isEmpty(QX_BOOST_INCLUDE_PATH) { QX_BOOST_INCLUDE_PATH = $$quote(D:/Dvlp/_Libs/Boost/1_57/include) }   

   include(my_path_to_QxOrm_library/QxOrm.pri)   

   qmake
   make debug
   make release   

#ifndef _PERSON_H_
#define _PERSON_H_

class person
{
public:
   long id;
   QString firstName;
   QString lastName;
   QDateTime birthDate;

   person() : id(0) { ; }
   virtual ~person() { ; }
};

QX_REGISTER_HPP_MY_TEST_EXE(person, qx::trait::no_base_class_defined, 0)

/* This macro is necessary to register 'person' class in QxOrm context */
/* param 1 : the current class to register => 'person' */
/* param 2 : the base class, if no base class, use the qx trait => 'qx::trait::no_base_class_defined' */
/* param 3 : the class version used by serialization engine to provide 'ascendant compatibility' */

#endif // _PERSON_H_

#include "precompiled.h"   // Precompiled-header with '#include <QxOrm.h>' and '#include "export.h"'
#include "person.h"          // Class definition 'person'
#include <QxOrm_Impl.h>     // Automatic memory leak detection and boost serialization export macro

QX_REGISTER_CPP_MY_TEST_EXE(person)   // This macro is necessary to register 'person' class in QxOrm context

namespace qx {
template <> void register_class(QxClass<person> & t)
{
  t.setName("t_person");               // 'person' C++ class is mapped to 't_person' database table

  t.id(& person::id, "id");               // Register 'person::id' <=> primary key in your database
  t.data(& person::firstName, "first_name");      // Register 'person::firstName' property mapped to 'first_name' database column name
  t.data(& person::lastName, "last_name");  // Register 'person::lastName' property mapped to 'last_name' database column name
  t.data(& person::birthDate, "birth_date");  // Register 'person::birthDate' property mapped to 'birth_date' database column name
}}

   // Init parameters to connect to database
   qx::QxSqlDatabase::getSingleton()->setDriverName("QSQLITE");
   qx::QxSqlDatabase::getSingleton()->setDatabaseName("./test_qxorm.db");
   qx::QxSqlDatabase::getSingleton()->setHostName("localhost");
   qx::QxSqlDatabase::getSingleton()->setUserName("root");
   qx::QxSqlDatabase::getSingleton()->setPassword("");

   qx::dao::detail::IxSqlGenerator_ptr pSqlGenerator;
   pSqlGenerator.reset(new qx::dao::detail::QxSqlGenerator_MSSQLServer());   
   qx::QxSqlDatabase::getSingleton()->setSqlGenerator(pSqlGenerator);   

   // Create 3 drugs instances
   // It is possible to use 'boost' and 'Qt' smart pointer : 'boost::shared_ptr', 'QSharedPointer', etc...
   typedef boost::shared_ptr<drug> drug_ptr;
   drug_ptr d1; d1.reset(new drug()); d1->name = "name1"; d1->description = "desc1";
   drug_ptr d2; d2.reset(new drug()); d2->name = "name2"; d2->description = "desc2";
   drug_ptr d3; d3.reset(new drug()); d3->name = "name3"; d3->description = "desc3";

   // Insert some drugs into a container
   // It is possible to use many containers from 'std', 'boost', 'Qt' and 'qx::QxCollection<Key, Value>'
   typedef std::vector<drug_ptr> type_lst_drug;
   type_lst_drug lst_drug;
   lst_drug.push_back(d1);
   lst_drug.push_back(d2);
   lst_drug.push_back(d3);

   // Insert drugs from container to database
   // 'id' property of 'd1', 'd2' and 'd3' are auto-updated
   QSqlError daoError = qx::dao::insert(lst_drug);

   // Modify and update the second drug into database
   d2->name = "name2 modified";
   d2->description = "desc2 modified";
   daoError = qx::dao::update(d2);

   // Create a drug instance with id '18'
   drug d; d.setId(18);

   // Delete the drug with id '18' from database
   QSqlError daoError = qx::dao::delete_by_id(d);

   // Delete all drugs from database
   daoError = qx::dao::delete_all<drug>();

   // Fetch drug with id '3' into a new variable
   drug_ptr d; d.reset(new drug());
   d->id = 3;
   QSqlError daoError = qx::dao::fetch_by_id(d);

{ // Ouverture d'un scope o� une session sera instanci�e

  // Cr�ation d'une session : une connexion valide � la BDD est assign�e � la session et une transaction est d�marr�e
  qx::QxSession session;

  // Ex�cution d'une s�rie d'op�rations avec la BDD (en utilisant l'op�rateur += de la classe qx::QxSession et la connexion de la session)
  session += qx::dao::insert(my_object, session.database());
  session += qx::dao::update(my_object, session.database());
  session += qx::dao::fetch_by_id(my_object, session.database());
  session += qx::dao::delete_by_id(my_object, session.database());

  // Si la session n'est pas valide (donc une erreur s'est produite) => affichage de la 1�re erreur de la session
  if (! session.isValid()) { qDebug("[QxOrm] session error : '%s'", qPrintable(session.firstError().text())); }

} // Fermeture du scope : la session est d�truite (transaction => commit ou rollback automatique)

{ // Ouverture d'un scope o� une session sera instanci�e

  // Cr�ation d'une session : une connexion valide � la BDD est assign�e � la session et une transaction est d�marr�e
  qx::QxSession session;

