Revision 0d155b40
Von Christian Ehringfeld vor mehr als 8 Jahren hinzugefügt
| src/entitymanager.cpp | ||
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#include "validators/validatorfactory.h"
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#include "validators/validator.h"
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#include "validators/validatorrule.h"
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#include <QHash>
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using namespace CuteEntityManager;
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QStringList EntityManager::connectionNames = QStringList();
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| ... | ... | |
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return this->schema->getQueryBuilder();
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}
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bool EntityManager::saveObject(QSharedPointer<Entity> &entity,
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QList<Entity *> &mergedObjects, const bool persistRelations,
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const bool ignoreHasChanged, const bool validate) {
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bool merged = mergedObjects.contains(entity.data());
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if (ignoreHasChanged || (!ignoreHasChanged && !merged
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&& this->hasChanged(entity))) {
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if (entity->getProperty(entity->getPrimaryKey()).toLongLong() > -1) {
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return this->mergeObject(entity, mergedObjects, persistRelations, validate);
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} else {
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return this->createObject(entity, mergedObjects, persistRelations, false,
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validate);
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}
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}
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return merged ? true : false;
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}
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bool EntityManager::mergeObject(QSharedPointer<Entity> &entity,
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QList<Entity *> &mergedObjects, bool withRelations, const bool validate) {
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bool ok = true;
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if (!mergedObjects.contains(entity.data())) {
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mergedObjects.append(entity.data());
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ok = false;
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if (entity->getId() > -1 && ((validate && this->validate(entity))
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|| !validate)) {
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if (withRelations) {
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this->savePrePersistedRelations(entity, mergedObjects);
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}
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this->db->startTransaction();
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QList<QSqlQuery> q = this->schema->getQueryBuilder()->merge(
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entity);
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ok = this->db->exec(q);
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if (!ok || !this->db->commitTransaction()) {
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this->db->rollbackTransaction();
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ok = false;
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} else if (ok && withRelations) {
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this->savePostPersistedRelations(entity, mergedObjects);
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}
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}
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}
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return ok;
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}
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bool EntityManager::createObject(QSharedPointer<Entity> &entity,
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QList<Entity *> &mergedObjects, const bool persistRelations,
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const bool checkDuplicate, const bool validate) {
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bool rc = true;
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if (!mergedObjects.contains(entity.data())) {
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mergedObjects.append(entity.data());
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rc = false;
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if (this->checkTable(entity) && ((validate && this->validate(entity))
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|| !validate) && !(checkDuplicate && this->count(entity) > 0)) {
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if (persistRelations) {
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this->savePrePersistedRelations(entity, mergedObjects);
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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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bool first = true;
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QVariant id = -1;
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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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if (!first) {
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this->schema->getQueryBuilder()->bindValue(entity->getPrimaryKey(), id, query);
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}
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rc = this->db->exec(query);
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if (!rc) {
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qWarning() << "class is erroneous:" << EntityHelper::getClassname(
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entity.data());
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break;
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}
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if (first) {
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id = query.lastInsertId();
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entity->setProperty(entity->getPrimaryKey(), id);
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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->setId(-1);
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rc = false;
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} else {
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this->cache.insert(entity);
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if (persistRelations) {
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this->savePostPersistedRelations(entity, mergedObjects);
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}
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rc = true;
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}
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}
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entity->idChanged();
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}
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return rc;
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}
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bool EntityManager::merge(QSharedPointer<Entity> &entity, bool withRelations,
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const bool validate) {
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auto merged = QList<Entity *>();
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return this->mergeObject(entity, merged, withRelations, validate);
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}
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bool EntityManager::create(QSharedPointer<Entity> &entity,
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const bool persistRelations, const bool checkDuplicate, const bool validate) {
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auto merged = QList<Entity *>();
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return this->createObject(entity, merged, persistRelations,
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checkDuplicate, validate);
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}
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bool EntityManager::save(QSharedPointer<Entity> &entity,
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const bool persistRelations, const bool ignoreHasChanged, const bool validate) {
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auto merged = QList<Entity *>();
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return this->saveObject(entity, merged, persistRelations,
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ignoreHasChanged, validate);
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}
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EntityManager::EntityManager(QSqlDatabase database,
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bool logQueries) : QObject() {
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auto db = new Database(database, true, logQueries);
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| ... | ... | |
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}
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void EntityManager::savePrePersistedRelations(const QSharedPointer<Entity>
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&entity) {
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&entity, QList<Entity *> &mergedObjects) {
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auto relations = EntityHelper::getRelationProperties(entity.data());
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auto iterator = relations.constBegin();
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while (iterator != relations.constEnd()) {
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| ... | ... | |
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if (r.getType() == RelationType::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, true, false);
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this->saveObject(e, mergedObjects);
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auto fkProp = EntityHelper::mappedProperty(r, e);
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if (fkProp.isValid()) {
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EntityHelper::addEntityToListProperty(e, entity, fkProp);
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| ... | ... | |
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} else if (r.getType() == RelationType::ONE_TO_ONE
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&& r.getMappedBy().isEmpty()) {
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auto e = EntityInstanceFactory::castQVariant(var);
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this->save(e, true, false);
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this->saveObject(e, mergedObjects);
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auto prop = EntityHelper::mappedProperty(r, e);
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if (prop.isValid()) {
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EntityHelper::setProperty(e, entity, prop);
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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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&entity, QList<Entity *> &mergedObjects) {
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auto relations = EntityHelper::getRelationProperties(entity.data());
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auto iterator = relations.constBegin();
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while (iterator != relations.constEnd()) {
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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, RelationType::MANY_TO_MANY, var)) {
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this->persistManyToMany(entity, r, var);
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this->persistManyToMany(entity, r, var, mergedObjects);
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} else if (this->canPersistRelation(r, RelationType::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 e = list.at(var);
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if (this->shouldBeSaved(e, r)) {
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this->save(e, true, false);
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this->saveObject(e, mergedObjects);
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if (fkProp.isValid()) {
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EntityHelper::addEntityToListProperty(e, entity, fkProp);
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}
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| ... | ... | |
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} else if (r.getType() == RelationType::ONE_TO_ONE
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&& !r.getMappedBy().isEmpty()) {
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auto e = EntityInstanceFactory::castQVariant(var);
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this->save(e, true, false);
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this->saveObject(e, mergedObjects);
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auto fkProp = EntityHelper::mappedProperty(r, e);
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if (fkProp.isValid()) {
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EntityHelper::addEntityToListProperty(e, entity, fkProp);
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| ... | ... | |
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void EntityManager::persistMappedByRelation(const QList<QSharedPointer<Entity> >
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&list, QSqlQuery &q, const QSharedPointer<Entity> &entity,
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const QSharedPointer<Entity> &ptr, const Relation &r,
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const QString &tblName) {
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const QString &tblName, QList<Entity *> &mergedObjects) {
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q.clear();
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QList<QSharedPointer<Entity>> saved =
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r.getCascadeType().contains(CascadeType::ALL) ||
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r.getCascadeType().contains(CascadeType::MERGE) ||
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r.getCascadeType().contains(CascadeType::PERSIST) ?
