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QxOrm
1.3.2
C++ Object Relational Mapping library
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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 #include <boost/serialization/serialization.hpp> 00047 #include <boost/serialization/split_free.hpp> 00048 #include <boost/serialization/version.hpp> 00049 #include <boost/serialization/nvp.hpp> 00050 00051 #include <QtSql/qsqlquery.h> 00052 00053 #include <QxDao/QxSqlGenerator/IxSqlGenerator.h> 00054 00055 #include <QxSerialize/Qt/QxSerialize_QList.h> 00056 #include <QxSerialize/Qt/QxSerialize_QStringList.h> 00057 #include <QxSerialize/Qt/QxSerialize_QVariant.h> 00058 00059 namespace qx { 00060 namespace dao { 00061 namespace detail { 00062 00067 class QX_DLL_EXPORT IxSqlElement 00068 { 00069 00070 public: 00071 00072 enum type_class { _no_type, _sql_compare, _sql_element_temp, _sql_expression, _sql_free_text, 00073 _sql_in, _sql_is_between, _sql_is_null, _sql_limit, _sql_sort }; 00074 00075 protected: 00076 00077 int m_iIndex; 00078 QStringList m_lstColumns; 00079 QStringList m_lstKeys; 00080 QList<QVariant> m_lstValues; 00081 IxSqlGenerator * m_pSqlGenerator; 00082 00083 public: 00084 00085 IxSqlElement(int index); 00086 virtual ~IxSqlElement(); 00087 00088 void setColumn(const QString & column); 00089 void setColumns(const QStringList & columns); 00090 void setValue(const QVariant & val); 00091 void setValues(const QVariantList & values); 00092 00093 virtual IxSqlElement::type_class getTypeClass() const = 0; 00094 00095 virtual QString toString() const = 0; 00096 virtual void resolve(QSqlQuery & query) const = 0; 00097 virtual void postProcess(QString & sql) const = 0; 00098 00099 virtual void clone(IxSqlElement * other); 00100 00101 template <class Archive> 00102 void qxSave(Archive & ar) const 00103 { 00104 QString sExtraSettings = getExtraSettings(); 00105 ar << boost::serialization::make_nvp("index", m_iIndex); 00106 ar << boost::serialization::make_nvp("list_columns", m_lstColumns); 00107 ar << boost::serialization::make_nvp("list_keys", m_lstKeys); 00108 ar << boost::serialization::make_nvp("list_values", m_lstValues); 00109 ar << boost::serialization::make_nvp("extra_settings", sExtraSettings); 00110 } 00111 00112 template <class Archive> 00113 void qxLoad(Archive & ar) 00114 { 00115 QString sExtraSettings; 00116 ar >> boost::serialization::make_nvp("index", m_iIndex); 00117 ar >> boost::serialization::make_nvp("list_columns", m_lstColumns); 00118 ar >> boost::serialization::make_nvp("list_keys", m_lstKeys); 00119 ar >> boost::serialization::make_nvp("list_values", m_lstValues); 00120 ar >> boost::serialization::make_nvp("extra_settings", sExtraSettings); 00121 setExtraSettings(sExtraSettings); 00122 } 00123 00124 protected: 00125 00126 void updateKeys(); 00127 00128 virtual QString getExtraSettings() const = 0; 00129 virtual void setExtraSettings(const QString & s) = 0; 00130 00131 }; 00132 00133 typedef boost::shared_ptr<IxSqlElement> IxSqlElement_ptr; 00134 00135 } // namespace detail 00136 } // namespace dao 00137 } // namespace qx 00138 00139 #endif // _IX_SQL_ELEMENT_H_