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QxOrm 1.1.8
C++ Object Relational Mapping library
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00001 /**************************************************************************** 00002 ** 00003 ** http://www.qxorm.com/ 00004 ** http://sourceforge.net/projects/qxorm/ 00005 ** Original file by Lionel Marty 00006 ** 00007 ** This file is part of the QxOrm library 00008 ** 00009 ** This software is provided 'as-is', without any express or implied 00010 ** warranty. In no event will the authors be held liable for any 00011 ** damages arising from the use of this software. 00012 ** 00013 ** GNU Lesser General Public License Usage 00014 ** This file must be used under the terms of the GNU Lesser 00015 ** General Public License version 2.1 as published by the Free Software 00016 ** Foundation and appearing in the file 'license.lgpl.txt' included in the 00017 ** packaging of this file. Please review the following information to 00018 ** ensure the GNU Lesser General Public License version 2.1 requirements 00019 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 00020 ** 00021 ** If you have questions regarding the use of this file, please contact : 00022 ** contact@qxorm.com 00023 ** 00024 ****************************************************************************/ 00025 00026 #ifndef _QX_DATA_MEMBER_X_H_ 00027 #define _QX_DATA_MEMBER_X_H_ 00028 00029 #ifdef _MSC_VER 00030 #pragma once 00031 #endif 00032 00040 #include <boost/type_traits/is_integral.hpp> 00041 #include <boost/type_traits/is_base_of.hpp> 00042 00043 #include <QxDataMember/IxDataMemberX.h> 00044 #include <QxDataMember/QxDataMember.h> 00045 00046 #include <QxDao/QxSqlRelation.h> 00047 00048 #include <QxSingleton/QxSingleton.h> 00049 00050 #include <QxFactory/QxFactory.h> 00051 00052 #include <QxTraits/get_base_class.h> 00053 #include <QxTraits/get_primary_key.h> 00054 #include <QxTraits/get_sql_type.h> 00055 00056 namespace qx { 00057 00062 template <class T> 00063 class QxDataMemberX : public IxDataMemberX, public QxSingleton< QxDataMemberX<T> > 00064 { 00065 00066 friend class QxSingleton< QxDataMemberX<T> >; 00067 00068 public: 00069 00070 typedef typename qx::trait::get_primary_key<T>::type type_primary_key; 00071 typedef typename qx::trait::get_base_class<T>::type type_base_class; 00072 00073 protected: 00074 00075 QxDataMember<type_primary_key, T> * m_pDataMemberId; 00076 00077 protected: 00078 00079 QxDataMemberX() : IxDataMemberX(), QxSingleton< QxDataMemberX<T> >(QString("qx::QxDataMemberX_") + qx::trait::get_class_name<T>::get_xml_tag()), m_pDataMemberId(NULL) { ; } 00080 virtual ~QxDataMemberX() { ; } 00081 00082 public: 00083 00084 virtual IxDataMember * getId() const { return m_pDataMemberId; } 00085 00086 virtual long count_WithDaoStrategy() const { return count_WithDaoStrategy_Helper(); } 00087 virtual bool exist_WithDaoStrategy(const QString & sKey) const { return exist_WithDaoStrategy_Helper(sKey); } 00088 virtual IxDataMember * get_WithDaoStrategy(long lIndex) const { return get_WithDaoStrategy_Helper(lIndex); } 00089 virtual IxDataMember * get_WithDaoStrategy(const QString & sKey) const { return get_WithDaoStrategy_Helper(sKey); } 00090 virtual IxDataMember * getId_WithDaoStrategy() const { return getId_WithDaoStrategy_Helper(); } 00091 00092 IxDataMember * id(type_primary_key T::* pDataMemberId, const QString & sKey); 00093 IxDataMember * id(type_primary_key T::* pDataMemberId, const QString & sKey, long lVersion); 00094 00095 template <typename V, typename U> IxDataMember * add(V U::* pData, const QString & sKey); 00096 template <typename V, typename U> IxDataMember * add(V U::* pData, const QString & sKey, long lVersion); 00097 template <typename V, typename U> IxDataMember * add(V U::* pData, const QString & sKey, long lVersion, bool bSerialize); 00098 template <typename V, typename U> IxDataMember * add(V U::* pData, const QString & sKey, long lVersion, bool bSerialize, bool bDao); 00099 00100 template <typename V, typename U> IxSqlRelation * relationOneToOne(V U::* pData, const QString & sKey); 00101 template <typename V, typename U> IxSqlRelation * relationOneToOne(V U::* pData, const QString & sKey, long lVersion); 00102 template <typename V, typename U> IxSqlRelation * relationManyToOne(V U::* pData, const QString & sKey); 00103 template <typename V, typename U> IxSqlRelation * relationManyToOne(V U::* pData, const QString & sKey, long lVersion); 00104 template <typename V, typename U> IxSqlRelation * relationOneToMany(V U::* pData, const QString & sKey, const QString & sForeignKey); 00105 template <typename V, typename