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164 lines
7.0 KiB
164 lines
7.0 KiB
/****************************************************************************
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**
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** https://www.qxorm.com/
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** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
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**
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** This file is part of the QxOrm library
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any
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** damages arising from the use of this software
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**
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** Commercial Usage
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** Licensees holding valid commercial QxOrm licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Lionel Marty
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file 'license.gpl3.txt' included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met : http://www.gnu.org/copyleft/gpl.html
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**
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** If you are unsure which license is appropriate for your use, or
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** if you have questions regarding the use of this file, please contact :
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** contact@qxorm.com
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**
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****************************************************************************/
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#ifndef _QX_FACTORY_H_
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#define _QX_FACTORY_H_
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#ifdef _MSC_VER
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#pragma once
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#endif
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/*!
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* \file QxFactory.h
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* \author Lionel Marty
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* \ingroup QxFactory
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* \brief Concrete factory class to create object dynamically using the class name
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*/
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#include <QtCore/qobject.h>
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#include <QxFactory/IxFactory.h>
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#include <QxTraits/get_base_class.h>
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#include <QxTraits/get_class_name.h>
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#include <QxTraits/get_primary_key.h>
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#define QX_STR_CANNOT_INSTANTIATE_ABSTRACT_CLASS "[QxOrm] qx::QxFactory<T> ---> cannot instantiate abstract class '%s'"
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#if _QX_AUTO_REGISTER_REPOSITORY
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#define QX_AUTO_REGISTER_REPOSITORY(className, sKey) qx::register_repository< className >(sKey);
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#else // _QX_AUTO_REGISTER_REPOSITORY
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#define QX_AUTO_REGISTER_REPOSITORY(className, sKey) /* Nothing */
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#endif // _QX_AUTO_REGISTER_REPOSITORY
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namespace qx {
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class IxPersistable;
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template <class T> class QxClass;
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#ifdef _QX_ENABLE_QT_NETWORK
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namespace service {
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class IxService;
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class IxParameter;
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} // namespace service
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#endif // _QX_ENABLE_QT_NETWORK
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#if _QX_AUTO_REGISTER_REPOSITORY
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template <class T>
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inline void register_repository(const QString & sKey);
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#endif // _QX_AUTO_REGISTER_REPOSITORY
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/*!
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* \ingroup QxFactory
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* \brief qx::QxFactory<T> : concrete factory class to create object of type T dynamically using the class name
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*/
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template <class T>
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class QxFactory : public IxFactory
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{
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public:
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QxFactory(const QString & sKey) : IxFactory(sKey) { QX_AUTO_REGISTER_REPOSITORY(T, sKey); }
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virtual ~QxFactory() { ; }
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#ifdef _QX_ENABLE_QT_NETWORK
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virtual qx::any createObject(bool bRawPointer = false) const
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{ QxClass<T>::getSingleton(); return qxCreateInstance<std::is_abstract<T>::value, std::is_base_of<qx::IxPersistable, T>::value, std::is_base_of<qx::service::IxService, T>::value, std::is_base_of<qx::service::IxParameter, T>::value, std::is_base_of<QObject, T>::value, 0>::create(bRawPointer); }
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virtual void * createObjectNudePtr() const
