Revision d2bebf1b
Von Christian Ehringfeld vor etwa 9 Jahren hinzugefügt
| src/entitymanager.cpp | ||
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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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const bool ignoreHasChanged, const bool validate,
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const bool relationsIgnoreHasChanged) {
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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 (!merged && (ignoreHasChanged || 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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return this->mergeObject(entity, mergedObjects, persistRelations, validate,
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relationsIgnoreHasChanged);
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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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validate, relationsIgnoreHasChanged);
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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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QList<Entity *> &mergedObjects, bool withRelations, const bool validate,
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const bool relationsIgnoreHasChanged) {
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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 (entity->getId() > -1 && (!validate || this->validate(entity))) {
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if (withRelations) {
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this->savePrePersistedRelations(entity, mergedObjects);
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this->savePrePersistedRelations(entity, mergedObjects,
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relationsIgnoreHasChanged);
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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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| ... | ... | |
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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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this->savePostPersistedRelations(entity, mergedObjects,
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relationsIgnoreHasChanged);
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}
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}
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}
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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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const bool checkDuplicate, const bool validate,
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const bool relationsIgnoreHasChanged) {
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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 (this->checkTable(entity) && (!validate || this->validate(entity))
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&& !(checkDuplicate && this->count(entity) > 0)) {
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if (persistRelations) {
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this->savePrePersistedRelations(entity, mergedObjects);
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this->savePrePersistedRelations(entity, mergedObjects,
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relationsIgnoreHasChanged);
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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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| ... | ... | |
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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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this->savePostPersistedRelations(entity, mergedObjects,
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relationsIgnoreHasChanged);
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}
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rc = true;
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}
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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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const bool validate, const bool relationsIgnoreHasChanged) {
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auto merged = QList<Entity *>();
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return this->mergeObject(entity, merged, withRelations, validate);
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return this->mergeObject(entity, merged, withRelations, validate,
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relationsIgnoreHasChanged);
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}
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/**
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| ... | ... | |
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* @return
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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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const bool persistRelations, const bool checkDuplicate, const bool validate,
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const bool relationsIgnoreHasChanged) {
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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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checkDuplicate, validate, relationsIgnoreHasChanged);
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}
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/**
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* @brief EntityManager::save
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| ... | ... | |
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* @return bool
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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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const bool persistRelations, const bool ignoreHasChanged, const bool validate,
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const bool relationsIgnoreHasChanged) {
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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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ignoreHasChanged, validate, relationsIgnoreHasChanged);
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}
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EntityManager::EntityManager(QSqlDatabase database,
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return rc;
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}
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/**
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* @brief EntityManager::validate
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* This validates an entity. Its uses the validationRules() method of the specified entity.
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* If there are validation errors, this method will set these errors in the entity object.
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* You can check them with entity->hasErrors(), entity->getErrors() or entity->getErrorsAsString()
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* @param entity
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* @return true if it has no validation errors, false if it has errors
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*/
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bool EntityManager::validate(QSharedPointer<Entity> &entity) {
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QList<ValidationRule> rules = entity->validationRules();
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QList<ErrorMsg> list = QList<ErrorMsg>();
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| ... | ... | |
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}
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}
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/**
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* @brief EntityManager::savePrePersistedRelations
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* @param entity
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* @param mergedObjects
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* @throw can throw in debug mode a QString exception when the type of any Relation is wrong @see EntityManager::checkRelation
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*/
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void EntityManager::savePrePersistedRelations(const QSharedPointer<Entity>
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&entity, QList<Entity *> &mergedObjects) {
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&entity, QList<Entity *> &mergedObjects, bool ignoreHasChanged) {
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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->saveObject(e, mergedObjects);
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this->saveObject(e, mergedObjects, true, ignoreHasChanged);
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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->saveObject(e, mergedObjects);
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this->saveObject(e, mergedObjects, true, ignoreHasChanged);