U> IxSqlRelation * relationOneToMany(V U::* pData, const QString & sKey, const QString & sForeignKey, long lVersion); 00106 template <typename V, typename U> IxSqlRelation * relationManyToMany(V U::* pData, const QString & sKey, const QString & sExtraTable, const QString & sForeignKeyOwner, const QString & sForeignKeyDataType); 00107 template <typename V, typename U> IxSqlRelation * relationManyToMany(V U::* pData, const QString & sKey, const QString & sExtraTable, const QString & sForeignKeyOwner, const QString & sForeignKeyDataType, long lVersion); 00108 00109 template <class Archive> inline void toArchive(const T * pOwner, Archive & ar, const unsigned int file_version) const; 00110 template <class Archive> inline void fromArchive(T * pOwner, Archive & ar, const unsigned int file_version); 00111 00112 private: 00113 00114 inline IxDataMemberX * getBaseClass_Helper() const { return QxDataMemberX<type_base_class>::getSingleton(); } 00115 00116 long count_WithDaoStrategy_Helper() const 00117 { 00118 if (getDaoStrategy() == qx::dao::strategy::single_table_inheritance) 00119 { return ((getBaseClass_Helper()->getDaoStrategy() != getDaoStrategy()) ? count() : getBaseClass_Helper()->count_WithDaoStrategy()); } 00120 else if (getDaoStrategy() == qx::dao::strategy::class_table_inheritance) 00121 { return (count() + ((! m_pDataMemberId && getId_WithDaoStrategy()) ? 1 : 0)); } 00122 else if (getDaoStrategy() == qx::dao::strategy::concrete_table_inheritance) 00123 { return (count() + getBaseClass_Helper()->count_WithDaoStrategy()); } 00124 qAssert(false); return 0; 00125 } 00126 00127 bool exist_WithDaoStrategy_Helper(const QString & sKey) const 00128 { 00129 if (getDaoStrategy() == qx::dao::strategy::single_table_inheritance) 00130 { return ((getBaseClass_Helper()->getDaoStrategy() != getDaoStrategy()) ? exist(sKey) : getBaseClass_Helper()->exist_WithDaoStrategy(sKey)); } 00131 else if (getDaoStrategy() == qx::dao::strategy::class_table_inheritance) 00132 { return (exist(sKey) || (getId_WithDaoStrategy() ? (getId_WithDaoStrategy()->getKey() == sKey) : false)); } 00133 else if (getDaoStrategy() == qx::dao::strategy::concrete_table_inheritance) 00134 { return (exist(sKey) || getBaseClass_Helper()->exist_WithDaoStrategy(sKey)); } 00135 qAssert(false); return false; 00136 } 00137 00138 IxDataMember * get_WithDaoStrategy_Helper(long lIndex) const 00139 { 00140 if (getDaoStrategy() == qx::dao::strategy::single_table_inheritance) 00141 { return ((getBaseClass_Helper()->getDaoStrategy() != getDaoStrategy()) ? get(lIndex) : getBaseClass_Helper()->get_WithDaoStrategy(lIndex)); } 00142 else if (getDaoStrategy() == qx::dao::strategy::class_table_inheritance) 00143 { return ((! m_pDataMemberId && (lIndex == count())) ? getId_WithDaoStrategy() : get(lIndex)); } 00144 else if (getDaoStrategy() == qx::dao::strategy::concrete_table_inheritance) 00145 { return (((lIndex >= 0) && (lIndex < count())) ? get(lIndex) : getBaseClass_Helper()->get_WithDaoStrategy(lIndex - count())); } 00146 qAssert(false); return NULL; 00147 } 00148 00149 IxDataMember * get_WithDaoStrategy_Helper(const QString & sKey) const 00150 { 00151 if (getDaoStrategy() == qx::dao::strategy::single_table_inheritance) 00152 { return ((getBaseClass_Helper()->getDaoStrategy() != getDaoStrategy()) ? get(sKey) : getBaseClass_Helper()->get_WithDaoStrategy(sKey)); } 00153 else if (getDaoStrategy() == qx::dao::strategy::class_table_inheritance) 00154 { return ((getId_WithDaoStrategy() && (getId_WithDaoStrategy()->getKey() == sKey)) ? getId_WithDaoStrategy() : get(sKey)); } 00155 else if (getDaoStrategy() == qx::dao::strategy::concrete_table_inheritance) 00156 { return (exist(sKey) ? get(sKey) : getBaseClass_Helper()->get_WithDaoStrategy(sKey)); } 00157 qAssert(false); return NULL; 00158 } 00159 00160 IxDataMember * getId_WithDaoStrategy_Helper() const 00161 { 00162 if (getDaoStrategy() == qx::dao::strategy::single_table_inheritance) 00163 { return ((getBaseClass_Helper()->getDaoStrategy() != getDaoStrategy()) ? m_pDataMemberId : getBaseClass_Helper()->getId_WithDaoStrategy()); } 00164 else if (getDaoStrategy() == qx::dao::strategy::class_table_inheritance) 00165 { return (m_pDataMemberId ? m_pDataMemberId : getBaseClass_Helper()->getId_WithDaoStrategy()); } 00166 else if (getDaoStrategy() == qx::dao::strategy::concrete_table_inheritance) 00167 { return (m_pDataMemberId ? m_pDataMemberId : getBaseClass_Helper()->getId_WithDaoStrategy()); } 00168 qAssert(false); return NULL; 00169 } 00170 00171 }; 00172 00173 } // namespace qx 00174 00175 #include "../../inl/QxDataMember/QxDataMemberX.inl" 00176 00177 #endif // _QX_DATA_MEMBER_X_H_