CollectionCollector_factory.h

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// SPDX-License-Identifier: LGPL-3.0-or-later
// Copyright (C) 2024 Simon Gardner
 
#pragma once
 
#include "extensions/jana/JOmniFactory.h"
#include "algorithms/meta/CollectionCollector.h"
 
namespace eicrecon {
 
template <class T, bool IsOptional = false>
class CollectionCollector_factory
    : public JOmniFactory<CollectionCollector_factory<T, IsOptional>, NoConfig> {
public:
  using AlgoT = eicrecon::CollectionCollector<typename T::collection_type>;
 
private:
  std::unique_ptr<AlgoT> m_algo;
 
  typename JOmniFactory<CollectionCollector_factory<T, IsOptional>,
                        NoConfig>::template VariadicPodioInput<T, IsOptional>
      m_inputs{this};
  typename JOmniFactory<CollectionCollector_factory<T, IsOptional>,
                        NoConfig>::template PodioOutput<T>
      m_output{this};
 
public:
  void Configure() {
    m_algo = std::make_unique<AlgoT>(this->GetPrefix());
    m_algo->level(static_cast<algorithms::LogLevel>(this->logger()->level()));
    m_algo->applyConfig(this->config());
    m_algo->init();
  }
 
  void Process(int32_t /* run_number */, uint64_t /* event_number */) {
    std::vector<gsl::not_null<const typename T::collection_type*>> in_collections;
    for (const auto& in_collection : m_inputs()) {
      in_collections.push_back(gsl::not_null<const typename T::collection_type*>{in_collection});
    }
    typename T::collection_type* merged_collection = m_output().get();
    m_algo->process(in_collections, merged_collection);
  };
};
 
} // namespace eicrecon