1 // -*- C++ -*- 2 /** 3 * @brief The class IdFactory builds unique Ids for all Objects 4 * 5 * Copyright 2005-2021 Airbus-EDF-IMACS-ONERA-Phimeca 6 * 7 * This library is free software: you can redistribute it and/or modify 8 * it under the terms of the GNU Lesser General Public License as published by 9 * the Free Software Foundation, either version 3 of the License, or 10 * (at your option) any later version. 11 * 12 * This library 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 Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public License 18 * along with this library. If not, see <http://www.gnu.org/licenses/>. 19 * 20 */ 21 #include <cstdlib> 22 #include "openturns/IdFactory.hxx" 23 #include "openturns/OSS.hxx" 24 #include "openturns/OTthread.hxx" 25 #include "openturns/MutexLock.hxx" 26 27 BEGIN_NAMESPACE_OPENTURNS 28 29 30 /* Id accessor */ BuildId()31Id IdFactory::BuildId() 32 { 33 static AtomicInt IdFactory_NextId = 1; 34 return IdFactory_NextId.fetchAndAdd(1); 35 } 36 37 END_NAMESPACE_OPENTURNS 38