kmanadkat / udnd-java-graphql-simple

Java Springboot - Build A Simple GraphQL API

Java Springboot - Build A Simple GraphQL Endpoint

It returns a list of dogs from an embedded H2 in memory database. It uses Spring Initializer to bootstrap the project with following dependencies:

1. spring-boot-starter-web - This starter pack is used for web application development and automatically adds libraries like Spring MVC, REST, Tomcat, and Jackson.
2. com.h2database - This starter pack is used for the H2 in-memory database.
3. spring-boot-starter-data-jpa - This starter pack includes JDBC, Hibernate, Transactions API, JPA, and Aspects.
4. graphql-spring-boot-starter - GraphQL Spring Boot Framework
5. graphql-java-tools - Tools to help map a GraphQL schema to existing Java objects
6. graphiql-spring-boot-starter - GraphQL Spring Boot Framework

Database Entity

 classDiagram
      class Dog
      Dog: Long id
      Dog: String name
      Dog: String breed
      Dog: String origin

GraphQL Queries & Mutation

URL: http://localhost:8080/graphiql

Schema

type Dog {
    id: ID!
    name: String!
    breed: String!
    origin: String!
}

type Query {
    findAllDogs: [Dog]!
    findDogById(id:ID!): Dog!
}

type Mutation {
    deleteDogBreed(breed: String!) : Boolean
    updateDogName(newName: String!, id:ID!) : Dog!
}