System documentation of the GNU Image-Finding Tool

CAcInvertedFile.h
1 /* -*- mode: c++ -*-
2 */
3 /*
4 
5  GIFT, a flexible content based image retrieval system.
6  Copyright (C) 1998, 1999, 2000, 2001, 2002, CUI University of Geneva
7 
8  Copyright (C) 2003, 2004 Bayreuth University
9  2005 Bamberg University
10  This program is free software; you can redistribute it and/or modify
11  it under the terms of the GNU General Public License as published by
12  the Free Software Foundation; either version 2 of the License, or
13  (at your option) any later version.
14 
15  This program is distributed in the hope that it will be useful,
16  but WITHOUT ANY WARRANTY; without even the implied warranty of
17  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  GNU General Public License for more details.
19 
20  You should have received a copy of the GNU General Public License
21  along with this program; if not, write to the Free Software
22  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 
24 */
25 // -*- mode: c++ -*-
26 
27 
28 class CXMLElement;
29 
52 #ifndef _CINVERTEDFILEACCESSOR
53 #define _CINVERTEDFILEACCESSOR
54 #include "libGIFTAcInvertedFile/include/uses-declarations.h"
55 #include <string>
56 #include "libMRML/include/TID.h"
57 #include "libMRML/include/CAccessor.h"
58 #include "libGIFTAcInvertedFile/include/CDocumentFrequencyList.h"
59 #include <iostream>
60 #include <fstream>
61 #include <map>
62 #include <vector>
63 #ifdef HAS_HASH_MAP
64 #include <hash_map>
65 #else
66 #define hash_map map
67 #endif
68 
69 #include <functional>
70 #include <algorithm>
71 
72 #include "libMRML/include/CMagic.h"
73 
74 
75 typedef TID TFeatureID ;
76 
83 class CAcInvertedFile:public CAccessor{
84 
85 public:
87  virtual bool operator()()const =0;
88 
92  virtual string IDToURL(TID inID)const =0;
93 
95  virtual pair<bool,TID> URLToID(const string& inURL)const =0;
96 
113  virtual CDocumentFrequencyList* FeatureToList(TFeatureID inFID)const =0;
114 
116  virtual CDocumentFrequencyList* URLToFeatureList(string inURL)const =0;
117 
119  virtual CDocumentFrequencyList* DIDToFeatureList(TID inDID)const =0;
120 
133 
134 
138  virtual double FeatureToCollectionFrequency(TFeatureID)const =0;
139 
141  virtual unsigned int getFeatureDescription(TID inFeatureID)const =0;
143 
147  virtual double DIDToMaxDocumentFrequency(TID)const =0;
148 
150  virtual double DIDToDFSquareSum(TID)const =0;
151 
153  virtual double DIDToSquareDFLogICFSum(TID)const =0;
155 
156  /*@name Inverted File Generation and Consistency Checking*/
158 
161  virtual bool generateInvertedFile() =0;
162 
165  virtual bool checkConsistency() =0;
166 
168 
176  virtual list<TID>* getAllFeatureIDs()const =0;
177 };
178 
179 #endif

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