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#ifndef _SAMPLER_H_
#define _SAMPLER_H_
#include <memory>
using namespace std;
namespace extractor {
class PhraseLocation;
class SuffixArray;
class Sampler {
public:
Sampler(shared_ptr<SuffixArray> suffix_array, int max_samples);
virtual ~Sampler();
virtual PhraseLocation Sample(const PhraseLocation& location) const;
protected:
Sampler();
private:
int Round(double x) const;
shared_ptr<SuffixArray> suffix_array;
int max_samples;
};
} // namespace extractor
#endif
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