RFilterBase.cxx

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// Author: Enrico Guiraud, Danilo Piparo CERN  09/2018
 
/*************************************************************************
 * Copyright (C) 1995-2018, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#include "ROOT/RDF/RCutFlowReport.hxx"
#include "ROOT/RDF/RFilterBase.hxx"
#include "ROOT/RDF/Utils.hxx"
#include <numeric> // std::accumulate
 
using namespace ROOT::Detail::RDF;
 
RFilterBase::RFilterBase(RLoopManager *implPtr, std::string_view name, const unsigned int nSlots,
                         const RDFInternal::RBookedDefines &defines)
   : RNodeBase(implPtr), fLastResult(nSlots * RDFInternal::CacheLineStep<int>()),
     fAccepted(nSlots * RDFInternal::CacheLineStep<ULong64_t>()),
     fRejected(nSlots * RDFInternal::CacheLineStep<ULong64_t>()), fName(name), fNSlots(nSlots), fDefines(defines)
{
}
 
// outlined to pin virtual table
RFilterBase::~RFilterBase() {}
 
bool RFilterBase::HasName() const
{
   return !fName.empty();
}
 
std::string RFilterBase::GetName() const
{
   return fName;
}
 
void RFilterBase::FillReport(ROOT::RDF::RCutFlowReport &rep) const
{
   if (fName.empty()) // FillReport is no-op for unnamed filters
      return;
   const auto accepted = std::accumulate(fAccepted.begin(), fAccepted.end(), 0ULL);
   const auto all = accepted + std::accumulate(fRejected.begin(), fRejected.end(), 0ULL);
   rep.AddCut({fName, accepted, all});
}
 
void RFilterBase::InitNode()
{
   fLastCheckedEntry = std::vector<Long64_t>(fNSlots * RDFInternal::CacheLineStep<Long64_t>(), -1);
   if (!fName.empty()) // if this is a named filter we care about its report count
      ResetReportCount();
}