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Revision 4f3b13f3

Von Christian Ehringfeld vor mehr als 9 Jahren hinzugefügt

  • ID 4f3b13f360dfe2be022ba9032a86d412c0068703
  • Vorgänger e5ce87e2
  • Nachfolger 244c6d53

wip persiting relations

Unterschiede anzeigen:

src/entitymanager.cpp
return schema;
}
void EntityManager::refresh(QSharedPointer<Entity> &entity) {
entity = this->findById(entity.data()->getId(),
QString(entity.data()->getClassname()));
}
void EntityManager::setSchema(const QSharedPointer<Schema> &value) {
schema = value;
}
......
EntityManager::connectionNames.removeOne(name);
}
QSharedPointer<Entity> EntityManager::findById(const qint64 &id, Entity *&e) {
QSharedPointer<Entity> EntityManager::findById(const qint64 &id, Entity *&e,
const bool refresh) {
QSharedPointer<Entity> r;
if (e) {
if ((r = this->cache.get(id, QString(e->getClassname()))) && !r.data()) {
if (refresh || ((r = this->cache.get(id, QString(e->getClassname())))
&& !r.data())) {
auto map = this->findByPk(id, e->getTablename());
r = this->convert(map, e->getClassname());
r = this->convert(map, e->getClassname(), refresh);
}
delete e;
}
......
const QString &classname) {
Entity *e = EntityInstanceFactory::createInstance(classname);
return this->findById(id, e);
}
QSharedPointer<Entity> EntityManager::convert(const QHash<QString, QVariant>
&map,
const char *classname) {
const char *classname, const bool refresh) {
auto ptr = QSharedPointer<Entity>(EntityInstanceFactory::createInstance(
classname, map));
this->resolveRelations(ptr, map);
this->resolveRelations(ptr, map, refresh);
this->cache.insert(ptr);
return ptr;
}
QList<QSharedPointer<Entity> > EntityManager::convert(
QList<QHash<QString, QVariant> > maps,
const char *classname) {
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);
auto ptr = this->convert(maps.at(var), classname, refresh);
list.append(ptr);
this->cache.insert(ptr);
}
......
void EntityManager::manyToOne(const QSharedPointer<Entity> &entity,
const QVariant &id,
const QMetaProperty &property) {
const QMetaProperty &property, const bool refresh) {
qint64 convertedId = -1;
bool ok = false;
if ((convertedId == id.toLongLong(&ok)) && ok && convertedId > -1) {
QString className = EntityInstanceFactory::extractEntityType(
property.typeName());
QSharedPointer<Entity> ptr = QSharedPointer<Entity>();
if (!(this->cache.contains(convertedId, className)
&& (ptr = this->cache.get(convertedId, className)) && ptr.data())) {
if (refresh || !(this->cache.contains(convertedId, className)
&& (ptr = this->cache.get(convertedId, className)) && ptr.data())) {
ptr = this->findById(convertedId, className);
}
this->setProperty(entity, ptr, property);
......
void EntityManager::oneToMany(const QSharedPointer<Entity> &entity,
const Relation &r,
const QMetaProperty &property) {
const QMetaProperty &property, const bool refresh) {
if (entity.data() && entity.data()->getId() > -1) {
Entity *e = EntityInstanceFactory::createInstance(
EntityInstanceFactory::extractEntityType(
......
void EntityManager::oneToOne(const QSharedPointer<Entity> &entity,
const Relation &r,
const QMetaProperty &property,
const QMetaProperty &property, const bool refresh,
const QVariant &id) {
if (r.getMappedBy().isEmpty()) {
this->manyToOne(entity, id, property);
......
}
}
const bool EntityManager::canPersistRelation(const Relation &relation,
const RelationType &r, const QVariant &var) const {
return relation.getType() == r
&& var.canConvert<QList<QSharedPointer<Entity>>>();
}
void EntityManager::setListProperty(const QSharedPointer<Entity> &entity,
QList<QSharedPointer<Entity> > &list,
......
}
}
void EntityManager::saveRelations(const QSharedPointer<Entity> &entity) {
auto relations = entity.data()->getRelationProperties();
auto iterator = relations.constBegin();
while (iterator != relations.constEnd()) {
const Relation r = iterator.key();
/**
* @TODO cascade types
*/
auto var = iterator.value().read(entity.data());
if (this->canPersistRelation(r, MANY_TO_MANY, var)) {
/**
@TODO
*/
} else if (this->canPersistRelation(r, ONE_TO_MANY, var)) {
QList<QSharedPointer<Entity>> list =
qvariant_cast<QList<QSharedPointer<Entity>>>(var);
for (int var = 0; var < list.size(); ++var) {
auto entity = list.at(var);
this->save(entity);
}
} else if (r.getType() == ONE_TO_ONE && !r.getMappedBy().isEmpty()
&& var.canConvert<QSharedPointer<Entity>>()) {
