Program Listing for File random.h

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/*-
 * Copyright (c) 2020 The Johns Hopkins University Applied Physics
 * Laboratory LLC
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation files
 * (the "Software"), to deal in the Software without restriction,
 * including without limitation the rights to use, copy, modify, merge,
 * publish, distribute, sublicense, and/or sell copies of the Software,
 * and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

#pragma once
#ifndef KAMI_RANDOM_H
#define KAMI_RANDOM_H

#include <memory>
#include <random>
#include <vector>

#include <kami/kami.h>
#include <kami/scheduler.h>
#include <kami/sequential.h>

namespace kami {
    class LIBKAMI_EXPORT RandomScheduler
            : public SequentialScheduler,
              std::enable_shared_from_this<RandomScheduler> {
    public:
        RandomScheduler() = default;

        explicit RandomScheduler(std::shared_ptr<std::mt19937> rng);

        std::unique_ptr<std::vector<AgentID>>
        step(
                std::shared_ptr<Model> model,
                std::unique_ptr<std::vector<AgentID>> agent_list
        ) override;

        std::unique_ptr<std::vector<AgentID>>
        step(
                std::shared_ptr<ReporterModel> model,
                std::unique_ptr<std::vector<AgentID>> agent_list
        ) override;

        std::shared_ptr<std::mt19937> set_rng(std::shared_ptr<std::mt19937> rng);

        std::shared_ptr<std::mt19937> get_rng();

    private:
        std::shared_ptr<std::mt19937> _rng = nullptr;

    };

}  // namespace kami

#endif  // KAMI_RANDOM_H