QxOrm  1.4.6
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 
00056 class IxClass;
00057 
00084 class QX_DLL_EXPORT QxSqlRelationLinked
00085 {
00086 
00087 public:
00088 
00089    typedef std::shared_ptr<QxSqlRelationLinked> type_ptr;
00090    typedef std::tuple<qx::dao::sql_join::join_type, IxSqlRelation *, QPair<QSet<QString>, long>, QString> type_relation;
00091    typedef qx::QxCollection<QString, type_relation> type_lst_relation;
00092    typedef QHash<QString, type_ptr> type_lst_relation_linked;
00093 
00094 private:
00095 
00096    struct QxSqlRelationLinkedImpl;
00097    std::unique_ptr<QxSqlRelationLinkedImpl> m_pImpl; 
00098 
00099 public:
00100 
00101    QxSqlRelationLinked();
00102    QxSqlRelationLinked(bool bRoot);
00103    virtual ~QxSqlRelationLinked();
00104 
00105    static type_ptr getHierarchy(IxClass * pClass, const QStringList & sRelationX, qx_bool & bOk);
00106 
00107    void hierarchySelect(QxSqlRelationParams & params);
00108    void hierarchyFrom(QxSqlRelationParams & params);
00109    void hierarchyJoin(QxSqlRelationParams & params);
00110    void hierarchyWhereSoftDelete(QxSqlRelationParams & params);
00111    void hierarchyResolveOutput(QxSqlRelationParams & params);
00112    QSqlError hierarchyOnBeforeSave(QxSqlRelationParams & params);
00113    QSqlError hierarchyOnAfterSave(QxSqlRelationParams & params);
00114    void updateOffset(QxSqlRelationParams & params);
00115 
00116    bool getCartesianProduct() const;
00117    long getAllRelationCount() const;
00118    long getRelationCount() const;
00119    bool existRelation(const QString & sKey) const;
00120    type_lst_relation_linked getRelationLinkedX() const;
00121    type_lst_relation getRelationX() const;
00122 
00123    bool isRoot() const;
00124    bool checkRootColumns(const QString & s) const;
00125    long getRootColumnsCount() const;
00126    long getRootColumnsOffset() const;
00127    void setRootColumnsOffset(long l);
00128    QString getRootCustomAlias() const;
00129 
00130 protected:
00131 
00132    bool isValidDaoHelper(QxSqlRelationParams & params) const;
00133 
00134 };
00135 
00136 typedef std::shared_ptr<QxSqlRelationLinked> QxSqlRelationLinked_ptr;
00137 
00138 } // namespace qx
00139 
00140 #endif // _QX_SQL_RELATION_LINKED_H_