QxSqlRelationLinked.h

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/****************************************************************************
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** https://www.qxorm.com/
** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
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** warranty. In no event will the authors be held liable for any
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** Foundation and appearing in the file 'license.gpl3.txt' included in the
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#ifndef _QX_SQL_RELATION_LINKED_H_
#define _QX_SQL_RELATION_LINKED_H_

#ifdef _MSC_VER
#pragma once
#endif

#include <QtSql/qsqlerror.h>

#include <QxCommon/QxBool.h>

#include <QxDao/IxSqlRelation.h>

#include <QxCollection/QxCollection.h>

namespace qx {
namespace dao {
namespace detail {

class IxDao_Helper;

} // namespace detail
} // namespace dao
} // namespace qx

namespace qx {

class IxClass;

class QX_DLL_EXPORT QxSqlRelationLinked
{

public:

   typedef std::shared_ptr<QxSqlRelationLinked> type_ptr;
   typedef std::tuple<qx::dao::sql_join::join_type, IxSqlRelation *, QPair<QSet<QString>, long>, QString, bool> type_relation;
   typedef qx::QxCollection<QString, type_relation> type_lst_relation;
   typedef QHash<QString, type_ptr> type_lst_relation_linked;

private:

   struct QxSqlRelationLinkedImpl;
   std::unique_ptr<QxSqlRelationLinkedImpl> m_pImpl; 

public:

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

   static type_ptr getHierarchy(IxClass * pClass, const QStringList & sRelationX, qx_bool & bOk, qx::dao::detail::IxDao_Helper * pDaoHelper = NULL);

   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);
   void updateOffset(QxSqlRelationParams & params);

   bool getCartesianProduct() const;
   long getAllRelationCount() const;
   long getRelationCount() const;
   bool existRelation(const QString & sKey) const;
   type_lst_relation_linked getRelationLinkedX() const;
   type_lst_relation getRelationX() const;

   bool isRoot() const;
   bool checkRootColumns(const QString & s) const;
   long getRootColumnsCount() const;
   long getRootColumnsOffset() const;
   void setRootColumnsOffset(long l);
   QString getRootCustomAlias() const;

protected:

   bool isValidDaoHelper(QxSqlRelationParams & params) const;

};

typedef std::shared_ptr<QxSqlRelationLinked> QxSqlRelationLinked_ptr;

} // namespace qx

#endif // _QX_SQL_RELATION_LINKED_H_