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Build GraphQL applications with Spring for GraphQL and GraphQL Java.
I created a new GitHub repository
I used spring initializr to create a new project
I used http://localhost:8080/graphiql to demonstrate the finished code (in line with my node GraphQL implementation)
books
author(id: 6)
addAuthor
addBook
SELECT * FROM AUTHOR
SELECT * FROM BOOK
SELECT * FROM BOOK_AUTHORS
Here are the Java implementation details
application.properties
application.properties
SeedDataConfig.java
SeedDataConfig.java
Author.js
Author.js
Book.java
Book.java
AuthorRepository.java
AuthorRepository.java
BookRepository.java
BookRepository.java
schema.graphqls
schema.graphqls
AuthorController.java
AuthorController.java
BookController.java
BookController.java
pom.xml
pom.xml
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>3.1.5</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.haddley</groupId> <artifactId>haddley-spring-graphql</artifactId> <version>0.0.1-SNAPSHOT</version> <name>haddley-spring-graphql</name> <description>Demo project for Spring Boot</description> <properties> <java.version>17</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-graphql</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <scope>runtime</scope> <optional>true</optional> </dependency> <dependency> <groupId>com.h2database</groupId> <artifactId>h2</artifactId> <scope>runtime</scope> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webflux</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>org.springframework.graphql</groupId> <artifactId>spring-graphql-test</artifactId> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <excludes> <exclude> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> </exclude> </excludes> </configuration> </plugin> </plugins> </build> </project>