SumOfWeightsAlg.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
// Calls IWeightTool objects for each event and stores SumOfWeights
// for each of these computations
//
// Author: Danilo Ferreira de Lima <dferreir@cern.ch>
 
#ifndef REWEIGHTUTILS_SUMOFWEIGHTSALG_H
#define REWEIGHTUTILS_SUMOFWEIGHTSALG_H
 
// Include the base class
#include "AthenaBaseComps/AthReentrantAlgorithm.h"
#include "AthenaKernel/ICutFlowSvc.h"
#include "CxxUtils/checker_macros.h"
#include "GaudiKernel/ToolHandle.h"
 
#include <string>
#include <vector>
 
class IWeightTool;
 
class SumOfWeightsAlg : public AthReentrantAlgorithm {
 
  public:
    using AthReentrantAlgorithm::AthReentrantAlgorithm;

    virtual StatusCode initialize ATLAS_NOT_THREAD_SAFE () override;
    virtual StatusCode execute(const EventContext& ctx) const override;
 
  private:

    ServiceHandle<ICutFlowSvc> m_cutFlowSvc{ this, "CutFlowSvc", "CutFlowSvc/CutFlowSvc", "Pointer to the CutFlowSvc"};
    PublicToolHandleArray<IWeightTool> m_weightTools{ this, "WeightTools", {}, "List of WeightTools to be called for each event"};

    std::vector<CutIdentifier> m_cutIDs;
 
};
 
#endif //> !REWEIGHTUTILS_SUMOFWEIGHTSALG_H