Examples with VertxDataFetcher io.vertx.ext.web.handler.graphql.schema.VertxDataFetcher used on opensource projects

Example 1 with VertxDataFetcher

use of io.vertx.ext.web.handler.graphql.schema.VertxDataFetcher in project vertx-web by vert-x3.

the class VertxDataFetcherTest method graphQL.

@Override
protected GraphQL graphQL() {
    String schema = vertx.fileSystem().readFileBlocking("links.graphqls").toString();
    SchemaParser schemaParser = new SchemaParser();
    TypeDefinitionRegistry typeDefinitionRegistry = schemaParser.parse(schema);
    RuntimeWiring runtimeWiring = newRuntimeWiring().type("Query", builder -> {
        VertxDataFetcher<Object> dataFetcher = VertxDataFetcher.create((env, fut) -> fut.complete(getAllLinks(env)));
        return builder.dataFetcher("allLinks", dataFetcher);
    }).build();
    SchemaGenerator schemaGenerator = new SchemaGenerator();
    GraphQLSchema graphQLSchema = schemaGenerator.makeExecutableSchema(typeDefinitionRegistry, runtimeWiring);
    return GraphQL.newGraphQL(graphQLSchema).build();
}

Example 2 with VertxDataFetcher

use of io.vertx.ext.web.handler.graphql.schema.VertxDataFetcher in project vertx-web by vert-x3.

the class GraphQLExamples method futureDataFetcher.

public void futureDataFetcher() {
    VertxDataFetcher<List<Link>> dataFetcher = VertxDataFetcher.create(environment -> {
        Future<List<Link>> future = retrieveLinksFromBackend(environment);
        return future;
    });
    RuntimeWiring runtimeWiring = RuntimeWiring.newRuntimeWiring().type("Query", builder -> builder.dataFetcher("allLinks", dataFetcher)).build();
}

Example 3 with VertxDataFetcher

use of io.vertx.ext.web.handler.graphql.schema.VertxDataFetcher in project vertx-web by vert-x3.

the class GraphQLExamples method callbackDataFetcher.

public void callbackDataFetcher() {
    VertxDataFetcher<List<Link>> dataFetcher = VertxDataFetcher.create((env, promise) -> {
        retrieveLinksFromBackend(env, promise);
    });
    RuntimeWiring runtimeWiring = RuntimeWiring.newRuntimeWiring().type("Query", builder -> builder.dataFetcher("allLinks", dataFetcher)).build();
}