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Revision 42d32a68

Von Christian Ehringfeld vor mehr als 9 Jahren hinzugefügt

  • ID 42d32a68633bca38c20a6d9c3d3b5bb921ce9aca
  • Vorgänger 9d62f4aa
  • Nachfolger 3ae1292f

fix...

Unterschiede anzeigen:

samples/example/main.cpp
using namespace CuteEntityManager;
int main(int argc, char *argv[]) {
Q_UNUSED(argc) Q_UNUSED(argv)
QTime t;
QTime t;
t.start();
CuteEntityManager::EntityManager *e = new
CuteEntityManager::EntityManager("QSQLITE",
QDir::currentPath() + "/db.sqlite");
// CuteEntityManager::EntityManager("QSQLITE",
// ":memory:");
CuteEntityManager::EntityManager("QSQLITE",
QDir::currentPath() + "/db.sqlite");
// CuteEntityManager::EntityManager("QSQLITE",
// ":memory:");
/**
* @brief EntityInstanceFactory::registerClass<EntityClass>
......
QThread *entityManager = new QThread();
e->moveToThread(entityManager);
QStringList inits = QStringList() << "Contact" << "Address" <<
"Pupil" << "Group";
"Pupil" << "Group";
/**
* Instead of startup(version,qstringlist) you can call method createTable of EntityManager (e->create(sharedptr))
* startup will create tables inclusive relation tables for classes in QStringList inits
......
e->startup("0.1", inits);
QSharedPointer<CuteEntityManager::Entity> p =
QSharedPointer<CuteEntityManager::Entity>(new Person("Max", "Mustermann",
Person::Gender::MALE, "", "", "",
QDate::currentDate()));
QSharedPointer<CuteEntityManager::Entity>(new Person("Max", "Mustermann",
Person::Gender::MALE, "", "", "",
QDate::currentDate()));
/** ---------------------------------
* PERSIST
* ---------------------------------
......
gPtr->setName("9b");
QSharedPointer<Entity> groupPtr = gPtr.objectCast<Entity>();
QSharedPointer<Person> mainTeacher = QSharedPointer<Person>(new Person("Max",
"Mustermann", Person::Gender::MALE));
"Mustermann", Person::Gender::MALE));
gPtr->setMainTeacher(mainTeacher);
//Persons will also persisted
//e->create(groupPtr, true, true);
/** ---------------------------------
* FIND Pupil
* ---------------------------------
*/
QSharedPointer<Entity> pupilFindPtr = e->findById(2, QString("Pupil*"));
QSharedPointer<Pupil> pupilPtr = pupilFindPtr.objectCast<Pupil>();
qDebug() << "Pupil:" << pupilPtr->toString();
qDebug() << "GroupSize:" << pupilPtr->getGroups().size();
/** ---------------------------------
* FIND Group
* ---------------------------------
*/
qDebug() << "-----------------------------";
qDebug() << "-----------------------------";
QSharedPointer<Entity> groupFindPtr = e->findById<Group *>(1);
QSharedPointer<Group> grp = groupFindPtr.objectCast<Group>();
qDebug() << "Group:" << groupFindPtr->toString();
......
(1).objectCast<Person>();
qDebug() << "FoundMainTeacher:" << foundMainTeacher->toString();
qDebug() << "FoundMainTeacherGroupSize:" <<
foundMainTeacher->getMaintainedGroups().size();
foundMainTeacher->getMaintainedGroups().size();
qDebug() << "-----------------------------";
QSharedPointer<Pupil> foundPupil = e->findById<Pupil *>
(20).objectCast<Pupil>();
(5).objectCast<Pupil>();
qDebug() << "FoundPupil:" << foundPupil->toString();
qDebug() << "FoundPupilGroupSize:" <<
foundPupil->getGroups().size();
foundPupil->getGroups().size();
qDebug() << "-----------------------------";
src/entitymanager.cpp
}
bool EntityManager::startup(QString version, QStringList toInitialize) {
DatabaseMigration *dbm = new DatabaseMigration();
QSharedPointer<Entity> ptrDbm = QSharedPointer<DatabaseMigration>(dbm);
QSharedPointer<Entity> dbm = QSharedPointer<DatabaseMigration>(new DatabaseMigration());
QHash<QString, QVariant> map = QHash<QString, QVariant>();
bool ok = true;
map.insert("version", version);
if (!this->schema->getTableNames().contains(dbm->getTablename())) {
this->createTable(ptrDbm, true);
this->createTable(dbm, true);
}
if (this->findAllByAttributes(map, dbm->getTablename()).isEmpty()) {
for (int var = 0; var < toInitialize.size(); ++var) {
......
