1 /*
2  * Copyright (C) 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 namespace android {
20 namespace vintf {
21 
22 class PropertyFetcher {
23    public:
24     virtual ~PropertyFetcher() = default;
25     virtual std::string getProperty(const std::string& key,
26                                     const std::string& defaultValue = "") const = 0;
27     virtual uint64_t getUintProperty(const std::string& key, uint64_t defaultValue,
28                                      uint64_t max = UINT64_MAX) const = 0;
29     virtual bool getBoolProperty(const std::string& key, bool defaultValue) const = 0;
30 };
31 
32 }  // namespace vintf
33 }  // namespace android
34