Revision abb9e8c5
Von Christian Ehringfeld vor fast 9 Jahren hinzugefügt
| src/entitymanager.cpp | ||
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void EntityManager::init() {
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auto schema = Database::getSchema(Database::getDatabaseType(
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this->db.data()->getDatabase().driverName()), this->db);
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this->db->getDatabase().driverName()), this->db);
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this->schema = QSharedPointer<Schema>(schema);
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this->schema.data()->setTables(this->schema.data()->getTableSchemas());
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this->schema->setTables(this->schema->getTableSchemas());
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}
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EntityManager::~EntityManager() {
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| ... | ... | |
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QHash<QString, QVariant> map = QHash<QString, QVariant>();
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bool ok = true;
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map.insert("version", version);
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if (!this->schema.data()->getTableNames().contains(dbm->getTablename())) {
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if (!this->schema->getTableNames().contains(dbm->getTablename())) {
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this->createTable(ptrDbm, true);
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}
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if (this->findAllByAttributes(map, dbm->getTablename()).isEmpty()) {
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| ... | ... | |
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dbm->setApplyTime(QDateTime::currentDateTime());
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this->create(ptrDbm);
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}
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this->schema.data()->setTables(this->schema.data()->getTableSchemas());
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this->schema->setTables(this->schema->getTableSchemas());
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}
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return ok;
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}
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bool EntityManager::executeQuery(const QString &query) {
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return this->db.data()->transaction(query);
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return this->db->transaction(query);
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}
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bool EntityManager::checkTable(const QSharedPointer<Entity> &entity) {
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bool rc = true;
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if (!this->schema.data()->containsTable(entity.data()->getTablename())) {
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if (this->schema.data()->getQueryBuilder().data()->createTable(entity)) {
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this->schema.data()->getTableSchema(entity.data()->getTablename(), true);
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rc = this->schema.data()->getTables().contains(entity.data()->getTablename());
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if (!this->schema->containsTable(entity->getTablename())) {
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if (this->schema->getQueryBuilder()->createTable(entity)) {
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this->schema->getTableSchema(entity->getTablename(), true);
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rc = this->schema->getTables().contains(entity->getTablename());
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}
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}
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return rc;
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| ... | ... | |
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}
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void EntityManager::refresh(QSharedPointer<Entity> &entity) {
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entity = this->findById(entity.data()->property(
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entity.data()->getPrimaryKey()).toLongLong(),
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QString(entity.data()->getClassname()));
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entity = this->findById(entity->property(
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entity->getPrimaryKey()).toLongLong(),
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QString(entity->getClassname()));
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}
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void EntityManager::setSchema(const QSharedPointer<Schema> &value) {
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const bool refresh) {
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QSharedPointer<Entity> r;
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if (!e.isNull()) {
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if (refresh || !(r = this->cache.get(id, QString(e.data()->getClassname())))) {
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e.data()->setId(id);
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if (refresh || !(r = this->cache.get(id, QString(e->getClassname())))) {
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e->setId(id);
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auto map = this->findByPk(id, e);
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r = this->convert(map, e->getClassname(), refresh);
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}
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| ... | ... | |
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void EntityManager::oneToMany(const QSharedPointer<Entity> &entity,
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const Relation &r,
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const QMetaProperty &property, const bool refresh) {
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if (entity.data() && entity.data()->getId() > -1) {
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if (entity.data() && entity->getId() > -1) {
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Entity *e = EntityInstanceFactory::createInstance(
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EntityInstanceFactory::extractEntityType(
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property.typeName()));
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QSqlQuery q = this->schema.data()->getQueryBuilder().data()->oneToMany(
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QSqlQuery q = this->schema->getQueryBuilder()->oneToMany(
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e->getTablename(),
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this->schema.data()->getQueryBuilder().data()->generateColumnNameID(
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r.getMappedBy()), entity.data()->getId());
