1 /*
2  * Copyright (c) 2021 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 #ifndef UPDATER_COMMAND_FUNCTION_H
16 #define UPDATER_COMMAND_FUNCTION_H
17 
18 #include "command.h"
19 #include <unordered_map>
20 
21 namespace Updater {
22 class CommandFunction {
23 public:
24     virtual ~CommandFunction() = default;
25     virtual CommandResult Execute(const Command &params) = 0;
26 };
27 
28 class CommandFunctionFactory {
29     DISALLOW_COPY_MOVE(CommandFunctionFactory);
30 public:
31     static CommandFunctionFactory &GetInstance();
32     CommandFunction* GetCommandFunction(std::string command);
33     void RegistCommandFunction(std::string command, std::unique_ptr<CommandFunction> commandFunction);
34     std::unordered_map<std::string, std::unique_ptr<CommandFunction>> commandFunctionMap_;
35 private:
36 
37     CommandFunctionFactory() = default;
38     ~CommandFunctionFactory() = default;
39 };
40 }
41 #endif // UPDATER_COMMAND_FUNCTION_H