}
}
if (ok) {
dbm->setVersion(version);
dbm->setApplyTime(QDateTime::currentDateTime());
this->create(ptrDbm);
auto dbmPtr = dbm.objectCast<DatabaseMigration>();
dbmPtr->setVersion(version);
dbmPtr->setApplyTime(QDateTime::currentDateTime());
this->create(dbm);
}
this->schema->setTables(this->schema->getTableSchemas());
}
......
}
QSharedPointer<Entity> EntityManager::findById(const qint64 &id,
QSharedPointer<Entity> &e,
const bool refresh) {
QSharedPointer<Entity> &e,
const bool refresh) {
QSharedPointer<Entity> r;
if (!e.isNull() && (refresh
|| !(r = this->cache.get(id, EntityHelper::getClassname(e.data()))))) {
......
}
QSharedPointer<Entity> EntityManager::findById(const qint64 &id,
const QString &classname) {
const QString &classname) {
QSharedPointer<Entity> e = QSharedPointer<Entity>
(EntityInstanceFactory::createInstance(classname));
(EntityInstanceFactory::createInstance(classname));
return this->findById(id, e);
}
......
bool ok = false;
if ((convertedId = id.toLongLong(&ok)) && ok && convertedId > -1) {
QString className = EntityInstanceFactory::extractEntityType(
property.typeName());
property.typeName());
QSharedPointer<Entity> ptr = QSharedPointer<Entity>();
if (refresh || !(this->cache.contains(convertedId, className)
&& (ptr = this->cache.get(convertedId, className)) && ptr)) {
......
property.typeName())));
if (e) {
QSqlQuery q = this->schema->getQueryBuilder()->oneToMany(e->getTablename(),
this->schema->getQueryBuilder()->generateColumnNameID(r.getMappedBy()),
entity->getId());
this->schema->getQueryBuilder()->generateColumnNameID(r.getMappedBy()),
entity->getId());
auto listMap = this->convertQueryResult(q);
auto entities = this->convert(listMap, EntityHelper::getClassname(e.data()), refresh);
EntityHelper::setListProperty(entity, entities, property);
......
EntityInstanceFactory::extractEntityType(property.typeName())));
if (e) {
QSqlQuery q = this->schema->getQueryBuilder()->oneToMany(
e->getTablename(),
this->schema->getQueryBuilder()->generateColumnNameID(
r.getMappedBy()),
entity->getProperty(entity->getPrimaryKey()).toLongLong(), 1);
e->getTablename(),
this->schema->getQueryBuilder()->generateColumnNameID(
r.getMappedBy()),
entity->getProperty(entity->getPrimaryKey()).toLongLong(), 1);
auto listMap = this->convertQueryResult(q);
auto entities = this->convert(listMap, EntityHelper::getClassname(e.data()), refresh);
if (!entities.isEmpty()) {
......
}
void EntityManager::savePrePersistedRelations(const QSharedPointer<Entity>
&entity) {
&entity) {
auto relations = EntityHelper::getRelationProperties(entity.data());
auto iterator = relations.constBegin();
while (iterator != relations.constEnd()) {
......
this->save(e);
auto prop = EntityHelper::mappedProperty(r,e);
if(prop.isValid()) {
EntityHelper::setProperty(e,entity,prop);
EntityHelper::setProperty(e,entity,prop);
}
}
}
......
