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/****************************************************************************
**
** https://www.qxorm.com/
** Copyright (C) 2013 Lionel Marty (contact@qxorm.com)
**
** This file is part of the QxOrm library
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any
** damages arising from the use of this software
**
** Commercial Usage
** Licensees holding valid commercial QxOrm licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Lionel Marty
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file 'license.gpl3.txt' included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met : http://www.gnu.org/copyleft/gpl.html
**
** If you are unsure which license is appropriate for your use, or
** if you have questions regarding the use of this file, please contact :
** contact@qxorm.com
**
****************************************************************************/
#ifndef _QX_REPOSITORY_H_
#define _QX_REPOSITORY_H_
#ifdef _MSC_VER
#pragma once
#endif
/*!
* \file QxRepository.h
* \author Lionel Marty
* \ingroup QxDao
* \brief Repository to provide a common interface to communicate with database
*/
#include <QxDao/QxRepository/IxRepository.h>
#include <QxDao/QxRepository/QxRepositoryX.h>
#include <QxDao/QxDao.h>
#include <QxDao/QxSession.h>
#include <QxDao/QxSqlError.h>
#include <QxRegister/QxClass.h>
#include <QxCollection/QxCollection.h>
#include <QxTraits/get_primary_key.h>
#define QX_REPOSITORY_COLLECTION_DYNAMIC_CAST_ERROR QSqlError("[QxOrm] qx::QxRepository<T> : 'invalid collection pointer, dynamic_cast failed'", "", QSqlError::UnknownError)
#define QX_REPOSITORY_POINTER_DYNAMIC_CAST_ERROR QSqlError("[QxOrm] qx::QxRepository<T> : 'invalid pointer, dynamic_cast failed'", "", QSqlError::UnknownError)
#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)
#ifndef _QX_NO_RTTI
#define QX_REPOSITORY_CAST_COLLECTION \
type_collection_qt * x = dynamic_cast<type_collection_qt *>(p); \
type_collection_boost * y = (x ? NULL : dynamic_cast<type_collection_boost *>(p)); \
if (! x && ! y) { throw qx::dao::sql_error(QX_REPOSITORY_COLLECTION_DYNAMIC_CAST_ERROR); }
#else // _QX_NO_RTTI
#define QX_REPOSITORY_CAST_COLLECTION \
type_collection_qt * x = NULL; \
type_collection_boost * y = static_cast<type_collection_boost *>(p);
#endif // _QX_NO_RTTI
namespace qx {
template <class T>
inline void register_repository(const QString & sKey);
/*!
* \ingroup QxDao
* \brief qx::QxRepository<T> : repository to provide a common interface to communicate with database
*/
template <class T>
class QxRepository : public IxRepository
{
template <class U>
friend inline void register_repository(const QString & sKey);
private:
QxRepository(const QString & sKey) : IxRepository(true, sKey) { ; }
public:
QxRepository() : IxRepository(false, QString("")) { ; }
QxRepository(const QSqlDatabase & database) : IxRepository(false, QString(""), database) { ; }
QxRepository(QxSession * pSession) : IxRepository(false, QString(""), pSession) { ; }
virtual ~QxRepository() { ; }
long count(const qx::QxSqlQuery & query = qx::QxSqlQuery())
{ return qx::dao::count<T>(query, this->database()); }
T * fetchById(const QVariant & id, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
IxDataMemberX * pDataMemberX = QxClass<T>::getSingleton()->getDataMemberX();
IxDataMember * pDataMemberId = (pDataMemberX ? pDataMemberX->getId_WithDaoStrategy() : NULL);
if (! pDataMemberId) { qAssert(false); return NULL; }
T * t = new T(); QSqlError err;
pDataMemberId->fromVariant(t, id, -1, qx::cvt::context::e_database);
if (relation.count() == 0) { err = qx::dao::fetch_by_id((* t), this->database(), columns); }
else { err = qx::dao::fetch_by_id_with_relation(relation, (* t), this->database()); }
if (err.isValid() && m_pSession) { delete t; t = NULL; (* m_pSession) += err; }
else if (err.isValid()) { delete t; t = NULL; }
return t;
}
template <class U>
QSqlError fetchById(U & u, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
QSqlError err;
if (relation.count() == 0) { err = qx::dao::fetch_by_id(u, this->database(), columns); }
else { err = qx::dao::fetch_by_id_with_relation(relation, u, this->database()); }
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
template <class U>
QSqlError fetchAll(U & u, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
QSqlError err;
if (relation.count() == 0) { err = qx::dao::fetch_all(u, this->database(), columns); }
else { err = qx::dao::fetch_all_with_relation(relation, u, this->database()); }
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
template <class U>
QSqlError fetchByQuery(const qx::QxSqlQuery & query, U & u, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
QSqlError err;
if (relation.count() == 0) { err = qx::dao::fetch_by_query(query, u, this->database(), columns); }
