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QxDataMemberX.h
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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 #include <QxDataMember/QxDataMember_QObject.h>
    00046
    00047 #include <QxDao/QxSqlRelation.h>
    00048
    00049 #include <QxSingleton/QxSingleton.h>
    00050
    00051 #include <QxFactory/QxFactory.h>
    00052
    00053 #include <QxTraits/get_base_class.h>
    00054 #include <QxTraits/get_primary_key.h>
    00055 #include <QxTraits/get_sql_type.h>
    00056 #include <QxTraits/qt_meta_object.h>
    00057
    00058 namespace qx {
    00059
    00064 template <class T>
    00065 class QxDataMemberX : public IxDataMemberX, public QxSingleton< QxDataMemberX<T> >
    00066 {
    00067
    00068    friend class QxSingleton< QxDataMemberX<T> >;
    00069
    00070 public:
    00071
    00072    typedef typename qx::trait::get_primary_key<T>::type type_primary_key;
    00073    typedef typename qx::trait::get_base_class<T>::type type_base_class;
    00074
    00075 protected:
    00076
    00077    IxDataMember * m_pDataMemberId;
    00078
    00079 protected:
    00080
    00081    QxDataMemberX() : IxDataMemberX(), QxSingleton< QxDataMemberX<T> >(QString("qx::QxDataMemberX_") + qx::trait::get_class_name<T>::get_xml_tag()), m_pDataMemberId(NULL) { ; }
    00082    virtual ~QxDataMemberX() { ; }
    00083
    00084 public:
    00085
    00086    virtual IxDataMember * getId() const { return m_pDataMemberId; }
    00087
    00088    virtual long count_WithDaoStrategy() const                              { return count_WithDaoStrategy_Helper(); }
    00089    virtual bool exist_WithDaoStrategy(const QString & sKey) const          { return exist_WithDaoStrategy_Helper(sKey); }
    00090    virtual IxDataMember * get_WithDaoStrategy(long lIndex) const           { return get_WithDaoStrategy_Helper(lIndex); }
    00091    virtual IxDataMember * get_WithDaoStrategy(const QString & sKey) const  { return get_WithDaoStrategy_Helper(sKey); }
    00092    virtual IxDataMember * getId_WithDaoStrategy() const                    { return getId_WithDaoStrategy_Helper(); }
    00093
    00094    IxDataMember * id(type_primary_key T::* pDataMemberId, const QString & sKey);
    00095    IxDataMember * id(type_primary_key T::* pDataMemberId, const QString & sKey, long lVersion);
    00096    IxDataMember * id(const QString & sKey, long lVersion);
    00097    IxDataMember * add(const QString & sKey, long lVersion);
    00098
    00099    template <typename V, typename U> IxDataMember * add(V U::* pData, const QString & sKey);
    00100    template <typename V, typename U> IxDataMember * add(V U::* pData, const QString & sKey, long lVersion);
    00101    template <typename V, typename U> IxDataMember * add(V U::* pData, const QString & sKey, long lVersion, bool bSerialize);
    00102    template <typename V, typename U> IxDataMember * add(V U::* pData, const QString & sKey, long lVersion, bool bSerialize, bool bDao);
    00103
    00104    template <typename V, typename U> IxSqlRelation * relationOneToOne(V U::* pData, const QString & sKey);
    00105    template <typename V, typename U> IxSqlRelation * relationOneToOne(V U::* pData, const QString & sKey, long lVersion);
    00106    template <typename V, typename U> IxSqlRelation * relationManyToOne(V U::* pData, const QString & sKey);
    00107    template <typename V, typename U> IxSqlRelation * relationManyToOne(V U::* pData, const QString & sKey, long lVersion);
    00108    template <typename V, typename U> IxSqlRelation * relationOneToMany(V U::* pData, const QString & sKey, const QString & sForeignKey);
    00109    template <typename V, typename U> IxSqlRelation * relationOneToMany(V U::* pData, const QString & sKey, const QString & sForeignKey, long lVersion);
    00110    template <typename V, typename U> IxSqlRelation * relationManyToMany(V U::* pData, const QString & sKey, const QString & sExtraTable, const QString & sForeignKeyOwner, const QString & sForeignKeyDataType);
    00111    template <typename V, typename U> IxSqlRelation * relationManyToMany(V U::* pData, const QString & sKey, const QString & sExtraTable, const QString & sForeignKeyOwner, const QString & sForeignKeyDataType, long lVersion);
    00112
    00113    template <class Archive> inline void toArchive(const T * pOwner, Archive & ar, const unsigned int file_version) const;
    00114    template <class Archive> inline void fromArchive(T * pOwner, Archive & ar, const unsigned int file_version);
    00115
