/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_13_patch3/src/RecoBTau/JetTagComputer/interface/GenericMVAComputerCache.h

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#ifndef RecoBTau_JetTagComputer_GenericMVAComputerCache_h
#define RecoBTau_JetTagComputer_GenericMVAComputerCache_h

#include <string>
#include <vector>
#include <memory>

#include "DataFormats/BTauReco/interface/BaseTagInfo.h"
#include "CondFormats/PhysicsToolsObjects/interface/MVAComputer.h"
#include "RecoBTau/JetTagComputer/interface/GenericMVAComputer.h"

class GenericMVAComputerCache {
    public:
        GenericMVAComputerCache(const std::vector<std::string> &labels);
        ~GenericMVAComputerCache();

        bool
        update(const PhysicsTools::Calibration::MVAComputerContainer *calib);

        inline GenericMVAComputer *getComputer(int index) const
        { return index >= 0 ? computers[index].computer.get() : 0; }

        inline bool isEmpty() const { return empty; }

    private:
        struct IndividualComputer {
                IndividualComputer();
                IndividualComputer(const IndividualComputer &orig);
                ~IndividualComputer();

                std::string                                             label;
                std::auto_ptr<GenericMVAComputer>                       computer;
                PhysicsTools::Calibration::MVAComputer::CacheId         cacheId;
        };

        std::vector<IndividualComputer>                                 computers;
        PhysicsTools::Calibration::MVAComputerContainer::CacheId        cacheId;
        bool                                                            initialized;
        bool                                                            empty;
};

#endif // RecoBTau_JetTagComputer_GenericMVAComputerCache_h