/*

 * Copyright (c) 2021 Huawei Device Co., Ltd.

 * Licensed under the Apache License, Version 2.0 (the "License");

 * you may not use this file except in compliance with the License.

 * You may obtain a copy of the License at

 *

 *     http://www.apache.org/licenses/LICENSE-2.0

 *

 * Unless required by applicable law or agreed to in writing, software

 * distributed under the License is distributed on an "AS IS" BASIS,

 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

 * See the License for the specific language governing permissions and

 * limitations under the License.

 */

#ifndef UPDATER_COMMAND_FUNCTION_H

#define UPDATER_COMMAND_FUNCTION_H



#include "command.h"

#include "macros_updater.h"

#include <unordered_map>



namespace Updater {

class CommandFunction {

public:

    virtual ~CommandFunction() = default;

    virtual CommandResult Execute(const Command &params) = 0;

};



class CommandFunctionFactory {

    DISALLOW_COPY_MOVE(CommandFunctionFactory);

public:

    static CommandFunctionFactory &GetInstance();

    CommandFunction* GetCommandFunction(std::string command);

    void RegistCommandFunction(std::string command, std::unique_ptr<CommandFunction> commandFunction);

    std::unordered_map<std::string, std::unique_ptr<CommandFunction>> commandFunctionMap_;

private:



    CommandFunctionFactory() = default;

    ~CommandFunctionFactory() = default;

};

}

#endif // UPDATER_COMMAND_FUNCTION_H