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373 lines
16 KiB
373 lines
16 KiB
3 days ago
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/****************************************************************************
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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 _IX_DATA_MEMBER_H_
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#define _IX_DATA_MEMBER_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 IxDataMember.h
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* \author Lionel Marty
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* \ingroup QxDataMember
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* \brief Common interface for all class properties registered into QxOrm context
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*/
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#ifdef _MSC_VER
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#pragma warning(push)
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#pragma warning(disable:4996)
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#endif // _MSC_VER
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#include <QtCore/qmutex.h>
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#include <QtSql/qsqlquery.h>
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#ifndef _QX_NO_JSON
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#include <QtCore/qjsonvalue.h>
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#endif // _QX_NO_JSON
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#include <QxCommon/QxAny.h>
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#include <QxCommon/QxBool.h>
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#include <QxCommon/QxPropertyBag.h>
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#include <QxCollection/QxCollection.h>
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#include <QxSerialize/boost/QxSerializeInclude.h>
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#include <QxConvert/QxConvert.h>
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif // _MSC_VER
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#define QX_IX_DATA_MEMBER_PURE_VIRTUAL_ARCHIVE(ArchiveInput, ArchiveOutput) \
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virtual void toArchive(const void * pOwner, ArchiveOutput & ar) const = 0; \
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virtual void fromArchive(void * pOwner, ArchiveInput & ar) = 0;
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namespace qx {
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class IxDataMemberX;
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class IxSqlRelation;
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class IxSqlQueryBuilder;
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struct IxDataMemberSqlCallbackParams;
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namespace dao {
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namespace detail {
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class IxDao_Helper;
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} // namespace detail
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} // namespace dao
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/*!
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* \ingroup QxDataMember
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* \brief qx::IxDataMember : common interface for all class properties registered into QxOrm context
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*/
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class QX_DLL_EXPORT IxDataMember : public qx::QxPropertyBag
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{
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template <typename DataType, class Owner>
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friend class QxDataMember;
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public:
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typedef std::function<void (IxDataMemberSqlCallbackParams &)> type_fct_sql_callback;
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private:
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struct IxDataMemberImpl;
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std::unique_ptr<IxDataMemberImpl> m_pImpl; //!< Private implementation idiom
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static QMutex m_mutex; //!< Mutex => qx::IxDataMember is thread-safe
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public:
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IxDataMember(const QString & sKey, long lVersion, bool bSerialize, bool bDao, IxDataMember * pImpl);
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virtual ~IxDataMember() = 0;
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QString getKey() const;
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QString getName() const;
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int getNameCount() const;
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QString getNameParent() const;
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const char * getNamePtr() const;
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QString getDescription() const;
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QString getFormat() const;
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long getVersion() const;
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bool getSerialize() const;
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bool getDao() const;
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QVariant getDefaultValue() const;
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QVariant getMinValue() const;
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QVariant getMaxValue() const;
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int getPrecision() const;
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int getMinLength() const;
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int getMaxLength() const;
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bool getRequired() const;
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bool getReadOnly() const;
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bool getAutoIncrement() const;
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bool getNotNull() const;
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bool getIsPrimaryKey() const;
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bool getIsIndex() const;
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bool getIsUnique() const;
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IxDataMemberX * getParent() const;
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IxSqlRelation * getSqlRelation() const;
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bool hasSqlRelation() const;
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bool getAccessDataPointer() const;
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virtual QString getType() const;
