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439 lines
17 KiB
439 lines
17 KiB
/****************************************************************************
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**
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** https://www.qxorm.com/
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** Copyright (C) 2013 Lionel Marty (contact@qxorm.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 Lionel Marty
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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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** contact@qxorm.com
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**
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****************************************************************************/
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#ifndef _QX_REPOSITORY_H_
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#define _QX_REPOSITORY_H_
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#ifdef _MSC_VER
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#pragma once
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#endif
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/*!
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* \file QxRepository.h
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* \author Lionel Marty
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* \ingroup QxDao
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* \brief Repository to provide a common interface to communicate with database
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*/
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#include <QxDao/QxRepository/IxRepository.h>
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#include <QxDao/QxRepository/QxRepositoryX.h>
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#include <QxDao/QxDao.h>
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#include <QxDao/QxSession.h>
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#include <QxDao/QxSqlError.h>
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#include <QxRegister/QxClass.h>
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#include <QxCollection/QxCollection.h>
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#include <QxTraits/get_primary_key.h>
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#define QX_REPOSITORY_COLLECTION_DYNAMIC_CAST_ERROR QSqlError("[QxOrm] qx::QxRepository<T> : 'invalid collection pointer, dynamic_cast failed'", "", QSqlError::UnknownError)
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#define QX_REPOSITORY_POINTER_DYNAMIC_CAST_ERROR QSqlError("[QxOrm] qx::QxRepository<T> : 'invalid pointer, dynamic_cast failed'", "", QSqlError::UnknownError)
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#define QX_REPOSITORY_QOBJECT_BASE_CLASS_ERROR QSqlError("[QxOrm] qx::QxRepository<T> : 'invalid pointer, need to inherit from QObject class to use qx::IxRepository interface'", "", QSqlError::UnknownError)
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#ifndef _QX_NO_RTTI
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#define QX_REPOSITORY_CAST_COLLECTION \
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type_collection_qt * x = dynamic_cast<type_collection_qt *>(p); \
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type_collection_boost * y = (x ? NULL : dynamic_cast<type_collection_boost *>(p)); \
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if (! x && ! y) { throw qx::dao::sql_error(QX_REPOSITORY_COLLECTION_DYNAMIC_CAST_ERROR); }
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#else // _QX_NO_RTTI
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#define QX_REPOSITORY_CAST_COLLECTION \
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type_collection_qt * x = NULL; \
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type_collection_boost * y = static_cast<type_collection_boost *>(p);
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#endif // _QX_NO_RTTI
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namespace qx {
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template <class T>
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inline void register_repository(const QString & sKey);
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/*!
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* \ingroup QxDao
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* \brief qx::QxRepository<T> : repository to provide a common interface to communicate with database
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*/
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template <class T>
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class QxRepository : public IxRepository
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{
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template <class U>
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friend inline void register_repository(const QString & sKey);
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private:
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QxRepository(const QString & sKey) : IxRepository(true, sKey) { ; }
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public:
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QxRepository() : IxRepository(false, QString("")) { ; }
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QxRepository(const QSqlDatabase & database) : IxRepository(false, QString(""), database) { ; }
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QxRepository(QxSession * pSession) : IxRepository(false, QString(""), pSession) { ; }
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virtual ~QxRepository() { ; }
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long count(const qx::QxSqlQuery & query = qx::QxSqlQuery())
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{ return qx::dao::count<T>(query, this->database()); }
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T * fetchById(const QVariant & id, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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IxDataMemberX * pDataMemberX = QxClass<T>::getSingleton()->getDataMemberX();
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IxDataMember * pDataMemberId = (pDataMemberX ? pDataMemberX->getId_WithDaoStrategy() : NULL);
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if (! pDataMemberId) { qAssert(false); return NULL; }
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T * t = new T(); QSqlError err;
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pDataMemberId->fromVariant(t, id, -1, qx::cvt::context::e_database);
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if (relation.count() == 0) { err = qx::dao::fetch_by_id((* t), this->database(), columns); }
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else { err = qx::dao::fetch_by_id_with_relation(relation, (* t), this->database()); }
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if (err.isValid() && m_pSession) { delete t; t = NULL; (* m_pSession) += err; }
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else if (err.isValid()) { delete t; t = NULL; }
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return t;
