517 lines
23 KiB
C++
517 lines
23 KiB
C++
/****************************************************************************
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**
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** https://www.qxorm.com/
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** Copyright (C) 2013 XDL Team (ic-east.com)
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**
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** This file is part of the QxOrm library
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any
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** damages arising from the use of this software
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**
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** Commercial Usage
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** Licensees holding valid commercial QxOrm licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and XDL Team
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file 'license.gpl3.txt' included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met : http://www.gnu.org/copyleft/gpl.html
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**
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** If you are unsure which license is appropriate for your use, or
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** if you have questions regarding the use of this file, please contact :
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** ic-east.com
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**
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****************************************************************************/
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namespace qx
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{
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namespace dao
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{
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namespace detail
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{
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template <class T>
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struct QxDao_Save_WithRelation_Recursive_Generic
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{
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static QSqlError save(T &t, qx::dao::save_mode::e_save_mode eSaveMode, QSqlDatabase *pDatabase, qx::QxSqlRelationParams *pRelationParams)
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{
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QStringList relation("*");
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qx::dao::detail::QxDao_Helper<T> dao(t, pDatabase, "save with relation recursive", new qx::QxSqlQueryBuilder_Update<T>());
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if (!dao.isValid())
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{
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return dao.error();
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}
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if (dao.isReadOnly())
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{
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return dao.errReadOnly();
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}
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if (!dao.updateSqlRelationX(relation))
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{
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return dao.errInvalidRelation();
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}
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if (!pDatabase)
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{
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dao.transaction();
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}
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dao.quiet();
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qx::QxSqlRelationParams params(0, 0, NULL, (&dao.builder()), (&dao.query()), (&t));
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if (!pRelationParams)
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{
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params.setDatabase((&dao.database()));
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params.setSaveMode(eSaveMode);
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params.setRecursiveMode(true);
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}
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else
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{
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params = (*pRelationParams);
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params.setOwner(&t);
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}
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if (params.existRecursiveItem(&t))
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{
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return dao.error();
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}
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params.insertRecursiveItem(&t);
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qx::QxSqlRelationLinked *pRelationLinked = dao.getSqlRelationLinked();
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if (pRelationLinked)
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{
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dao.updateError(pRelationLinked->hierarchyOnBeforeSave(params));
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}
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if (!dao.isValid())
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{
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return dao.error();
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}
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if (eSaveMode == qx::dao::save_mode::e_check_insert_or_update)
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{
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qx_bool bExist = dao.isValidPrimaryKey(t);
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if (bExist)
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{
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bExist = qx::dao::exist(t, (&dao.database()));
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}
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if (bExist)
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{
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dao.updateError(qx::dao::update(t, (&dao.database())));
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}
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else
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{
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dao.updateError(qx::dao::insert(t, (&dao.database())));
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}
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}
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else if (eSaveMode == qx::dao::save_mode::e_insert_only)
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{
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dao.updateError(qx::dao::insert(t, (&dao.database())));
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}
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else if (eSaveMode == qx::dao::save_mode::e_update_only)
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{
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dao.updateError(qx::dao::update(t, (&dao.database())));
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}
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else
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{
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qAssert(false);
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}
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if (!dao.isValid())
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{
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return dao.error();
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}
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if (pRelationLinked)
