#ifndef _TOWER_CALCULATOR_HH_
#define _TOWER_CALCULATOR_HH_

#ifdef USE_CDFEDM2
//////////////////////////////////////////////////////////////////////////
//
// Component: TowerCalculator.hh
// Purpose: This is a base class for classes that calculate the 
//          summing of energy within calorimeter towers (i.e. 
//          summing the em part with the hadronic part of the tower)
//          
// Created: 15/09/99  Pierre Savard
// History: 
//
//////////////////////////////////////////////////////////////////////////

#include <iosfwd>
#include <iostream>
#include <cstddef>
#include "CalorGeometry/CalConstants.hh"
#include "CalorGeometry/Locations.hh"
#include "CalorObjects/CalTower.hh"
#include "CalorObjects/EnergyData.hh"
#include "CalorObjects/PhysicsTower.hh"


// namespace calor {
  
  class TowerCalculator {
  public:
    
    //
    // Memory management
    //
        
    // Default constructor

    //    TowerCalculator(); 
   
    // Default copy constructor and assignment operator do the right thing.
    
    // Destructor
    
    virtual ~TowerCalculator(){};
    
    //
    // Testing
    //
    
    //
    // Manipulation and access
    //

    // Access methods 

    virtual PhysicsTower* makePhysicsTower(EnergyData* eData, 
					   Locations* loc) const = 0;
    virtual PhysicsTower* makeCorrPhysicsTower(EnergyData* eData, 
					   Locations* loc, float emCorr, float hadCorr) const = 0;
    virtual std::string calcName() const = 0;
    virtual float etThreshold() const = 0;  
    virtual float energyThreshold() const = 0;  

    //
    // Printing
    //

    friend std::ostream& operator<<(std::ostream& os, const TowerCalculator& t);  
    
  private:

    //    string      _calcName; 	           
    //    float _etTheshhold;
  };
  
  
  // } // namespace calor

#endif  // USE_CDFEDM2
#endif // _TOWER_CALCULATOR_HH_