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IFloatingFeePedestalSvc.h

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/*
 *  IFloatingFeePedestalSvc.h
 *
 *  Interface Floating Fee Pedestal Svc
 *  Record the preAdc values from past events,
 *  give best estimation of pedestal of current event.
 *
 *  Created by Zhe Wang  Jun 23 2010
 */

#ifndef _I_FLOATING_FEE_PEDESTAL_SVC_H_
#define _I_FLOATING_FEE_PEDESTAL_SVC_H_

#include "GaudiKernel/IInterface.h"
#include "Event/ReadoutHeader.h"
#include "Conventions/Electronics.h"

// Declaration of the interface ID
static const InterfaceID IID_IFloatingFeePedestalSvc("IFloatingFeePedestalSvc",1,0);

class IFloatingFeePedestalSvc : virtual public IInterface
{
 public:
  // Retrieve interface ID
  static const InterfaceID& interfaceID(){
    return IID_IFloatingFeePedestalSvc;
  }

  // Record the preAdc value from past events,
  virtual StatusCode cumulate( const DayaBay::ReadoutHeader* rh )= 0;

  // Return the FEE Calibration data. Return negative value when error.
  virtual double pedestal( const DayaBay::FeeChannelId& channelId,
                           int gain ) const = 0;

};

#endif  // _I_FLOATING_FEE_PEDESTAL_SVC_H_

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