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60 lines
2.6 KiB
C
60 lines
2.6 KiB
C
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/***************************************************************************
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* This file is part of the Lime Report project *
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* Copyright (C) 2015 by Alexander Arin *
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* arin_a@bk.ru *
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* *
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** GNU General Public License Usage **
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* *
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* This library is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, or *
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* (at your option) any later version. *
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* You should have received a copy of the GNU General Public License *
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* along with this program. If not, see <http://www.gnu.org/licenses/>. *
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* *
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** GNU Lesser General Public License **
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* *
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* This library is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of the *
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* License, or (at your option) any later version. *
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* You should have received a copy of the GNU Lesser General Public *
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* License along with this library. *
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* If not, see <http://www.gnu.org/licenses/>. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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****************************************************************************/
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#ifndef LRSINGLETON_H
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#define LRSINGLETON_H
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#include <cstdlib>
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namespace LimeReport{
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template <typename T>
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class Singleton
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{
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public:
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static T& instance(){
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if (0==inst){
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inst = new T();
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::atexit( destroy );
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} else {};
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return *inst;
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}
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private:
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static T* inst;
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private:
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static void destroy() {
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delete inst;
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}
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};
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template <typename T>
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T* Singleton< T >::inst =0;
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}
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#endif // LRSINGLETON_H
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