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QString getTypeParent() const;
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IxDataMember * getPImpl() const;
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void setName(const QString & s);
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void setNameParent(const QString & s);
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void setDescription(const QString & s);
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void setFormat(const QString & s);
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void setSqlType(const QString & s);
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void setSqlAlias(const QString & s);
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void setVersion(long l);
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void setSerialize(bool b);
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void setDao(bool b);
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void setDefaultValue(const QVariant & v);
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void setPrecision(int i);
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void setRequired(bool b);
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void setReadOnly(bool b);
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void setAutoIncrement(bool b);
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void setIsPrimaryKey(bool b);
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void setIsIndex(bool b);
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void setIsUnique(bool b);
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void setParent(IxDataMemberX * p);
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void setSqlRelation(IxSqlRelation * p);
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void setAccessDataPointer(bool b);
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void setMinValue(long lMinValue, const QString & sMessage = QString());
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void setMinValue(double dMinValue, const QString & sMessage = QString());
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void setMaxValue(long lMaxValue, const QString & sMessage = QString());
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void setMaxValue(double dMaxValue, const QString & sMessage = QString());
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void setMinLength(int iMinLength, const QString & sMessage = QString());
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void setMaxLength(int iMaxLength, const QString & sMessage = QString());
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void setNotNull(bool bNotNull, const QString & sMessage = QString());
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bool isThereRelationPartOfPrimaryKey(int iIndexNamePK, IxSqlRelation * & pRelation, int & iIndexNameFK) const;
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bool isPartOfPrimaryKey(int iIndexNameFK, IxDataMember * & pPrimaryKey, int & iIndexNamePK) const;
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void setRelationPartOfPrimaryKey(int iIndexNamePK, IxSqlRelation * pRelation, int iIndexNameFK);
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void setPartOfPrimaryKey(int iIndexNameFK, IxDataMember * pPrimaryKey, int iIndexNamePK);
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QString getName(int iIndex, const QString & sOtherName = QString()) const;
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QString getSqlAlias(const QString & sTable = QString(), bool bClauseWhere = false, int iIndexName = 0, qx::IxSqlQueryBuilder * pSqlQueryBuilder = NULL) const;
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QString getSqlType(int iIndexName = -1) const;
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QString getSqlTypeAndParams(int iIndexName = -1) const;
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QString getSqlPlaceHolder(const QString & sAppend = QString(), int iIndexName = 0, const QString & sSep = QString(", "), const QString & sOtherName = QString(), bool bCheckFKPartOfPK = false) const;
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void setSqlPlaceHolder(QSqlQuery & query, void * pOwner, const QString & sAppend = QString(), const QString & sOtherName = QString(), bool bCheckFKPartOfPK = false, qx::QxCollection<QString, QVariantList> * pLstExecBatch = NULL) const;
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QString getSqlAliasEqualToPlaceHolder(const QString & sTable = QString(), bool bClauseWhere = false, const QString & sAppend = QString(), const QString & sSep = QString(" AND "), bool bCheckFKPartOfPK = false, qx::IxSqlQueryBuilder * pSqlQueryBuilder = NULL) const;
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QString getSqlNameEqualToPlaceHolder(const QString & sAppend = QString(), const QString & sSep = QString(" AND "), bool bCheckFKPartOfPK = false, qx::IxSqlQueryBuilder * pSqlQueryBuilder = NULL) const;
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QString getSqlTablePointNameAsAlias(const QString & sTable, const QString & sSep = QString(", "), const QString & sSuffixAlias = QString(), bool bCheckFKPartOfPK = false, const QString & sCustomAlias = QString(), qx::IxSqlQueryBuilder * pSqlQueryBuilder = NULL) const;
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QString getSqlName(const QString & sSep = QString(", "), const QString & sOtherName = QString(), bool bCheckFKPartOfPK = false, qx::IxSqlQueryBuilder * pSqlQueryBuilder = NULL) const;
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QString getSqlNameAndTypeAndParams(const QString & sSep = QString(", "), const QString & sOtherName = QString(), bool bCheckFKPartOfPK = false) const;
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void customGetSqlName(type_fct_sql_callback fct);
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void customGetSqlTablePointNameAsAlias(type_fct_sql_callback fct);
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void customGetSqlNameEqualToPlaceHolder(type_fct_sql_callback fct);
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void customGetSqlAliasEqualToPlaceHolder(type_fct_sql_callback fct);
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void customGetSqlAlias(type_fct_sql_callback fct);
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static QString getSqlFromTable(const QString & sTable, const QString & sCustomAlias = QString());
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static QString getSqlTableName(const QString & sTable);
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static QString getSqlColumnName(const QString & sColumn);
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static QString getSqlTableNameAlias(const QString & sTable);
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static QString getSqlColumnNameAlias(const QString & sColumn);
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virtual bool isEqual(const void * pOwner1, const void * pOwner2) const = 0;
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virtual QVariant toVariant(const void * pOwner, const QString & sFormat, int iIndexName = -1, qx::cvt::context::ctx_type ctx = qx::cvt::context::e_no_context) const = 0;