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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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}
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/**
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* @brief EntityManager::savePostPersistedRelations
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* @param entity
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* @param mergedObjects
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* @throw can throw in debug mode a QString exception when the type of any Relation is wrong @see EntityManager::checkRelation
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*/
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void EntityManager::savePostPersistedRelations(const QSharedPointer<Entity>
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&entity, QList<Entity *> &mergedObjects) {
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&entity, QList<Entity *> &mergedObjects, bool ignoreHasChanged) {
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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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this->checkRelation(var, r);
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#endif
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if (r.getType() == RelationType::MANY_TO_MANY) {
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this->persistManyToMany(entity, r, var, mergedObjects);
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this->persistManyToMany(entity, r, var, mergedObjects, ignoreHasChanged);
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} else if (r.getType() == RelationType::ONE_TO_MANY) {
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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->saveObject(e, mergedObjects);
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this->saveObject(e, mergedObjects, true, ignoreHasChanged);
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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->saveObject(e, mergedObjects);
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this->saveObject(e, mergedObjects, true, ignoreHasChanged);
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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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return propertyIsValid;
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}
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/**
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* @brief EntityManager::generateObjectName
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* Generates a object name with this scheme: em[anyNumber]
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* @return
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*/
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QString EntityManager::generateObjectName() {
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int i = 0;
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QString name = "em[";
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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, QList<Entity *> &mergedObjects) {
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const Relation &r, QVariant &property, QList<Entity *> &mergedObjects,
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const bool ignoreHasChanged) {
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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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| ... | ... | |
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qWarning() << "Entity " << EntityHelper::getClassName(e.data()) <<
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" is affected";
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qWarning() << "Relation of property: " << r.getPropertyName();
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/**
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@todo wait for Qt 5.5.1
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@see https://codereview.qt-project.org/#/c/122232/
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*/
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//qDebug() << "RelationType:" << r.getType() << " MappedBy:" << r.getMappedBy();
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}
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| ... | ... | |
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return this->convert(maps, EntityHelper::getClassname(entity.data()));
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}
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/**
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* @todo should be an insert statement with many values
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* @brief EntityManager::create
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* @param entities
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* @return
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*/
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bool EntityManager::create(QList<QSharedPointer<Entity> > entities,
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const bool persistRelations, const bool validate) {
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const bool persistRelations, const bool validate,
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const bool relationsIgnoreHasChanged) {
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bool ok = true;
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foreach (QSharedPointer<Entity> ent, entities) {
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ok = this->create(ent, persistRelations, validate);
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ok = this->create(ent, persistRelations, validate, relationsIgnoreHasChanged);
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if (!ok) {
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break;
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}
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| src/entitymanager.h | ||
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QSharedPointer<Entity> &entity,
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bool ignoreID = false);
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qint64 findId(QSharedPointer<Entity> &entity);
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/**
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* @todo should be an insert statement with many values
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* @brief EntityManager::create
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* @param entities
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* @return
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*/
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bool create(QList<QSharedPointer<Entity>> entities,
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const bool persistRelations = true, const bool validate = true);
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const bool persistRelations = true, const bool validate = true, const bool relationsIgnoreHasChanged = false);
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bool create(QSharedPointer<Entity> &entity, const bool persistRelations = true,
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const bool checkDuplicate = false, const bool validate = true);
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const bool checkDuplicate = false, const bool validate = true, const bool relationsIgnoreHasChanged = false) ;
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bool save(QSharedPointer<Entity> &entity, const bool persistRelations = true,
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const bool ignoreHasChanged = true, const bool validate = true);
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const bool ignoreHasChanged = false, const bool validate = true, const bool relationsIgnoreHasChanged = false);
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bool merge(QSharedPointer<Entity> &entity, bool withRelations = true,
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const bool validate = true);
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const bool validate = true, const bool relationsIgnoreHasChanged = false);
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bool remove(QSharedPointer<Entity> &entity);
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bool removeAll(QString tblname);
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bool createTable(const QSharedPointer<Entity> &entity,
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| ... | ... | |
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QList<QHash<QString, QVariant> > selectByQuery(Query &query);
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QList<QHash<QString, QVariant> > selectBySql(const QString &sql);
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qint8 count(Query &query);
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/**
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* @brief EntityManager::validate
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* This validates an entity. Its uses the validationRules() method of the specified entity.
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* If there are validation errors, this method will set these errors in the entity object.
