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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
    00007 **
    00008 ** This software is provided 'as-is', without any express or implied
    00009 ** warranty. In no event will the authors be held liable for any
    00010 ** damages arising from the use of this software
    00011 **
    00012 ** Commercial Usage
    00013 ** Licensees holding valid commercial QxOrm licenses may use this file in
    00014 ** accordance with the commercial license agreement provided with the
    00015 ** Software or, alternatively, in accordance with the terms contained in
    00016 ** a written agreement between you and Lionel Marty
    00017 **
    00018 ** GNU General Public License Usage
    00019 ** Alternatively, this file may be used under the terms of the GNU
    00020 ** General Public License version 3.0 as published by the Free Software
    00021 ** Foundation and appearing in the file 'license.gpl3.txt' included in the
    00022 ** packaging of this file. Please review the following information to
    00023 ** ensure the GNU General Public License version 3.0 requirements will be
    00024 ** met : http://www.gnu.org/copyleft/gpl.html
    00025 **
    00026 ** If you are unsure which license is appropriate for your use, or
    00027 ** if you have questions regarding the use of this file, please contact :
    00028 ** contact@qxorm.com
    00029 **
    00030 ****************************************************************************/
    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 <boost/tuple/tuple.hpp>
    00047 #include <boost/tuple/tuple_comparison.hpp>
    00048 #include <boost/tuple/tuple_io.hpp>
    00049
    00050 #include <QtSql/qsqlerror.h>
    00051
    00052 #include <QxCommon/QxBool.h>
    00053
    00054 #include <QxDao/IxSqlRelation.h>
    00055
    00056 #include <QxCollection/QxCollection.h>
    00057
    00058 namespace qx {
    00059
    00086 class QX_DLL_EXPORT QxSqlRelationLinked
    00087 {
    00088
    00089 protected:
    00090
    00091    typedef boost::shared_ptr<QxSqlRelationLinked> type_ptr;
    00092    typedef boost::tuple<qx::dao::sql_join::join_type, IxSqlRelation *> type_relation;
    00093    typedef qx::QxCollection<QString, type_relation> type_lst_relation;
    00094    typedef QHash<QString, type_ptr> type_lst_relation_linked;
    00095
    00096    type_lst_relation m_relationX;
    00097    type_lst_relation_linked m_relationLinkedX;
    00098    IxSqlRelationX * m_allRelationX;
    00099    bool m_bRoot;
    00100
    00101 public:
    00102
    00103    QxSqlRelationLinked();
    00104    QxSqlRelationLinked(bool bRoot);
    00105    virtual ~QxSqlRelationLinked();
    00106
    00107    qx_bool buildHierarchy(IxSqlRelationX * pRelationX, const QStringList & sRelationX);
    00108
    00109    void hierarchySelect(QxSqlRelationParams & params);
    00110    void hierarchyFrom(QxSqlRelationParams & params);
    00111    void hierarchyJoin(QxSqlRelationParams & params);
    00112    void hierarchyWhereSoftDelete(QxSqlRelationParams & params);
    00113    void hierarchyResolveOutput(QxSqlRelationParams & params);
    00114    QSqlError hierarchyOnBeforeSave(QxSqlRelationParams & params);
    00115    QSqlError hierarchyOnAfterSave(QxSqlRelationParams & params);
    00116    void updateOffset(QxSqlRelationParams & params);
    00117
    00118    bool getCartesianProduct() const;
    00119    long getAllRelationCount() const;
    00120    long getRelationCount() const;
    00121
    00122 protected:
    00123
    00124    qx_bool insertRelationToHierarchy(const QStringList & sRelationX, const QString & sKey, qx::dao::sql_join::join_type eJoinType);
    00125
    00126 };
    00127
    00128 typedef boost::shared_ptr<QxSqlRelationLinked> QxSqlRelationLinked_ptr;
    00129
    00130 } // namespace qx
    00131
    00132 #endif // _QX_SQL_RELATION_LINKED_H_