ranker_factory.h

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#ifndef META_RANKER_FACTORY_H_
#define META_RANKER_FACTORY_H_

#include "index/ranker/ranker.h"
#include "util/factory.h"
#include "util/shim.h"

namespace cpptoml
{
class table;
}

namespace meta
{
namespace index
{

class ranker_factory : public util::factory<ranker_factory,
                                            ranker, const cpptoml::table&>
{
    friend base_factory;

  private:
    ranker_factory();

    template <class Ranker>
    void reg();
};

std::unique_ptr<ranker> make_ranker(const cpptoml::table&);

template <class Ranker>
std::unique_ptr<ranker> make_ranker(const cpptoml::table&)
{
    return make_unique<Ranker>();
}

template <class Ranker>
void register_ranker()
{
    ranker_factory::get().add(Ranker::id, make_ranker<Ranker>);
}

}
}
#endif