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:
INJECT(CarImpl (ANNOTATED (MainBrake,Brake *)mainBrake,ANNOTATED (EmergencyBrake,Brake *)emergencyBrake))27 INJECT(CarImpl(ANNOTATED(MainBrake, Brake*) mainBrake, ANNOTATED(EmergencyBrake, Brake*) emergencyBrake))
28 : mainBrake(mainBrake), emergencyBrake(emergencyBrake) {}
29
brake()30 void brake() override {
31 try {
32 mainBrake->activate();
33 } catch (...) {
34 // The main brake failed!
35 emergencyBrake->activate();
36 }
37 }
38 };
39
getCarComponent()40 fruit::Component<Car> getCarComponent() {
41 return fruit::createComponent()
42 .bind<Car, CarImpl>()
43 .install(getMainBrakeComponent)
44 .install(getEmergencyBrakeComponent);
45 }
46