  // Ex�cution d'une s�rie d'op�rations avec la BDD
  session.insert(my_object);
  session.update(my_object);
  session.fetchById(my_object);
  session.deleteById(my_object);

  // Si la session n'est pas valide (donc une erreur s'est produite) => affichage de la 1�re erreur de la session
  if (! session.isValid()) { qDebug("[QxOrm] session error : '%s'", qPrintable(session.firstError().text())); }

} // Fermeture du scope : la session est d�truite (transaction => commit ou rollback automatique)

#ifndef _QX_BASE_CLASS_TRIGGER_H_
#define _QX_BASE_CLASS_TRIGGER_H_

class QX_DLL2_EXPORT BaseClassTrigger
{

   QX_REGISTER_FRIEND_CLASS(BaseClassTrigger)

protected:

   long        m_id;
   QDateTime   m_dateCreation;
   QDateTime   m_dateModification;
   QString     m_userCreation;
   QString     m_userModification;

public:

   BaseClassTrigger() : m_id(0)  { ; }
   virtual ~BaseClassTrigger()   { ; }

   long getId() const                     { return m_id; }
   QDateTime getDateCreation() const      { return m_dateCreation; }
   QDateTime getDateModification() const  { return m_dateModification; }
   QString getUserCreation() const        { return m_userCreation; }
   QString getUserModification() const    { return m_userModification; }

   void setId(long l)                              { m_id = l; }
   void setDateCreation(const QDateTime & dt)      { m_dateCreation = dt; }
   void setDateModification(const QDateTime & dt)  { m_dateModification = dt; }
   void setUserCreation(const QString & s)         { m_userCreation = s; }
   void setUserModification(const QString & s)     { m_userModification = s; }

   void onBeforeInsert(qx::dao::detail::IxDao_Helper * dao);
   void onBeforeUpdate(qx::dao::detail::IxDao_Helper * dao);

};

QX_REGISTER_HPP_QX_DLL2(BaseClassTrigger, qx::trait::no_base_class_defined, 0)

namespace qx {
namespace dao {
namespace detail {

template <>
struct QxDao_Trigger<BaseClassTrigger>
{

   static inline void onBeforeInsert(BaseClassTrigger * t, qx::dao::detail::IxDao_Helper * dao)
   { if (t) { t->onBeforeInsert(dao); } }
   static inline void onBeforeUpdate(BaseClassTrigger * t, qx::dao::detail::IxDao_Helper * dao)
   { if (t) { t->onBeforeUpdate(dao); } }
   static inline void onBeforeDelete(BaseClassTrigger * t, qx::dao::detail::IxDao_Helper * dao)
   { Q_UNUSED(t); Q_UNUSED(dao); }
   static inline void onBeforeFetch(BaseClassTrigger * t, qx::dao::detail::IxDao_Helper * dao)
   { Q_UNUSED(t); Q_UNUSED(dao); }
   static inline void onAfterInsert(BaseClassTrigger * t, qx::dao::detail::IxDao_Helper * dao)
   { Q_UNUSED(t); Q_UNUSED(dao); }
   static inline void onAfterUpdate(BaseClassTrigger * t, qx::dao::detail::IxDao_Helper * dao)
   { Q_UNUSED(t); Q_UNUSED(dao); }
   static inline void onAfterDelete(BaseClassTrigger * t, qx::dao::detail::IxDao_Helper * dao)
   { Q_UNUSED(t); Q_UNUSED(dao); }
   static inline void onAfterFetch(BaseClassTrigger * t, qx::dao::detail::IxDao_Helper * dao)
   { Q_UNUSED(t); Q_UNUSED(dao); }

};

} // namespace detail
} // namespace dao
} // namespace qx

#endif // _QX_BASE_CLASS_TRIGGER_H_

#include "../include/precompiled.h"
#include "../include/BaseClassTrigger.h"
#include <QxOrm_Impl.h>

QX_REGISTER_CPP_QX_DLL2(BaseClassTrigger)

namespace qx {
template <> void register_class(QxClass<BaseClassTrigger> & t)
{
   IxDataMember * pData = NULL;

   pData = t.id(& BaseClassTrigger::m_id, "id");

   pData = t.data(& BaseClassTrigger::m_dateCreation, "date_creation");
   pData = t.data(& BaseClassTrigger::m_dateModification, "date_modification");
   pData = t.data(& BaseClassTrigger::m_userCreation, "user_creation");
   pData = t.data(& BaseClassTrigger::m_userModification, "user_modification");
}}

void BaseClassTrigger::onBeforeInsert(qx::dao::detail::IxDao_Helper * dao)
{
   Q_UNUSED(dao);
   m_dateCreation = QDateTime::currentDateTime();
   m_dateModification = QDateTime::currentDateTime();
   m_userCreation = "current_user_1";
   m_userModification = "current_user_1";
}

void BaseClassTrigger::onBeforeUpdate(qx::dao::detail::IxDao_Helper * dao)
{
   Q_UNUSED(dao);
   m_dateModification = QDateTime::currentDateTime();
   m_userModification = "current_user_2";
}

#ifndef _CLASS_PERSON_H_
#define _CLASS_PERSON_H_
 
class person
{

public:

   enum sex { male, female, unknown };

   long        _id;
   QString     _firstName;
   QString     _lastName;
   QDateTime   _birthDate;
   sex         _sex;

   person() : _id(0), _sex(unknown) { ; }
   person(long id) : _id(id), _sex(unknown) { ; }
   virtual ~person() { ; }

private:

   void isValid(qx::QxInvalidValueX & invalidValues);

