ProcCount.cc

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// -*- C++ -*-
//
// Package:     MVAComputer
// Class  :     ProcCount
// 

// Implementation:
//     Variable processor that returns the number of input variable instances
//
// Author:      Christophe Saout
// Created:     Fri May 18 20:05 CEST 2007
//

#include "FWCore/Utilities/interface/Exception.h"

#include "PhysicsTools/MVAComputer/interface/VarProcessor.h"
#include "PhysicsTools/MVAComputer/interface/Calibration.h"

using namespace PhysicsTools;

namespace { // anonymous

class ProcCount : public VarProcessor {
    public:
    typedef VarProcessor::Registry::Registry<ProcCount,
                    Calibration::ProcCount> Registry;

    ProcCount(const char *name,
              const Calibration::ProcCount *calib,
              const MVAComputer *computer);
    ~ProcCount() override {}

    void configure(ConfIterator iter, unsigned int n) override;
    void eval(ValueIterator iter, unsigned int n) const override;
};

ProcCount::Registry registry("ProcCount");

ProcCount::ProcCount(const char *name,
                          const Calibration::ProcCount *calib,
                          const MVAComputer *computer) :
    VarProcessor(name, calib, computer)
{
}

void ProcCount::configure(ConfIterator iter, unsigned int n)
{
    while(iter)
        iter++(Variable::FLAG_ALL) << Variable::FLAG_NONE;
}

void ProcCount::eval(ValueIterator iter, unsigned int n) const
{
    while(iter) {
        unsigned int count = iter.size();
        iter(count);
        iter++;
    }
}

} // anonymous namespace