CLucene API Documentation (Version 0.9.21b)

00001 /*------------------------------------------------------------------------------
00002 * Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
00003 * 
00004 * Distributable under the terms of either the Apache License (Version 2.0) or 
00005 * the GNU Lesser General Public License, as specified in the COPYING file.
00006 ------------------------------------------------------------------------------*/
00007 #ifndef _lucene_search_ConjunctionScorer_
00008 #define _lucene_search_ConjunctionScorer_
00009 
00010 #if defined(_LUCENE_PRAGMA_ONCE)
00011 # pragma once
00012 #endif
00013 #include "Scorer.h"
00014 #include "Similarity.h"
00015 
00016 CL_NS_DEF(search)
00017 
00018 
00019 class ConjunctionScorer: public Scorer {
00020 private:
00021   CL_NS(util)::CLLinkedList<Scorer*,CL_NS(util)::Deletor::Object<Scorer> > scorers;
00022   bool firstTime;
00023   bool more;
00024   float_t coord;
00025 
00026   Scorer* first() const;
00027   Scorer* last();
00028   void sortScorers();
00029   bool doNext();
00030   void init();
00031 public:
00032   ConjunctionScorer(Similarity* similarity);
00033   virtual ~ConjunctionScorer();
00034   TCHAR* toString(void){
00035         return STRDUP_TtoT(_T("ConjunctionScorer"));
00036   }
00037   void add(Scorer* scorer);
00038   int32_t doc() const;
00039   bool next();
00040   bool skipTo(int32_t target);
00041   float_t score();
00042   virtual void explain(int32_t doc, Explanation* ret) {
00043     _CLTHROWA(CL_ERR_UnsupportedOperation,"UnsupportedOperationException: ConjunctionScorer::explain");
00044   }
00045 
00046 
00047 };
00048 
00049 CL_NS_END
00050 #endif
ConjunctionScorer.h
