IPileUpTool.h

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/* -*- C++ -*- */
 
/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef PILEUPTOOLS_IPILEUPTOOL_H
#define PILEUPTOOLS_IPILEUPTOOL_H
 
#include "GaudiKernel/IAlgTool.h"
 
#include "xAODEventInfo/EventInfo.h"
 
#include <vector>
typedef std::vector<xAOD::EventInfo::SubEvent>::const_iterator SubEventIterator;
 
class IPileUpTool : virtual public IAlgTool{
public:
  virtual StatusCode prepareEvent(const EventContext& /*ctx*/, unsigned int /*nInputEvents*/) { return StatusCode::SUCCESS; }
  virtual StatusCode processBunchXing(int bunchXing,
                                      SubEventIterator bSubEvents,
                                      SubEventIterator eSubEvents) = 0;
  virtual bool toProcess(int bunchXing) const =0;
  virtual StatusCode mergeEvent(const EventContext& /*ctx*/) { return StatusCode::SUCCESS; }
  virtual StatusCode processAllSubEvents(const EventContext& ctx) = 0;
  virtual bool filterPassed() const =0;
  virtual void resetFilter() =0;
 
  DeclareInterfaceID(IPileUpTool, 1, 0 );
};
 
#endif // PILEUPTOOLS_IPILEUPTOOL_H