What this project covers

• Spring-boot GraphQL integration
• GraphQL Queries to make CRUD operations
• Sorting, Filtering, and Pagination features in data query
• H2-Database integration and initialization of data on start-up
• Input Validations
• Entity relations
• Logging

How to run

• Import the project in an IDE and run mvn clean compile in the terminal to compile
• Run the *Application class that contains the main method
• Access URL http://localhost:8080/graphiql?path=/graphql in the browser and execute query

Notes

• To create glue between Entity and GraphQL schema we use annotation @Controller
• GraphQLExceptionHandler handles exceptions to make sure that user gets proper http 400 response code

application.properties

• spring.jpa.hibernate.ddl-auto=create-drop is added to auto generate schema
• spring.graphql.graphiql.enabled is used to enable graphql

schema.graphqls changes

• The schema file contains the query and Entity

Plugins for IDE

• Use GraphQL plugin in Intellij for plugin support