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this->schema->getQueryBuilder()->generateColumnNameID(
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r.getMappedBy()), entity->getId());
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auto listMap = this->convertQueryResult(q);
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auto entities = this->convert(listMap, e->getClassname(), refresh);
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delete e;
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| ... | ... | |
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Entity *e = EntityInstanceFactory::createInstance(
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EntityInstanceFactory::extractEntityType(
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property.typeName()));
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QSqlQuery q = this->schema.data()->getQueryBuilder().data()->oneToMany(
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QSqlQuery q = this->schema->getQueryBuilder()->oneToMany(
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e->getTablename(),
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this->schema.data()->getQueryBuilder().data()->generateColumnNameID(
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this->schema->getQueryBuilder()->generateColumnNameID(
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r.getMappedBy()),
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entity.data()->property(entity.data()->getPrimaryKey()).toLongLong(), 1);
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entity->property(entity->getPrimaryKey()).toLongLong(), 1);
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auto listMap = this->convertQueryResult(q);
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auto entities = this->convert(listMap, e->getClassname(), refresh);
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if (!entities.isEmpty()) {
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| ... | ... | |
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void EntityManager::setProperty(const QSharedPointer<Entity> &entiy,
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QSharedPointer<Entity> value,
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const QMetaProperty &property) const {
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if (value && value.data()->property(value.data()->getPrimaryKey()).toLongLong()
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if (value && value->property(value->getPrimaryKey()).toLongLong()
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> -1) {
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property.write(entiy.data(), QVariant(value));
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}
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}
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void EntityManager::saveRelations(const QSharedPointer<Entity> &entity) {
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auto relations = entity.data()->getRelationProperties();
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auto relations = entity->getRelationProperties();
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auto iterator = relations.constBegin();
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while (iterator != relations.constEnd()) {
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const Relation r = iterator.key();
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| ... | ... | |
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|| r.getCascadeType().contains(MERGE)
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|| r.getCascadeType().contains(PERSIST) ? this->saveRelationEntities(list,
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r) : list;
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auto builder = this->schema.data()->getQueryBuilder();
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q = builder.data()->manyToManyInsert(tblName,
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builder.data()->generateManyToManyColumnName(entity),
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builder.data()->generateManyToManyColumnName(ptr));
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q.bindValue(0, entity.data()->getId());
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auto builder = this->schema->getQueryBuilder();
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q = builder->manyToManyInsert(tblName,
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builder->generateManyToManyColumnName(entity),
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builder->generateManyToManyColumnName(ptr));
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q.bindValue(0, entity->getId());
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QMetaProperty prop;
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bool first = true;
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for (int var = 0; var < saved.size(); ++var) {
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ptr = list.at(var);
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if (first && !r.getMappedBy().isEmpty()) {
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auto props = ptr.data()->getMetaProperties();
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auto props = ptr->getMetaProperties();
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if (props.contains(r.getMappedBy())) {
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prop = props.value(r.getMappedBy());
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}
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}
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if (ptr.data()->property(ptr.data()->getPrimaryKey()).toLongLong() > -1) {
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q.bindValue(1, ptr.data()->property(ptr.data()->getPrimaryKey()));
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if (ptr->property(ptr->getPrimaryKey()).toLongLong() > -1) {
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q.bindValue(1, ptr->property(ptr->getPrimaryKey()));
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q.exec();
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if (prop.isValid()) {
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this->addEntityToListProperty(entity, ptr, prop);
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| ... | ... | |
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bool EntityManager::shouldBeSaved(QSharedPointer<Entity> &entity,
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const Relation &r) {
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return entity && (r.getCascadeType().contains(ALL)
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|| (entity.data()->property(entity.data()->getPrimaryKey()) > -1
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|| (entity->property(entity->getPrimaryKey()) > -1
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&& r.getCascadeType().contains(MERGE))
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|| (entity.data()->property(entity.data()->getPrimaryKey()) <= -1
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|| (entity->property(entity->getPrimaryKey()) <= -1
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&& r.getCascadeType().contains(PERSIST)));
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}
