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source: code/branches/console/src/core/IdentifierDistributor.cc @ 1142

Last change on this file since 1142 was 1056, checked in by landauf, 17 years ago

don't panic, no codechanges!
added a link to www.orxonox.net

File size: 2.2 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 IdentifierDistributor.cc
31    @brief Implementation of the IdentifierDistributor class.
32*/
33
34#include "IdentifierDistributor.h"
35#include "Identifier.h"
36
37namespace orxonox
38{
39    /**
40        @brief Returns the only instance of a ClassIdentifier for a given class.
41        @param name The name of the class
42        @param proposal A proposal for the ClassIdentifier in case there is no entry yet.
43        @return The unique ClassIdentifier
44    */
45    Identifier* IdentifierDistributor::getIdentifier(const std::string& name, Identifier* proposal)
46    {
47        // Create the only instance of the IdentifierDistributor-singleton
48        static IdentifierDistributor theOneAndOnlyInstance = IdentifierDistributor();
49
50        // Look for an entry in the map
51        std::map<std::string, Identifier*>::const_iterator it = theOneAndOnlyInstance.identifiers_.find(name);
52        if (it != theOneAndOnlyInstance.identifiers_.end())
53        {
54            // There is already an entry: return it
55            return (*it).second;
56        }
57        else
58        {
59            // There is no entry: put the proposal into the map and return it
60            theOneAndOnlyInstance.identifiers_[name] = proposal;
61            return proposal;
62        }
63    }
64}
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