(PRODUCT_LIST.size() + 1, productModel);
PRODUCT_LIST.add(product);
return product;
}
@Override
public Product update(Integer productId, ProductModel productModel) {
Product product = getProduct(productId);
if (product != null){
if (product != null) {
update(product, productModel);
}
return product;
}
private void update(Product product, ProductModel productModel){
private void update(Product product, ProductModel productModel) {
if (productModel != null) {
System.out.println(productModel.toString());
System.out.println(productModel);
Optional.ofNullable(productModel.getName()).ifPresent(product::setName);
Optional.ofNullable(productModel.getDescription()).ifPresent(product::setDescription);
Optional.ofNullable(productModel.getCurrency()).ifPresent(product::setCurrency);
Optional.ofNullable(productModel.getImage_url()).ifPresent(product::setImage_url);
Optional.ofNullable(productModel.getImageUrls()).ifPresent(product::setImageUrls);
Optional.ofNullable(productModel.getStock()).ifPresent(product::setStock);
Optional.ofNullable(productModel.getStatus()).ifPresent(product::setStatus);
Optional.ofNullable(productModel.getVideo_url()).ifPresent(product::setVideo_url);
Optional.ofNullable(productModel.getVideoUrls()).ifPresent(product::setVideoUrls);
Optional.ofNullable(productModel.getPrice()).ifPresent(product::setPrice);
}
}

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@ -0,0 +1,11 @@
server:
port: 8081
spring:
graphql:
schema:
locations: classpath:graphql-vs-rest/
jackson:
parser:
allow-unquoted-control-chars: true

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@ -5,20 +5,20 @@ type Product {
status: String
currency: String!
price: Float
image_url: [String]
video_url: [String]
imageUrls: [String]
videoUrls: [String]
stock: Int
average_rating: Float
averageRating: Float
orders:[Order]
}
type Order{
id:ID
product_id:Int
customer_uuid:String
productId:Int
customerId:String
address:String
status:String
creation_date:String
creationDate:String
}
input ProductModel {
@ -27,8 +27,8 @@ input ProductModel {
status: String
currency: String!
price: Float
image_url: [String]
video_url: [String]
imageUrls: [String]
videoUrls: [String]
stock: Int
}
@ -38,8 +38,8 @@ input ProductUpdateModel {
status: String
currency: String
price: Float
image_url: [String]
video_url: [String]
imageUrls: [String]
videoUrls: [String]
stock: Int
}

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@ -1,7 +0,0 @@
## Spring Boot Libraries
This module contains articles about various Spring Boot libraries Comparison
### Relevant Articles:
- [GraphQL vs REST](https://www.baeldung.com/graphql-vs-rest)

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@ -1,46 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-boot-libraries-comparison</artifactId>
<parent>
<groupId>com.baeldung.spring-boot-modules</groupId>
<artifactId>spring-boot-modules</artifactId>
<version>1.0.0-SNAPSHOT</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>com.graphql-java</groupId>
<artifactId>graphql-spring-boot-starter</artifactId>
<version>${graphql-spring-boot-starter.version}</version>
</dependency>
<dependency>
<groupId>com.graphql-java</groupId>
<artifactId>graphql-java-tools</artifactId>
<version>${graphql-java-tools.version}</version>
</dependency>
<dependency>
<groupId>com.graphql-java</groupId>
<artifactId>graphiql-spring-boot-starter</artifactId>
<version>${graphql-spring-boot-starter.version}</version>
</dependency>
</dependencies>
<properties>
<graphql-spring-boot-starter.version>5.0.2</graphql-spring-boot-starter.version>
<graphql-java-tools.version>5.2.4</graphql-java-tools.version>
</properties>
</project>

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@ -1,35 +0,0 @@
package com.baeldung.graphqlvsrest.configuration;
import com.baeldung.graphqlvsrest.repository.OrderRepository;
import com.baeldung.graphqlvsrest.resolver.Mutation;
import com.baeldung.graphqlvsrest.resolver.ProductResolver;
import com.baeldung.graphqlvsrest.resolver.Query;
import com.baeldung.graphqlvsrest.repository.ProductRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
@Configuration
public class GraphqlConfiguration {
@Autowired
ProductRepository productRepository;
@Autowired
OrderRepository orderRepository;
@Bean
public Query query() {
return new Query(productRepository);
}
@Bean
public ProductResolver productResolver(){
return new ProductResolver(orderRepository);
}
@Bean
public Mutation mutation() {
return new Mutation(productRepository);
}
}

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@ -1,22 +0,0 @@
package com.baeldung.graphqlvsrest.resolver;
import com.baeldung.graphqlvsrest.entity.Product;
import com.baeldung.graphqlvsrest.model.ProductModel;
import com.baeldung.graphqlvsrest.repository.ProductRepository;
import com.coxautodev.graphql.tools.GraphQLMutationResolver;
public class Mutation implements GraphQLMutationResolver {
private ProductRepository productRepository;
public Mutation(ProductRepository productRepository){
this.productRepository = productRepository;
}
public Product saveProduct(ProductModel productModel) {
return productRepository.save(productModel);
}
public Product updateProduct(Integer productId, ProductModel productModel) {
return productRepository.update(productId, productModel);
}
}

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@ -1,18 +0,0 @@
package com.baeldung.graphqlvsrest.resolver;
import com.baeldung.graphqlvsrest.entity.Order;
import com.baeldung.graphqlvsrest.entity.Product;
import com.baeldung.graphqlvsrest.repository.OrderRepository;
import com.coxautodev.graphql.tools.GraphQLResolver;
import java.util.List;
public class ProductResolver implements GraphQLResolver<Product> {
private OrderRepository orderRepository;
public ProductResolver(OrderRepository orderRepository){
this.orderRepository = orderRepository;
}
public List<Order> getOrders(Product product){
return orderRepository.getOrdersByProduct(product.getId());
}
}

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@ -1,27 +0,0 @@
package com.baeldung.graphqlvsrest.resolver;
import com.baeldung.graphqlvsrest.entity.Order;
import com.baeldung.graphqlvsrest.entity.Product;
import com.baeldung.graphqlvsrest.repository.OrderRepository;
import com.baeldung.graphqlvsrest.repository.ProductRepository;
import com.coxautodev.graphql.tools.GraphQLQueryResolver;
import java.util.List;
public class Query implements GraphQLQueryResolver {
private ProductRepository productRepository;
public Query(ProductRepository productRepository){
this.productRepository = productRepository;
}
public List<Product> getProducts(int pageSize, int pageNumber) {
return productRepository.getProducts(pageSize, pageNumber);
}
public Product getProduct(int id) {
return productRepository.getProduct(id);
}
}