Revision df1e56bd
Von Christian Ehringfeld vor fast 9 Jahren hinzugefügt
| src/entitymanager.cpp | ||
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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->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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if (!this->schema->containsTable(entity->getTablename())
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&& 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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return rc;
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}
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| ... | ... | |
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QSharedPointer<Entity> &e,
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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->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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if (!e.isNull() && (refresh
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|| !(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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return r;
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}
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| ... | ... | |
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const QMetaProperty &property, const bool refresh) {
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qint64 convertedId = -1;
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bool ok = false;
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if ((convertedId == id.toLongLong(&ok)) && ok && convertedId > -1) {
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if ((convertedId = id.toLongLong(&ok)) && ok && convertedId > -1) {
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QString className = EntityInstanceFactory::extractEntityType(
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property.typeName());
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QSharedPointer<Entity> ptr = QSharedPointer<Entity>();
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| ... | ... | |
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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->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->getQueryBuilder()->oneToMany(
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e->getTablename(),
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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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this->setListProperty(entity, entities, property);
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auto e = QSharedPointer<Entity>(EntityInstanceFactory::createInstance(
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EntityInstanceFactory::extractEntityType(
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property.typeName())));
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if (e) {
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QSqlQuery q = this->schema->getQueryBuilder()->oneToMany(e->getTablename(),
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this->schema->getQueryBuilder()->generateColumnNameID(r.getMappedBy()),
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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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this->setListProperty(entity, entities, property);
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}
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}
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}
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| ... | ... | |
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if (r.getMappedBy().isEmpty()) {
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this->manyToOne(entity, id, property);
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} else {
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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->getQueryBuilder()->oneToMany(
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e->getTablename(),
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this->schema->getQueryBuilder()->generateColumnNameID(
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r.getMappedBy()),
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entity->getProperty(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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QSharedPointer<Entity> ptr = entities.at(0);
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this->setProperty(entity, ptr, property);
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auto e = QSharedPointer<Entity>(EntityInstanceFactory::createInstance(
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EntityInstanceFactory::extractEntityType(property.typeName())));
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if (e) {
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QSqlQuery q = this->schema->getQueryBuilder()->oneToMany(
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e->getTablename(),
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this->schema->getQueryBuilder()->generateColumnNameID(
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r.getMappedBy()),
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entity->getProperty(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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QSharedPointer<Entity> ptr = entities.at(0);
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this->setProperty(entity, ptr, property);
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}
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}
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delete e;
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}
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}
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| ... | ... | |
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}
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}
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void EntityManager::setProperty(const QSharedPointer<Entity> &entiy,
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void EntityManager::setProperty(const QSharedPointer<Entity> &entity,
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QSharedPointer<Entity> value,
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const QMetaProperty &property) const {
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if (value && value->getProperty(value->getPrimaryKey()).toLongLong()
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> -1) {
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property.write(entiy.data(), QVariant(value));
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QVariant var;
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var.setValue<QSharedPointer<Entity>>(value);
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property.write(entity.data(), var);
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}
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}
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void EntityManager::saveRelations(const QSharedPointer<Entity> &entity) {
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void EntityManager::savePrePersistedRelations(const QSharedPointer<Entity>
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&entity) {
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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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auto var = iterator.value().read(entity.data());
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if (r.getType() == MANY_TO_ONE && !var.isNull()
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&& var.canConvert<QSharedPointer<Entity>>()) {
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auto e = qvariant_cast<QSharedPointer<Entity>>(var);
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if (this->shouldBeSaved(e, r)) {
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this->save(e);
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if (!var.isNull()) {
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if (r.getType() == MANY_TO_ONE) {
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auto e = EntityInstanceFactory::castQVariant(var);
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if (this->shouldBeSaved(e, r)) {
