/* -*- 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
*/
// -*- mode: c++ -*-
#ifndef _CWEIGHTER
#define _CWEIGHTER
class CWeightingFunction;
class CQueryNormalizer;
class CAcInvertedFile;
/**
A weighter is a set of WeightingFunction and
normalizers which are going to be used together.
Also:
The content of the weighting function factory
@author Wolfgang Müller
*/
class CWeighter{
/** */
CWeightingFunction* mWeightingFunction;
/** */
CQueryNormalizer* mDocumentNormalizer;
/** */
CQueryNormalizer* mQueryNormalizer;
public:
/** constructor */
CWeighter(CWeightingFunction* inWeightingFunction=0,
CQueryNormalizer* inDocumentNormalizer=0,
CQueryNormalizer* inQueryNormalizer=0);
/**
make the weighting function know who its normalizers are
*/
void init();
/**
Set for all content the accessor properly and then call init.
*/
void setAccessor(CAcInvertedFile& inAccessor);
/**
clone: clone an init-ed copy of this
*/
CWeighter* clone()const;
/** destructor: deletes all content. */
~CWeighter();
/** */
CWeightingFunction* getWeightingFunction()const;
/** */
CQueryNormalizer* getDocumentNormalizer()const;
/** */
CQueryNormalizer* getQueryNormalizer()const;
};
#endif
Documentation generated by muellerw@pc7170 on Son Okt 8 16:04:40 CEST 2000