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{
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dao.updateError(pRelationLinked->hierarchyOnAfterSave(params));
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}
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if (!dao.isValid())
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{
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return dao.error();
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}
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return dao.error();
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}
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};
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template <class T>
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struct QxDao_Save_WithRelation_Recursive_Container
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{
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static QSqlError save(T &t, qx::dao::save_mode::e_save_mode eSaveMode, QSqlDatabase *pDatabase, qx::QxSqlRelationParams *pRelationParams)
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{
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typedef typename qx::trait::generic_container<T>::type_value_qx type_item;
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QStringList relation("*");
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if (qx::trait::generic_container<T>::size(t) <= 0)
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{
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return QSqlError();
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}
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qx::dao::detail::QxDao_Helper_Container<T> dao(t, pDatabase, "save with relation recursive", new qx::QxSqlQueryBuilder_Update<type_item>());
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if (!dao.isValid())
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{
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return dao.error();
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}
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if (dao.isReadOnly())
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{
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return dao.errReadOnly();
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}
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if (!dao.updateSqlRelationX(relation))
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{
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return dao.errInvalidRelation();
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}
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if (!pDatabase)
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{
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dao.transaction();
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}
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dao.quiet();
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if (eSaveMode == qx::dao::save_mode::e_check_insert_or_update)
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{
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for (typename T::iterator it = t.begin(); it != t.end(); ++it)
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{
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if (!saveItem(eSaveMode, pRelationParams, (*it), dao))
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{
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return dao.error();
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}
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}
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}
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else if (eSaveMode == qx::dao::save_mode::e_insert_only)
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{
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for (typename T::iterator it = t.begin(); it != t.end(); ++it)
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{
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if (!hierarchyOnBeforeSave(eSaveMode, pRelationParams, (*it), dao))
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{
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return dao.error();
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}
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}
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dao.updateError(qx::dao::insert(t, (&dao.database())));
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if (!dao.isValid())
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{
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return dao.error();
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}
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for (typename T::iterator it = t.begin(); it != t.end(); ++it)
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{
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if (!hierarchyOnAfterSave(eSaveMode, pRelationParams, (*it), dao))
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{
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return dao.error();
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}
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}
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}
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else if (eSaveMode == qx::dao::save_mode::e_update_only)
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{
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for (typename T::iterator it = t.begin(); it != t.end(); ++it)
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{
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if (!hierarchyOnBeforeSave(eSaveMode, pRelationParams, (*it), dao))
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{
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return dao.error();
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}
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}
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dao.updateError(qx::dao::update(t, (&dao.database())));
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if (!dao.isValid())
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{
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return dao.error();
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}
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for (typename T::iterator it = t.begin(); it != t.end(); ++it)
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{
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if (!hierarchyOnAfterSave(eSaveMode, pRelationParams, (*it), dao))
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{
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return dao.error();
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}
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}
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}
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else
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{
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qAssert(false);
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}
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return dao.error();
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}
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private:
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template <typename U>
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static inline bool saveItem(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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bool bSaveOk = saveItem_Helper < U, std::is_pointer<U>::value || qx::trait::is_smart_ptr<U>::value > ::save(eSaveMode, pRelationParams, item, dao);
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if (bSaveOk)
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{
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qx::dao::detail::QxDao_Keep_Original<U>::backup(item);
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}
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return bSaveOk;
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}
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template <typename U>
