#ifndef _SAMPLER_H_ #define _SAMPLER_H_ #include <memory> #include <unordered_set> using namespace std; namespace extractor { class PhraseLocation; /** * Base sampler class. */ class Sampler { public: virtual PhraseLocation Sample( const PhraseLocation& location, const unordered_set<int>& blacklisted_sentence_ids) const = 0; }; } // namespace extractor #endif