Install

• add dependencies into pom.xml

<dependency>
    <groupId>cc.voox</groupId>
    <artifactId>graphql</artifactId>
    <version>0.9.3</version>
</dependency>

• add config into java bean

import cc.voox.graphql.GraphqlProperties;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.ComponentScan;
import org.springframework.context.annotation.Configuration;


@Configuration
@ComponentScan(value = {"cc.voox.graphql"})
public class GraphQLConfig {
    @Bean()
    public GraphqlProperties graphqlProperties() {
        GraphqlProperties graphqlProperties = new GraphqlProperties();
        graphqlProperties.setScanPath("com.xxx");
        return graphqlProperties;
    }

}

Usage

• define schema in classpath or custom schema path value (default value: schema.graphql)

    type Query {
         test: String
    }
    type Book {
        id: ID
        name: String
        pageCount: Int
    }

define resolvers

• use @Query in entity class or method
• use @QueryMethod in method
• use @QueryField in parameter of method

@Query
@Component
public class TestService { 
        @QueryMethod("bookById")
        Map<String, String> getBookById(@QueryField("id") String id) {
            return books
                        .stream()
                        .filter(book -> book.get("id").equals(id))
                        .findFirst()
                        .orElse(null);
        }
}

define scalars

class Currency implements IScalar {
} 

define directive

class Lower implements IDirective {
}

define dataloader

class BookDatalodaer implements IDataloader {
}