00001 /*************************************************************************** 00002 ** 00003 ** This file is part of QGpCoreTools. 00004 ** 00005 ** This library is free software; you can redistribute it and/or 00006 ** modify it under the terms of the GNU Lesser General Public 00007 ** License as published by the Free Software Foundation; either 00008 ** version 2.1 of the License, or (at your option) any later version. 00009 ** 00010 ** This file is distributed in the hope that it will be useful, but WITHOUT 00011 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00013 ** License for more details. 00014 ** 00015 ** You should have received a copy of the GNU Lesser General Public 00016 ** License along with this library; if not, write to the Free Software 00017 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 ** 00019 ** See http://www.geopsy.org for more information. 00020 ** 00021 ** Created : 2009-04-11 00022 ** Authors : 00023 ** Marc Wathelet 00024 ** Marc Wathelet (LGIT, Grenoble, France) 00025 ** 00026 ***************************************************************************/ 00027 00028 #ifndef ABSTRACTNUMERICALKEY_H 00029 #define ABSTRACTNUMERICALKEY_H 00030 00031 #include "QGpCoreToolsDLLExport.h" 00032 00033 namespace QGpCoreTools { 00034 00035 class AbstractNumericalCache; 00036 00037 class QGPCORETOOLS_EXPORT AbstractNumericalKey 00038 { 00039 public: 00040 AbstractNumericalKey() {} 00041 virtual ~AbstractNumericalKey() {} 00042 00043 virtual bool operator==(const AbstractNumericalKey& o)=0; 00044 virtual int hash() const=0; 00045 virtual int byteCount() const=0; 00046 virtual AbstractNumericalCache * createCache()=0; 00047 00048 virtual int id() const=0; 00049 static int newId() {return _newId++;} 00050 private: 00051 static int _newId; 00052 }; 00053 00054 #define DECLARE_NUMERICALKEY(_KeyClass_) \ 00055 public: \ 00056 virtual int id() const {return _id;} \ 00057 private: \ 00058 friend class _KeyClass_##Register; \ 00059 static int _id; 00060 00061 #define IMPLEMENT_NUMERICALKEY(_KeyClass_) \ 00062 int _KeyClass_::_id=0; \ 00063 class _KeyClass_##Register \ 00064 { \ 00065 public: \ 00066 _KeyClass_##Register() {_KeyClass_::_id=AbstractNumericalKey::newId();} \ 00067 }; \ 00068 _KeyClass_##Register autoRegister##_KeyClass_; 00069 00070 } // namespace QGpCoreTools 00071 00072 #endif // ABSTRACTNUMERICALKEY_H