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void EntityManager::removeRelations(const QSharedPointer<Entity> &entity) {
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auto props = entity.data()->getRelationProperties();
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auto props = entity->getRelationProperties();
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auto iterator = props.constBegin();
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while (iterator != props.constEnd()) {
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const Relation r = iterator.key();
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| ... | ... | |
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if (!var.isNull() && var.canConvert<QList<QSharedPointer<Entity>>>()) {
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auto list = qvariant_cast<QList<QSharedPointer<Entity>>>(var);
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if (!list.isEmpty()) {
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auto metas = list.at(0).data()->getMetaProperties();
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auto metas = list.at(0)->getMetaProperties();
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if (metas.contains(r.getMappedBy())) {
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for (int var = 0; var < list.size(); ++var) {
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auto entity = list.at(var);
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| ... | ... | |
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} else if (!r.getMappedBy().isEmpty()) {
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if (!var.isNull() && var.canConvert<QSharedPointer<Entity>>()) {
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auto e = qvariant_cast<QSharedPointer<Entity>>(var);
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auto metas = e.data()->getMetaProperties();
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auto metas = e->getMetaProperties();
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if (metas.contains(r.getMappedBy())) {
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this->setProperty(e, QSharedPointer<Entity>(), metas.value(r.getMappedBy()));
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this->save(e);
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| ... | ... | |
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QList<QSharedPointer<Entity>> list =
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qvariant_cast<QList<QSharedPointer<Entity>>>(var);
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if (!list.isEmpty()) {
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auto builder = this->schema.data()->getQueryBuilder();
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auto builder = this->schema->getQueryBuilder();
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auto ptr = list.at(0);
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QString tblName = builder.data()->generateManyToManyTableName(e, ptr);
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if (this->schema.data()->getTables().contains(tblName)) {
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QSqlQuery q = builder.data()->manyToManyDelete(
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tblName, builder.data()->generateManyToManyColumnName(e),
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e.data()->property(e.data()->getPrimaryKey()).toLongLong());
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QString tblName = builder->generateManyToManyTableName(e, ptr);
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if (this->schema->getTables().contains(tblName)) {
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QSqlQuery q = builder->manyToManyDelete(
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tblName, builder->generateManyToManyColumnName(e),
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e->property(e->getPrimaryKey()).toLongLong());
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bool refresh = r.getCascadeType().contains(REFRESH)
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|| r.getCascadeType().contains(ALL);
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bool remove = r.getCascadeType().contains(REMOVE)
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| ... | ... | |
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}
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void EntityManager::persistManyToMany(const QSharedPointer<Entity> &entity,
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const Relation &r, const QVariant &property) {
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const Relation &r, QVariant &property) {
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Q_UNUSED(r)
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auto list = property.value<QList<QVariant>>();
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if (!list.isEmpty()) {
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/**
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* TODO
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*/
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auto ptr = list.at(0).value<QSharedPointer<Entity>>();
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auto builder = this->schema.data()->getQueryBuilder();
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QString tblName = builder.data()->generateManyToManyTableName(entity, ptr);
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if (this->schema.data()->getTables().contains(tblName)) {
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QSqlQuery q = builder.data()->manyToManyDelete(
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tblName, builder.data()->generateManyToManyColumnName(entity),
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entity.data()->property(entity.data()->getPrimaryKey()).toLongLong());
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if (this->db.data()->transaction(q)) {
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//this->persistMappedByRelation(list, q, entity, r, tblName);
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if (!list.at(0).isNull()) {
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QVariant var = list.at(0);
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auto ptr = *reinterpret_cast<QSharedPointer<Entity>*>(var.data());
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auto builder = this->schema->getQueryBuilder();
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QString tblName = builder->generateManyToManyTableName(entity, ptr);
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if (this->schema->getTables().contains(tblName)) {
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QSqlQuery q = builder->manyToManyDelete(
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tblName, builder->generateManyToManyColumnName(entity),
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entity->property(entity->getPrimaryKey()).toLongLong());
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if (this->db->transaction(q)) {
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auto nList = *reinterpret_cast<QList<QSharedPointer<Entity>>*>(property.data());
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this->persistMappedByRelation(nList, q, entity, r, tblName);