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static inline bool hierarchyOnBeforeSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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bool bBeforeSaveOk = saveItem_Helper < U, std::is_pointer<U>::value || qx::trait::is_smart_ptr<U>::value > ::hierarchyOnBeforeSave(eSaveMode, pRelationParams, item, dao);
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if (bBeforeSaveOk)
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{
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qx::dao::detail::QxDao_Keep_Original<U>::backup(item);
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}
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return bBeforeSaveOk;
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}
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template <typename U>
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static inline bool hierarchyOnAfterSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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bool bAfterSaveOk = saveItem_Helper < U, std::is_pointer<U>::value || qx::trait::is_smart_ptr<U>::value > ::hierarchyOnAfterSave(eSaveMode, pRelationParams, item, dao);
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if (bAfterSaveOk)
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{
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qx::dao::detail::QxDao_Keep_Original<U>::backup(item);
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}
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return bAfterSaveOk;
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}
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template <typename U, bool bIsPointer /* = true */>
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struct saveItem_Helper
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{
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static inline bool save(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return (item ? qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::saveItem(eSaveMode, pRelationParams, (*item), dao) : false);
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}
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static inline bool hierarchyOnBeforeSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return (item ? qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::hierarchyOnBeforeSave(eSaveMode, pRelationParams, (*item), dao) : false);
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}
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static inline bool hierarchyOnAfterSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return (item ? qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::hierarchyOnAfterSave(eSaveMode, pRelationParams, (*item), dao) : false);
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}
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};
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template <typename U1, typename U2>
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struct saveItem_Helper<std::pair<U1, U2>, false>
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{
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static inline bool save(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, std::pair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::saveItem(eSaveMode, pRelationParams, item.second, dao);
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}
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static inline bool hierarchyOnBeforeSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, std::pair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::hierarchyOnBeforeSave(eSaveMode, pRelationParams, item.second, dao);
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}
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static inline bool hierarchyOnAfterSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, std::pair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::hierarchyOnAfterSave(eSaveMode, pRelationParams, item.second, dao);
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}
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};
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template <typename U1, typename U2>
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struct saveItem_Helper<const std::pair<U1, U2>, false>
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{
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static inline bool save(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, const std::pair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::saveItem(eSaveMode, pRelationParams, item.second, dao);
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}
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static inline bool hierarchyOnBeforeSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, const std::pair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::hierarchyOnBeforeSave(eSaveMode, pRelationParams, item.second, dao);
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}
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static inline bool hierarchyOnAfterSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, const std::pair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::hierarchyOnAfterSave(eSaveMode, pRelationParams, item.second, dao);
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}
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};
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#if (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
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template <typename U1, typename U2>
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struct saveItem_Helper<QPair<U1, U2>, false>
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{
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static inline bool save(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, QPair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::saveItem(eSaveMode, pRelationParams, item.second, dao);
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}
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static inline bool hierarchyOnBeforeSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, QPair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::hierarchyOnBeforeSave(eSaveMode, pRelationParams, item.second, dao);
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}
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static inline bool hierarchyOnAfterSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, QPair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::hierarchyOnAfterSave(eSaveMode, pRelationParams, item.second, dao);
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}
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};
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template <typename U1, typename U2>
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struct saveItem_Helper<const QPair<U1, U2>, false>
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{
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static inline bool save(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, const QPair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::saveItem(eSaveMode, pRelationParams, item.second, dao);
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}
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static inline bool hierarchyOnBeforeSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, const QPair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::hierarchyOnBeforeSave(eSaveMode, pRelationParams, item.second, dao);
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}
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static inline bool hierarchyOnAfterSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, const QPair<U1, U2> &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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return qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>::hierarchyOnAfterSave(eSaveMode, pRelationParams, item.second, dao);
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}