}
void EntityManager::savePostPersistedRelations(const QSharedPointer<Entity>
&entity) {
&entity) {
auto relations = EntityHelper::getRelationProperties(entity.data());
auto iterator = relations.constBegin();
while (iterator != relations.constEnd()) {
......
this->persistManyToMany(entity, r, var);
} else if (this->canPersistRelation(r, RelationType::ONE_TO_MANY, var)) {
QList<QSharedPointer<Entity>> list = EntityInstanceFactory::castQVariantList(
var);
var);
if(!list.isEmpty()) {
auto fkProp = EntityHelper::mappedProperty(r,list.at(0));
for (int var = 0; var < list.size(); ++var) {
auto e = list.at(var);
if (this->shouldBeSaved(e, r)) {
this->save(e);
if(fkProp.isValid()) {
EntityHelper::addEntityToListProperty(e,entity,fkProp);
}
for (int var = 0; var < list.size(); ++var) {
auto e = list.at(var);
if (this->shouldBeSaved(e, r)) {
this->save(e);
if(fkProp.isValid()) {
EntityHelper::addEntityToListProperty(e,entity,fkProp);
}
}
}
}
}
} else if (r.getType() == RelationType::ONE_TO_ONE
&& !r.getMappedBy().isEmpty()) {
auto e = EntityInstanceFactory::castQVariant(var);
this->save(e);
auto fkProp = EntityHelper::mappedProperty(r,e);
if(fkProp.isValid()) {
EntityHelper::addEntityToListProperty(e,entity,fkProp);
}
auto fkProp = EntityHelper::mappedProperty(r,e);
if(fkProp.isValid()) {
EntityHelper::addEntityToListProperty(e,entity,fkProp);
}
}
}
++iterator;
......
}
void EntityManager::persistMappedByRelation(const QList<QSharedPointer<Entity> >
&list, QSqlQuery &q, const QSharedPointer<Entity> &entity,
const QSharedPointer<Entity> &ptr, const Relation &r,
const QString &tblName) {
&list, QSqlQuery &q, const QSharedPointer<Entity> &entity,
const QSharedPointer<Entity> &ptr, const Relation &r,
const QString &tblName) {
q.clear();
QList<QSharedPointer<Entity>> saved = r.getCascadeType().contains(
CascadeType::ALL)
|| r.getCascadeType().contains(CascadeType::MERGE)
|| r.getCascadeType().contains(CascadeType::PERSIST) ?
this->saveRelationEntities(list,
r) : list;
CascadeType::ALL)
|| r.getCascadeType().contains(CascadeType::MERGE)
|| r.getCascadeType().contains(CascadeType::PERSIST) ?
this->saveRelationEntities(list,
r) : list;
this->db->startTransaction();
auto builder = this->schema->getQueryBuilder();
q = builder->manyToManyInsert(tblName,
......
EntityHelper::addEntityToListProperty(ptr, entity, prop);
} else {
qDebug() << "Query exec for many to many relation failed." <<
q.lastError().text();
q.lastError().text();
qDebug() << "Involved entities: " << EntityHelper::getClassName(entity.data()) <<
"(MainEntitiy) and " << EntityHelper::getClassName(ptr.data());
"(MainEntitiy) and " << EntityHelper::getClassName(ptr.data());
qDebug() << "Relation:" << r.getPropertyName();
}
}
......
for (int var = 0; var < list.size(); ++var) {
auto entity = list.at(var);
EntityHelper::setProperty(entity, QSharedPointer<Entity>(),
metas.value(r.getMappedBy()));
metas.value(r.getMappedBy()));
this->save(entity);
}
}
......
}
void EntityManager::setNullEntityPropertyRelation(QVariant &var,
const Relation &r) {
const Relation &r) {
if (r.getCascadeType().contains(CascadeType::REMOVE)
|| r.getCascadeType().contains(CascadeType::ALL)) {
this->removeEntity(var);
......
}
void EntityManager::removeManyToManyEntityList(const QSharedPointer<Entity> &e,
const Relation &r,
QVariant &var) {
const Relation &r,
QVariant &var) {
if (!var.isNull() && var.canConvert<QVariantList>()) {
auto list = EntityInstanceFactory::castQVariantList(var);
if (!list.isEmpty()) {
......