};

QX_REGISTER_HPP_MY_EXE(person, qx::trait::no_base_class_defined, 0)

#endif // _CLASS_PERSON_H_

#include "../include/precompiled.h"

#include "../include/person.h"
#include "../include/global_validator.h"

#include <QxOrm_Impl.h>

QX_REGISTER_CPP_MY_EXE(person)

namespace qx {
template <> void register_class(QxClass<person> & t)
{
   t.id(& person::_id, "id");

   t.data(& person::_firstName, "firstName");
   t.data(& person::_lastName, "lastName");
   t.data(& person::_birthDate, "birthDate");
   t.data(& person::_sex, "sex");

   QxValidatorX<person> * pAllValidator = t.getAllValidator();
   pAllValidator->add_NotEmpty("firstName");
   pAllValidator->add_NotEmpty("lastName", "a person must have a lastname");
   pAllValidator->add_CustomValidator(& person::isValid);
   pAllValidator->add_CustomValidator_QVariant(& validateFirstName, "firstName");
   pAllValidator->add_CustomValidator_DataType<QDateTime>(& validateDateTime, "birthDate");
}}

void person::isValid(qx::QxInvalidValueX & invalidValues)
{
   // Cette m�thode est appel�e automatiquement par le module 'QxValidator' :
   // - avant d'ins�rer ou mettre � jour une instance de type 'person' par les fonctions du namespace 'qx::dao' ;
   // - en utilisant la fonction 'qx::validate()' avec pour param�tre une instance de type 'person'.

   // L'enregistrement de la m�thode 'person::isValid()' est effectu� dans la fonction de mapping :
   // pAllValidator->add_CustomValidator(& person::isValid);

   // Dans cette m�thode, il est possible de v�rifier n'importe quelle valeur de l'instance courante
   // Si une propri�t� est non valide, il suffit d'ins�rer un �l�ment dans la collection 'invalidValues'

   // Remarque : cette m�thode est d�clar�e 'private' pour forcer l'utilisateur � utiliser la fonction 'qx::validate()'
   // Mais ce n'est pas une obligation : cette m�thode peut �tre d�clar�e 'public' ou 'protected'

   // Par exemple, si on souhaite v�rifier la propri�t� '_sex' d'une personne :
   if ((_sex != male) && (_sex != female))
   { invalidValues.insert("le sexe de la personne doit �tre d�fini : masculin ou f�minin"); }
}

// Les fonctions suivantes ('validateFirstName()' et 'validateDateTime()') sont globales (non li�es � une classe)
// Elles peuvent ainsi �tre utilis�es par plusieurs classes pour valider une propri�t� (par exemple : valider la saisie d'une adresse IP).
// Ces fonctions seront appel�es automatiquement par le module 'QxValidator' :
// - avant d'ins�rer ou mettre � jour une instance de classe par les fonctions du namespace 'qx::dao' ;
// - en utilisant la fonction 'qx::validate()'.
 
void validateFirstName(const QVariant & value, const qx::IxValidator * validator, qx::QxInvalidValueX & invalidValues)
{
   // Ici, on peut tester la valeur d'une propri�t� (convertie en type QVariant)
   // Si la valeur est invalide, il suffit d'ins�rer un message � la collection 'invalidValues'

   // Par exemple, si la valeur ne doit jamais �tre �gale � "admin" :
   if (value.toString() == "admin")
   { invalidValues.insert("la valeur ne peut pas �tre �gale � 'admin'"); }
}

void validateDateTime(const QDateTime & value, const qx::IxValidator * validator, qx::QxInvalidValueX & invalidValues)
{
   // Ici, on peut tester la valeur d'une propri�t� (en conservant son vrai type, ici il s'agit de tester une date-heure de type 'QDateTime')
   // Si la valeur est invalide, il suffit d'ins�rer un message � la collection 'invalidValues'

   // Par exemple, si la date-heure doit forc�ment �tre renseign�e :
   if (! value.isValid())
   { invalidValues.insert("la date-heure doit �tre renseign�e et doit �tre valide"); }
}

person personValidate;
personValidate._lastName = "admin";
qx::QxInvalidValueX invalidValues = qx::validate(personValidate);
QString sInvalidValues = invalidValues.text();
qDebug("[QxOrm] test 'QxValidator' module :\n%s", qPrintable(sInvalidValues));

QList<qx::IxPersistable *> lst = ...;
foreach(qx::IxPersistable * p, lst)
{
   QSqlError daoError = p->qxSave();
   if (daoError.isValid()) { /* an error occured */ }
   // etc...
}

#ifndef _QX_BLOG_AUTHOR_H_
#define _QX_BLOG_AUTHOR_H_

class blog;

class QX_BLOG_DLL_EXPORT author : public qx::IxPersistable
{
   QX_PERSISTABLE_HPP(author)
public:
// -- typedef
   typedef boost::shared_ptr<blog> blog_ptr;
   typedef std::vector<blog_ptr> list_blog;
// -- enum
   enum enum_sex { male, female, unknown };
// -- propri�t�s
   QString     m_id;
   QString     m_name;
   QDate       m_birthdate;
   enum_sex    m_sex;
   list_blog   m_blogX;
// -- constructeur, destructeur virtuel
   author() : m_id(0), m_sex(unknown) { ; }
   virtual ~author() { ; }
// -- m�thodes
   int age() const;
};

