/data/refman/pasoursint/CMSSW_5_3_0/src/PhysicsTools/MVAComputer/src/MVAComputerCache.cc

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#include <memory>

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

namespace PhysicsTools {

MVAComputerCache::MVAComputerCache() :
        containerCacheId(Calibration::MVAComputerContainer::CacheId()),
        computerCacheId(Calibration::MVAComputer::CacheId())
{
}

MVAComputerCache::~MVAComputerCache()
{
}

bool MVAComputerCache::update(const Calibration::MVAComputer *computer)
{
        if (!computer && !*this)
                return false;
        if (computer && !computer->changed(computerCacheId))
                return false;

        if (computer) {
                this->computer.reset(new MVAComputer(computer));
                computerCacheId = computer->getCacheId();
        } else {
                this->computer.reset();
                computerCacheId = Calibration::MVAComputer::CacheId();
        }

        containerCacheId = Calibration::MVAComputerContainer::CacheId();
        return true;
}

bool MVAComputerCache::update(
                        const Calibration::MVAComputerContainer *container,
                        const char *calib)
{
        if (!container && !*this)
                return false;
        if (container && !container->changed(containerCacheId))
                return false;

        if (container) {
                const Calibration::MVAComputer *computer =
                                                &container->find(calib);
                bool result = update(computer);
                containerCacheId = container->getCacheId();
                return result;
        }

        this->computer.reset();

        computerCacheId = Calibration::MVAComputer::CacheId();
        containerCacheId = Calibration::MVAComputerContainer::CacheId();
        return true;
}

std::auto_ptr<MVAComputer> MVAComputerCache::release()
{
        computerCacheId = Calibration::MVAComputer::CacheId();
        containerCacheId = Calibration::MVAComputerContainer::CacheId();
        return computer;
}

} // namespace PhysicsTools