com.introproventures:graphql-jpa-query-example-model-books (maven):  GraphQL JPA Query library auto-generates GraphQL Schema using JPA's EntityManager and implements GraphQL Relay protocol to execute JPA queries with flexible type safe criteria expressions and user-friendly SQL query syntax semantics. 
Keywords: graphql-java|graphql-query|graphql-schema|jpa-entity-model|jpa-query|schema-generation