else { err = qx::dao::fetch_by_query_with_relation(relation, query, u, this->database()); }
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
template <class U>
QSqlError insert(U & u, const QStringList & relation = QStringList(), bool bUseExecBatch = false)
{
QSqlError err;
if (relation.count() == 0) { err = qx::dao::insert(u, this->database(), bUseExecBatch); }
else { err = qx::dao::insert_with_relation(relation, u, this->database()); }
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
template <class U>
QSqlError update(U & u, const qx::QxSqlQuery & query = qx::QxSqlQuery(), const QStringList & columns = QStringList(), const QStringList & relation = QStringList(), bool bUseExecBatch = false)
{
QSqlError err;
if (relation.count() == 0) { err = qx::dao::update_by_query(query, u, this->database(), columns, bUseExecBatch); }
else { err = qx::dao::update_by_query_with_relation(relation, query, u, this->database()); }
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
template <class U>
QSqlError save(U & u, const QStringList & relation = QStringList())
{
QSqlError err;
if (relation.count() == 0) { err = qx::dao::save(u, this->database()); }
else { err = qx::dao::save_with_relation(relation, u, this->database()); }
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
QSqlError deleteById(const QVariant & id)
{
IxDataMemberX * pDataMemberX = QxClass<T>::getSingleton()->getDataMemberX();
IxDataMember * pDataMemberId = (pDataMemberX ? pDataMemberX->getId_WithDaoStrategy() : NULL);
if (! pDataMemberId) { qAssert(false); return QSqlError(); }
std::shared_ptr<T> t = std::make_shared<T>();
pDataMemberId->fromVariant(t.get(), id, -1, qx::cvt::context::e_database);
QSqlError err = qx::dao::delete_by_id((* t), this->database());
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
template <class U>
QSqlError deleteById(U & u, bool bUseExecBatch = false)
{
QSqlError err = qx::dao::delete_by_id(u, this->database(), bUseExecBatch);
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
QSqlError deleteAll()
{
QSqlError err = qx::dao::delete_all<T>(this->database());
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
QSqlError deleteByQuery(const qx::QxSqlQuery & query)
{
QSqlError err = qx::dao::delete_by_query<T>(query, this->database());
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
QSqlError destroyById(const QVariant & id)
{
IxDataMemberX * pDataMemberX = QxClass<T>::getSingleton()->getDataMemberX();
IxDataMember * pDataMemberId = (pDataMemberX ? pDataMemberX->getId_WithDaoStrategy() : NULL);
if (! pDataMemberId) { qAssert(false); return QSqlError(); }
std::shared_ptr<T> t = std::make_shared<T>();
pDataMemberId->fromVariant(t.get(), id, -1, qx::cvt::context::e_database);
QSqlError err = qx::dao::destroy_by_id((* t), this->database());
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
template <class U>
QSqlError destroyById(U & u, bool bUseExecBatch = false)
{
QSqlError err = qx::dao::destroy_by_id(u, this->database(), bUseExecBatch);
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
QSqlError destroyAll()
{
QSqlError err = qx::dao::destroy_all<T>(this->database());
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
QSqlError destroyByQuery(const qx::QxSqlQuery & query)
{
QSqlError err = qx::dao::destroy_by_query<T>(query, this->database());
if (err.isValid() && m_pSession) { (* m_pSession) += err; }
return err;
}
template <class U>
qx_bool exist(U & u)
{ return qx::dao::exist(u, this->database()); }
private:
typedef typename qx::trait::get_primary_key<T>::type type_primary_key;
typedef qx::QxCollection< type_primary_key, QSharedPointer<T> > type_collection_qt;
typedef qx::QxCollection< type_primary_key, std::shared_ptr<T> > type_collection_boost;
template <bool bIsQObject /* = false */, int dummy>
struct qxVerifyPointer
{ static inline T * get(QObject * p) { Q_UNUSED(p); throw qx::dao::sql_error(QX_REPOSITORY_QOBJECT_BASE_CLASS_ERROR); return NULL; } };
template <int dummy>
struct qxVerifyPointer<true, dummy>
#ifdef _QX_NO_RTTI
{ 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; } };
#else // _QX_NO_RTTI
{ 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; } };
#endif // _QX_NO_RTTI
public:
virtual long _count(const qx::QxSqlQuery & query = qx::QxSqlQuery())
{ return this->count(query); }
virtual void * _fetchById(const QVariant & id, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{ return static_cast<void *>(this->fetchById(id, columns, relation)); }
virtual QSqlError _fetchById(QObject * p, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
return this->fetchById((* t), columns, relation);
}
virtual QSqlError _fetchById(qx::IxCollection * p, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
QX_REPOSITORY_CAST_COLLECTION
