mirror of
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104 lines
4.5 KiB
C++
104 lines
4.5 KiB
C++
/***************************************************************************
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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 LRSIMPLEABSTRACTFACTORY_H
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#define LRSIMPLEABSTRACTFACTORY_H
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#include "lrsingleton.h"
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#include "lrglobal.h"
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#include <stdexcept>
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#include <QHash>
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#include <QMap>
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#include <QString>
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namespace LimeReport{
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template
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<
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typename AbstractProduct,
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typename IdentifierType,
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typename ProductCreator
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>
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class SimpleAbstractFactory
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: public Singleton< SimpleAbstractFactory< AbstractProduct,IdentifierType,ProductCreator > >
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{
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private:
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typedef QHash<IdentifierType,ProductCreator> FactoryMap;
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friend class Singleton< SimpleAbstractFactory< AbstractProduct,IdentifierType,ProductCreator > >;
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public:
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bool registerCreator(const IdentifierType& id, ProductCreator creator){
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return (m_factoryMap.insert(id,creator).value()==creator);
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}
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bool unregisterCreator(const IdentifierType& id){
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return (m_factoryMap.remove(id)==1);
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}
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ProductCreator objectCreator(const IdentifierType& id){
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if (m_factoryMap.contains(id)){
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return m_factoryMap[id];
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} else {
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return 0;
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}
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}
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const FactoryMap& map(){return m_factoryMap;}
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int mapElementCount(){return m_factoryMap.count();}
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private:
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FactoryMap m_factoryMap;
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};
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template
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<
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typename AbstractProduct,
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typename IdentifierType,
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typename ProductCreator,
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typename Attribs
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>
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class AttribAbstractFactory : public SimpleAbstractFactory< AbstractProduct,IdentifierType,ProductCreator >{
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typedef SimpleAbstractFactory< AbstractProduct,IdentifierType,ProductCreator > SimpleFactory;
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typedef QMap<IdentifierType,Attribs> AliasMap;
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friend class Singleton<AttribAbstractFactory< AbstractProduct,IdentifierType,ProductCreator,Attribs > >;
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public :
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bool registerCreator(const IdentifierType &id, Attribs attribs, ProductCreator creator){
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return SimpleFactory::registerCreator(id,creator) && (m_attribsMap.insert(id,attribs).value()==attribs);
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}
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bool unregisterCreator(const IdentifierType &id){
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return SimpleFactory::unregisterCreator(id)&&(m_attribsMap.remove(id)==1);
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}
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QString attribs(const IdentifierType& id){
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if (m_attribsMap.contains(id)){
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return m_attribsMap.value(id);
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} else return "";
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}
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const AliasMap& attribsMap(){return m_attribsMap;}
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private:
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AliasMap m_attribsMap;
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};
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}
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#endif //LRSIMPLEABSTRACTFACTORY_H
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