/data/doxygen/doxygen-1.7.3/gen/CMSSW_4_2_8/src/PhysicsTools/PatAlgos/src/KinResolutionsLoader.cc

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#include "PhysicsTools/PatAlgos/interface/KinResolutionsLoader.h"
#include "PhysicsTools/PatAlgos/interface/KinematicResolutionRcd.h"

#include <algorithm>

using pat::helper::KinResolutionsLoader;

KinResolutionsLoader::KinResolutionsLoader(const edm::ParameterSet &iConfig) 
{
    // Get the names (sorted)
    patlabels_ = iConfig.getParameterNamesForType<std::string>();
    
    // get the InputTags
    for (std::vector<std::string>::const_iterator it = patlabels_.begin(), ed = patlabels_.end(); it != ed; ++it) {
        eslabels_.push_back( iConfig.getParameter<std::string>(*it) );
    }

    // prepare the Handles
    handles_.resize(patlabels_.size());

    // 'default' maps to empty string
    for (std::vector<std::string>::iterator it = patlabels_.begin(), ed = patlabels_.end(); it != ed; ++it) {
        if (*it == "default") *it = "";
    }
}

void
KinResolutionsLoader::newEvent(const edm::Event &iEvent, const edm::EventSetup &iSetup) const {
    for (size_t i = 0, n = patlabels_.size(); i < n; ++i) {
        iSetup.get<KinematicResolutionRcd>().get(eslabels_[i], handles_[i]);
        handles_[i]->setup(iSetup);
    }    
}

void 
KinResolutionsLoader::fillDescription(edm::ParameterSetDescription & iDesc) {
    iDesc.add<bool>("addResolutions",false)->setComment("Add resolutions into this PAT Object");
    edm::ParameterSetDescription resolutionPSet;
    resolutionPSet.setAllowAnything();
    iDesc.addOptional("resolutions", resolutionPSet)->setComment("Resolution values to get from EventSetup");
}