QxOrm  1.4.8
C++ Object Relational Mapping library
QxSqlRelationLinked.h
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00001 /****************************************************************************
00002 **
00003 ** https://www.qxorm.com/
00004 ** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
00005 **
00006 ** This file is part of the QxOrm library
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00018 ** GNU General Public License Usage
00019 ** Alternatively, this file may be used under the terms of the GNU
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00031 
00032 #ifndef _QX_SQL_RELATION_LINKED_H_
00033 #define _QX_SQL_RELATION_LINKED_H_
00034 
00035 #ifdef _MSC_VER
00036 #pragma once
00037 #endif
00038 
00046 #include <QtSql/qsqlerror.h>
00047 
00048 #include <QxCommon/QxBool.h>
00049 
00050 #include <QxDao/IxSqlRelation.h>
00051 
00052 #include <QxCollection/QxCollection.h>
00053 
00054 namespace qx {
00055 namespace dao {
00056 namespace detail {
00057 
00058 class IxDao_Helper;
00059 
00060 } // namespace detail
00061 } // namespace dao
00062 } // namespace qx
00063 
00064 namespace qx {
00065 
00066 class IxClass;
00067 
00094 class QX_DLL_EXPORT QxSqlRelationLinked
00095 {
00096 
00097 public:
00098 
00099    typedef std::shared_ptr<QxSqlRelationLinked> type_ptr;
00100    typedef std::tuple<qx::dao::sql_join::join_type, IxSqlRelation *, QPair<QSet<QString>, long>, QString> type_relation;
00101    typedef qx::QxCollection<QString, type_relation> type_lst_relation;
00102    typedef QHash<QString, type_ptr> type_lst_relation_linked;
00103 
00104 private:
00105 
00106    struct QxSqlRelationLinkedImpl;
00107    std::unique_ptr<QxSqlRelationLinkedImpl> m_pImpl; 
00108 
00109 public:
00110 
00111    QxSqlRelationLinked();
00112    QxSqlRelationLinked(bool bRoot);
00113    virtual ~QxSqlRelationLinked();
00114 
00115    static type_ptr getHierarchy(IxClass * pClass, const QStringList & sRelationX, qx_bool & bOk, qx::dao::detail::IxDao_Helper * pDaoHelper = NULL);
00116 
00117    void hierarchySelect(QxSqlRelationParams & params);
00118    void hierarchyFrom(QxSqlRelationParams & params);
00119    void hierarchyJoin(QxSqlRelationParams & params);
00120    void hierarchyWhereSoftDelete(QxSqlRelationParams & params);
00121    void hierarchyResolveOutput(QxSqlRelationParams & params);
00122    QSqlError hierarchyOnBeforeSave(QxSqlRelationParams & params);
00123    QSqlError hierarchyOnAfterSave(QxSqlRelationParams & params);
00124    void updateOffset(QxSqlRelationParams & params);
00125 
00126    bool getCartesianProduct() const;
00127    long getAllRelationCount() const;
00128    long getRelationCount() const;
00129    bool existRelation(const QString & sKey) const;
00130    type_lst_relation_linked getRelationLinkedX() const;
00131    type_lst_relation getRelationX() const;
00132 
00133    bool isRoot() const;
00134    bool checkRootColumns(const QString & s) const;
00135    long getRootColumnsCount() const;
00136    long getRootColumnsOffset() const;
00137    void setRootColumnsOffset(long l);
00138    QString getRootCustomAlias() const;
00139 
00140 protected:
00141 
00142    bool isValidDaoHelper(QxSqlRelationParams & params) const;
00143 
00144 };
00145 
00146 typedef std::shared_ptr<QxSqlRelationLinked> QxSqlRelationLinked_ptr;
00147 
00148 } // namespace qx
00149 
00150 #endif // _QX_SQL_RELATION_LINKED_H_