/* -*- mode: c++ -*-
*/
/*
GIFT, a flexible content based image retrieval system.
Copyright (C) 1998, 1999, 2000 CUI, University of Geneva
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/***************************************
*
* CIFLISTREADERELEMENT
*
****************************************
*
* modification history:
*
* HM 090399 created the documentation
*
****************************************
*
* compiler defines used:
*
*
****************************************/
#ifndef _CIFLISTREADERELEMENT
#define _CIFLISTREADERELEMENT
class CInvertedFileAccessor;
class CWeightingFunction;
#include "CIFListStart.h"
///
class CIFListReaderElement{
///
long mFirstTuplePosition;
///
istream& mInvertedFile;
///
CInvertedFileAccessor& mAccessor;
///
CWeightingFunction& mWeightingFunction;
///
double mValue;
///
CDocumentFrequencyElement* mDocumentFrequencyElement;
public:
/***************************************
*
*
*
***************************************/
///
CIFListReaderElement(const CInvertedFileAccessor& inAccessor,
const CWeightingFunctionPointerHash& inWF);
/***************************************
*
*
*
***************************************/
///
double getValue()const;
/***************************************
*
*
*
***************************************/
///
void reset()const;
/***************************************
*
*
*
***************************************/
///
double getNext()const;
/***************************************
*
*
*
***************************************/
///
operator bool()const;
};
///sort for maximal value (descending)
inline operator<(const CIFListReaderElement& l,
const CIFListReaderElement& t){
return l.getValue()<t.getValue();
};
#endif
Documentation generated by muellerw@pc7170 on Fre Sep 29 14:43:08 CEST 2000