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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_TermScorer_
#define _lucene_search_TermScorer_
#if defined(_LUCENE_PRAGMA_ONCE)
# pragma once
#endif
#include "Scorer.h"
#include "CLucene/index/Terms.h"
#include "CLucene/search/Similarity.h"
#include "SearchHeader.h"
CL_NS_DEF(search)
class TermScorer: public Scorer {
private:
CL_NS(index)::TermDocs* termDocs;
uint8_t* norms;
Weight* weight;
const qreal weightValue;
int32_t _doc;
int32_t docs[32]; // buffered doc numbers
int32_t freqs[32]; // buffered term freqs
int32_t pointer;
int32_t pointerMax;
qreal scoreCache[LUCENE_SCORE_CACHE_SIZE];
public:
//TermScorer takes TermDocs and delets it when TermScorer is cleaned up
TermScorer(Weight* weight, CL_NS(index)::TermDocs* td,
Similarity* similarity, uint8_t* _norms);
~TermScorer();
int32_t doc() const { return _doc; }
bool next();
bool skipTo(int32_t target);
void explain(int32_t doc, Explanation* ret);
TCHAR* toString();
qreal score();
};
CL_NS_END
#endif
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