00001 // -*- Mode: C++; tab-width: 2; -*- 00002 // vi: set ts=2: 00003 // 00004 // -------------------------------------------------------------------------- 00005 // OpenMS Mass Spectrometry Framework 00006 // -------------------------------------------------------------------------- 00007 // Copyright (C) 2003-2008 -- Oliver Kohlbacher, Knut Reinert 00008 // 00009 // This library is free software; you can redistribute it and/or 00010 // modify it under the terms of the GNU Lesser General Public 00011 // License as published by the Free Software Foundation; either 00012 // version 2.1 of the License, or (at your option) any later version. 00013 // 00014 // This library is distributed in the hope that it will be useful, 00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 // Lesser General Public License for more details. 00018 // 00019 // You should have received a copy of the GNU Lesser General Public 00020 // License along with this library; if not, write to the Free Software 00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00022 // 00023 // -------------------------------------------------------------------------- 00024 // $Maintainer: Clemens Gröpl, Chris Bielow $ 00025 // -------------------------------------------------------------------------- 00026 00027 #ifndef OPENMS_CONCEPT_SINGLETONREGISTRY_H 00028 #define OPENMS_CONCEPT_SINGLETONREGISTRY_H 00029 00030 00031 00032 #include <map> 00033 #include <iostream> 00034 #include <OpenMS/CONCEPT/FactoryBase.h> 00035 #include <OpenMS/DATASTRUCTURES/String.h> 00036 00037 namespace OpenMS 00038 { 00039 class String; 00040 00048 class SingletonRegistry 00049 { 00050 friend class singletonsNeedNoFriends; //some versions of gcc would warn otherwise 00051 00052 private: 00054 typedef std::map<String, FactoryBase*> Map; 00055 typedef Map::const_iterator MapIterator; 00056 00058 virtual ~SingletonRegistry(){} 00059 00061 SingletonRegistry(){} 00062 00064 static SingletonRegistry* instance_() 00065 { 00066 if (!singletonRegistryInstance_) 00067 { 00068 singletonRegistryInstance_ = new SingletonRegistry(); 00069 } 00070 return singletonRegistryInstance_; 00071 } 00072 00073 public: 00074 00076 static FactoryBase* getFactory(const String& name) 00077 { 00078 MapIterator it = instance_()->inventory_.find(name); 00079 if (it != instance_()->inventory_.end()) 00080 { 00081 return it->second; 00082 } 00083 else 00084 { 00085 throw Exception::InvalidValue(__FILE__, __LINE__, __PRETTY_FUNCTION__, "This Factory is not registered with SingletonRegistry!",name.c_str()); 00086 } 00087 } 00088 00095 static void registerFactory(const String& name, FactoryBase* instance) 00096 { 00097 instance_()->inventory_[name] = instance; 00098 } 00099 00101 static bool isRegistered(String name) 00102 { 00103 if (instance_()->inventory_.find(name) != instance_()->inventory_.end()) 00104 { 00105 return true; 00106 } 00107 return false; 00108 } 00109 00110 private: 00111 00112 Map inventory_; 00113 static SingletonRegistry* singletonRegistryInstance_; 00114 }; 00115 00116 00117 } 00118 #endif //OPENMS_CONCEPT_SINGLETONREGISTRY_H
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