    00116 private:
    00117
    00118    IxDataMember * initId(IxDataMember * pId, long lVersion);
    00119    IxDataMember * initData(IxDataMember * pData, long lVersion);
    00120
    00121    inline IxDataMemberX * getBaseClass_Helper() const { return QxDataMemberX<type_base_class>::getSingleton(); }
    00122
    00123    long count_WithDaoStrategy_Helper() const
    00124    {
    00125       if (getDaoStrategy() == qx::dao::strategy::single_table_inheritance)
    00126       { return ((getBaseClass_Helper()->getDaoStrategy() != getDaoStrategy()) ? count() : getBaseClass_Helper()->count_WithDaoStrategy()); }
    00127       else if (getDaoStrategy() == qx::dao::strategy::class_table_inheritance)
    00128       { return (count() + ((! m_pDataMemberId && getId_WithDaoStrategy()) ? 1 : 0)); }
    00129       else if (getDaoStrategy() == qx::dao::strategy::concrete_table_inheritance)
    00130       { return (count() + getBaseClass_Helper()->count_WithDaoStrategy()); }
    00131       qAssert(false); return 0;
    00132    }
    00133
    00134    bool exist_WithDaoStrategy_Helper(const QString & sKey) const
    00135    {
    00136       if (getDaoStrategy() == qx::dao::strategy::single_table_inheritance)
    00137       { return ((getBaseClass_Helper()->getDaoStrategy() != getDaoStrategy()) ? exist(sKey) : getBaseClass_Helper()->exist_WithDaoStrategy(sKey)); }
    00138       else if (getDaoStrategy() == qx::dao::strategy::class_table_inheritance)
    00139       { return (exist(sKey) || (getId_WithDaoStrategy() ? (getId_WithDaoStrategy()->getKey() == sKey) : false)); }
    00140       else if (getDaoStrategy() == qx::dao::strategy::concrete_table_inheritance)
    00141       { return (exist(sKey) || getBaseClass_Helper()->exist_WithDaoStrategy(sKey)); }
    00142       qAssert(false); return false;
    00143    }
    00144
    00145    IxDataMember * get_WithDaoStrategy_Helper(long lIndex) const
    00146    {
    00147       if (getDaoStrategy() == qx::dao::strategy::single_table_inheritance)
    00148       { return ((getBaseClass_Helper()->getDaoStrategy() != getDaoStrategy()) ? get(lIndex) : getBaseClass_Helper()->get_WithDaoStrategy(lIndex)); }
    00149       else if (getDaoStrategy() == qx::dao::strategy::class_table_inheritance)
    00150       { return ((! m_pDataMemberId && (lIndex == count())) ? getId_WithDaoStrategy() : get(lIndex)); }
    00151       else if (getDaoStrategy() == qx::dao::strategy::concrete_table_inheritance)
    00152       { return (((lIndex >= 0) && (lIndex < count())) ? get(lIndex) : getBaseClass_Helper()->get_WithDaoStrategy(lIndex - count())); }
    00153       qAssert(false); return NULL;
    00154    }
    00155
    00156    IxDataMember * get_WithDaoStrategy_Helper(const QString & sKey) const
    00157    {
    00158       if (getDaoStrategy() == qx::dao::strategy::single_table_inheritance)
    00159       { return ((getBaseClass_Helper()->getDaoStrategy() != getDaoStrategy()) ? get(sKey) : getBaseClass_Helper()->get_WithDaoStrategy(sKey)); }
    00160       else if (getDaoStrategy() == qx::dao::strategy::class_table_inheritance)
    00161       { return ((getId_WithDaoStrategy() && (getId_WithDaoStrategy()->getKey() == sKey)) ? getId_WithDaoStrategy() : get(sKey)); }
    00162       else if (getDaoStrategy() == qx::dao::strategy::concrete_table_inheritance)
    00163       { return (exist(sKey) ? get(sKey) : getBaseClass_Helper()->get_WithDaoStrategy(sKey)); }
    00164       qAssert(false); return NULL;
    00165    }
    00166
    00167    IxDataMember * getId_WithDaoStrategy_Helper() const
    00168    {
    00169       if (getDaoStrategy() == qx::dao::strategy::single_table_inheritance)
    00170       { return ((getBaseClass_Helper()->getDaoStrategy() != getDaoStrategy()) ? m_pDataMemberId : getBaseClass_Helper()->getId_WithDaoStrategy()); }
    00171       else if (getDaoStrategy() == qx::dao::strategy::class_table_inheritance)
    00172       { return (m_pDataMemberId ? m_pDataMemberId : getBaseClass_Helper()->getId_WithDaoStrategy()); }
    00173       else if (getDaoStrategy() == qx::dao::strategy::concrete_table_inheritance)
    00174       { return (m_pDataMemberId ? m_pDataMemberId : getBaseClass_Helper()->getId_WithDaoStrategy()); }
    00175       qAssert(false); return NULL;
    00176    }
    00177
    00178 };
    00179
    00180 } // namespace qx
    00181
    00182 #include "../../inl/QxDataMember/QxDataMemberX.inl"
    00183
    00184 #endif // _QX_DATA_MEMBER_X_H_

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