auto entity = qvariant_cast<QSharedPointer<Entity>>(var);
this->save(entity);
}
++iterator;
}
}
void EntityManager::manyToMany(const QSharedPointer<Entity> &entity,
const Relation &r,
const QMetaProperty &property) {
const QMetaProperty &property, const bool refresh) {
Entity *secEntity = EntityInstanceFactory::createInstance(
EntityInstanceFactory::extractEntityType(
QString(
......
}
}
QList<QHash<QString, QVariant> > EntityManager::convertQueryResult(
QSqlQuery &q) {
QList<QHash <QString, QVariant> > listmap = QList<QHash <QString, QVariant> >();
......
}
void EntityManager::resolveRelations(const QSharedPointer<Entity> &entity,
const QHash<QString, QVariant> &map) {
const QHash<QString, QVariant> &map, const bool refresh) {
auto props = entity.data()->getRelationProperties();
auto iterator = props.constBegin();
while (iterator != props.constEnd()) {
......
switch (r.getType()) {
case MANY_TO_ONE:
if (map.contains(r.getPropertyName()) + "_id") {
this->manyToOne(entity, property.read(entity.data()), property);
this->manyToOne(entity, property.read(entity.data()), property, refresh);
}
break;
case MANY_TO_MANY:
this->manyToMany(entity, r, property);
this->manyToMany(entity, r, property, refresh);
break;
case ONE_TO_MANY:
this->oneToMany(entity, r, property);
this->oneToMany(entity, r, property, refresh);
break;
case ONE_TO_ONE:
this->oneToOne(entity, r, property, property.read(entity.data()));
this->oneToOne(entity, r, property, refresh, property.read(entity.data()));
break;
}
++iterator;
src/entitymanager.h
void init();
QList<QHash<QString, QVariant> > findAll(QString tblname);
void resolveRelations(const QSharedPointer<Entity> &entity,
const QHash<QString, QVariant> &map);
const QHash<QString, QVariant> &map, const bool refresh = false);
QHash<QString, QVariant> findByPk(qint64 id, QString tblname);
QSharedPointer<Entity> convert(const QHash<QString, QVariant> &map,
const char *classname);
const char *classname, const bool refresh = false);
QList<QSharedPointer<Entity>> convert(QList<QHash<QString, QVariant> > maps,
const char *classname);
const char *classname, const bool refresh = false);
void manyToOne(const QSharedPointer<Entity> &entity, const QVariant &id,
const QMetaProperty &property);
const QMetaProperty &property, const bool refresh = false);
void oneToMany(const QSharedPointer<Entity> &entity, const Relation &r,
const QMetaProperty &property);
const QMetaProperty &property,const bool refresh = false);
void manyToMany(const QSharedPointer<Entity> &entity, const Relation &r,
const QMetaProperty &property);
const QMetaProperty &property,const bool refresh = false);
void oneToOne(const QSharedPointer<Entity> &entity, const Relation &r,
const QMetaProperty &property,
const QMetaProperty &property, const bool refresh = false,
const QVariant &id = "");
const bool canPersistRelation(const Relation &relation, const RelationType &r, const QVariant &var) const;
QList<QHash<QString, QVariant> > findAllByAttributes(const
QSharedPointer<Entity> &entity,
bool ignoreID = false);
......
QHash<QString, QVariant> &m,
const QString &tblname,
bool ignoreID = false);
QSharedPointer<Entity> findById(const qint64 &id, Entity *&e);
QSharedPointer<Entity> findById(const qint64 &id, Entity *&e, const bool refresh=false);
void setListProperty(const QSharedPointer<Entity> &entity,
QList<QSharedPointer<Entity>> &list,
const QMetaProperty &property) const;
void setProperty(const QSharedPointer<Entity> &entiy,
QSharedPointer<Entity> value,
const QMetaProperty &property) const;
void saveRelations(const QSharedPointer<Entity> &entity);
public:
EntityManager(QSqlDatabase database);
......
QSharedPointer<Database> getDb() const;
void setDb(const QSharedPointer<Database> &value);
QSharedPointer<Schema> getSchema() const;
void refresh(QSharedPointer<Entity> &entity);
void setSchema(const QSharedPointer<Schema> &value);
/**
src/querybuilder.cpp
auto i = relations.constBegin();
while (i != relations.constEnd()) {
Relation r = i.value();
if (r.getType() == MANY_TO_ONE && props.contains(i.key())) {
if (r.getType() == MANY_TO_ONE && props.contains(i.key())
|| (r.getType() == ONE_TO_ONE && r.getMappedBy().isEmpty())) {
auto v = props.value(i.key()).read(e);
if (v.canConvert<Entity *>()) {
this->insertRelationId(qvariant_cast<Entity *>(v), map, i.key());

Auch abrufbar als: Unified diff