QX_REGISTER_PRIMARY_KEY(author, QString)
QX_REGISTER_HPP_QX_BLOG(author, qx::trait::no_base_class_defined, 0)

typedef boost::shared_ptr<author> author_ptr;
typedef qx::QxCollection<QString, author_ptr> list_author;

#endif // _QX_BLOG_AUTHOR_H_

#include "../include/precompiled.h"

#include "../include/author.h"
#include "../include/blog.h"

#include <QxOrm_Impl.h>

QX_REGISTER_CPP_QX_BLOG(author)
QX_PERSISTABLE_CPP(author)

namespace qx {
template <> void register_class(QxClass<author> & t)
{
   t.id(& author::m_id, "author_id");

   t.data(& author::m_name, "name");
   t.data(& author::m_birthdate, "birthdate");
   t.data(& author::m_sex, "sex");

   t.relationOneToMany(& author::m_blogX, "list_blog", "author_id");

   t.fct_0<int>(& author::age, "age");
}}

int author::age() const
{
   if (! m_birthdate.isValid()) { return -1; }
   return (QDate::currentDate().year() - m_birthdate.year());
}

#ifndef _QX_BLOG_BLOG_H_
#define _QX_BLOG_BLOG_H_

class author;
class comment;
class category;

class QX_BLOG_DLL_EXPORT blog
{

   QX_REGISTER_FRIEND_CLASS(blog)

private:

   struct blog_impl;
   std::unique_ptr<blog_impl> m_pImpl; //!< Private implementation idiom

public:

   blog();
   virtual ~blog();

   blog(const blog & other);
   blog & operator=(const blog & other);

#ifdef Q_COMPILER_RVALUE_REFS
   blog(blog && other) Q_DECL_NOEXCEPT;
   blog & operator=(blog && other) Q_DECL_NOEXCEPT;
#endif // Q_COMPILER_RVALUE_REFS

   long id() const;
   QString text() const;
   QDateTime dateCreation() const;

   void setId(long l);
   void setText(const QString & s);
   void setDateCreation(const QDateTime & d);

   std::shared_ptr<author> & getAuthor();
   QList< std::shared_ptr<comment> > & listOfComments();
   qx::QxCollection<long, QSharedPointer<category> > & listOfCategories();

};

QX_REGISTER_HPP_QX_BLOG(blog, qx::trait::no_base_class_defined, 0)

typedef std::shared_ptr<blog> blog_ptr;
typedef std::vector<blog_ptr> list_blog;

#endif // _QX_BLOG_BLOG_H_

#include "../include/precompiled.h"

#include "../include/blog.h"
#include "../include/author.h"
#include "../include/comment.h"
#include "../include/category.h"

#include <QxOrm_Impl.h>

QX_REGISTER_CPP_QX_BLOG(blog)

struct Q_DECL_HIDDEN blog::blog_impl
{
   long           m_id;
   QString        m_text;
   QDateTime      m_dt_creation;
   author_ptr     m_author;
   list_comment   m_commentX;
   list_category  m_categoryX;

   blog_impl() : m_id(0) { ; }
   ~blog_impl() { ; }
};

namespace qx {
template <> void register_class(QxClass<blog> & t)
{
   IxDataMember * pImpl = t.pimpl(& blog::m_pImpl);

   t.id(& blog::blog_impl::m_id, "blog_id", 0, pImpl);

   t.data(& blog::blog_impl::m_text, "blog_text", 0, true, true, pImpl);
   t.data(& blog::blog_impl::m_dt_creation, "date_creation", 0, true, true, pImpl);

   t.relationManyToOne(& blog::blog_impl::m_author, "author_id", 0, pImpl);
   t.relationOneToMany(& blog::blog_impl::m_commentX, "list_comment", "blog_id", 0, pImpl);
   t.relationManyToMany(& blog::blog_impl::m_categoryX, "list_category", "category_blog", "blog_id", "category_id", 0, pImpl);
}}

blog::blog() : m_pImpl(new blog_impl()) { ; }

blog::~blog() { ; }

blog::blog(const blog & other) : m_pImpl(new blog_impl(* other.m_pImpl)) { ; }

blog & blog::operator=(const blog & other)
{
   if (this != (& other)) { (* m_pImpl) = (* other.m_pImpl); }
   return (* this);
}

#ifdef Q_COMPILER_RVALUE_REFS
blog::blog(blog && other) Q_DECL_NOEXCEPT : m_pImpl(std::move(other.m_pImpl)) { ; }
blog & blog::operator=(blog && other) Q_DECL_NOEXCEPT { if (this != (& other)) { m_pImpl = std::move(other.m_pImpl); }; return (* this); }
#endif // Q_COMPILER_RVALUE_REFS

long blog::id() const { return m_pImpl->m_id; }

QString blog::text() const { return m_pImpl->m_text; }

QDateTime blog::dateCreation() const { return m_pImpl->m_dt_creation; }

void blog::setId(long l) { m_pImpl->m_id = l; }

void blog::setText(const QString & s) { m_pImpl->m_text = s; }

void blog::setDateCreation(const QDateTime & d) { m_pImpl->m_dt_creation = d; }

std::shared_ptr<author> & blog::getAuthor() { return m_pImpl->m_author; }

QList< std::shared_ptr<comment> > & blog::listOfComments() { return m_pImpl->m_commentX; }

qx::QxCollection<long, QSharedPointer<category> > & blog::listOfCategories() { return m_pImpl->m_categoryX; }

