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
|
/*
-----------------------------------------------------------------------
Copyright: 2010-2018, imec Vision Lab, University of Antwerp
2014-2018, CWI, Amsterdam
Contact: astra@astra-toolbox.com
Website: http://www.astra-toolbox.com/
This file is part of the ASTRA Toolbox.
The ASTRA Toolbox 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 3 of the License, or
(at your option) any later version.
The ASTRA Toolbox 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 the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
-----------------------------------------------------------------------
*/
#ifndef _INC_ASTRA_ASTRAOBJECTFACTORY
#define _INC_ASTRA_ASTRAOBJECTFACTORY
#include "Globals.h"
#include "Config.h"
#include "Singleton.h"
#include "Utilities.h"
#include "TypeList.h"
#include "ProjectorTypelist.h"
#include "AlgorithmTypelist.h"
#ifdef ASTRA_PYTHON
#include "PluginAlgorithm.h"
#endif
namespace astra {
/**
* This class contains functionality to create data objects based on their type or on a configuration object.
*/
template <typename T, typename TypeList>
class CAstraObjectFactory : public Singleton<CAstraObjectFactory<T, TypeList> > {
public:
/** A default constructor that contains not a single line of code.
*/
CAstraObjectFactory();
/** Destructor.
*/
~CAstraObjectFactory();
/** Create, but don't initialize, a new object.
*
* @param _sType Type of the new object.
* @return Pointer to a new, uninitialized object.
*/
T* create(std::string _sType);
/** Create and initialize a new object.
*
* @param _cfg Configuration object to create and initialize a new object.
* @return Pointer to a new, initialized projector.
*/
T* create(const Config& _cfg);
/** Find a plugin.
*
* @param _sType Name of plugin to find.
* @return Pointer to a new, uninitialized object, or NULL if not found.
*/
T* findPlugin(std::string _sType);
};
//----------------------------------------------------------------------------------------
// Constructor
template <typename T, typename TypeList>
CAstraObjectFactory<T, TypeList>::CAstraObjectFactory()
{
}
//----------------------------------------------------------------------------------------
// Destructor
template <typename T, typename TypeList>
CAstraObjectFactory<T, TypeList>::~CAstraObjectFactory()
{
}
//----------------------------------------------------------------------------------------
// Hook for finding plugin in registered plugins.
template <typename T, typename TypeList>
T* CAstraObjectFactory<T, TypeList>::findPlugin(std::string _sType)
{
return NULL;
}
//----------------------------------------------------------------------------------------
// Create
template <typename T, typename TypeList>
T* CAstraObjectFactory<T, TypeList>::create(std::string _sType)
{
typelist::functor_find<T> finder = typelist::functor_find<T>();
finder.tofind = _sType;
typelist::CreateObject<TypeList>::find(finder);
if (finder.res == NULL) {
finder.res = findPlugin(_sType);
}
return finder.res;
}
//----------------------------------------------------------------------------------------
// Create the necessary Object Managers
/**
* Class used to create algorithms from a string or a config object
*/
class _AstraExport CAlgorithmFactory : public CAstraObjectFactory<CAlgorithm, AlgorithmTypeList> {};
#ifdef ASTRA_PYTHON
template <>
inline CAlgorithm* CAstraObjectFactory<CAlgorithm, AlgorithmTypeList>::findPlugin(std::string _sType)
{
CPluginAlgorithmFactory *fac = CPluginAlgorithmFactory::getFactory();
if (fac)
return fac->getPlugin(_sType);
else
return 0;
}
#endif
/**
* Class used to create 2D projectors from a string or a config object
*/
class _AstraExport CProjector2DFactory : public CAstraObjectFactory<CProjector2D, Projector2DTypeList> {};
/**
* Class used to create 3D projectors from a string or a config object
*/
class _AstraExport CProjector3DFactory : public CAstraObjectFactory<CProjector3D, Projector3DTypeList> {};
} // end namespace
#endif
|