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virtual qx_bool fromVariant(void * pOwner, const QVariant & v, const QString & sFormat, int iIndexName = -1, qx::cvt::context::ctx_type ctx = qx::cvt::context::e_no_context) = 0;
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QVariant toVariant(const void * pOwner, int iIndexName = -1, qx::cvt::context::ctx_type ctx = qx::cvt::context::e_no_context) const;
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qx_bool fromVariant(void * pOwner, const QVariant & v, int iIndexName = -1, qx::cvt::context::ctx_type ctx = qx::cvt::context::e_no_context);
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#ifndef _QX_NO_JSON
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virtual QJsonValue toJson(const void * pOwner, const QString & sFormat) const = 0;
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virtual qx_bool fromJson(void * pOwner, const QJsonValue & j, const QString & sFormat) = 0;
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QJsonValue toJson(const void * pOwner) const;
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qx_bool fromJson(void * pOwner, const QJsonValue & j);
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#endif // _QX_NO_JSON
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protected:
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virtual qx::any getDataPtr(const void * pOwner) const = 0;
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virtual qx::any getDataPtr(void * pOwner) = 0;
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virtual void * getDataVoidPtr(const void * pOwner) const = 0;
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virtual void * getDataVoidPtr(void * pOwner) = 0;
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public:
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qx::any getValueAnyPtr(const void * pOwner) const { return this->getDataPtr(pOwner); }
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qx::any getValueAnyPtr(void * pOwner) { return this->getDataPtr(pOwner); }
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void * getValueVoidPtr(const void * pOwner) const { return this->getDataVoidPtr(pOwner); }
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void * getValueVoidPtr(void * pOwner) { return this->getDataVoidPtr(pOwner); }
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template <typename T>
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T * getValuePtr(void * pOwner, bool * bOk = NULL)
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{
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if (bOk) { (* bOk) = false; }
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if (! getAccessDataPointer()) { qDebug("[QxOrm] qx::IxDataMember::getValuePtr<T>() : '%s'", "cannot access data-member pointer"); return NULL; }
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qx::any a = this->getDataPtr(pOwner);
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try { T * t = qx::any_cast<T *>(a); if (bOk) { (* bOk) = (t != NULL); }; return t; }
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catch (const qx::bad_any_cast & err) { Q_UNUSED(err); qDebug("[QxOrm] qx::IxDataMember::getValuePtr<T>() : '%s'", "bad any cast exception"); return NULL; }
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catch (...) { qDebug("[QxOrm] qx::IxDataMember::getValuePtr<T>() : '%s'", "unknown cast exception"); return NULL; }
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}
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template <typename T>
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T getValue(void * pOwner, bool * bOk = NULL)
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{
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if (! getAccessDataPointer()) { return qxCannotAccessDataPointer<T, 0>::getValue(this, pOwner, bOk); }
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T * t = this->getValuePtr<T>(pOwner, bOk);
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return (t ? (* t) : T());
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}
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template <typename T>
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bool setValue(void * pOwner, const T & val)
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{
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if (! getAccessDataPointer()) { return qxCannotAccessDataPointer<T, 0>::setValue(this, pOwner, val); }
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T * t = this->getValuePtr<T>(pOwner);
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if (t) { (* t) = val; }
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return (t != NULL);
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}
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private:
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template <typename T, int dummy>
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struct qxCannotAccessDataPointer
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{
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static T getValue(IxDataMember * pData, void * pOwner, bool * bOk)
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{ Q_UNUSED(pData); Q_UNUSED(pOwner); qDebug("[QxOrm] qx::IxDataMember::qxCannotAccessDataPointer<T>::getValue() : '%s'", "type T not supported"); if (bOk) { (* bOk) = false; }; return T(); }
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static bool setValue(IxDataMember * pData, void * pOwner, const T & val)
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{ Q_UNUSED(pData); Q_UNUSED(pOwner); Q_UNUSED(val); qDebug("[QxOrm] qx::IxDataMember::qxCannotAccessDataPointer<T>::setValue() : '%s'", "type T not supported"); return false; }
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};
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template <int dummy>
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struct qxCannotAccessDataPointer<QVariant, dummy>
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{
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static QVariant getValue(IxDataMember * pData, void * pOwner, bool * bOk)
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{ if (bOk) { (* bOk) = (pData != NULL); }; return (pData ? pData->toVariant(pOwner, "") : QVariant()); }
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static bool setValue(IxDataMember * pData, void * pOwner, const QVariant & val)
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{ return (pData ? pData->fromVariant(pOwner, val, "").getValue() : false); }
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};
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template <int dummy>
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struct qxCannotAccessDataPointer<QString, dummy>
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{
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static QString getValue(IxDataMember * pData, void * pOwner, bool * bOk)
