EDM4hepSimHitWriter.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 2022 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/SimHit.hpp"
#include "ActsExamples/EventData/SimParticle.hpp"
#include "ActsExamples/Framework/DataHandle.hpp"
#include "ActsExamples/Framework/WriterT.hpp"

#include <string>

#include <edm4hep/MCParticleCollection.h>
#include <edm4hep/SimTrackerHitCollection.h>
#include <podio/ROOTFrameWriter.h>

namespace ActsExamples {

class EDM4hepSimHitWriter final : public WriterT<SimHitContainer> {
 public:
  struct Config {
    std::string inputSimHits;
    std::string inputParticles;
    std::string outputPath;
    std::string outputParticles = "MCParticles";
    std::string outputSimTrackerHits = "ActsSimTrackerHits";
  };

  EDM4hepSimHitWriter(const Config& config, Acts::Logging::Level level);

  ProcessCode finalize() final;

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

 protected:
  ProcessCode writeT(const AlgorithmContext& ctx,
                     const SimHitContainer& simHits) final;

 private:
  Config m_cfg;

  podio::ROOTFrameWriter m_writer;

  ReadDataHandle<SimParticleContainer> m_inputParticles{this, "InputParticles"};
};

}  // namespace ActsExamples