Introduction

Features

Getting Started

Dependency

<dependency>    <groupId>com.intuit.graphql</groupId>    <artifactId>graphql-orchestrator-java</artifactId>    <version>${graphql.orchestrator.version}</version></dependency>

Usage in code

classPersonNameServiceimplementsServiceProvider {publicstaticfinalStringschema ="type Query { person: Person } "       +"type Person { firstName : String lastName: String }";@OverridepublicStringgetNameSpace() {return"PERSON_NAME"; }@OverridepublicMap<String,String>sdlFiles() {returnImmutableMap.of("schema.graphqls",schema); }@OverridepublicCompletableFuture<Map<String,Object>>query(finalExecutionInputexecutionInput,finalGraphQLContextcontext) {//{'data':{'person':{'firstName':'GraphQL Orchestrator', 'lastName': 'Java'}}}"Map<String,Object>data =ImmutableMap        .of("data",ImmutableMap.of("person",ImmutableMap.of("firstName","GraphQL Orchestrator","lastName","Java")));returnCompletableFuture.completedFuture(data);  }}

classPersonAddressServiceimplementsServiceProvider {publicstaticfinalStringschema ="type Query { person: Person }"      +"type Person { address : Address }"      +"type Address { city: String state: String zip: String}";@OverridepublicStringgetNameSpace() {return"PERSON_ADDRESS";}@OverridepublicMap<String,String>sdlFiles() {returnImmutableMap.of("schema.graphqls",schema);}@OverridepublicCompletableFuture<Map<String,Object>>query(finalExecutionInputexecutionInput,finalGraphQLContextcontext) {//{'data':{'person':{'address':{ 'city' 'San Diego', 'state': 'CA', 'zip': '92129' }}}}"Map<String,Object>data =ImmutableMap        .of("data",ImmutableMap.of("person",ImmutableMap.of("address",ImmutableMap.of("city","San Diego","state","CA","zip","92129"))));returnCompletableFuture.completedFuture(data);  }}

// create a runtimeGraph by stitching service providersRuntimeGraphruntimeGraph =SchemaStitcher.newBuilder()        .service(newPersonNameService())           .service(newPersonAddressService())          .build()        .stitchGraph();// pass the runtime graph to GraphQLOrchestratorGraphQLOrchestratorgraphQLOrchestrator =GraphQLOrchestrator.newOrchestrator()        .runtimeGraph(runtimeGraph).build();//Execute the queryCompletableFuture<ExecutionResult>execute =graphQLOrchestrator        .execute(ExecutionInput.newExecutionInput()              .query("query {person {firstName lastName address {city state zip}}}")              .build()        );ExecutionResultexecutionResult =execute.get();System.out.println(executionResult.getData().toString());// Output:// {person={firstName=GraphQL Orchestrator, lastName=Java, address={city=San Diego, state=CA, zip=92129}}}

typeQuery {person:Person }typePerson {firstName:StringlastName:Stringaddress:Address}typeAddress {city:Stringstate:Stringzip:String}

Graph Quilt Gateway

Documentation

Contributing

License

Acknowledgments