TrackProjector_factory.h

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// SPDX-License-Identifier: LGPL-3.0-or-later
// Copyright 2022 - 2025 Dmitry Romanov, Dmitry Kalinkin
 
#pragma once
 
#include <ActsExamples/EventData/Track.hpp>
#include <JANA/JEvent.h>
#include <cassert>
#include <edm4eic/TrackSegmentCollection.h>
#include <memory>
#include <string>
#include <utility>
#include <vector>
 
#include "algorithms/tracking/TrackProjector.h"
#include "extensions/jana/JOmniFactory.h"
 
namespace eicrecon {
 
class TrackProjector_factory : public JOmniFactory<TrackProjector_factory, NoConfig> {
 
private:
  using AlgoT = eicrecon::TrackProjector;
 
  std::unique_ptr<AlgoT> m_algo;
 
  Input<Acts::ConstVectorMultiTrajectory> m_acts_track_states_input{this};
  Input<Acts::ConstVectorTrackContainer> m_acts_tracks_input{this};
  PodioInput<edm4eic::Track> m_tracks_input{this};
  PodioOutput<edm4eic::TrackSegment> m_segments_output{this};
 
  Service<AlgorithmsInit_service> m_algorithmsInit{this};
 
public:
  void Configure() {
    m_algo = std::make_unique<AlgoT>(this->GetPrefix());
    m_algo->level((algorithms::LogLevel)logger()->level());
    m_algo->applyConfig(config());
    m_algo->init();
  }
 
  void Process(int32_t /* run_number */, uint64_t /* event_number */) {
    auto track_states_vec = m_acts_track_states_input();
    auto tracks_vec       = m_acts_tracks_input();
    assert(!track_states_vec.empty() && "ConstVectorMultiTrajectory vector should not be empty");
    assert(track_states_vec.front() != nullptr &&
           "ConstVectorMultiTrajectory pointer should not be null");
    assert(!tracks_vec.empty() && "ConstVectorTrackContainer vector should not be empty");
    assert(tracks_vec.front() != nullptr && "ConstVectorTrackContainer pointer should not be null");
 
    m_algo->process(
        {
            track_states_vec.front(),
            tracks_vec.front(),
            m_tracks_input(),
        },
        {
            m_segments_output().get(),
        });
  }
};
 
} // namespace eicrecon