InternalAlignmentDecorator.hpp

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// This file is part of the Acts project.
//
// Copyright (C) 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 "Acts/Definitions/Algebra.hpp"
#include "Acts/Utilities/Logger.hpp"
#include "ActsExamples/ContextualDetector/AlignmentDecorator.hpp"
#include "ActsExamples/ContextualDetector/InternallyAlignedDetectorElement.hpp"
#include "ActsExamples/Framework/AlgorithmContext.hpp"
#include "ActsExamples/Framework/IContextDecorator.hpp"
#include "ActsExamples/Framework/ProcessCode.hpp"
#include "ActsExamples/Framework/RandomNumbers.hpp"

#include <cstddef>
#include <memory>
#include <mutex>
#include <string>
#include <unordered_map>
#include <vector>

namespace ActsExamples {
struct AlgorithmContext;

namespace Contextual {
class InternallyAlignedDetectorElement;

class InternalAlignmentDecorator : public AlignmentDecorator {
 public:
  using LayerStore =
      std::vector<std::shared_ptr<InternallyAlignedDetectorElement>>;
  using DetectorStore = std::vector<LayerStore>;

  struct Config : public AlignmentDecorator::Config {
    DetectorStore detectorStore;
  };

  InternalAlignmentDecorator(const Config& cfg,
                             std::unique_ptr<const Acts::Logger> logger =
                                 Acts::getDefaultLogger("AlignmentDecorator",
                                                        Acts::Logging::INFO));

  ~InternalAlignmentDecorator() override = default;

  ProcessCode decorate(AlgorithmContext& context) override;

  const std::string& name() const override { return m_name; }

 private:
  Config m_cfg;                                  
  std::unique_ptr<const Acts::Logger> m_logger;  
  std::string m_name = "AlignmentDecorator";

  std::mutex m_alignmentMutex;
  struct IovStatus {
    size_t lastAccessed;
  };
  std::unordered_map<unsigned int, IovStatus> m_activeIovs;
  size_t m_eventsSeen{0};

  const Acts::Logger& logger() const { return *m_logger; }
};
}  // namespace Contextual
}  // namespace ActsExamples