1 /* 2 * Copyright 2018 The Android Open Source Project 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 #pragma once 18 19 #include <cstdint> 20 #include <memory> 21 #include <string> 22 #include <vector> 23 24 #include "model/devices/device.h" 25 26 namespace test_vendor_lib { 27 28 // Create customized devices from a centralized shop. 29 class DeviceBoutique { 30 public: 31 DeviceBoutique(); 32 virtual ~DeviceBoutique() = default; 33 34 // Register a constructor for a device type. 35 static bool Register(const std::string& device_type, const std::function<std::shared_ptr<Device>()> method); 36 37 // Call the constructor that matches arg[0], then call dev->Initialize(args). 38 static std::shared_ptr<Device> Create(const std::vector<std::string>& args); 39 40 template <typename D> 41 struct Registrar { RegistrarRegistrar42 explicit Registrar(std::string const& name) { 43 DeviceBoutique::Register(name, &D::Create); 44 } 45 static Registrar<D> registrar_; 46 }; 47 48 private: 49 static std::unordered_map<std::string, std::function<std::shared_ptr<Device>()>>& GetMap(); 50 }; 51 52 } // namespace test_vendor_lib 53