CsvParticleReader.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2017-2019 CERN for the benefit of the Acts project
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.

#pragma once

#include "ActsExamples/EventData/SimParticle.hpp"
#include "ActsExamples/Framework/DataHandle.hpp"
#include "ActsExamples/Framework/IReader.hpp"
#include "ActsExamples/Framework/ProcessCode.hpp"
#include <Acts/Utilities/Logger.hpp>

#include <cstddef>
#include <memory>
#include <string>
#include <utility>

namespace ActsExamples {
struct AlgorithmContext;

class CsvParticleReader final : public IReader {
 public:
  struct Config {
    std::string inputDir;
    std::string inputStem;
    std::string outputParticles;
  };

  CsvParticleReader(const Config& config, Acts::Logging::Level level);

  std::string name() const override;

  std::pair<size_t, size_t> availableEvents() const override;

  ProcessCode read(const ActsExamples::AlgorithmContext& ctx) override;

  const Config& config() const { return m_cfg; }

 private:
  Config m_cfg;
  std::pair<size_t, size_t> m_eventsRange;
  std::unique_ptr<const Acts::Logger> m_logger;

  WriteDataHandle<SimParticleContainer> m_outputParticles{this,
                                                          "OutputParticles"};

  const Acts::Logger& logger() const { return *m_logger; }
};

}  // namespace ActsExamples