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this->save(e);
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}
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} else if (r.getType() == ONE_TO_ONE && r.getMappedBy().isEmpty()) {
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auto entity = EntityInstanceFactory::castQVariant(var);
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this->save(entity);
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}
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} else if (this->canPersistRelation(r, MANY_TO_MANY, var)) {
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this->persistManyToMany(entity, r, var);
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} else if (this->canPersistRelation(r, ONE_TO_MANY, var)) {
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QList<QSharedPointer<Entity>> list =
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qvariant_cast<QList<QSharedPointer<Entity>>>(var);
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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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if (this->shouldBeSaved(entity, r)) {
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this->save(entity);
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}
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++iterator;
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}
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}
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void EntityManager::savePostPersistedRelations(const QSharedPointer<Entity>
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&entity) {
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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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auto var = iterator.value().read(entity.data());
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if (!var.isNull()) {
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if (this->canPersistRelation(r, MANY_TO_MANY, var)) {
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this->persistManyToMany(entity, r, var);
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} else if (this->canPersistRelation(r, ONE_TO_MANY, var)) {
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QList<QSharedPointer<Entity>> list = EntityInstanceFactory::castQVariantList(
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var);
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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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if (this->shouldBeSaved(entity, r)) {
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this->save(entity);
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}
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}
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} else if (r.getType() == ONE_TO_ONE && !r.getMappedBy().isEmpty()) {
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auto entity = EntityInstanceFactory::castQVariant(var);
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this->save(entity);
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}
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} else if (r.getType() == ONE_TO_ONE && !r.getMappedBy().isEmpty()
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&& var.canConvert<QSharedPointer<Entity>>()) {
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auto entity = qvariant_cast<QSharedPointer<Entity>>(var);
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this->save(entity);
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}
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++iterator;
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}
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}
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void EntityManager::persistMappedByRelation(const QList<QSharedPointer<Entity> >
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| ... | ... | |
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const QSharedPointer<Entity> &foreignEntity) const {
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QMetaProperty prop;
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auto props = foreignEntity->getMetaProperties();
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if (!r.getMappedBy().isEmpty()) {
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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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if (!r.getMappedBy().isEmpty() && props.contains(r.getMappedBy())) {
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prop = props.value(r.getMappedBy());
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} else {
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auto relations = foreignEntity->getRelations();
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for (auto iterator = relations.constBegin(); iterator != relations.constEnd();
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| ... | ... | |
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return 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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| ... | ... | |
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void EntityManager::setNullOneToManyRelation(QVariant &var, const Relation &r) {
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if (!r.getMappedBy().isEmpty()) {
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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)->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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this->setProperty(entity, QSharedPointer<Entity>(),
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metas.value(r.getMappedBy()));
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this->save(entity);
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}
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if (!r.getMappedBy().isEmpty() && !var.isNull()
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&& var.canConvert<QVariantList>()) {
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auto list = EntityInstanceFactory::castQVariantList(var);
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if (!list.isEmpty()) {
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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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this->setProperty(entity, QSharedPointer<Entity>(),
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metas.value(r.getMappedBy()));
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this->save(entity);
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}
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}
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}
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| ... | ... | |
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const Relation &r) {
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if (r.getCascadeType().contains(REMOVE) || r.getCascadeType().contains(ALL)) {
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this->removeEntity(var);
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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->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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} else if (!r.getMappedBy().isEmpty() && !var.isNull()) {
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auto e = EntityInstanceFactory::castQVariant(var);
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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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}
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}
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void EntityManager::removeEntity(QVariant &var) {
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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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if (!var.isNull()) {
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auto e = EntityInstanceFactory::castQVariant(var);
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this->remove(e);
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}
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}
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void EntityManager::removeEntityList(QVariant &var) {
