| QxOrm 1.4.3 C++ Object Relational Mapping library

- Main Page
- Modules
- Namespaces
- Classes
- Files
- Directories

- File List
- File Members

IxSqlElement.h
Go to the documentation of this file.

    00001 /****************************************************************************
    00002 **
    00003 ** http://www.qxorm.com/
    00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
    00005 **
    00006 ** This file is part of the QxOrm library
    00007 **
    00008 ** This software is provided 'as-is', without any express or implied
    00009 ** warranty. In no event will the authors be held liable for any
    00010 ** damages arising from the use of this software
    00011 **
    00012 ** Commercial Usage
    00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
    00014 ** accordance with the commercial license agreement provided with the
    00015 ** Software or, alternatively, in accordance with the terms contained in
    00016 ** a written agreement between you and Lionel Marty
    00017 **
    00018 ** GNU General Public License Usage
    00019 ** Alternatively, this file may be used under the terms of the GNU
    00020 ** General Public License version 3.0 as published by the Free Software
    00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the
    00022 ** packaging of this file. Please review the following information to
    00023 ** ensure the GNU General Public License version 3.0 requirements will be
    00024 ** met : http://www.gnu.org/copyleft/gpl.html
    00025 **
    00026 ** If you are unsure which license is appropriate for your use, or
    00027 ** if you have questions regarding the use of this file, please contact :
    00028 ** contact@qxorm.com
    00029 **
    00030 ****************************************************************************/
    00031
    00032 #ifndef _IX_SQL_ELEMENT_H_
    00033 #define _IX_SQL_ELEMENT_H_
    00034
    00035 #ifdef _MSC_VER
    00036 #pragma once
    00037 #endif
    00038
    00046 #ifdef _QX_ENABLE_BOOST_SERIALIZATION
    00047 #include <boost/serialization/serialization.hpp>
    00048 #include <boost/serialization/split_free.hpp>
    00049 #include <boost/serialization/version.hpp>
    00050 #include <boost/serialization/nvp.hpp>
    00051 #endif // _QX_ENABLE_BOOST_SERIALIZATION
    00052
    00053 #include <QtCore/qdatastream.h>
    00054
    00055 #ifndef _QX_NO_JSON
    00056 #include <QtCore/qjsonvalue.h>
    00057 #endif // _QX_NO_JSON
    00058
    00059 #include <QtSql/qsqlquery.h>
    00060
    00061 #include <QxDao/QxSqlGenerator/IxSqlGenerator.h>
    00062
    00063 #include <QxSerialize/Qt/QxSerialize_QList.h>
    00064 #include <QxSerialize/Qt/QxSerialize_QStringList.h>
    00065 #include <QxSerialize/Qt/QxSerialize_QVariant.h>
    00066
    00067 #include <QxConvert/QxConvert.h>
    00068
    00069 namespace qx {
    00070 namespace dao {
    00071 namespace detail {
    00072 class IxSqlElement;
    00073 } // namespace detail
    00074 } // namespace dao
    00075 } // namespace qx
    00076
    00077 QX_DLL_EXPORT QDataStream & operator<< (QDataStream & stream, const qx::dao::detail::IxSqlElement & t) BOOST_USED;
    00078 QX_DLL_EXPORT QDataStream & operator>> (QDataStream & stream, qx::dao::detail::IxSqlElement & t) BOOST_USED;
    00079
    00080 #ifndef _QX_NO_JSON
    00081 namespace qx {
    00082 namespace cvt {
    00083 namespace detail {
    00084 template <> struct QxConvert_ToJson< qx::dao::detail::IxSqlElement >;
    00085 template <> struct QxConvert_FromJson< qx::dao::detail::IxSqlElement >;
    00086 QX_DLL_EXPORT QJsonValue QxConvert_ToJson_Helper(const qx::dao::detail::IxSqlElement & t, const QString & format) BOOST_USED;
    00087 QX_DLL_EXPORT qx_bool QxConvert_FromJson_Helper(const QJsonValue & j, qx::dao::detail::IxSqlElement & t, const QString & format) BOOST_USED;
    00088 } // namespace detail
    00089 } // namespace cvt
    00090 } // namespace qx
    00091 #endif // _QX_NO_JSON
    00092
    00093 namespace qx {