#ifndef _PERSIST_EXTOBJECT3D_H_
#define _PERSIST_EXTOBJECT3D_H_

#include "ExtObject3D.h"

#include <boost/serialization/serialization.hpp>
#include <boost/serialization/split_free.hpp>
#include <boost/serialization/nvp.hpp>
 
namespace boost {
namespace serialization {

template <class Archive>
void save(Archive & ar, const ExtObject3D & t, unsigned int version)
{
   Q_UNUSED(version);
   double x(t.getX()), y(t.getY()), z(t.getZ()), angle(t.getAngle());

   ar << boost::serialization::make_nvp("x", x);
   ar << boost::serialization::make_nvp("y", y);
   ar << boost::serialization::make_nvp("z", z);
   ar << boost::serialization::make_nvp("angle", angle);
}

template <class Archive>
void load(Archive & ar, ExtObject3D & t, unsigned int version)
{
   Q_UNUSED(version);
   double x(0.0), y(0.0), z(0.0), angle(0.0);

   ar >> boost::serialization::make_nvp("x", x);
   ar >> boost::serialization::make_nvp("y", y);
   ar >> boost::serialization::make_nvp("z", z);
   ar >> boost::serialization::make_nvp("angle", angle);

   t.setX(x);
   t.setY(y);
   t.setZ(z);
   t.setAngle(angle);
}

} // namespace serialization
} // namespace boost
 
BOOST_SERIALIZATION_SPLIT_FREE(ExtObject3D)

#endif // _PERSIST_EXTOBJECT3D_H_

namespace qx {
namespace cvt {
namespace detail {

template <> struct QxConvert_ToVariant< ExtObject3D > {
static inline QVariant toVariant(const ExtObject3D & t, const QString & format, int index, qx::cvt::context::ctx_type ctx)
{ /* Ici je convertis ExtObject3D en QVariant */ } };

template <> struct QxConvert_FromVariant< ExtObject3D > {
static inline qx_bool fromVariant(const QVariant & v, ExtObject3D & t, const QString & format, int index, qx::cvt::context::ctx_type ctx)
{ /* Ici je convertis QVariant en ExtObject3D */; return qx_bool(true); } };

} // namespace detail
} // namespace cvt
} // namespace qx

#ifndef _MY_CUSTOM_PERSISTABLE_TYPE_H_
#define _MY_CUSTOM_PERSISTABLE_TYPE_H_

#ifdef _MSC_VER
#pragma once
#endif

#include <QxOrm.h>

class MyPersistableType
{
   /* What you want here */
};

QX_REGISTER_CLASS_NAME(MyPersistableType)
QX_CLASS_VERSION(MyPersistableType, 0)

QDataStream & operator<< (QDataStream & stream, const MyPersistableType & t)
{
   /* Your implementation here */
}

QDataStream & operator>> (QDataStream & stream, MyPersistableType & t)
{
   /* Your implementation here */
}

namespace qx {
namespace cvt {
namespace detail {

template <> struct QxConvert_ToVariant< MyPersistableType > {
static inline QVariant toVariant(const MyPersistableType & t, const QString & format, int index, qx::cvt::context::ctx_type ctx)
{
   /* Here I convert from MyPersistableType to QVariant */
} };

template <> struct QxConvert_FromVariant< MyPersistableType > {
static inline qx_bool fromVariant(const QVariant & v, MyPersistableType & t, const QString & format, int index, qx::cvt::context::ctx_type ctx)
{
   /* Here I convert from QVariant to MyPersistableType */
   return qx_bool(true);
} };

} // namespace detail
} // namespace cvt
} // namespace qx

#ifndef _QX_NO_JSON

namespace qx {
namespace cvt {
namespace detail {

template <>
struct QxConvert_ToJson< MyPersistableType >
{
   static inline QJsonValue toJson(const MyPersistableType & t, const QString & format)
   {
      /* Your implementation here */
   }
};

template <>
struct QxConvert_FromJson< MyPersistableType >
{
   static inline qx_bool fromJson(const QJsonValue & j, MyPersistableType & t, const QString & format)
   {
      /* Your implementation here */
   }
};

} // namespace detail
} // namespace cvt
} // namespace qx

#endif // _QX_NO_JSON

// ------------------------------------
// If you are using boost serialization, you have also to implement save/load functions like above 'ExtObject3D' example
// ------------------------------------

#endif // _MY_CUSTOM_PERSISTABLE_TYPE_H_

QApplication app(argc, argv);
app.setProperty("DomainVersion", 1); // Version increment�e � chaque compilation et diffusion de l'application

#ifndef _DATABASE_VERSION_H_
#define _DATABASE_VERSION_H_
 
class MY_DLL_EXPORT DatabaseVersion
{
public:
  QString name;
  long version;
};

QX_REGISTER_HPP_MY_APP(DatabaseVersion, qx::trait::no_base_class_defined, 0)

#endif // _DATABASE_VERSION_H_

#include "../include/precompiled.h"
#include "../include/DatabaseVersion.h"
#include <QxOrm_Impl.h>
 
QX_REGISTER_CPP_MY_APP(DatabaseVersion)

namespace qx {
template <> void register_class(QxClass<DatabaseVersion> & t)
{
  t.id(& DatabaseVersion::name, "name");
  t.data(& DatabaseVersion::version, "version");
}}

bool isDatabaseVersionOld()
{
  DatabaseVersion dbVersion;
  dbVersion.name = "MyAppName";
  QSqlError err = qx::dao::fetch_by_id(dbVersion);
  if (err.isValid()) { qAssert(false); return false; }
  return (dbVersion.version < qApp->property("DomainVersion").toInt());
}

void updateDatabaseVersion()
{
  try
  {
    int domainVersion = qApp->property("DomainVersion").toInt();

