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QxClassX.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_CLASS_X_H_
    00027 #define _QX_CLASS_X_H_
    00028
    00029 #ifdef _MSC_VER
    00030 #pragma once
    00031 #endif
    00032
    00040 #include <boost/mpl/if.hpp>
    00041 #include <boost/mpl/or.hpp>
    00042 #include <boost/mpl/logical.hpp>
    00043 #include <boost/type_traits/is_pointer.hpp>
    00044
    00045 #include <QxCommon/QxBool.h>
    00046
    00047 #include <QxRegister/IxClass.h>
    00048
    00049 #include <QxSingleton/QxSingleton.h>
    00050
    00051 #include <QxCollection/QxCollection.h>
    00052
    00053 #include <QxTraits/is_smart_ptr.h>
    00054 #include <QxTraits/get_sql_type.h>
    00055
    00056 namespace qx {
    00057
    00062 class QX_DLL_EXPORT QxClassX : public QxSingleton<QxClassX>
    00063 {
    00064
    00065    friend class QxSingleton<QxClassX>;
    00066    friend class IxClass;
    00067
    00068 public:
    00069
    00070    typedef IxFunction::type_any_params type_any_params;
    00071
    00072 protected:
    00073
    00074    QxCollection<QString, IxClass *> m_lstClass;
    00075    QHash<QString, QString> m_lstSqlTypeByClassName;
    00076
    00077 private:
    00078
    00079    QxClassX() : QxSingleton<QxClassX>("qx::QxClassX") { this->initSqlTypeByClassName(); }
    00080    virtual ~QxClassX() { ; }
    00081
    00082    QxCollection<QString, IxClass *> * getAll();
    00083    IxClass * get(const QString & sKey) const;
    00084    bool exist(const QString & sKey) const;
    00085    bool insert(const QString & sKey, IxClass * pClass);
    00086    bool remove(const QString & sKey);
    00087    void clear();
    00088    void initSqlTypeByClassName();
    00089
    00090 public:
    00091
    00092    static boost::any create(const QString & sKey);
    00093    static IxClass * getClass(const QString & sKey);
    00094    static IxDataMemberX * getDataMemberX(const QString & sKey);
    00095    static IxFunctionX * getFctMemberX(const QString & sKey);
    00096    static IxDataMember * getDataMember(const QString & sClassKey, const QString & sDataKey, bool bRecursive = true);
    00097    static IxFunction * getFctMember(const QString & sClassKey, const QString & sFctKey, bool bRecursive = true);
    00098
    00099    static QxCollection<QString, IxClass *> * getAllClasses();
    00100    static void registerAllClasses();
    00101    static QString dumpAllClasses();
    00102    static QString dumpSqlSchema();
    00103
    00104    static QHash<QString, QString> * getAllSqlTypeByClassName()       { return (& QxClassX::getSingleton()->m_lstSqlTypeByClassName); }
    00105    static QString getSqlTypeByClassName(const QString & sClassName)  { return (QxClassX::getAllSqlTypeByClassName()->value(sClassName)); }
    00106
    00107    template <class U>
    00108    static inline qx_bool invoke(const QString & sClassKey, const QString & sFctKey, U & pOwner, const QString & params = QString(), boost::any * ret = NULL)
    00109    {
    00110       typedef typename boost::mpl::if_c< boost::is_pointer<U>::value, QxClassX::invoke_ptr<U>, QxClassX::invoke_default<U> >::type type_invoke_1;
    00111       typedef typename boost::mpl::if_c< qx::trait::is_smart_ptr<U>::value, QxClassX::invoke_ptr<U>, type_invoke_1 >::type type_invoke_2;
    00112       return type_invoke_2::invoke(sClassKey, sFctKey, pOwner, params, ret);
    00113    }
    00114
    00115    template <class U>
    00116    static inline qx_bool invoke(const QString & sClassKey, const QString & sFctKey, U & pOwner, const type_any_params & params, boost::any * ret = NULL)
    00117    {
    00118       typedef typename boost::mpl::if_c< boost::is_pointer<U>::value, QxClassX::invoke_ptr<U>, QxClassX::invoke_default<U> >::type type_invoke_1;
    00119       typedef typename boost::mpl::if_c< qx::trait::is_smart_ptr<U>::value, QxClassX::invoke_ptr<U>, type_invoke_1 >::type type_invoke_2;
    00120       return type_invoke_2::invoke(sClassKey, sFctKey, pOwner, params, ret);
    00121    }
    00122
    00123 private:
    00124
    00125    template <class U>
    00126    struct invoke_ptr
    00127    {
    00128       static inline qx_bool invoke(const QString & sClassKey, const QString & sFctKey, U & pOwner, const QString & params = QString(), boost::any * ret = NULL)
    00129       { return QxClassX::invokeVoidPtr(sClassKey, sFctKey, static_cast<void *>(& (* pOwner)), params, ret); }
    00130       static inline qx_bool invoke(const QString & sClassKey, const QString & sFctKey, U & pOwner, const type_any_params & params, boost::any * ret = NULL)
    00131       { return QxClassX::invokeVoidPtr(sClassKey, sFctKey, static_cast<void *>(& (* pOwner)), params, ret); }
    00132    };
    00133
    00134    template <class U>
    00135    struct invoke_default
    00136    {
    00137       static inline qx_bool invoke(const QString & sClassKey, const QString & sFctKey, U & pOwner, const QString & params = QString(), boost::any * ret = NULL)
    00138       { return QxClassX::invokeVoidPtr(sClassKey, sFctKey, static_cast<void *>(& pOwner), params, ret); }
    00139       static inline qx_bool invoke(const QString & sClassKey, const QString & sFctKey, U & pOwner, const type_any_params & params, boost::any * ret = NULL)
    00140       { return QxClassX::invokeVoidPtr(sClassKey, sFctKey, static_cast<void *>(& pOwner), params, ret); }
    00141    };
    00142
    00143    static qx_bool invokeVoidPtr(const QString & sClassKey, const QString & sFctKey, void * pOwner, const QString & params = QString(), boost::any * ret = NULL);
    00144    static qx_bool invokeVoidPtr(const QString & sClassKey, const QString & sFctKey, void * pOwner, const type_any_params & params, boost::any * ret = NULL);
    00145
    00146    static bool isValid_DataMember(IxDataMember * p);
    00147    static bool isValid_SqlRelation(IxDataMember * p);
    00148
    00149 };
    00150
    00151 } // namespace qx
    00152
    00153 QX_DLL_EXPORT_QX_SINGLETON_HPP(qx::QxClassX)
    00154
    00155 #endif // _QX_CLASS_X_H_

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