1// 2// Copyright (C) 2014 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#ifndef UPDATE_ENGINE_UPDATE_MANAGER_STATE_H_ 18#define UPDATE_ENGINE_UPDATE_MANAGER_STATE_H_ 19 20#include "update_engine/update_manager/config_provider.h" 21#include "update_engine/update_manager/device_policy_provider.h" 22#include "update_engine/update_manager/random_provider.h" 23#include "update_engine/update_manager/shill_provider.h" 24#include "update_engine/update_manager/system_provider.h" 25#include "update_engine/update_manager/time_provider.h" 26#include "update_engine/update_manager/updater_provider.h" 27 28namespace chromeos_update_manager { 29 30// The State class is an interface to the ensemble of providers. This class 31// gives visibility of the state providers to policy implementations. 32class State { 33 public: 34 virtual ~State() {} 35 36 // These methods return the given provider. 37 virtual ConfigProvider* config_provider() = 0; 38 virtual DevicePolicyProvider* device_policy_provider() = 0; 39 virtual RandomProvider* random_provider() = 0; 40 virtual ShillProvider* shill_provider() = 0; 41 virtual SystemProvider* system_provider() = 0; 42 virtual TimeProvider* time_provider() = 0; 43 virtual UpdaterProvider* updater_provider() = 0; 44 45 protected: 46 State() {} 47 48 private: 49 DISALLOW_COPY_AND_ASSIGN(State); 50}; 51 52} // namespace chromeos_update_manager 53 54#endif // UPDATE_ENGINE_UPDATE_MANAGER_STATE_H_ 55