    // On se connecte avec un utilisateur de la base de donn�es qui a les droits de modifications du sch�ma
    QSqlDatabase db = qx::QxSqlDatabase::getSingleton()->getDatabaseCloned();
    db.setUserName("MyAdminLogin");
    db.setPassword("MyAdminPassword");

    // On s'assure que la session d�marre une transaction et l�ve une exception � la moindre erreur
    qx::QxSession session(db, true, true);

    // On "fetch" la version de la base de donn�es avec un verrou pour �viter les modifications concurrentes !
    // Si plusieurs utilisateurs lancent l'application en m�me temps et qu'une mise � jour
    // est n�cessaire, le premier fera la mise � jour, et les autres seront en attente
    DatabaseVersion dbVersion;
    session.fetchByQuery(qx_query("WHERE name='MyAppName' FOR UPDATE"), dbVersion);

    // Pour les autres utilisateurs, une fois le verrou lev�, on v�rifie si la mise � jour est toujours n�cessaire
    if (dbVersion.version >= domainVersion) { return; }

    // On ex�cute chaque instruction SQL avec la variable "query"
    QSqlQuery query(db);

    // On r�cup�re toutes les classes persistantes C++ enregistr�es dans le contexte QxOrm
    qx::QxCollection<QString, qx::IxClass *> * pAllClasses = qx::QxClassX::getAllClasses();
    if (! pAllClasses) { qAssert(false); return; }

    // on r�cup�re la liste des tables existantes dans la base (fonction de Qt)
    QStringList tables = db.tables();

    for (long k = 0; k < pAllClasses->count(); k++)
    {
      qx::IxClass * pClass = pAllClasses->getByIndex(k);
      if (! pClass) { continue; }

      // Filtre les classes non persistantes
      if (pClass->isKindOf("qx::service::IxParameter") || pClass->isKindOf("qx::service::IxService")) { continue; }

      // Filtre les classes � jour : si la version de pClass est <= � la version enregistr�e dans la base, la mise � jour n'est pas n�cessaire
      if (pClass->getVersion() <= dbVersion.version) { continue; }

      // On cr�e la table si elle n'existe pas, et on d�finit son propri�taire
      if (! tables.contains(pClass->getName()))
      {
        query.exec("CREATE TABLE " + pClass->getName() + " ( ) WITH (OIDS = FALSE);"
                   "ALTER TABLE " + pClass->getName() + " OWNER TO \"MyAdminLogin\";");
        session += query.lastError();
      }

      // On ajoute les colonnes � la table si elles n'existent pas
      qx::IxDataMemberX * pDataMemberX = pClass->getDataMemberX();
      for (long l = 0; (pDataMemberX && (l < pDataMemberX->count_WithDaoStrategy())); l++)
      {
        qx::IxDataMember * p = pDataMemberX->get_WithDaoStrategy(l);
        if (! p || (p->getVersion() <= dbVersion.version)) { continue; }

        query.exec("ALTER TABLE " + pClass->getName() + " ADD COLUMN " + p->getName() + " " + p->getSqlType() + ";");
        session += query.lastError();

        if (p->getIsPrimaryKey()) // PRIMARY KEY
        {
          query.exec("ALTER TABLE " + pClass->getName() + " ADD PRIMARY KEY (" + p->getName() + ");");
          session += query.lastError();
        }

        if (p->getAllPropertyBagKeys().contains("INDEX")) // INDEX
        {
          query.exec("CREATE INDEX " + pClass->getName() + "_" + p->getName() + "_idx" + 
                     " ON " + pClass->getName() + " USING " + p->getPropertyBag("INDEX").toString() + " (" + p->getName() + ");");
          session += query.lastError();
        }

        if (p->getNotNull()) // NOT NULL
        {
          query.exec("ALTER TABLE " + pClass->getName() + " ALTER COLUMN " + p->getName() + " SET NOT NULL;");
          session += query.lastError();
        }

        if (p->getAutoIncrement()) // AUTO INCREMENT
        {
          query.exec("CREATE SEQUENCE " + pClass->getName() + "_" + p->getName() + "_seq" + "; "
                     "ALTER TABLE " + pClass->getName() + "_" + p->getName() + "_seq" + " OWNER TO \"MyAdminLogin\"; "
                     "ALTER TABLE " + pClass->getName() + " ALTER COLUMN " + p->getName() + " " +
                     "SET DEFAULT nextval('" + pClass->getName() + "_" + p->getName() + "_seq" + "'::regclass);");
          session += query.lastError();
        }

        if (p->getDescription() != "") // DESCRIPTION
        {
          // $$ceci est un texte ne n�cessitant pas de caract�res d'�chappement dans postgres grace aux doubles dolars$$
          query.exec("COMMENT ON COLUMN " + pClass->getName() + "." + p->getName() + " IS $$" + p->getDescription() + "$$ ;");
          session += query.lastError();
        }
      }
    }

    // On enregistre la version courante de la base de donn�es
    dbVersion.version = domainVersion;
    session.save(dbVersion);

