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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
    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 <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 namespace dao {
    00056 namespace detail {
    00057
    00058 class IxDao_Helper;
    00059
    00060 } // namespace detail
    00061 } // namespace dao
    00062 } // namespace qx
    00063
    00064 namespace qx {
    00065
    00066 class IxClass;
    00067
    00094 class QX_DLL_EXPORT QxSqlRelationLinked
    00095 {
    00096
    00097 public:
    00098
    00099    typedef std::shared_ptr<QxSqlRelationLinked> type_ptr;
    00100    typedef std::tuple<qx::dao::sql_join::join_type, IxSqlRelation *, QPair<QSet<QString>, long>, QString, bool> type_relation;
    00101    typedef qx::QxCollection<QString, type_relation> type_lst_relation;
    00102    typedef QHash<QString, type_ptr> type_lst_relation_linked;
    00103
    00104 private:
    00105
    00106    struct QxSqlRelationLinkedImpl;
    00107    std::unique_ptr<QxSqlRelationLinkedImpl> m_pImpl;
    00108
    00109 public:
    00110
    00111    QxSqlRelationLinked();
    00112    QxSqlRelationLinked(bool bRoot);
    00113    virtual ~QxSqlRelationLinked();
    00114
    00115    static type_ptr getHierarchy(IxClass * pClass, const QStringList & sRelationX, qx_bool & bOk, qx::dao::detail::IxDao_Helper * pDaoHelper = NULL);
    00116
    00117    void hierarchySelect(QxSqlRelationParams & params);
    00118    void hierarchyFrom(QxSqlRelationParams & params);
    00119    void hierarchyJoin(QxSqlRelationParams & params);
    00120    void hierarchyWhereSoftDelete(QxSqlRelationParams & params);
    00121    void hierarchyResolveOutput(QxSqlRelationParams & params);
    00122    QSqlError hierarchyOnBeforeSave(QxSqlRelationParams & params);
    00123    QSqlError hierarchyOnAfterSave(QxSqlRelationParams & params);
    00124    void updateOffset(QxSqlRelationParams & params);
    00125
    00126    bool getCartesianProduct() const;
    00127    long getAllRelationCount() const;
    00128    long getRelationCount() const;
    00129    bool existRelation(const QString & sKey) const;
    00130    type_lst_relation_linked getRelationLinkedX() const;
    00131    type_lst_relation getRelationX() const;
    00132
    00133    bool isRoot() const;
    00134    bool checkRootColumns(const QString & s) const;
    00135    long getRootColumnsCount() const;
    00136    long getRootColumnsOffset() const;
    00137    void setRootColumnsOffset(long l);
    00138    QString getRootCustomAlias() const;
    00139
    00140 protected:
    00141
    00142    bool isValidDaoHelper(QxSqlRelationParams & params) const;
    00143
    00144 };
    00145
    00146 typedef std::shared_ptr<QxSqlRelationLinked> QxSqlRelationLinked_ptr;
    00147
    00148 } // namespace qx
    00149
    00150 #endif // _QX_SQL_RELATION_LINKED_H_