FastReductionMatcher.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TRIGHLTJETHYPO_FASTREDUCTIONMATCHER_H
#define TRIGHLTJETHYPO_FASTREDUCTIONMATCHER_H
 
 
#include "./IJetsMatcher.h"
#include "./RepeatedConditionsDefs.h"
#include "./ConditionFilter.h"
#include "./Tree.h"
#include "./IHypoJetVectorFilter.h"
 
using TreeVec = std::vector<std::size_t>;
class ITrigJetHypoInfoCollector;
 
using  ConditionFilters =
  std::vector<std::unique_ptr<IHypoJetVectorFilter>>;
 
using  ConditionFilterInds = std::vector<int>;
 
class FastReductionMatcher: public IJetsMatcher {
 public:
 
  FastReductionMatcher(ConditionPtrs&&,
               ConditionFilters&&,
               const ConditionFilterInds&,
               const Tree&);
 

  
  virtual std::optional<bool>
    match(const HypoJetVector& jv,
      xAODJetCollector&,
      const std::unique_ptr<ITrigJetHypoInfoCollector>& collector,
      bool
      ) const override;
 
  std::string toString() const override;
 
 
  virtual bool valid() const override;
  virtual std::string msg() const override;
  
 
 private:
 
  ConditionPtrs m_conditions;
  ConditionFilters m_conditionFilters;
  ConditionFilterInds  m_conditionFilterInds;
  
  
  Tree m_tree;
 
  // minimum number of jets required - determined by summing
  // leaf Condition capacities
  long unsigned int m_minNjets{0u};
 
  // error handling
  bool m_validState{true};
  std::string m_msg;
};
#endif