/data/refman/pasoursint/CMSSW_5_3_3/src/PhysicsTools/MVAComputer/src/MVAComputerESSourceBase.cc

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#include <iostream>
#include <string>
#include <memory>
#include <vector>
#include <map>

#include <boost/shared_ptr.hpp>

#include "FWCore/Utilities/interface/Exception.h"
#include "FWCore/Framework/interface/ESProducer.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ParameterSet/interface/Entry.h"
#include "FWCore/ParameterSet/interface/FileInPath.h"

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

namespace PhysicsTools {

MVAComputerESSourceBase::MVAComputerESSourceBase(
                                        const edm::ParameterSet &params)
{
        std::vector<std::string> names = params.getParameterNames();
        for(std::vector<std::string>::const_iterator iter = names.begin();
            iter != names.end(); iter++) {
                if (iter->c_str()[0] == '@')
                        continue;

                const edm::Entry &entry = params.retrieve(*iter);

                std::string path;
                if (entry.typeCode() == 'F')
                        path = entry.getFileInPath().fullPath();
                else 
                        path = entry.getString();

                mvaCalibrations[*iter] = path;
        }
}

MVAComputerESSourceBase::~MVAComputerESSourceBase()
{
}

MVAComputerESSourceBase::ReturnType
MVAComputerESSourceBase::produce() const
{
        ReturnType container(new Calibration::MVAComputerContainer);

        for(LabelFileMap::const_iterator iter = mvaCalibrations.begin();
            iter != mvaCalibrations.end(); iter++) {
                std::auto_ptr<Calibration::MVAComputer> calibration(
                        MVAComputer::readCalibration(iter->second.c_str()));

                container->add(iter->first) = *calibration;
        }

        return container;
}

} // namespace PhysicsTools