    00094 namespace dao {
    00095 namespace detail {
    00096
    00101 class QX_DLL_EXPORT IxSqlElement
    00102 {
    00103
    00104    friend QDataStream & ::operator<< (QDataStream & stream, const qx::dao::detail::IxSqlElement & t);
    00105    friend QDataStream & ::operator>> (QDataStream & stream, qx::dao::detail::IxSqlElement & t);
    00106
    00107 #ifndef _QX_NO_JSON
    00108    friend struct qx::cvt::detail::QxConvert_ToJson< qx::dao::detail::IxSqlElement >;
    00109    friend struct qx::cvt::detail::QxConvert_FromJson< qx::dao::detail::IxSqlElement >;
    00110    friend QJsonValue qx::cvt::detail::QxConvert_ToJson_Helper(const qx::dao::detail::IxSqlElement & t, const QString & format);
    00111    friend qx_bool qx::cvt::detail::QxConvert_FromJson_Helper(const QJsonValue & j, qx::dao::detail::IxSqlElement & t, const QString & format);
    00112 #endif // _QX_NO_JSON
    00113
    00114 public:
    00115
    00116    enum type_class { _no_type, _sql_compare, _sql_element_temp, _sql_expression, _sql_free_text,
    00117                      _sql_in, _sql_is_between, _sql_is_null, _sql_limit, _sql_sort };
    00118
    00119 protected:
    00120
    00121    int               m_iIndex;
    00122    QStringList       m_lstColumns;
    00123    QStringList       m_lstKeys;
    00124    QList<QVariant>   m_lstValues;
    00125    IxSqlGenerator *  m_pSqlGenerator;
    00126
    00127 public:
    00128
    00129    IxSqlElement(int index);
    00130    virtual ~IxSqlElement();
    00131
    00132    void setColumn(const QString & column);
    00133    void setColumns(const QStringList & columns);
    00134    void setValue(const QVariant & val);
    00135    void setValues(const QVariantList & values);
    00136
    00137    virtual IxSqlElement::type_class getTypeClass() const = 0;
    00138
    00139    virtual QString toString() const = 0;
    00140    virtual void resolve(QSqlQuery & query) const = 0;
    00141    virtual void postProcess(QString & sql) const = 0;
    00142
    00143    virtual void clone(IxSqlElement * other);
    00144
    00145 #ifdef _QX_ENABLE_BOOST_SERIALIZATION
    00146    template <class Archive>
    00147    void qxSave(Archive & ar) const
    00148    {
    00149       QString sExtraSettings = getExtraSettings();
    00150       ar << boost::serialization::make_nvp("index", m_iIndex);
    00151       ar << boost::serialization::make_nvp("list_columns", m_lstColumns);
    00152       ar << boost::serialization::make_nvp("list_keys", m_lstKeys);
    00153       ar << boost::serialization::make_nvp("list_values", m_lstValues);
    00154       ar << boost::serialization::make_nvp("extra_settings", sExtraSettings);
    00155    }
    00156 #endif // _QX_ENABLE_BOOST_SERIALIZATION
    00157
    00158 #ifdef _QX_ENABLE_BOOST_SERIALIZATION
    00159    template <class Archive>
    00160    void qxLoad(Archive & ar)
    00161    {
    00162       QString sExtraSettings;
    00163       ar >> boost::serialization::make_nvp("index", m_iIndex);
    00164       ar >> boost::serialization::make_nvp("list_columns", m_lstColumns);
    00165       ar >> boost::serialization::make_nvp("list_keys", m_lstKeys);
    00166       ar >> boost::serialization::make_nvp("list_values", m_lstValues);
    00167       ar >> boost::serialization::make_nvp("extra_settings", sExtraSettings);
    00168       setExtraSettings(sExtraSettings);
    00169    }
    00170 #endif // _QX_ENABLE_BOOST_SERIALIZATION
    00171
    00172 protected:
    00173
    00174    void updateKeys();
    00175
    00176    virtual QString getExtraSettings() const = 0;
    00177    virtual void setExtraSettings(const QString & s) = 0;
    00178
    00179 };
    00180
    00181 typedef qx_shared_ptr<IxSqlElement> IxSqlElement_ptr;
    00182
    00183 QX_DLL_EXPORT IxSqlElement_ptr create_sql_element(IxSqlElement::type_class e) BOOST_USED;
    00184
    00185 } // namespace detail
    00186 } // namespace dao
    00187 } // namespace qx
    00188
    00189 #endif // _IX_SQL_ELEMENT_H_