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}
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} else {
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qDebug() << "MANY_TO_MANY Table " << tblName << " not exists";
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}
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} else {
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qDebug() << "MANY_TO_MANY Table " << tblName << " not exists";
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}
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}
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}
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| ... | ... | |
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EntityInstanceFactory::extractEntityType(
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QString(
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property.typeName())));
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auto builder = this->schema.data()->getQueryBuilder();
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auto builder = this->schema->getQueryBuilder();
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if (secEntity) {
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QSharedPointer<Entity> secEntityPtr = QSharedPointer<Entity>(secEntity);
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QString tblName = builder.data()->generateManyToManyTableName(entity,
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QString tblName = builder->generateManyToManyTableName(entity,
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secEntityPtr);
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/**
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* maybe it would be better, to fetch first the ids, look up cache and then request missing entities
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* with this it would be also possible to respect cascade type
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*/
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if (this->schema.data()->getTables().contains(tblName)) {
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QSqlQuery q = builder.data()->manyToMany(tblName,
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builder.data()->generateManyToManyColumnName(entity),
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entity.data()->property(entity.data()->getPrimaryKey()).toLongLong(),
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builder.data()->generateManyToManyColumnName(secEntityPtr),
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secEntityPtr.data()->getTablename());
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if (this->schema->getTables().contains(tblName)) {
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QSqlQuery q = builder->manyToMany(tblName,
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builder->generateManyToManyColumnName(entity),
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entity->property(entity->getPrimaryKey()).toLongLong(),
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builder->generateManyToManyColumnName(secEntityPtr),
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secEntityPtr->getTablename());
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auto listMap = this->convertQueryResult(q);
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auto entities = this->convert(listMap, entity.data()->getClassname(), refresh);
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auto entities = this->convert(listMap, entity->getClassname(), refresh);
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this->setListProperty(entity, entities, property);
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} else {
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qDebug() << "MANY_TO_MANY Table " << tblName << " not exists";
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| ... | ... | |
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&entity,
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bool ignoreID) {
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auto maps = this->findAllByAttributes(entity, ignoreID);
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return this->convert(maps, entity.data()->getClassname());
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return this->convert(maps, entity->getClassname());
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}
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/**
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| ... | ... | |
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const bool persistRelations, const bool checkDuplicate) {
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bool rc = false;
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if (this->checkTable(entity) && !(checkDuplicate && this->count(entity) == 0)) {
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QList<QSqlQuery> q = this->schema.data()->getQueryBuilder().data()->create(
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QList<QSqlQuery> q = this->schema->getQueryBuilder()->create(
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entity);
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this->db->startTransaction();
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bool first = true;
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for (int var = 0; var < q.size(); ++var) {
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auto query = q.at(var);
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rc = this->db.data()->exec(query);
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rc = this->db->exec(query);
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if (!rc) {
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qDebug() << "Query failed:" << query.lastError().text() << " of class " <<
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entity.data()->getClassname();
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entity->getClassname();
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break;
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}
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if (first) {
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entity.data()->setProperty(
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entity.data()->getPrimaryKey().toLatin1().constData(), query.lastInsertId());
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entity->setProperty(
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entity->getPrimaryKey().toLatin1().constData(), query.lastInsertId());
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first = false;
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}
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}
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if (!rc || !this->db->commitTransaction()) {
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this->db->rollbackTransaction();
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entity.data()->setId(-1);
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entity->setId(-1);
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rc = false;
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} else {
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if (persistRelations) {
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| ... | ... | |
