QxSqlRelationLinked.h

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/****************************************************************************
**
** http://www.qxorm.com/
** http://sourceforge.net/projects/qxorm/
** Original file by Lionel Marty
**
** This file is part of the QxOrm library
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** warranty. In no event will the authors be held liable for any
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** packaging of this file.  Please review the following information to
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#ifndef _QX_SQL_RELATION_LINKED_H_
#define _QX_SQL_RELATION_LINKED_H_

#ifdef _MSC_VER
#pragma once
#endif

#include <boost/tuple/tuple.hpp>
#include <boost/tuple/tuple_comparison.hpp>
#include <boost/tuple/tuple_io.hpp>

#include <QtSql/qsqlerror.h>

#include <QxCommon/QxBool.h>

#include <QxDao/IxSqlRelation.h>

#include <QxCollection/QxCollection.h>

namespace qx {

class QX_DLL_EXPORT QxSqlRelationLinked
{

protected:

   typedef boost::shared_ptr<QxSqlRelationLinked> type_ptr;
   typedef boost::tuple<qx::dao::sql_join::join_type, IxSqlRelation *> type_relation;
   typedef qx::QxCollection<QString, type_relation> type_lst_relation;
   typedef QHash<QString, type_ptr> type_lst_relation_linked;

   type_lst_relation m_relationX;               
   type_lst_relation_linked m_relationLinkedX;  
   IxSqlRelationX * m_allRelationX;             
   bool m_bRoot;                                

public:

   QxSqlRelationLinked();
   QxSqlRelationLinked(bool bRoot);
   virtual ~QxSqlRelationLinked();

   qx_bool buildHierarchy(IxSqlRelationX * pRelationX, const QStringList & sRelationX);

   void hierarchySelect(QxSqlRelationParams & params);
   void hierarchyFrom(QxSqlRelationParams & params);
   void hierarchyJoin(QxSqlRelationParams & params);
   void hierarchyWhereSoftDelete(QxSqlRelationParams & params);
   void hierarchyResolveOutput(QxSqlRelationParams & params);
   QSqlError hierarchyOnBeforeSave(QxSqlRelationParams & params);
   QSqlError hierarchyOnAfterSave(QxSqlRelationParams & params);

   bool getCartesianProduct() const;
   long getAllRelationCount() const;
   long getRelationCount() const;

protected:

   qx_bool insertRelationToHierarchy(const QStringList & sRelationX, const QString & sKey, qx::dao::sql_join::join_type eJoinType);

};

typedef boost::shared_ptr<QxSqlRelationLinked> QxSqlRelationLinked_ptr;

} // namespace qx

#endif // _QX_SQL_RELATION_LINKED_H_