QString tblName = builder->generateManyToManyTableName(e, ptr, r);
if (this->schema->getTables().contains(tblName)) {
QSqlQuery q = builder->manyToManyDelete(
tblName, builder->generateManyToManyColumnName(e),
e->getProperty(e->getPrimaryKey()).toLongLong());
tblName, builder->generateManyToManyColumnName(e),
e->getProperty(e->getPrimaryKey()).toLongLong());
bool refresh = r.getCascadeType().contains(CascadeType::REFRESH)
|| r.getCascadeType().contains(CascadeType::ALL);
|| r.getCascadeType().contains(CascadeType::ALL);
bool remove = r.getCascadeType().contains(CascadeType::REMOVE)
|| r.getCascadeType().contains(CascadeType::ALL);
|| r.getCascadeType().contains(CascadeType::ALL);
if (this->schema->getDatabase()->exec(q)) {
for (int var = 0; var < list.size(); ++var) {
auto entity = list.at(var);
......
}
QList<QSharedPointer<Entity>> EntityManager::saveRelationEntities(
const QList<QSharedPointer<Entity> > &list, const Relation &r) {
const QList<QSharedPointer<Entity> > &list, const Relation &r) {
QList<QSharedPointer<Entity>> saved = QList<QSharedPointer<Entity>>();
QSharedPointer<Entity> ptr;
for (int var = 0; var < list.size(); ++var) {
......
QString tblName = builder->generateManyToManyTableName(entity, ptr, r);
if (this->schema->getTables().contains(tblName)) {
QSqlQuery q = builder->manyToManyDelete(
tblName, builder->generateManyToManyColumnName(entity),
entity->getProperty(entity->getPrimaryKey()).toLongLong());
tblName, builder->generateManyToManyColumnName(entity),
entity->getProperty(entity->getPrimaryKey()).toLongLong());
if (this->db->exec(q)) {
auto nList = EntityInstanceFactory::castQVariantList(property);
this->persistMappedByRelation(nList, q, entity, ptr, r, tblName);
......
builder->generateManyToManyColumnName(entity),
entity->getProperty(entity->getPrimaryKey()).toLongLong());
auto listMap = this->convertQueryResult(q);
QMetaProperty foreignProp;
bool first = true;
// QMetaProperty foreignProp;
// bool first = true;
QSharedPointer<Entity> e = QSharedPointer<Entity>();
for (int var = 0; var < listMap.size(); ++var) {
auto id = listMap.at(var).value(builder->generateManyToManyColumnName(
......
} else {
e = this->findById(id.toLongLong(), EntityHelper::getClassname(secEntityPtr.data()));
}
if(first) {
foreignProp = EntityHelper::mappedProperty(relation,e);
first = false;
}
// if(first) {
// foreignProp = EntityHelper::mappedProperty(relation,e);
// first = false;
// }
if(e) {
EntityHelper::addEntityToListProperty(entity,e,property);
if(foreignProp.isValid()) {
EntityHelper::addEntityToListProperty(e,entity,foreignProp);
}
//if(foreignProp.isValid()) {
// EntityHelper::addEntityToListProperty(e,entity,foreignProp);
//}
}
}
} else {
......
}
QList<QSharedPointer<Entity> > EntityManager::findEntityByAttributes(
const QSharedPointer<Entity>
&entity,
bool ignoreID) {
const QSharedPointer<Entity>
&entity,
bool ignoreID) {
auto maps = this->findAllByAttributes(entity, ignoreID);
return this->convert(maps, EntityHelper::getClassname(entity.data()));
}
......
}
this->db->startTransaction();
QList<QSqlQuery> q = this->schema->getQueryBuilder()->create(
entity);
entity);
bool first = true;
QVariant id = -1;
for (int var = 0; var < q.size(); ++var) {
......
rc = this->db->exec(query);
if (!rc) {
qDebug() << "Query failed:" << query.lastError().text() << " of class " <<
EntityHelper::getClassname(entity.data());
EntityHelper::getClassname(entity.data());
break;
}
if (first) {
......
}
this->db->startTransaction();
QList<QSqlQuery> q = this->schema->getQueryBuilder()->merge(
entity);
entity);
bool ok = true;
for (int var = 0; var < q.size(); ++var) {
auto query = q.at(var);
......
}
QHash<QString, QVariant> EntityManager::findByPk(qint64 id,
const QSharedPointer<Entity>
&e) {
const QSharedPointer<Entity>
&e) {
QSqlQuery q = this->schema->getQueryBuilder()->find(id, e, 0,
e->getPrimaryKey());
e->getPrimaryKey());
auto listMap = this->convertQueryResult(q);
if (!listMap.isEmpty()) {
return listMap.at(0);
......