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}
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template <class U>
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QSqlError fetchById(U & u, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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QSqlError err;
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if (relation.count() == 0) { err = qx::dao::fetch_by_id(u, this->database(), columns); }
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else { err = qx::dao::fetch_by_id_with_relation(relation, u, this->database()); }
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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template <class U>
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QSqlError fetchAll(U & u, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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QSqlError err;
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if (relation.count() == 0) { err = qx::dao::fetch_all(u, this->database(), columns); }
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else { err = qx::dao::fetch_all_with_relation(relation, u, this->database()); }
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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template <class U>
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QSqlError fetchByQuery(const qx::QxSqlQuery & query, U & u, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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QSqlError err;
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if (relation.count() == 0) { err = qx::dao::fetch_by_query(query, u, this->database(), columns); }
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else { err = qx::dao::fetch_by_query_with_relation(relation, query, u, this->database()); }
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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template <class U>
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QSqlError insert(U & u, const QStringList & relation = QStringList(), bool bUseExecBatch = false)
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{
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QSqlError err;
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if (relation.count() == 0) { err = qx::dao::insert(u, this->database(), bUseExecBatch); }
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else { err = qx::dao::insert_with_relation(relation, u, this->database()); }
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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template <class U>
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QSqlError update(U & u, const qx::QxSqlQuery & query = qx::QxSqlQuery(), const QStringList & columns = QStringList(), const QStringList & relation = QStringList(), bool bUseExecBatch = false)
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{
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QSqlError err;
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if (relation.count() == 0) { err = qx::dao::update_by_query(query, u, this->database(), columns, bUseExecBatch); }
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else { err = qx::dao::update_by_query_with_relation(relation, query, u, this->database()); }
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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template <class U>
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QSqlError save(U & u, const QStringList & relation = QStringList())
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{
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QSqlError err;
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if (relation.count() == 0) { err = qx::dao::save(u, this->database()); }
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else { err = qx::dao::save_with_relation(relation, u, this->database()); }
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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QSqlError deleteById(const QVariant & id)
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{
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IxDataMemberX * pDataMemberX = QxClass<T>::getSingleton()->getDataMemberX();
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IxDataMember * pDataMemberId = (pDataMemberX ? pDataMemberX->getId_WithDaoStrategy() : NULL);
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if (! pDataMemberId) { qAssert(false); return QSqlError(); }
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std::shared_ptr<T> t = std::make_shared<T>();
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pDataMemberId->fromVariant(t.get(), id, -1, qx::cvt::context::e_database);
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QSqlError err = qx::dao::delete_by_id((* t), this->database());
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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template <class U>
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QSqlError deleteById(U & u, bool bUseExecBatch = false)
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{
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QSqlError err = qx::dao::delete_by_id(u, this->database(), bUseExecBatch);
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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QSqlError deleteAll()
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{
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QSqlError err = qx::dao::delete_all<T>(this->database());
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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QSqlError deleteByQuery(const qx::QxSqlQuery & query)
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{
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QSqlError err = qx::dao::delete_by_query<T>(query, this->database());
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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QSqlError destroyById(const QVariant & id)
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{
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IxDataMemberX * pDataMemberX = QxClass<T>::getSingleton()->getDataMemberX();
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IxDataMember * pDataMemberId = (pDataMemberX ? pDataMemberX->getId_WithDaoStrategy() : NULL);
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if (! pDataMemberId) { qAssert(false); return QSqlError(); }
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std::shared_ptr<T> t = std::make_shared<T>();
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pDataMemberId->fromVariant(t.get(), id, -1, qx::cvt::context::e_database);
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QSqlError err = qx::dao::destroy_by_id((* t), this->database());
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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template <class U>
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QSqlError destroyById(U & u, bool bUseExecBatch = false)
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{
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QSqlError err = qx::dao::destroy_by_id(u, this->database(), bUseExecBatch);
