cpp/galago/include/Accumulators.hpp

   1
   2 //
   3 // Accumulators
   4 //
   5 // 23 February 2007 -- tds
   6 //
   7 // This interface abstracts the accumulator collection so we
   8 // can use different implementations.
   9 //
  10
  11 #ifndef GALAGO_ACCUMULATORS_HPP
  12 #define GALAGO_ACCUMULATORS_HPP
  13
  14 class Accumulators {
  15 public:
  16     virtual ~Accumulators() {};
  17
  18     virtual bool canIgnoreFuturePostings( int requested ) = 0;
  19     virtual int size() = 0;
  20     virtual std::vector<indri::api::ScoredExtentResult> topResults( int requested ) = 0;
  21     virtual int totalUnseen() = 0;
  22     virtual void processBin( int score, BinOrderedBinnedIterator* iterator ) = 0;
  23     virtual void processBin( int score, int termIndex, BinOrderedBinnedIterator* iterator ) = 0;
  24     virtual void setMaxUnseen( int termIndex, int score ) = 0;
  25     virtual void trim() = 0;
  26     virtual void calculateThresholdScore( int requested ) = 0;
  27     virtual void setThresholdScore( int threshold ) = 0;
  28     virtual int maxTerms() const = 0;
  29     virtual int threshold() const = 0;
  30 };
  31
  32 #endif // GALAGO_ACCUMULATORS_HPP