    // Fin du block "try" : la session est d�truite => commit ou rollback automatique
    // De plus, un commit ou rollback sur la transaction l�ve automatiquement le verrou pos� pr�c�demment
  }
  catch (const qx::dao::sql_error & err)
  {
    QSqlError sqlError = err.get();
    qDebug() << sqlError.databaseText();
    qDebug() << sqlError.driverText();
    qDebug() << sqlError.number();
    qDebug() << sqlError.type();
  }
}

"bool" <-> "SMALLINT"
"qx_bool" <-> "SMALLINT"
"short" <-> "SMALLINT"
"int" <-> "INTEGER"
"long" <-> "INTEGER"
"long long" <-> "INTEGER"
"float" <-> "FLOAT"
"double" <-> "FLOAT"
"long double" <-> "FLOAT"
"unsigned short" <-> "SMALLINT"
"unsigned int" <-> "INTEGER"
"unsigned long" <-> "INTEGER"
"unsigned long long" <-> "INTEGER"
"std::string" <-> "TEXT"
"std::wstring" <-> "TEXT"
"QString" <-> "TEXT"
"QVariant" <-> "TEXT"
"QUuid" <-> "TEXT"
"QDate" <-> "DATE"
"QTime" <-> "TIME"
"QDateTime" <-> "TIMESTAMP"
"QByteArray" <-> "BLOB"
"qx::QxDateNeutral" <-> "TEXT"
"qx::QxTimeNeutral" <-> "TEXT"
"qx::QxDateTimeNeutral" <-> "TEXT"

QHash<QString, QString> * lstSqlType = qx::QxClassX::getAllSqlTypeByClassName();
lstSqlType->insert("QString", "VARCHAR(255)");
lstSqlType->insert("std::string", "VARCHAR(255)");
// etc.

namespace qx {
template <> void register_class(QxClass<MyClass> & t)
{
  //...
  IxDataMember * p =  t.data(& MyClass::m_MyProperty, "my_property");
  p->setSqlType("VARCHAR(255)");
  //...
}}

QX_REGISTER_TRAIT_GET_SQL_TYPE(MyClass, "my_sql_type")

class MyWidget : public QWidget
{ Q_OBJECT

   //...
   qx::QxDaoAsync m_daoAsync;
   //...
Q_SLOTS:
   void onQueryFinished(const QSqlError & daoError, qx::dao::detail::QxDaoAsyncParams_ptr pDaoParams);
   //...

};

MyWidget::MyWidget() : QObject()
{
   //...
   QObject::connect((& m_daoAsync), SIGNAL(queryFinished(const QSqlError &, qx::dao::detail::QxDaoAsyncParams_ptr)), 
                    this, SLOT(onQueryFinished(const QSqlError &, qx::dao::detail::QxDaoAsyncParams_ptr)));
   //...
}

void MyWidget::onQueryFinished(const QSqlError & daoError, qx::dao::detail::QxDaoAsyncParams_ptr pDaoParams)
{
   if (! pDaoParams) { return; }
   qx::QxSqlQuery query = pDaoParams->query;
   if (! daoError.isValid()) { ; }
   // If the async query is associated to a simple object, just use 'pDaoParams->pInstance' method
   qx::IxPersistable_ptr ptr = pDaoParams->pInstance;
   // If the async query is associated to a list of objects, just use 'pDaoParams->pListOfInstances' method
   qx::IxPersistableCollection_ptr lst = pDaoParams->pListOfInstances;
   //...
}

// D�fini le co�t maximum du cache � 500
qx::cache::max_cost(500);

// R�cup�re une liste de 'author' de la base de donn�es
boost::shared_ptr< QList<author> > list_author;
QSqlError daoError = qx::dao::fetch_all(list_author);

// Ins�re la liste de 'author' dans le cache
qx::cache::set("list_author", list_author);

// R�cup�re une liste de 'blog' de la base de donn�es
QSharedPointer< std::vector<blog> > list_blog;
daoError = qx::dao::fetch_all(list_blog);

// Ins�re la liste de 'blog' dans le cache (co�t = nombre de 'blog')
qx::cache::set("list_blog", list_blog, list_blog.count());

// Pointeur vers un objet de type 'comment'
comment_ptr my_comment;
my_comment.reset(new comment(50));
daoError = qx::dao::fetch_by_id(my_comment);

// Ins�re le 'comment' dans le cache en pr�cisant une date-heure d'insertion
qx::cache::set("comment", my_comment, 1, my_comment->dateModif());

// R�cup�re la liste de 'blog' stock�e dans le cache
list_blog = qx::cache::get< QSharedPointer< std::vector<blog> > >("list_blog");

// R�cup�re la liste de 'blog' sans pr�ciser le type
qx_bool bGetOk = qx::cache::get("list_blog", list_blog);

// Supprime du cache la liste de 'author'
bool bRemoveOk = qx::cache::remove("list_author");

// Compte le nombre d'�l�ments du cache
long lCount = qx::cache::count();

// R�cup�re le co�t actuel des �l�ments stock�s dans le cache
long lCurrentCost = qx::cache::current_cost();

// V�rifie qu'un �l�ment associ� � la cl� "comment" existe dans le cache
bool bExist = qx::cache::exist("comment");

// R�cup�re le 'comment' stock� dans le cache avec sa date-heure d'insertion
QDateTime dt;
bGetOk = qx::cache::get("comment", my_comment, dt);

// Vide le cache
qx::cache::clear();