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{ if (bOk) { (* bOk) = (pData != NULL); }; return (pData ? pData->toVariant(pOwner, "").toString() : QString()); }
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static bool setValue(IxDataMember * pData, void * pOwner, const QString & val)
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{ QVariant tmp(val); return (pData ? pData->fromVariant(pOwner, tmp, "").getValue() : false); }
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};
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public:
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#ifdef _QX_ENABLE_BOOST_SERIALIZATION
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#if _QX_SERIALIZE_POLYMORPHIC
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QX_IX_DATA_MEMBER_PURE_VIRTUAL_ARCHIVE(boost::archive::polymorphic_iarchive, boost::archive::polymorphic_oarchive)
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#endif // _QX_SERIALIZE_POLYMORPHIC
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#if _QX_SERIALIZE_BINARY
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QX_IX_DATA_MEMBER_PURE_VIRTUAL_ARCHIVE(boost::archive::binary_iarchive, boost::archive::binary_oarchive)
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#endif // _QX_SERIALIZE_BINARY
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#if _QX_SERIALIZE_TEXT
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QX_IX_DATA_MEMBER_PURE_VIRTUAL_ARCHIVE(boost::archive::text_iarchive, boost::archive::text_oarchive)
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#endif // _QX_SERIALIZE_TEXT
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#if _QX_SERIALIZE_XML
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QX_IX_DATA_MEMBER_PURE_VIRTUAL_ARCHIVE(boost::archive::xml_iarchive, boost::archive::xml_oarchive)
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#endif // _QX_SERIALIZE_XML
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#if _QX_SERIALIZE_PORTABLE_BINARY
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QX_IX_DATA_MEMBER_PURE_VIRTUAL_ARCHIVE(eos::portable_iarchive, eos::portable_oarchive)
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#endif // _QX_SERIALIZE_PORTABLE_BINARY
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#if _QX_SERIALIZE_WIDE_BINARY
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QX_IX_DATA_MEMBER_PURE_VIRTUAL_ARCHIVE(boost::archive::binary_wiarchive, boost::archive::binary_woarchive)
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#endif // _QX_SERIALIZE_WIDE_BINARY
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#if _QX_SERIALIZE_WIDE_TEXT
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QX_IX_DATA_MEMBER_PURE_VIRTUAL_ARCHIVE(boost::archive::text_wiarchive, boost::archive::text_woarchive)
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#endif // _QX_SERIALIZE_WIDE_TEXT
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#if _QX_SERIALIZE_WIDE_XML
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QX_IX_DATA_MEMBER_PURE_VIRTUAL_ARCHIVE(boost::archive::xml_wiarchive, boost::archive::xml_woarchive)
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#endif // _QX_SERIALIZE_WIDE_XML
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#endif // _QX_ENABLE_BOOST_SERIALIZATION
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private:
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#ifdef _QX_ENABLE_BOOST_SERIALIZATION
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template <class Archive>
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void serialize(Archive & ar, const unsigned int version);
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#endif // _QX_ENABLE_BOOST_SERIALIZATION
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};
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typedef std::shared_ptr<IxDataMember> IxDataMember_ptr;
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/*!
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* \ingroup QxDataMember
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* \brief qx::IxDataMemberSqlCallbackParams : list of parameters used by custom callback functions to override SQL queries generated by QxOrm library
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||
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*/
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struct IxDataMemberSqlCallbackParams
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{
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const IxDataMember * pDataMember; //!< The data member instance which calls custom callback function
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QString & sSQL; //!< Default value is the SQL generated by QxOrm library for this data member, can be changed by the custom callback function
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||
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QString sTable; //!< SQL table name (not always provided)
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QString sSep; //!< SQL separator (not always provided)
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QString sCustomAlias; //!< SQL custom alias (not always provided)
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QString sSuffixAlias; //!< SQL suffix alias (not always provided)
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QString sAppend; //!< String to append to SQL query (not always provided)
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QString sOtherName; //!< SQL other name for this data member (not always provided)
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||
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bool bClauseWhere; //!< Define if we are building SQL in the clause WHERE or not (not always provided)
|
||
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bool bCheckFKPartOfPK; //!< Check if foreign key is part of primary key (not always provided)
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||
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int iIndexName; //!< Index name for composite primary key (not always provided)
|
||
|
qx::dao::detail::IxDao_Helper * pDaoHelper; //!< DAO helper instance
|
||
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qx::IxSqlQueryBuilder * pSqlQueryBuilder; //!< SQL query builder instance
|
||
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IxDataMemberSqlCallbackParams(const IxDataMember * p, QString & sql);
|
||
|
~IxDataMemberSqlCallbackParams();
|
||
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|
||
|
};
|
||
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} // namespace qx
|
||
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||
|
QX_DLL_EXPORT_INLINE_FCT bool operator< (const qx::IxDataMember & i1, const qx::IxDataMember & i2);
|
||
|
QX_DLL_EXPORT_INLINE_FCT bool operator> (const qx::IxDataMember & i1, const qx::IxDataMember & i2);
|
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|
||
|
#endif // _IX_DATA_MEMBER_H_
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