objlink.h

Go to the documentation of this file.
00001 // Copyright (C) 2001,2002 Open Source Telecom Corporation.
00002 //
00003 // This program is free software; you can redistribute it and/or modify
00004 // it under the terms of the GNU General Public License as published by
00005 // the Free Software Foundation; either version 2 of the License, or
00006 // (at your option) any later version.
00007 //
00008 // This program is distributed in the hope that it will be useful,
00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00011 // GNU General Public License for more details.
00012 //
00013 // You should have received a copy of the GNU General Public License
00014 // along with this program; if not, write to the Free Software
00015 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00016 //
00017 // As a special exception to the GNU General Public License, permission is
00018 // granted for additional uses of the text contained in its release
00019 // of Common C++.
00020 //
00021 // The exception is that, if you link the Common C++ library with other
00022 // files to produce an executable, this does not by itself cause the
00023 // resulting executable to be covered by the GNU General Public License.
00024 // Your use of that executable is in no way restricted on account of
00025 // linking the Common C++ library code into it.
00026 //
00027 // This exception does not however invalidate any other reasons why
00028 // the executable file might be covered by the GNU General Public License.
00029 //
00030 // This exception applies only to the code released under the
00031 // name Common C++.  If you copy code from other releases into a copy of
00032 // Common C++, as the General Public License permits, the exception does
00033 // not apply to the code that you add in this way.  To avoid misleading
00034 // anyone as to the status of such modified files, you must delete
00035 // this exception notice from them.
00036 //
00037 // If you write modifications of your own for Common C++, it is your choice
00038 // whether to permit this exception to apply to your modifications.
00039 // If you do not wish that, delete this exception notice.
00040 
00047 #include <cstddef>
00048 
00049 namespace ost {
00050 
00059 template <class T, typename K>
00060 class objList {
00061 protected:
00062         static T* objFirst;
00063         T* objNext;
00064         const K objKey;
00065 
00066         objList(const K key) 
00067         {
00068                 objKey = key;
00069                 objNext = objFirst;
00070                 objFirst = (T *)this;
00071         }
00072 public:
00073         static T* getObject(const K& key);
00074 };
00075 
00076 template <class T, typename K>
00077 T *objList<T, K>::objFirst = NULL;
00078 
00079 template <class T, typename K>
00080 T *objList<T, K>::getObject(const K& key)
00081 {
00082         T *obj = objList<T, K>::objFirst;
00083         while(obj) {
00084                 if(key == obj->objKey)
00085                         break;
00086                 obj = obj->objNext;
00087         }
00088         return obj;
00089 }
00090 
00091 }

Generated on Fri May 30 14:35:00 2008 for GNU CommonC++ by  doxygen 1.4.7