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if (var.canConvert<QList<QSharedPointer<Entity>>>()) {
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QList<QSharedPointer<Entity>> list =
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qvariant_cast<QList<QSharedPointer<Entity>>>(var);
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if (var.canConvert<QVariantList>()) {
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auto list = EntityInstanceFactory::castQVariantList(var);
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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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this->remove(entity);
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| ... | ... | |
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void EntityManager::removeManyToManyEntityList(const QSharedPointer<Entity> &e,
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const Relation &r,
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QVariant &var) {
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if (var.canConvert<QList<QSharedPointer<Entity>>>()) {
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QList<QSharedPointer<Entity>> list =
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qvariant_cast<QList<QSharedPointer<Entity>>>(var);
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if (!var.isNull() && var.canConvert<QVariantList>()) {
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auto list = EntityInstanceFactory::castQVariantList(var);
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if (!list.isEmpty()) {
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auto builder = this->schema->getQueryBuilder();
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auto ptr = list.at(0);
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| ... | ... | |
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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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if (!list.at(0).isNull()) {
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auto var = list.at(0);
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auto ptr = EntityInstanceFactory::castQVariant(var);
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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->getProperty(entity->getPrimaryKey()).toLongLong());
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if (this->db->transaction(q)) {
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auto nList = EntityInstanceFactory::castQVariantList(property);
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this->persistMappedByRelation(nList, q, entity, ptr, 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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if (!list.isEmpty() && !(list.at(0).isNull())) {
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auto var = list.at(0);
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auto ptr = EntityInstanceFactory::castQVariant(var);
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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->getProperty(entity->getPrimaryKey()).toLongLong());
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if (this->db->transaction(q)) {
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auto nList = EntityInstanceFactory::castQVariantList(property);
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this->persistMappedByRelation(nList, q, entity, ptr, 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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}
|
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}
|
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| ... | ... | |
|
|
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void EntityManager::manyToMany(const QSharedPointer<Entity> &entity,
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const QMetaProperty &property, const bool refresh) {
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Entity *secEntity = EntityInstanceFactory::createInstance(
|
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EntityInstanceFactory::extractEntityType(
|
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QString(
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property.typeName())));
|
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QSharedPointer<Entity> secEntityPtr = QSharedPointer<Entity>
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(EntityInstanceFactory::createInstance(EntityInstanceFactory::extractEntityType(
|
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QString(property.typeName()))));
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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->generateManyToManyTableName(entity,
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secEntityPtr);
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if (secEntityPtr) {
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QString tblName = builder->generateManyToManyTableName(entity, secEntityPtr);
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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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| ... | ... | |
|
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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if (persistRelations) {
|
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this->savePrePersistedRelations(entity);
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}
|
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this->db->startTransaction();
|
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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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} else {
|
||
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this->cache.insert(entity);
|
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if (persistRelations) {
|
||
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this->saveRelations(entity);
|
||
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this->savePostPersistedRelations(entity);
|
||
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}
|
||
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rc = true;
|
||
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}
|
||
| ... | ... | |
|
|
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bool EntityManager::merge(QSharedPointer<Entity> &entity, bool withRelations) {
|
||
|
if (entity->getId() > -1 && this->count(entity) == 1) {
|
||
|
if (withRelations) {
|
||
|
this->savePrePersistedRelations(entity);
|
||
|
}
|
||
|
this->db->startTransaction();
|
||
|
QList<QSqlQuery> q = this->schema->getQueryBuilder()->merge(
|
||
|
entity);
|
||
| ... | ... | |
|
this->db->rollbackTransaction();
|
||
|
return false;
|
||
|
} else if (ok && withRelations) {
|
||
|
this->saveRelations(entity);
|
||
|
this->savePostPersistedRelations(entity);
|
||
|
}
|
||
|
}
|
||
|
return false;
|
||
| ... | ... | |
|
while (iterator != props.constEnd()) {
|
||
|
const Relation r = iterator.key();
|
||
|
const QMetaProperty property = iterator.value();
|
||
|
QString colName = this->schema->getQueryBuilder()->generateColumnNameID(
|
||
|
r.getPropertyName());
|
||
|
switch (r.getType()) {
|
||
|
case MANY_TO_ONE:
|
||
|
if (map.contains(
|
||
|
this->schema->getQueryBuilder()->generateColumnNameID(
|
||
|
r.getPropertyName()))) {
|
||
|
this->manyToOne(entity, property.read(entity.data()), property, refresh);
|
||
|
if (map.contains(colName)) {
|
||
|
this->manyToOne(entity, map.value(colName), property, refresh);
|
||
|
}
|
||
|
break;
|
||
|
case MANY_TO_MANY:
|
||
| ... | ... | |
|
this->oneToMany(entity, r, property, refresh);
|
||
|
break;
|
||
|
case ONE_TO_ONE:
|
||
|
this->oneToOne(entity, r, property, refresh, property.read(entity.data()));
|
||
|
this->oneToOne(entity, r, property, refresh, map.value(colName));
|
||
|
break;
|
||
|
}
|
||
|
++iterator;
|
||
| ... | ... | |
|
auto q = queries.at(var);
|
||
|
if (!q.exec()) {
|
||
|
this->db->rollbackTransaction();
|
||
|
qDebug() << "Remove transaction rolled back";
|
||
|
ok = false;
|
||
|
break;
|
||
|
}
|
||
| ... | ... | |
|
bool createRelationTables) {
|
||
|
return this->schema->getQueryBuilder()->createTable(entity,
|
||
|
createRelationTables);
|
||
|
|
||
|
}
|
||
|
|
||
|
qint8 EntityManager::count(const QSharedPointer<Entity> &entity,
|
||
Auch abrufbar als: Unified diff
many-to-one