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};
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#endif // (QT_VERSION < QT_VERSION_CHECK(6, 0, 0))
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template <typename U>
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struct saveItem_Helper<U, false>
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{
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static bool save(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
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{
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qx::QxSqlRelationParams params(0, 0, NULL, (&dao.builder()), (&dao.query()), (&item));
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if (!pRelationParams)
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{
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params.setDatabase((&dao.database()));
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params.setSaveMode(eSaveMode);
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params.setRecursiveMode(true);
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}
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else
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{
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params = (*pRelationParams);
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params.setOwner(&item);
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}
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if (params.existRecursiveItem(&item))
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{
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return true;
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}
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params.insertRecursiveItem(&item);
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qx::QxSqlRelationLinked *pRelationLinked = dao.getSqlRelationLinked();
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if (pRelationLinked)
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{
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dao.updateError(pRelationLinked->hierarchyOnBeforeSave(params));
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}
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if (!dao.isValid())
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{
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return false;
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}
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if (eSaveMode == qx::dao::save_mode::e_check_insert_or_update)
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{
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qx_bool bExist = dao.isValidPrimaryKey(item);
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if (bExist)
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{
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bExist = qx::dao::exist(item, (&dao.database()));
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}
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if (bExist)
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{
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dao.updateError(qx::dao::update(item, (&dao.database())));
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}
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else
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{
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dao.updateError(qx::dao::insert(item, (&dao.database())));
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}
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}
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else if (eSaveMode == qx::dao::save_mode::e_insert_only)
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{
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dao.updateError(qx::dao::insert(item, (&dao.database())));
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}
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else if (eSaveMode == qx::dao::save_mode::e_update_only)
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{
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dao.updateError(qx::dao::update(item, (&dao.database())));
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}
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else
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{
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qAssert(false);
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}
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if (!dao.isValid())
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{
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return false;
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}
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if (pRelationLinked)
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{
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dao.updateError(pRelationLinked->hierarchyOnAfterSave(params));
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}
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if (!dao.isValid())
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{
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return false;
|
|
}
|
|
|
|
return dao.isValid();
|
|
}
|
|
|
|
static bool hierarchyOnBeforeSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
|
|
{
|
|
qx::QxSqlRelationParams params(0, 0, NULL, (&dao.builder()), (&dao.query()), (&item));
|
|
if (!pRelationParams)
|
|
{
|
|
params.setDatabase((&dao.database()));
|
|
params.setSaveMode(eSaveMode);
|
|
params.setRecursiveMode(true);
|
|
}
|
|
else
|
|
{
|
|
params = (*pRelationParams);
|
|
params.setOwner(&item);
|
|
}
|
|
|
|
qx::QxSqlRelationLinked *pRelationLinked = dao.getSqlRelationLinked();
|
|
if (pRelationLinked)
|
|
{
|
|
dao.updateError(pRelationLinked->hierarchyOnBeforeSave(params));
|
|
}
|
|
return dao.isValid();
|
|
}
|
|
|
|
static bool hierarchyOnAfterSave(qx::dao::save_mode::e_save_mode eSaveMode, qx::QxSqlRelationParams *pRelationParams, U &item, qx::dao::detail::QxDao_Helper_Container<T> &dao)
|
|
{
|
|
qx::QxSqlRelationParams params(0, 0, NULL, (&dao.builder()), (&dao.query()), (&item));
|
|
if (!pRelationParams)
|
|
{
|
|
params.setDatabase((&dao.database()));
|
|
params.setSaveMode(eSaveMode);
|
|
params.setRecursiveMode(true);
|
|
}
|
|
else
|
|
{
|
|
params = (*pRelationParams);
|
|
params.setOwner(&item);
|
|
}
|
|
if (params.existRecursiveItem(&item))
|
|
{
|
|
return true;
|
|
}
|
|
params.insertRecursiveItem(&item);
|
|
|
|
qx::QxSqlRelationLinked *pRelationLinked = dao.getSqlRelationLinked();
|
|
if (pRelationLinked)
|
|
{
|
|
dao.updateError(pRelationLinked->hierarchyOnAfterSave(params));
|
|
}
|
|
return dao.isValid();
|
|
}
|
|
};
|
|
};
|
|
|
|
template <class T>
|
|
struct QxDao_Save_WithRelation_Recursive_Ptr
|
|
{
|
|
|
|
static inline QSqlError save(T &t, qx::dao::save_mode::e_save_mode eSaveMode, QSqlDatabase *pDatabase, qx::QxSqlRelationParams *pRelationParams)
|
|
{
|
|
return (t ? qx::dao::save_with_relation_recursive((*t), eSaveMode, pDatabase, pRelationParams) : QSqlError());
|
|
}
|
|
};
|
|
|
|
template <class T>
|
|
struct QxDao_Save_WithRelation_Recursive
|
|
{
|
|
|
|
static inline QSqlError save(T &t, qx::dao::save_mode::e_save_mode eSaveMode, QSqlDatabase *pDatabase, qx::QxSqlRelationParams *pRelationParams)
|
|
{
|
|
typedef typename std::conditional<std::is_pointer<T>::value, qx::dao::detail::QxDao_Save_WithRelation_Recursive_Ptr<T>, qx::dao::detail::QxDao_Save_WithRelation_Recursive_Generic<T>>::type type_dao_1;
|
|
typedef typename std::conditional<qx::trait::is_smart_ptr<T>::value, qx::dao::detail::QxDao_Save_WithRelation_Recursive_Ptr<T>, type_dao_1>::type type_dao_2;
|
|
typedef typename std::conditional<qx::trait::is_container<T>::value, qx::dao::detail::QxDao_Save_WithRelation_Recursive_Container<T>, type_dao_2>::type type_dao_3;
|
|
|
|
QSqlError error = type_dao_3::save(t, eSaveMode, pDatabase, pRelationParams);
|
|
if (!error.isValid())
|
|
{
|
|
qx::dao::detail::QxDao_Keep_Original<T>::backup(t);
|
|
}
|
|
return error;
|
|
}
|
|
};
|
|
|
|
} // namespace detail
|
|
} // namespace dao
|
|
} // namespace qx
|