return (x ? this->fetchById((* x), columns, relation) : this->fetchById((* y), columns, relation));
}
virtual QSqlError _fetchAll(QObject * p, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
return this->fetchAll((* t), columns, relation);
}
virtual QSqlError _fetchAll(qx::IxCollection * p, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
QX_REPOSITORY_CAST_COLLECTION
return (x ? this->fetchAll((* x), columns, relation) : this->fetchAll((* y), columns, relation));
}
virtual QSqlError _fetchByQuery(const qx::QxSqlQuery & query, QObject * p, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
return this->fetchByQuery(query, (* t), columns, relation);
}
virtual QSqlError _fetchByQuery(const qx::QxSqlQuery & query, qx::IxCollection * p, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
QX_REPOSITORY_CAST_COLLECTION
return (x ? this->fetchByQuery(query, (* x), columns, relation) : this->fetchByQuery(query, (* y), columns, relation));
}
virtual QSqlError _insert(QObject * p, const QStringList & relation = QStringList())
{
T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
return this->insert((* t), relation);
}
virtual QSqlError _insert(qx::IxCollection * p, const QStringList & relation = QStringList())
{
QX_REPOSITORY_CAST_COLLECTION
return (x ? this->insert((* x), relation) : this->insert((* y), relation));
}
virtual QSqlError _update(QObject * p, const qx::QxSqlQuery & query = qx::QxSqlQuery(), const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
return this->update((* t), query, columns, relation);
}
virtual QSqlError _update(qx::IxCollection * p, const qx::QxSqlQuery & query = qx::QxSqlQuery(), const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
QX_REPOSITORY_CAST_COLLECTION
return (x ? this->update((* x), query, columns, relation) : this->update((* y), query, columns, relation));
}
virtual QSqlError _save(QObject * p, const QStringList & relation = QStringList())
{
T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
return this->save((* t), relation);
}
virtual QSqlError _save(qx::IxCollection * p, const QStringList & relation = QStringList())
{
QX_REPOSITORY_CAST_COLLECTION
return (x ? this->save((* x), relation) : this->save((* y), relation));
}
virtual QSqlError _deleteById(const QVariant & id)
{ return this->deleteById(id); }
virtual QSqlError _deleteById(QObject * p)
{
T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
return this->deleteById(* t);
}
virtual QSqlError _deleteById(qx::IxCollection * p)
{
QX_REPOSITORY_CAST_COLLECTION
return (x ? this->deleteById(* x) : this->deleteById(* y));
}
virtual QSqlError _deleteAll()
{ return this->deleteAll(); }
virtual QSqlError _deleteByQuery(const qx::QxSqlQuery & query)
{ return this->deleteByQuery(query); }
virtual QSqlError _destroyById(const QVariant & id)
{ return this->destroyById(id); }
virtual QSqlError _destroyById(QObject * p)
{
T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
return this->destroyById(* t);
}
virtual QSqlError _destroyById(qx::IxCollection * p)
{
QX_REPOSITORY_CAST_COLLECTION
return (x ? this->destroyById(* x) : this->destroyById(* y));
}
virtual QSqlError _destroyAll()
{ return this->destroyAll(); }
virtual QSqlError _destroyByQuery(const qx::QxSqlQuery & query)
{ return this->destroyByQuery(query); }
virtual qx_bool _exist(QObject * p)
{
T * t = qxVerifyPointer<std::is_base_of<QObject, T>::value, 0>::get(p);
return this->exist(* t);
}
virtual qx_bool _exist(qx::IxCollection * p)
{
QX_REPOSITORY_CAST_COLLECTION
return (x ? this->exist(* x) : this->exist(* y));
}
virtual qx::IxCollection_ptr _newCollection() const
{
qx::IxCollection_ptr lst = std::make_shared<type_collection_boost>();
return lst;
}
virtual qx::IxClass * _getClass() const
{ return qx::QxClass<T>::getSingleton(); }
public:
static T * getById(const QVariant & id, const QStringList & columns = QStringList(), const QStringList & relation = QStringList())
{
IxDataMemberX * pDataMemberX = QxClass<T>::getSingleton()->getDataMemberX();
IxDataMember * pDataMemberId = (pDataMemberX ? pDataMemberX->getId_WithDaoStrategy() : NULL);
if (! pDataMemberId) { qAssert(false); return NULL; }
T * t = new T(); QSqlError err;
pDataMemberId->fromVariant(t, id, -1, qx::cvt::context::e_database);
if (relation.count() == 0) { err = qx::dao::fetch_by_id((* t), NULL, columns); }
else { err = qx::dao::fetch_by_id_with_relation(relation, (* t), NULL); }
if (err.isValid()) { delete t; t = NULL; }
return t;
}
};
template <class T>
inline void register_repository(const QString & sKey)
{
// 'pNewRepository' instance will be destroyed by 'qx::QxRepositoryX::unregisterRepository()' method
qx::QxRepository<T> * pNewRepository = new qx::QxRepository<T>(sKey);
Q_UNUSED(pNewRepository);
}
} // namespace qx
#endif // _QX_REPOSITORY_H_