#ifndef _QX_TEST_QT_META_PROPERTY_H_
#define _QX_TEST_QT_META_PROPERTY_H_
 
class QX_DLL1_EXPORT TestQtProperty : public QObject
{

   Q_OBJECT
   Q_PROPERTY(int id READ id WRITE setId)
   Q_PROPERTY(long number READ number WRITE setNumber)
   Q_PROPERTY(QString desc READ desc WRITE setDesc)
   Q_PROPERTY(QDateTime birthDate READ birthDate WRITE setBirthDate)
   Q_PROPERTY(QVariant photo READ photo WRITE setPhoto)

protected:

   int         m_id;
   long        m_number;
   QString     m_desc;
   QDateTime   m_birthDate;
   QVariant    m_photo;

public:

   TestQtProperty() : QObject(), m_id(0), m_number(0) { ; }
   virtual ~TestQtProperty() { ; }

   int id() const                { return m_id; }
   long number() const           { return m_number; }
   QString desc() const          { return m_desc; }
   QDateTime birthDate() const   { return m_birthDate; }
   QVariant photo() const        { return m_photo; }

   void setId(int i)                         { m_id = i; }
   void setNumber(long l)                    { m_number = l; }
   void setDesc(const QString & s)           { m_desc = s; }
   void setBirthDate(const QDateTime & dt)   { m_birthDate = dt; }
   void setPhoto(const QVariant & v)         { m_photo = v; }
 
};

QX_REGISTER_HPP_QX_DLL1(TestQtProperty, QObject, 0)

#endif // _QX_TEST_QT_META_PROPERTY_H_

#include "../include/precompiled.h"

#include "../include/TestQtProperty.h"

#include <QxOrm_Impl.h>
 
QX_REGISTER_CPP_QX_DLL1(TestQtProperty)
QX_REGISTER_ALL_QT_PROPERTIES(TestQtProperty, "id")

namespace qx {
template <> void register_class(QxClass<TestQtProperty> & t)
{ qx::register_all_qt_properties<TestQtProperty>(t, "id"); }
} // namespace qx

#ifndef _PERSON_H_
#define _PERSON_H_

class person
{
public:
   long id;
   QString firstName;
   QString lastName;
   QDateTime birthDate;

   person() : id(0) { ; }
   virtual ~person() { ; }
};

QX_REGISTER_HPP_MY_TEST_EXE(person, qx::trait::no_base_class_defined, 0)

#endif // _PERSON_H_

namespace qx {
template <> void register_class(QxClass<person> & t)
{
  t.id(& person::id, "id");
  t.data(& person::firstName, "first_name", 0);
  t.data(& person::lastName, "last_name", 0);
  t.data(& person::birthDate, "birth_date", 0);
}}

#ifndef _PERSON_H_
#define _PERSON_H_

class person
{
public:
   long id;
   QString firstName;
   QString lastName;
   QDateTime birthDate;
   QString sex;
   QString address;

   person() : id(0) { ; }
   virtual ~person() { ; }
};

QX_REGISTER_HPP_MY_TEST_EXE(person, qx::trait::no_base_class_defined, 1)

#endif // _PERSON_H_

namespace qx {
template <> void register_class(QxClass<person> & t)
{
  t.id(& person::id, "id");
  t.data(& person::firstName, "first_name", 0);
  t.data(& person::lastName, "last_name", 0);
  t.data(& person::birthDate, "birth_date", 0);
  t.data(& person::sex, "sex", 1);
  t.data(& person::address, "address", 1);
}}

   // Fetch a drug with id '3' in a new variable
   // drug is a C++ class registered in QxOrm context
   drug d;
   d.id = 3;
   QSqlError daoError = qx::dao::fetch_by_id(d);

   // Serialize the drug to a file
   qx::serialization::qt::to_file(d, "export_drug.txt");

   // Import drug from file in a new instance
   drug d2;
   qx::serialization::qt::from_file(d2, "export_drug.txt");

   // Check if d == d2
   qAssert(d == d2);

   // Fetch a list of authors from database and serialize them to a JSON file
   list_author list_of_author;
   qx::dao::fetch_all(list_of_author);
   qx::serialization::json::to_file(list_of_author, "list_of_author.json");

// Serialize a C++ instance to a JSON string
QString jsonFormat = "filter: { blog_text } | author_id { name, birthdate } | list_comment { comment_text } -> blog_id -> *";
QString outputJsonFiltered = qx::serialization::json::to_string(blog, 1, jsonFormat);
qDebug("[QxOrm] custom JSON serialization process (filtered) : \n%s", qPrintable(outputJsonFiltered));

// Fill a C++ instance based on a JSON string
blog_ptr blogFromJsonFiltered; blogFromJsonFiltered.reset(new blog());
qx::serialization::json::from_string(blogFromJsonFiltered, outputJsonFiltered, 1, jsonFormat);
qx::dump(blogFromJsonFiltered);
qAssert(blogFromJsonFiltered->m_text != ""); // Fetched
qAssert(blogFromJsonFiltered->m_dt_creation.isNull()); // Not fetched
qAssert(blogFromJsonFiltered->m_author->m_sex == author::unknown); // Not fetched
qAssert(blogFromJsonFiltered->m_author->m_name != ""); // Fetched
qAssert(blogFromJsonFiltered->m_commentX.size() > 0);
qAssert(blogFromJsonFiltered->m_commentX[0]->m_dt_create.isNull()); // Not fetched
qAssert(blogFromJsonFiltered->m_commentX[0]->m_text != ""); // Fetched
qAssert(blogFromJsonFiltered->m_commentX[0]->m_blog);