QList<QHash<QString, QVariant> > EntityManager::findAllByAttributes(
const QSharedPointer<Entity>
&entity,
bool ignoreID) {
const QSharedPointer<Entity>
&entity,
bool ignoreID) {
QSqlQuery q = this->schema->getQueryBuilder()->findByAttributes(
entity, ignoreID);
entity, ignoreID);
return this->convertQueryResult(q);
}
QList<QHash <QString, QVariant> > EntityManager::findAllByAttributes(
const QHash<QString, QVariant> &m, const QString &tblname, bool ignoreID) {
const QHash<QString, QVariant> &m, const QString &tblname, bool ignoreID) {
QSqlQuery q = this->schema->getQueryBuilder()->findByAttributes(m,
tblname, ignoreID);
tblname, ignoreID);
return this->convertQueryResult(q);
}
QList<QHash<QString, QVariant> > EntityManager::convertQueryResult(
QSqlQuery &q) {
QSqlQuery &q) {
QList<QHash <QString, QVariant> > listmap = QList<QHash <QString, QVariant> >();
this->db->select(q);
QSqlRecord rec = q.record();
......
}
QList<QHash <QString, QVariant> > EntityManager::findAll(
const QSharedPointer<Entity> &e) {
const QSharedPointer<Entity> &e) {
QSqlQuery q = this->schema->getQueryBuilder()->findAll(e);
return this->convertQueryResult(q);
}
......
const Relation r = iterator.key();
const QMetaProperty property = iterator.value();
QString colName = this->schema->getQueryBuilder()->generateColumnNameID(
r.getPropertyName());
r.getPropertyName());
switch (r.getType()) {
case RelationType::MANY_TO_ONE:
if (map.contains(colName)) {
......
bool EntityManager::createTable(const QSharedPointer<Entity> &entity,
bool createRelationTables) {
return this->schema->getQueryBuilder()->createTable(entity,
createRelationTables);
createRelationTables);
}
qint8 EntityManager::count(const QSharedPointer<Entity> &entity,
bool ignoreID) {
qint8 rc = -1;
QSqlQuery q = this->schema->getQueryBuilder()->count(entity,
ignoreID);
ignoreID);
this->db->select(q);
if (q.next()) {
rc = q.value(0).toInt();
......
}
QSharedPointer<Entity> EntityManager::convert(const QHash<QString, QVariant>
&map,
const char *classname,const bool refresh) {
&map,
const char *classname,const bool refresh) {
auto ptr = QSharedPointer<Entity>(EntityInstanceFactory::createInstance(
classname, map));
this->cache.insert(ptr);
......
}
QList<QSharedPointer<Entity> > EntityManager::convert(
QList<QHash<QString, QVariant> > maps,
const char *classname,const bool refresh) {
QList<QHash<QString, QVariant> > maps,
const char *classname,const bool refresh) {
auto list = QList<QSharedPointer<Entity> >();
for (int var = 0; var < maps.size(); ++var) {
auto ptr = this->convert(maps.at(var), classname, refresh);
src/querybuilder.cpp
QSqlQuery QueryBuilder::find(const qint64 &id, const QString &tableName) const {
QString pk = "id";
QSqlQuery q = this->database->getQuery(this->selectBase(QStringList(
tableName)) + " WHERE " + pk + " = " + this->placeHolder(pk) + " LIMIT 1;");
tableName)) + " WHERE " + this->schema->quoteColumnName(pk) + " = " + this->placeHolder(pk) + " LIMIT 1;");
this->bindValue(pk, id, q);
return q;
}
......
const QSharedPointer<Entity> &entity, qint64 offset, QString pk) const {
QSqlQuery q = this->database->getQuery(this->selectBase(QStringList(
entity->getTablename())) + this->joinSuperClasses(
entity) + " WHERE " + this->schema->quoteColumnName(
pk) + "= " + this->placeHolder(pk) + this->limit(1, offset));
entity) + " WHERE " + this->schema->quoteColumnName(entity->getTablename() + "." + pk) + "= " + this->placeHolder(pk) + this->limit(1, offset));
this->bindValue(pk, id, q);
return q;
}

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