1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
// -*- 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
*/
#include "libMRML/include/my_throw.h"
#include "libMRML/include/GIFTExceptions.h"
#include "libMRML/include/CAccessor.h"
#include "libMRML/include/CAccessorFactory.h"
#include "libMRML/include/CAccessorFactoryContainer.h"
#include <sys/types.h> // reading a directory
#include <dirent.h> // reading a directory
// classes to include into the CAccessorFactoryContainer
#include "libGIFTAcInvertedFile/include/CAFInvertedFile.h"
#include "libGIFTAcInvertedFile/include/CAFIFMySQL.h"
#include "libGIFTAcPerl/include/CAFPerl.h"
#include "libGIFTAcURL2FTS/include/CAFURL2FTS.h"
#include "libGIFTAcDistanceMatrix/include/CAFDistanceMatrix.h"
#include "libGIFTAcHierarchy/include/CAFHierarchy.h"
#include "libMRML/include/CXMLElement.h"
#include "libMRML/include/CAFPlugin.h"
#include <string>
#include <iostream>
#include <set>
#include "libMRML/include/getLibNameFromFileName.h"
CAccessorFactoryContainer::CAccessorFactoryContainer():
mConfigurationData(0){
//fill the accessor factory container in a sensible way
// (new CAFInvertedFile())->registerFactory(*this);
// #ifdef __GIFT_BAYESIAN__
// (new CAFDistanceMatrix())->registerFactory(*this);
// #endif
// #ifdef __GIFT_WITH_MYSQL__
// (new CAFIFMySQL())->registerFactory(*this);
// #endif
#ifdef __GIFT_WITH_PERL__
(new CAFPerl())->registerFactory(*this);
#endif
//(new CAFURL2FTS())->registerFactory(*this);
//(new CAFHierarchy())->registerFactory(*this);
}
/** configure this */
void CAccessorFactoryContainer::configure(CXMLElement* inConfigurationData){
mConfigurationData=inConfigurationData;
#ifdef LINK_DYNAMICALLY
cout << "--" << endl
<< "Configuring the CAccessorFactoryContainer:" << endl
<< "I am going to scan the following directories for plugins "<< endl;
set<string> lSeenLibs;
if(inConfigurationData){
for(list<CXMLElement*>::const_iterator i=inConfigurationData->child_list_begin();
i!=inConfigurationData->child_list_end();
i++
){
if((*i)->getName()=="directory"){
cout << (*i)->stringReadAttribute("name").second
<< endl;
{
pair<bool,string> lDirectoryName((*i)->stringReadAttribute("name"));
DIR* lDirectory(0);
if(lDirectoryName.first){
lDirectory=opendir(lDirectoryName.second.c_str());
}
if(!lDirectory){
cerr << "FATAL ERROR, cannot find " << flush;
if(lDirectoryName.first){
cerr << lDirectoryName.second ;
}
cerr << endl;
exit(20);
}else{
dirent* lDirectoryEntry;
while(lDirectoryEntry=readdir(lDirectory)){
string lFileName(lDirectoryEntry->d_name);
pair<bool,string> lIsLibAndLibName(getLibNameFromFileName("libGIFTAc",lFileName));
bool lIsLib(lIsLibAndLibName.first);
string lLibName(lIsLibAndLibName.second);
if(lIsLib && (lSeenLibs.find(lLibName)==lSeenLibs.end())){
CAFPlugin* lPlugin(new CAFPlugin(lDirectoryName.second.c_str(),
lFileName,
lLibName));
if(lPlugin->isSane()){
cout << lFileName << " contains a sane GIFT Accessor plugin: " << lPlugin->getName() << endl;
registerFactory(lPlugin,string(lPlugin->getName()));
lSeenLibs.insert(lLibName);
}else{
cout << lFileName << " tested. Test FAILED. " << endl;
delete lPlugin;
}
}
else{
if(!lIsLib){
cout << "Not testing file:" << lFileName << " (File name does not match plugin name) " << endl;
}else{
cout << "Lib:" << lLibName << ", to be linked from " << lFileName << " already registered! " << endl;
}
}
}
}
}
}
}
}
cout << "FINISHED configuring the CAccessorFactoryContainer."
<< endl;
#endif
};
/**
The destructor destroys the CContentElements properly
*/
CAccessorFactoryContainer::~CAccessorFactoryContainer(){
for(CContent::iterator i=mContent.begin();
i!=mContent.end();
i++){
delete i->second.mFactory;
}
};
/**
adding a factory to the content
*/
void CAccessorFactoryContainer::registerFactory(CAccessorFactory* inFactory,
string inName){
CContent::const_iterator lFound=mContent.find(inName);
if(lFound!=mContent.end()){
string lMessage("Accessor ");
lMessage+=inName;
lMessage+=" tried to register twice!";
my_throw(VEProgrammingMistake(lMessage.c_str()));
}else{
mContent[inName].mFactory=inFactory;
mContent[inName].mOpenCloseCounter=0;
}
};
bool CAccessorFactoryContainer::isPresentFactory(string inName)const{
return(mContent.find(inName)!=mContent.end());
}
/**
opening an accessor:
if the accessor is already constructed,
then simply give the pointer,
otherwhise construct a new one
using the appropriate factory
*/
CAccessor* CAccessorFactoryContainer::openAccessor(string inName,
const CXMLElement& inCollectionElement){
CContent::const_iterator lFound=mContent.find(inName);
if(lFound==mContent.end()){
cerr << endl
<< "CAccessorFactoryContainer::openAccessor:"
<< inName << endl
<< " NOT FOUND." << endl;
return 0;
}else{
if(!(mContent[inName].mOpenCloseCounter)){
mContent[inName].mOpenCloseCounter++;
cerr << endl
<< "CAccessorFactoryContainer::openAccessor:"
<< inName << endl
<< " NEWLY GENERATED." << endl;
}else{
cerr << endl
<< "CAccessorFactoryContainer::openAccessor:"
<< inName << endl
<< " REUSED." << endl;
}
return mContent[inName].mFactory->makeAccessor(inCollectionElement);
}
};
/**
closing an accessor.
If there have been as many openAccessor
as closeAccessor calls, the accessor will
be delete-d.
*/
void CAccessorFactoryContainer::closeAccessor(string inName){
CContent::iterator lFound=mContent.find(inName);
if((lFound!=mContent.end())
&&
!(--(lFound->second.mOpenCloseCounter))){
lFound->second.mFactory->closeAccessor();
}
};
|
