parameter_config.h

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/*
 * Copyright 2021 MusicScience37 (Kenta Kabashima)
 *
 * 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.
 */
#pragma once
 
#include <algorithm>
#include <memory>
#include <utility>
#include <vector>
 
#include "stat_bench/param/parameter_generator.h"
#include "stat_bench/param/parameter_name.h"
#include "stat_bench/param/parameter_value_vector.h"
 
namespace stat_bench {
namespace param {

class ParameterConfig {
public:
    ParameterConfig() = default;

    template <typename T>
    [[nodiscard]] auto add(const ParameterName& param_name)
        -> std::shared_ptr<ParameterValueVector<T>> {
        auto vec = std::make_shared<ParameterValueVector<T>>();
        params_.emplace_back(param_name, vec);
        return vec;
    }

    [[nodiscard]] auto has(const ParameterName& param_name) const -> bool {
        return std::find_if(params_.begin(), params_.end(),
                   [&param_name](const std::pair<ParameterName,
                       std::shared_ptr<IParameterValueVector>>& pair) {
                       return pair.first == param_name;
                   }) != params_.end();
    }

    [[nodiscard]] auto create_generator() const {
        return ParameterGenerator(params_);
    }
 
private:
    std::vector<
        std::pair<ParameterName, std::shared_ptr<IParameterValueVector>>>
        params_{};
};
 
}  // namespace param
}  // namespace stat_bench