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/* -*- mode: c++ -*-
*/
/*
GIFT, a flexible content based image retrieval system.
Copyright (C) 1998, 1999, 2000, 2001, 2002, CUI University of Geneva
Copyright (C) 2003, 2004 Bayreuth University
2005 Bamberg University
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++ -*-
/**
*
* CInvertedFileChunk
*
*
*
* modification history:
*
* HM 090399 created the documentation
*
*
*
* compiler defines used:
*
*
*/
#ifndef _CINVERTEDFILECHUNK
#define _CINVERTEDFILECHUNK
#include "libGIFTAcInvertedFile/include/uses-declarations.h"
#include <iostream>
#include <fstream>
#include "libMRML/include/TID.h"
#include <map>
#include "libGIFTAcInvertedFile/include/CDocumentFrequencyList.h"
/** */
class CMapInvertedFileChunk:public map<TID,double>{};
/** A class which does all the necessary administrative
work for generating inverted files. It contains the list of
documents which contain a given feature */
class CInvertedFileChunk:public CMapInvertedFileChunk{
public:
/**
*
* returns the percentage of documents which contain this one feature
*
*/
double getCollectionFrequency(size_t inSize)const;
/**
*
* add one document of to the list for one feature
*
*/
void addElement(TID inDocumentID, double inDocumentFrequency);
/**
*
* writes the binary part of the list for one feature
*
*/
bool writeBinary(ostream&,
TID inFeatureID,
size_t inSize)const;
};
#endif
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