/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/ReweightUtils/ReweightUtils/WeightsAgregator.h

// 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;

    mutable ToolHandleArray< IWeightTool > m_toolArray;

  };

#endif //> !WEIGHTSAGREGATOR_H

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