source: rrlib_util/patterns/factory/tFactory.h @ 43:0b04f7b6406e

Last change on this file since 43:0b04f7b6406e was 43:0b04f7b6406e, checked in by Tobias Föhst <foehst@…>, 8 years ago

Reformatted with astyle 2.02.1

File size: 4.0 KB
Line 
1//
2// You received this file as part of RRLib
3// Robotics Research Library
4//
5// Copyright (C) Finroc GbR (finroc.org)
6//
7// This program is free software; you can redistribute it and/or
8// modify it under the terms of the GNU General Public License
9// as published by the Free Software Foundation; either version 2
10// of the License, or (at your option) any later version.
11//
12// This program is distributed in the hope that it will be useful,
13// but WITHOUT ANY WARRANTY; without even the implied warranty of
14// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15// GNU General Public License for more details.
16//
17// You should have received a copy of the GNU General Public License
18// along with this program; if not, write to the Free Software
19// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
20//
21//----------------------------------------------------------------------
22/*!\file    tFactory.h
23 *
24 * \author  Tobias Foehst
25 *
26 * \date    2011-01-07
27 *
28 * \brief Contains tFactory
29 *
30 * \b tFactory
31 *
32 */
33//----------------------------------------------------------------------
34#ifndef __rrlib__util__patterns__factory__tFactory_h__
35#define __rrlib__util__patterns__factory__tFactory_h__
36
37//----------------------------------------------------------------------
38// External includes (system with <>, local with "")
39//----------------------------------------------------------------------
40#include <map>
41
42//----------------------------------------------------------------------
43// Internal includes with ""
44//----------------------------------------------------------------------
45#include "rrlib/util/patterns/command.h"
46
47//----------------------------------------------------------------------
48// Debugging
49//----------------------------------------------------------------------
50#include <cassert>
51
52//----------------------------------------------------------------------
53// Namespace declaration
54//----------------------------------------------------------------------
55namespace rrlib
56{
57namespace util
58{
59
60//----------------------------------------------------------------------
61// Forward declarations / typedefs / enums
62//----------------------------------------------------------------------
63
64//----------------------------------------------------------------------
65// Class declaration
66//----------------------------------------------------------------------
67//!
68/*!
69 *
70 */
71template <
72typename TAbstractProduct,
73         typename TIdentifier,
74         typename TProductCreator = tFunctor<TAbstractProduct *>,
75         template <typename TAbstractProduct, typename TIdentifier> class TUnknownKeyPolicy = factory::ThrowException
76         >
77class tFactory
78{
79
80//----------------------------------------------------------------------
81// Public methods and typedefs
82//----------------------------------------------------------------------
83public:
84
85  const bool Register(const TIdentifier &id, const TProductCreator &creator)
86  {
87    return this->id_to_creator_map.insert(std::make_pair(id, creator)).second;
88  }
89
90  template <typename TProduct>
91  const bool Register(const TIdentifier &id)
92  {
93    return this->Register(id, &factory::DefaultNewCreator<TProduct>);
94  }
95
96  const bool Unregister(const TIdentifier &id)
97  {
98    return this->id_to_creator_map.erase(id) == 1;
99  }
100
101  TAbstractProduct *Create(const TIdentifier &id) const
102  {
103    typename std::map<TIdentifier, TProductCreator>::const_iterator it = this->id_to_creator_map.find(id);
104    if (it != this->id_to_creator_map.end())
105    {
106      return (it->second)();
107    }
108    return TUnknownKeyPolicy<TAbstractProduct, TIdentifier>::OnUnknownType(id);
109  }
110
111//----------------------------------------------------------------------
112// Private fields and methods
113//----------------------------------------------------------------------
114private:
115
116  std::map<TIdentifier, TProductCreator> id_to_creator_map;
117
118};
119
120//----------------------------------------------------------------------
121// End of namespace declaration
122//----------------------------------------------------------------------
123}
124}
125
126#endif
Note: See TracBrowser for help on using the repository browser.