WeightsAgregator.h

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/*
  Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
*/
 
// Computes the product (multiplication) of the weights provided by
// different IWeightTools
//
// Author: Olivier Arnaez <olivier.arnaez@cern.ch>
 
#ifndef WEIGHTSAGREGATOR_H
#define WEIGHTSAGREGATOR_H 1
 
// Include the base class
#include "AsgTools/ToolHandle.h"
#include "AsgTools/ToolHandleArray.h"
#include "ReweightUtils/WeightToolBase.h"
#include "PATInterfaces/IWeightTool.h"
 
 
class WeightsAgregator : public WeightToolBase
  {
    ASG_TOOL_CLASS2( WeightsAgregator, IWeightTool, IObservableTool )
 
   public:
    WeightsAgregator( const std::string& name );

    virtual ~WeightsAgregator() {};

    virtual StatusCode  initialize() override;

      virtual double evaluate( const xAOD::IParticle* part ) const override;

    virtual double getWeight() const override;
 
 
   private:
    std::string m_eventInfoName;

    ToolHandleArray< IWeightTool > m_toolArray;
 
  };
 
#endif //> !WEIGHTSAGREGATOR_H