CLucene - a full-featured, c++ search engine
API Documentation

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Scorer.h

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/*------------------------------------------------------------------------------
* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
* 
* Distributable under the terms of either the Apache License (Version 2.0) or 
* the GNU Lesser General Public License, as specified in the COPYING file.
------------------------------------------------------------------------------*/
#ifndef _lucene_search_Scorer_
#define _lucene_search_Scorer_

#if defined(_LUCENE_PRAGMA_ONCE)
# pragma once
#endif

#include "Similarity.h"
#include "SearchHeader.h"
#include "Explanation.h"

CL_NS_DEF(search)
class Scorer: LUCENE_BASE {
   private:
      Similarity* similarity;
   protected:
      Scorer(Similarity* similarity) {
         this->similarity = similarity;
      }
        public:
                virtual ~Scorer(){
                }

      Similarity* getSimilarity()  const{
         return this->similarity;
      }

      void score(HitCollector* hc) {
         while (next()) {
            hc->collect(doc(), score());
         }
      }

      virtual bool next() = 0;

      virtual int32_t doc() const = 0;

      virtual float_t score() = 0;

      virtual bool skipTo(int32_t target) = 0;

      virtual void explain(int32_t doc, Explanation* ret) = 0;

          
      virtual TCHAR* toString() = 0;

    };
CL_NS_END
#endif

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