1*f585d8a3SJacky Wang /* 2*f585d8a3SJacky Wang * Copyright (C) 2015 The Dagger Authors. 3*f585d8a3SJacky Wang * 4*f585d8a3SJacky Wang * Licensed under the Apache License, Version 2.0 (the "License"); 5*f585d8a3SJacky Wang * you may not use this file except in compliance with the License. 6*f585d8a3SJacky Wang * You may obtain a copy of the License at 7*f585d8a3SJacky Wang * 8*f585d8a3SJacky Wang * http://www.apache.org/licenses/LICENSE-2.0 9*f585d8a3SJacky Wang * 10*f585d8a3SJacky Wang * Unless required by applicable law or agreed to in writing, software 11*f585d8a3SJacky Wang * distributed under the License is distributed on an "AS IS" BASIS, 12*f585d8a3SJacky Wang * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13*f585d8a3SJacky Wang * See the License for the specific language governing permissions and 14*f585d8a3SJacky Wang * limitations under the License. 15*f585d8a3SJacky Wang */ 16*f585d8a3SJacky Wang 17*f585d8a3SJacky Wang package dagger.functional.producers; 18*f585d8a3SJacky Wang 19*f585d8a3SJacky Wang import com.google.common.util.concurrent.Futures; 20*f585d8a3SJacky Wang import com.google.common.util.concurrent.ListenableFuture; 21*f585d8a3SJacky Wang import dagger.Lazy; 22*f585d8a3SJacky Wang import dagger.producers.Produced; 23*f585d8a3SJacky Wang import dagger.producers.Producer; 24*f585d8a3SJacky Wang import dagger.producers.ProducerModule; 25*f585d8a3SJacky Wang import dagger.producers.Produces; 26*f585d8a3SJacky Wang import javax.inject.Provider; 27*f585d8a3SJacky Wang import javax.inject.Qualifier; 28*f585d8a3SJacky Wang 29*f585d8a3SJacky Wang @ProducerModule(includes = ResponseModule.class) 30*f585d8a3SJacky Wang final class ResponseProducerModule { 31*f585d8a3SJacky Wang @Qualifier 32*f585d8a3SJacky Wang @interface RequestsProducerAndProduced {} 33*f585d8a3SJacky Wang 34*f585d8a3SJacky Wang @Produces greeting()35*f585d8a3SJacky Wang static ListenableFuture<String> greeting() { 36*f585d8a3SJacky Wang return Futures.immediateFuture("Hello"); 37*f585d8a3SJacky Wang } 38*f585d8a3SJacky Wang 39*f585d8a3SJacky Wang @Produces 40*f585d8a3SJacky Wang @RequestsProducerAndProduced intermediateGreeting( @uppressWarnings"unused") String greeting, Producer<String> greetingProducer, @SuppressWarnings("unused") Produced<String> greetingProduced, @SuppressWarnings("unused") Provider<Integer> requestNumberProvider, @SuppressWarnings("unused") Lazy<Integer> requestNumberLazy)41*f585d8a3SJacky Wang static ListenableFuture<String> intermediateGreeting( 42*f585d8a3SJacky Wang // TODO(beder): Allow Producer and Provider of the same type (which would force the binding 43*f585d8a3SJacky Wang // to be a provision binding), and add validation for that. 44*f585d8a3SJacky Wang @SuppressWarnings("unused") String greeting, 45*f585d8a3SJacky Wang Producer<String> greetingProducer, 46*f585d8a3SJacky Wang @SuppressWarnings("unused") Produced<String> greetingProduced, 47*f585d8a3SJacky Wang @SuppressWarnings("unused") Provider<Integer> requestNumberProvider, 48*f585d8a3SJacky Wang @SuppressWarnings("unused") Lazy<Integer> requestNumberLazy) { 49*f585d8a3SJacky Wang return greetingProducer.get(); 50*f585d8a3SJacky Wang } 51*f585d8a3SJacky Wang 52*f585d8a3SJacky Wang @Produces response( @equestsProducerAndProduced String greeting, Request request, int requestNumber)53*f585d8a3SJacky Wang static Response response( 54*f585d8a3SJacky Wang @RequestsProducerAndProduced String greeting, Request request, int requestNumber) { 55*f585d8a3SJacky Wang return new Response(String.format("%s, %s #%d!", greeting, request.name(), requestNumber)); 56*f585d8a3SJacky Wang } 57*f585d8a3SJacky Wang } 58