1 /* 2 * Copyright 2014 Google Inc. All rights reserved. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "car.h" 18 #include "emergency_brake.h" 19 #include "main_brake.h" 20 21 class CarImpl : public Car { 22 private: 23 Brake* mainBrake; 24 Brake* emergencyBrake; 25 26 public: 27 INJECT(CarImpl(ANNOTATED(MainBrake, Brake*) mainBrake, ANNOTATED(EmergencyBrake, Brake*) emergencyBrake)) 28 : mainBrake(mainBrake), emergencyBrake(emergencyBrake) {} 29 30 void brake() override { 31 try { 32 mainBrake->activate(); 33 } catch (...) { 34 // The main brake failed! 35 emergencyBrake->activate(); 36 } 37 } 38 }; 39 40 fruit::Component<Car> getCarComponent() { 41 return fruit::createComponent() 42 .bind<Car, CarImpl>() 43 .install(getMainBrakeComponent) 44 .install(getEmergencyBrakeComponent); 45 } 46