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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QSqlError destroyAll()
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{
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QSqlError err = qx::dao::destroy_all<T>(this->database());
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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QSqlError destroyByQuery(const qx::QxSqlQuery & query)
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{
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QSqlError err = qx::dao::destroy_by_query<T>(query, this->database());
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if (err.isValid() && m_pSession) { (* m_pSession) += err; }
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return err;
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}
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template <class U>
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qx_bool exist(U & u)
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{ return qx::dao::exist(u, this->database()); }
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private:
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typedef typename qx::trait::get_primary_key<T>::type type_primary_key;
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typedef qx::QxCollection< type_primary_key, QSharedPointer<T> > type_collection_qt;
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typedef qx::QxCollection< type_primary_key, std::shared_ptr<T> > type_collection_boost;
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template <bool bIsQObject /* = false */, int dummy>
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struct qxVerifyPointer
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{ static inline T * get(QObject * p) { Q_UNUSED(p); throw qx::dao::sql_error(QX_REPOSITORY_QOBJECT_BASE_CLASS_ERROR); return NULL; } };
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template <int dummy>
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struct qxVerifyPointer<true, dummy>
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#ifdef _QX_NO_RTTI
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{ static inline T * get(QObject * p) { T * t = qobject_cast<T *>(p); if (! t) { throw qx::dao::sql_error(QX_REPOSITORY_POINTER_DYNAMIC_CAST_ERROR); }; return t; } };
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#else // _QX_NO_RTTI
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{ static inline T * get(QObject * p) { T * t = dynamic_cast<T *>(p); if (! t) { throw qx::dao::sql_error(QX_REPOSITORY_POINTER_DYNAMIC_CAST_ERROR); }; return t; } };
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#endif // _QX_NO_RTTI
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public:
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virtual long _count(const qx::QxSqlQuery & query = qx::QxSqlQuery())
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{ return this->count(query); }
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virtual void * _fetchById(const QVariant & id, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{ return static_cast<void *>(this->fetchById(id, columns, relation)); }
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virtual QSqlError _fetchById(QObject * p, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
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return this->fetchById((* t), columns, relation);
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}
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virtual QSqlError _fetchById(qx::IxCollection * p, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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QX_REPOSITORY_CAST_COLLECTION
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return (x ? this->fetchById((* x), columns, relation) : this->fetchById((* y), columns, relation));
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}
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virtual QSqlError _fetchAll(QObject * p, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
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return this->fetchAll((* t), columns, relation);
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}
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virtual QSqlError _fetchAll(qx::IxCollection * p, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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QX_REPOSITORY_CAST_COLLECTION
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return (x ? this->fetchAll((* x), columns, relation) : this->fetchAll((* y), columns, relation));
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}
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virtual QSqlError _fetchByQuery(const qx::QxSqlQuery & query, QObject * p, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
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return this->fetchByQuery(query, (* t), columns, relation);
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}
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virtual QSqlError _fetchByQuery(const qx::QxSqlQuery & query, qx::IxCollection * p, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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QX_REPOSITORY_CAST_COLLECTION
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return (x ? this->fetchByQuery(query, (* x), columns, relation) : this->fetchByQuery(query, (* y), columns, relation));
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}
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virtual QSqlError _insert(QObject * p, const QStringList & relation = QStringList())
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{
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T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
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return this->insert((* t), relation);
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}
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virtual QSqlError _insert(qx::IxCollection * p, const QStringList & relation = QStringList())
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{
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QX_REPOSITORY_CAST_COLLECTION
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return (x ? this->insert((* x), relation) : this->insert((* y), relation));
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}
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virtual QSqlError _update(QObject * p, const qx::QxSqlQuery & query = qx::QxSqlQuery(), const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
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return this->update((* t), query, columns, relation);
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}
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virtual QSqlError _update(qx::IxCollection * p, const qx::QxSqlQuery & query = qx::QxSqlQuery(), const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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QX_REPOSITORY_CAST_COLLECTION
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return (x ? this->update((* x), query, columns, relation) : this->update((* y), query, columns, relation));
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}