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{ QxClass<T>::getSingleton(); return qxCreateInstance<std::is_abstract<T>::value, std::is_base_of<qx::IxPersistable, T>::value, std::is_base_of<qx::service::IxService, T>::value, std::is_base_of<qx::service::IxParameter, T>::value, std::is_base_of<QObject, T>::value, 0>::createNudePtr(); }
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#else // _QX_ENABLE_QT_NETWORK
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virtual qx::any createObject(bool bRawPointer = false) const
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{ QxClass<T>::getSingleton(); return qxCreateInstance<std::is_abstract<T>::value, std::is_base_of<qx::IxPersistable, T>::value, false, false, std::is_base_of<QObject, T>::value, 0>::create(bRawPointer); }
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virtual void * createObjectNudePtr() const
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{ QxClass<T>::getSingleton(); return qxCreateInstance<std::is_abstract<T>::value, std::is_base_of<qx::IxPersistable, T>::value, false, false, std::is_base_of<QObject, T>::value, 0>::createNudePtr(); }
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#endif // _QX_ENABLE_QT_NETWORK
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#ifndef _QX_NO_RTTI
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virtual const std::type_info & typeInfo() const
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{ return typeid(T); }
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#endif // _QX_NO_RTTI
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private:
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template <bool bIsAbstract /* = false */, bool bIsIxPersistable /* = false */, bool bIsIxService /* = false */, bool bIsIxParameter /* = false */, bool bIsQObject /* = false */, int dummy>
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struct qxCreateInstance
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{
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static inline qx::any create(bool bRawPointer) { if (bRawPointer) { T * p = new T(); return qx::any(p); }; std::shared_ptr<T> ptr = std::make_shared<T>(); return qx::any(ptr); }
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static inline void * createNudePtr() { return static_cast<void *>(new T()); }
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};
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template <bool bIsIxPersistable, bool bIsIxService, bool bIsIxParameter, bool bIsQObject, int dummy>
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struct qxCreateInstance<true, bIsIxPersistable, bIsIxService, bIsIxParameter, bIsQObject, dummy>
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{
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static inline qx::any create(bool bRawPointer) { Q_UNUSED(bRawPointer); qDebug(QX_STR_CANNOT_INSTANTIATE_ABSTRACT_CLASS, qx::trait::get_class_name<T>::get()); return qx::any(); }
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static inline void * createNudePtr() { qDebug(QX_STR_CANNOT_INSTANTIATE_ABSTRACT_CLASS, qx::trait::get_class_name<T>::get()); return NULL; }
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};
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template <bool bIsQObject, int dummy>
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struct qxCreateInstance<false, true, false, false, bIsQObject, dummy>
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{
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static inline qx::any create(bool bRawPointer) { if (bRawPointer) { T * p = new T(); return qx::any(p); }; std::shared_ptr<T> ptr = std::make_shared<T>(); return qx::any(ptr); }
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static inline void * createNudePtr() { return static_cast<qx::IxPersistable *>(new T()); }
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};
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#ifdef _QX_ENABLE_QT_NETWORK
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template <bool bIsQObject, int dummy>
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struct qxCreateInstance<false, false, true, false, bIsQObject, dummy>
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{
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static inline qx::any create(bool bRawPointer) { if (bRawPointer) { T * p = new T(); return qx::any(p); }; std::shared_ptr<T> ptr = std::make_shared<T>(); return qx::any(ptr); }
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static inline void * createNudePtr() { return static_cast<qx::service::IxService *>(new T()); }
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};
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template <bool bIsQObject, int dummy>
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struct qxCreateInstance<false, false, false, true, bIsQObject, dummy>
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{
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static inline qx::any create(bool bRawPointer) { if (bRawPointer) { T * p = new T(); return qx::any(p); }; std::shared_ptr<T> ptr = std::make_shared<T>(); return qx::any(ptr); }
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static inline void * createNudePtr() { return static_cast<qx::service::IxParameter *>(new T()); }
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};
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#endif // _QX_ENABLE_QT_NETWORK
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template <int dummy>
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struct qxCreateInstance<false, false, false, false, true, dummy>
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{
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static inline qx::any create(bool bRawPointer) { if (bRawPointer) { T * p = new T(); return qx::any(p); }; std::shared_ptr<T> ptr = std::make_shared<T>(); return qx::any(ptr); }
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static inline void * createNudePtr() { return static_cast<QObject *>(new T()); }
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};
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};
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} // namespace qx
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#include "../../inl/QxFactory/QxFactory.inl"
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#endif // _QX_FACTORY_H_
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