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this->saveRelationEntities(list, r) : list;
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this->saveRelationEntities(list, r, mergedObjects) : list;
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this->db->startTransaction();
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auto builder = this->schema->getQueryBuilder();
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q = builder->manyToManyInsert(tblName,
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| ... | ... | |
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this->setObjectName(this->generateObjectName());
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EntityManager::instances.insert(this->objectName(), this);
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}
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QHash<QString, EntityManager *> EntityManager::getInstances() {
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return instances;
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}
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| ... | ... | |
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}
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QList<QSharedPointer<Entity>> EntityManager::saveRelationEntities(
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const QList<QSharedPointer<Entity> > &list, const Relation &r) {
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const QList<QSharedPointer<Entity> > &list, const Relation &r,
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QList<Entity *> &mergedObjects) {
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QList<QSharedPointer<Entity>> saved = QList<QSharedPointer<Entity>>();
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QSharedPointer<Entity> ptr;
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for (int var = 0; var < list.size(); ++var) {
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ptr = list.at(var);
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if ((this->shouldBeSaved(ptr, r) && this->save(ptr, true, false))
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if ((this->shouldBeSaved(ptr, r) && this->saveObject(ptr, mergedObjects))
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|| ptr->getProperty(ptr->getPrimaryKey()).toLongLong() > -1) {
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saved.append(ptr);
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}
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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, QVariant &property) {
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const Relation &r, QVariant &property, QList<Entity *> &mergedObjects) {
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auto list = property.value<QList<QVariant>>();
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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, r);
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if (this->schema->getTables().contains(tblName)) {
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if (this->schema->containsTable(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->exec(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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this->persistMappedByRelation(nList, q, entity, ptr, r, tblName, mergedObjects);
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}
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} else {
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this->missingManyToManyTable(tblName, entity, r);
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| ... | ... | |
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return ok;
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}
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bool EntityManager::create(QSharedPointer<Entity> &entity,
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const bool persistRelations, const bool checkDuplicate, const bool validate) {
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bool rc = false;
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if (this->checkTable(entity) && ((validate && this->validate(entity))
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|| !validate) && !(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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bool first = true;
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QVariant id = -1;
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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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if (!first) {
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this->schema->getQueryBuilder()->bindValue(entity->getPrimaryKey(), id, query);
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}
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rc = this->db->exec(query);
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if (!rc) {
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qWarning() << "class is erroneous:" << EntityHelper::getClassname(
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entity.data());
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break;
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}
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if (first) {
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id = query.lastInsertId();
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entity->setProperty(entity->getPrimaryKey(), id);
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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->setId(-1);
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rc = false;
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} else {
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this->cache.insert(entity);
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if (persistRelations) {
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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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}
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entity->idChanged();
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return rc;
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}
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bool EntityManager::merge(QSharedPointer<Entity> &entity, bool withRelations,
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const bool validate) {
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bool ok = false;
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if (entity->getId() > -1 && ((validate && this->validate(entity))
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|| !validate)) {
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if (withRelations) {
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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()->merge(
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entity);
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ok = this->db->exec(q);
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if (!ok || !this->db->commitTransaction()) {
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this->db->rollbackTransaction();
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return false;
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} else if (ok && withRelations) {
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this->savePostPersistedRelations(entity);
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}
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}
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return ok;
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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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| ... | ... | |
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}
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}
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bool EntityManager::save(QSharedPointer<Entity> &entity,
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const bool persistRelations, const bool ignoreHasChanged) {
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if (ignoreHasChanged || (!ignoreHasChanged && this->hasChanged(entity))) {
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if (entity->getProperty(entity->getPrimaryKey()).toLongLong() > -1) {
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return this->merge(entity, persistRelations);
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} else {
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return this->create(entity, persistRelations);
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}
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}
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return false;
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}
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qint64 EntityManager::findId(QSharedPointer<Entity> &entity) {
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qint64 r = -1;
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QSqlQuery q = this->schema->getQueryBuilder()->findId(entity);
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Auch abrufbar als: Unified diff
bugfix in schema and ticket #580