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source: code/branches/shader/src/core/ClassFactory.h @ 2792

Last change on this file since 2792 was 1505, checked in by rgrieder, 16 years ago

f* svn: It doesn't even inform you if you attempt to set a non existing property. It is svn:eol-style and not eol-style when using the command by the way…

  • Property svn:eol-style set to native
File size: 3.0 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Fabian 'x3n' Landau
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29/**
30    @file ClassFactory.h
31    @brief Definition and implementation of the ClassFactory class
32
33    The ClassFactory is able to create new objects of a specific class.
34*/
35
36#ifndef _ClassFactory_H__
37#define _ClassFactory_H__
38
39#include "CorePrereqs.h"
40
41#include <string>
42
43#include "Factory.h"
44#include "Identifier.h"
45#include "Debug.h"
46
47namespace orxonox
48{
49    // ###############################
50    // ###      ClassFactory       ###
51    // ###############################
52    //! The ClassFactory is able to create new objects of a specific class.
53    template <class T>
54    class ClassFactory : public BaseFactory
55    {
56        public:
57            static bool create(const std::string& name);
58            BaseObject* fabricate();
59
60        private:
61            ClassFactory() {}                               // Don't create
62            ClassFactory(const ClassFactory& factory) {}    // Don't copy
63            virtual ~ClassFactory() {}                      // Don't delete
64
65            static T* createNewObject();
66    };
67
68    /**
69        @brief Adds the ClassFactory to the Identifier of the same type and the Identifier to the Factory.
70        @return Always true (this is needed because the compiler only allows assignments before main())
71    */
72    template <class T>
73    bool ClassFactory<T>::create(const std::string& name)
74    {
75        COUT(4) << "*** ClassFactory: Create entry for " << name << " in Factory." << std::endl;
76        ClassManager<T>::getIdentifier()->addFactory(new ClassFactory<T>);
77        Factory::add(name, ClassManager<T>::getIdentifier());
78
79        return true;
80    }
81
82    /**
83        @brief Creates and returns a new object of class T.
84        @return The new object
85    */
86    template <class T>
87    BaseObject* ClassFactory<T>::fabricate()
88    {
89        return ClassFactory<T>::createNewObject();
90    }
91
92    /**
93        @brief Creates and returns a new object of class T; this is a wrapper for the new operator.
94        @return The new object
95    */
96    template <class T>
97    T* ClassFactory<T>::createNewObject()
98    {
99        return new T;
100    }
101}
102
103#endif /* _ClassFactory_H__ */
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