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virtual QSqlError _save(QObject * p, const QStringList & relation = QStringList())
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{
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T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
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return this->save((* t), relation);
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}
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virtual QSqlError _save(qx::IxCollection * p, const QStringList & relation = QStringList())
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{
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QX_REPOSITORY_CAST_COLLECTION
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return (x ? this->save((* x), relation) : this->save((* y), relation));
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}
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virtual QSqlError _deleteById(const QVariant & id)
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{ return this->deleteById(id); }
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virtual QSqlError _deleteById(QObject * p)
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{
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T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
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return this->deleteById(* t);
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}
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virtual QSqlError _deleteById(qx::IxCollection * p)
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{
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QX_REPOSITORY_CAST_COLLECTION
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return (x ? this->deleteById(* x) : this->deleteById(* y));
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}
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virtual QSqlError _deleteAll()
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{ return this->deleteAll(); }
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virtual QSqlError _deleteByQuery(const qx::QxSqlQuery & query)
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{ return this->deleteByQuery(query); }
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virtual QSqlError _destroyById(const QVariant & id)
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{ return this->destroyById(id); }
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virtual QSqlError _destroyById(QObject * p)
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{
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T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
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return this->destroyById(* t);
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}
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virtual QSqlError _destroyById(qx::IxCollection * p)
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{
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QX_REPOSITORY_CAST_COLLECTION
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return (x ? this->destroyById(* x) : this->destroyById(* y));
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}
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virtual QSqlError _destroyAll()
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{ return this->destroyAll(); }
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virtual QSqlError _destroyByQuery(const qx::QxSqlQuery & query)
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{ return this->destroyByQuery(query); }
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virtual qx_bool _exist(QObject * p)
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{
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T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
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return this->exist(* t);
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}
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virtual qx_bool _exist(qx::IxCollection * p)
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{
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QX_REPOSITORY_CAST_COLLECTION
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return (x ? this->exist(* x) : this->exist(* y));
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}
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virtual qx::IxCollection_ptr _newCollection() const
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{
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qx::IxCollection_ptr lst = std::make_shared<type_collection_boost>();
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return lst;
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}
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virtual qx::IxClass * _getClass() const
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{ return qx::QxClass<T>::getSingleton(); }
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public:
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static T * getById(const QVariant & id, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
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{
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IxDataMemberX * pDataMemberX = QxClass<T>::getSingleton()->getDataMemberX();
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IxDataMember * pDataMemberId = (pDataMemberX ? pDataMemberX->getId_WithDaoStrategy() : NULL);
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if (! pDataMemberId) { qAssert(false); return NULL; }
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T * t = new T(); QSqlError err;
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pDataMemberId->fromVariant(t, id, -1, qx::cvt::context::e_database);
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if (relation.count() == 0) { err = qx::dao::fetch_by_id((* t), NULL, columns); }
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else { err = qx::dao::fetch_by_id_with_relation(relation, (* t), NULL); }
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if (err.isValid()) { delete t; t = NULL; }
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return t;
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}
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|
|
|
};
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template <class T>
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inline void register_repository(const QString & sKey)
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{
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// 'pNewRepository' instance will be destroyed by 'qx::QxRepositoryX::unregisterRepository()' method
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qx::QxRepository<T> * pNewRepository = new qx::QxRepository<T>(sKey);
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|
Q_UNUSED(pNewRepository);
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|
}
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} // namespace qx
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|
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#endif // _QX_REPOSITORY_H_
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