QxOrm  1.4.4
C++ Object Relational Mapping library
QxSqlRelationLinked.h
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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
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00018 ** GNU General Public License Usage
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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 
00082 class QX_DLL_EXPORT QxSqlRelationLinked
00083 {
00084 
00085 private:
00086 
00087    struct QxSqlRelationLinkedImpl;
00088    std::unique_ptr<QxSqlRelationLinkedImpl> m_pImpl; 
00089 
00090 public:
00091 
00092    QxSqlRelationLinked();
00093    QxSqlRelationLinked(bool bRoot);
00094    virtual ~QxSqlRelationLinked();
00095 
00096    qx_bool buildHierarchy(IxSqlRelationX * pRelationX, const QStringList & sRelationX);
00097 
00098    void hierarchySelect(QxSqlRelationParams & params);
00099    void hierarchyFrom(QxSqlRelationParams & params);
00100    void hierarchyJoin(QxSqlRelationParams & params);
00101    void hierarchyWhereSoftDelete(QxSqlRelationParams & params);
00102    void hierarchyResolveOutput(QxSqlRelationParams & params);
00103    QSqlError hierarchyOnBeforeSave(QxSqlRelationParams & params);
00104    QSqlError hierarchyOnAfterSave(QxSqlRelationParams & params);
00105    void updateOffset(QxSqlRelationParams & params);
00106 
00107    bool getCartesianProduct() const;
00108    long getAllRelationCount() const;
00109    long getRelationCount() const;
00110    bool existRelation(const QString & sKey) const;
00111 
00112    bool checkRootColumns(const QString & s) const;
00113    long getRootColumnsCount() const;
00114    long getRootColumnsOffset() const;
00115    void setRootColumnsOffset(long l);
00116 
00117 protected:
00118 
00119    QStringList removeColumns(const QStringList & columnsToRemove, IxSqlRelation * pRelation) const;
00120    qx_bool insertRelationToHierarchy(const QStringList & sRelationX, const QString & sKey, qx::dao::sql_join::join_type eJoinType);
00121    bool isValidDaoHelper(QxSqlRelationParams & params) const;
00122 
00123 };
00124 
00125 typedef std::shared_ptr<QxSqlRelationLinked> QxSqlRelationLinked_ptr;
00126 
00127 } // namespace qx
00128 
00129 #endif // _QX_SQL_RELATION_LINKED_H_