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#ifndef _SCORER_H_
#define _SCORER_H_
#include <memory>
#include <string>
#include <vector>
using namespace std;
namespace extractor {
namespace features {
class Feature;
class FeatureContext;
} // namespace features
/**
* Computes the feature scores for a source-target phrase pair.
*/
class Scorer {
public:
Scorer(const vector<shared_ptr<features::Feature> >& features);
virtual ~Scorer();
// Computes the feature score for the given context.
virtual vector<double> Score(const features::FeatureContext& context) const;
// Returns the set of feature names used to score any context.
virtual vector<string> GetFeatureNames() const;
protected:
Scorer();
private:
vector<shared_ptr<features::Feature> > features;
};
} // namespace extractor
#endif
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