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bool EntityManager::merge(QSharedPointer<Entity> &entity, bool withRelations) {
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if (entity->getId() > -1 && this->count(entity) == 1) {
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this->db->startTransaction();
|
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QList<QSqlQuery> q = this->schema.data()->getQueryBuilder().data()->merge(
|
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QList<QSqlQuery> q = this->schema->getQueryBuilder()->merge(
|
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entity);
|
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bool ok = true;
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for (int var = 0; var < q.size(); ++var) {
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auto query = q.at(var);
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ok = this->db.data()->exec(query);
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ok = this->db->exec(query);
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if (!ok) {
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qDebug() << query.lastError().text();
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break;
|
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| ... | ... | |
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QHash<QString, QVariant> EntityManager::findByPk(qint64 id,
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const QSharedPointer<Entity>
|
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&e) {
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QSqlQuery q = this->schema.data()->getQueryBuilder().data()->find(id, e, 0,
|
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e.data()->getPrimaryKey());
|
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QSqlQuery q = this->schema->getQueryBuilder()->find(id, e, 0,
|
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e->getPrimaryKey());
|
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auto listMap = this->convertQueryResult(q);
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if (!listMap.isEmpty()) {
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return listMap.at(0);
|
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| ... | ... | |
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const QSharedPointer<Entity>
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&entity,
|
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bool ignoreID) {
|
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QSqlQuery q = this->schema.data()->getQueryBuilder().data()->findByAttributes(
|
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QSqlQuery q = this->schema->getQueryBuilder()->findByAttributes(
|
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entity, ignoreID);
|
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return this->convertQueryResult(q);
|
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}
|
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|
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QList<QHash <QString, QVariant> > EntityManager::findAllByAttributes(
|
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const QHash<QString, QVariant> &m, const QString &tblname, bool ignoreID) {
|
||
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QSqlQuery q = this->schema.data()->getQueryBuilder().data()->findByAttributes(m,
|
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QSqlQuery q = this->schema->getQueryBuilder()->findByAttributes(m,
|
||
|
tblname, ignoreID);
|
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return this->convertQueryResult(q);
|
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}
|
||
| ... | ... | |
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|
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QList<QHash <QString, QVariant> > EntityManager::findAll(
|
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const QSharedPointer<Entity> &e) {
|
||
|
QSqlQuery q = this->schema.data()->getQueryBuilder().data()->findAll(e);
|
||
|
QSqlQuery q = this->schema->getQueryBuilder()->findAll(e);
|
||
|
return this->convertQueryResult(q);
|
||
|
}
|
||
|
|
||
|
void EntityManager::resolveRelations(const QSharedPointer<Entity> &entity,
|
||
|
const QHash<QString, QVariant> &map, const bool refresh) {
|
||
|
auto props = entity.data()->getRelationProperties();
|
||
|
auto props = entity->getRelationProperties();
|
||
|
auto iterator = props.constBegin();
|
||
|
while (iterator != props.constEnd()) {
|
||
|
const Relation r = iterator.key();
|
||
| ... | ... | |
|
switch (r.getType()) {
|
||
|
case MANY_TO_ONE:
|
||
|
if (map.contains(
|
||
|
this->schema.data()->getQueryBuilder().data()->generateColumnNameID(
|
||
|
this->schema->getQueryBuilder()->generateColumnNameID(
|
||
|
r.getPropertyName()))) {
|
||
|
this->manyToOne(entity, property.read(entity.data()), property, refresh);
|
||
|
}
|
||
| ... | ... | |
|
|
||
|
bool EntityManager::save(QSharedPointer<Entity> &entity,
|
||
|
const bool persistRelations) {
|
||
|
if (entity.data()->property(entity.data()->getPrimaryKey()) > -1) {
|
||
|
if (entity->property(entity->getPrimaryKey()) > -1) {
|
||
|
return this->merge(entity, persistRelations);
|
||
|
} else {
|
||
|
return this->create(entity, persistRelations);
|
||
| ... | ... | |
|
|
||
|
qint64 EntityManager::findId(QSharedPointer<Entity> &entity) {
|
||
|
qint64 r = -1;
|
||
|
QSqlQuery q = this->schema.data()->getQueryBuilder().data()->findId(entity);
|
||
|
QSqlQuery q = this->schema->getQueryBuilder()->findId(entity);
|
||
|
this->db->select(q);
|
||
|
if (q.next()) {
|
||
|
r = q.value(0).toLongLong();
|
||
| ... | ... | |
|
bool rc = false;
|
||
|
this->db->startTransaction();
|
||
|
this->removeRelations(entity);
|
||
|
auto queries = this->schema.data()->getQueryBuilder().data()->remove(entity);
|
||
|
auto queries = this->schema->getQueryBuilder()->remove(entity);
|
||
|
bool ok = true;
|
||
|
for (int var = 0; var < queries.size(); ++var) {
|
||
|
auto q = queries.at(var);
|
||
| ... | ... | |
|
}
|
||
|
|
||
|
bool EntityManager::removeAll(QString tblname) {
|
||
|
return this->schema.data()->getQueryBuilder().data()->removeAll(tblname).exec();
|
||
|
return this->schema->getQueryBuilder()->removeAll(tblname).exec();
|
||
|
}
|
||
|
|
||
|
bool EntityManager::createTable(const QSharedPointer<Entity> &entity,
|
||
|
bool createRelationTables) {
|
||
|
return this->schema.data()->getQueryBuilder().data()->createTable(entity,
|
||
|
return this->schema->getQueryBuilder()->createTable(entity,
|
||
|
createRelationTables);
|
||
|
|
||
|
}
|
||
| ... | ... | |
|
qint8 EntityManager::count(const QSharedPointer<Entity> &entity,
|
||
|
bool ignoreID) {
|
||
|
qint8 rc = -1;
|
||
|
QSqlQuery q = this->schema.data()->getQueryBuilder().data()->count(entity,
|
||
|
QSqlQuery q = this->schema->getQueryBuilder()->count(entity,
|
||
|
ignoreID);
|
||
|
this->db->select(q);
|
||
|
if (q.next()) {
|
||
| ... | ... | |
|
|
||
|
qint8 EntityManager::count(const QString &tableName) {
|
||
|
qint8 rc = -1;
|
||
|
QSqlQuery q = this->schema.data()->getQueryBuilder().data()->count(tableName);
|
||
|
QSqlQuery q = this->schema->getQueryBuilder()->count(tableName);
|
||
|
this->db->select(q);
|
||
|
if (q.next()) {
|
||
|
rc = q.value(0).toInt();
|
||
Auch abrufbar als: Unified diff
example not working - wip, maybe tomorrow