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* You can check them with entity->hasErrors(), entity->getErrors() or entity->getErrorsAsString()
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* @param entity
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* @return true if it has no validation errors, false if it has errors
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*/
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bool validate(QSharedPointer<Entity> &entity);
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/**
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* @brief hasChanged
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* @param entity
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* @todo check manyToMany relations
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* @return
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*/
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bool hasChanged(QSharedPointer<Entity> &entity);
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public:
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EntityManager(QSqlDatabase database, bool logQueries = false);
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EntityManager(const QString &databaseType, QString databasename = "" ,
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| ... | ... | |
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}
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protected:
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bool saveObject(QSharedPointer<Entity> &entity, QList<Entity*> &mergedObjects, const bool persistRelations=true,
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const bool ignoreHasChanged=true, const bool validate=true);
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bool mergeObject(QSharedPointer<Entity> &entity, QList<Entity*> &mergedObjects, bool withRelations,
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const bool validate);
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bool createObject(QSharedPointer<Entity> &entity, QList<Entity*> &mergedObjects,const bool persistRelations,
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const bool checkDuplicate, const bool validate);
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bool saveObject(QSharedPointer<Entity> &entity, QList<Entity *> &mergedObjects,
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const bool persistRelations = true,
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const bool ignoreHasChanged = false, const bool validate = true,
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const bool relationsIgnoreHasChanged = false);
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bool mergeObject(QSharedPointer<Entity> &entity, QList<Entity *> &mergedObjects,
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bool withRelations,
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const bool validate, const bool relationsIgnoreHasChanged = false);
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bool 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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const bool relationsIgnoreHasChanged = false);
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template<class T> QList<QSharedPointer<T>> convertList(const
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QList<QSharedPointer<Entity>> &list) {
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QList<QSharedPointer<T>> newList = QList<QSharedPointer<T>>();
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| ... | ... | |
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const QMetaProperty &property, const bool refresh = false,
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const QVariant &id = "");
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void persistManyToMany(const QSharedPointer<Entity> &entity, const Relation &r,
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QVariant &property, QList<Entity*> &mergedObjects);
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QVariant &property, QList<Entity *> &mergedObjects,
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const bool ignoreHasChanged = false);
|
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QList<QHash<QString, QVariant> > findAllByAttributes(const
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QSharedPointer<Entity> &entity,
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bool ignoreID = false);
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| ... | ... | |
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bool ignoreID = false);
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QSharedPointer<Entity> findById(const qint64 &id, QSharedPointer<Entity> &e,
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const bool refresh = false);
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void savePrePersistedRelations(const QSharedPointer<Entity> &entity, QList<Entity*> &mergedObjects);
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void savePostPersistedRelations(const QSharedPointer<Entity> &entity, QList<Entity*> &mergedObjects);
|
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/**
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* @brief EntityManager::savePrePersistedRelations
|
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* @param entity
|
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* @param mergedObjects
|
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* @throw can throw in debug mode a QString exception when the type of any Relation is wrong @see EntityManager::checkRelation
|
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*/
|
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void savePrePersistedRelations(const QSharedPointer<Entity> &entity,
|
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QList<Entity *> &mergedObjects, bool ignoreHasChanged = false);
|
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/**
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* @brief EntityManager::savePostPersistedRelations
|
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* @param entity
|
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* @param mergedObjects
|
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* @throw can throw in debug mode a QString exception when the type of any Relation is wrong @see EntityManager::checkRelation
|
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*/
|
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void savePostPersistedRelations(const QSharedPointer<Entity> &entity,
|
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QList<Entity *> &mergedObjects, bool ignoreHasChanged = false);
|
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|
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QList<QSharedPointer<Entity>> saveRelationEntities(const
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QList<QSharedPointer<Entity>> &list, const Relation &r, QList<Entity*> &mergedObjects);
|
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QList<QSharedPointer<Entity>> &list, const Relation &r,
|
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QList<Entity *> &mergedObjects);
|
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/**
|
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* @brief EntityManager::persistManyToMany
|
||
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* @param entity
|
||
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* @param r
|
||
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* @param property
|
||
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* @param mergedObjects
|
||
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* @todo compare old values with new values if nothing has changed don't persist them
|
||
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*/
|
||
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void persistMappedByRelation(const QList<QSharedPointer<Entity>> &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, QList<Entity*> &mergedObjects);
|
||
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const QString &tblName, QList<Entity *> &mergedObjects);
|
||
|
bool shouldBeSaved(QSharedPointer<Entity> &entity , const Relation &r);
|
||
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void removeRelations(const QSharedPointer<Entity> &entity);
|
||
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void removeEntityList(QVariant &var);
|
||
| ... | ... | |
|
QList<QSharedPointer<Entity>> convert(QList<QHash<QString, QVariant> > maps,
|
||
|
const char *classname, const bool refresh = false,
|
||
|
const bool resolveRelations = true);
|
||
|
/**
|
||
|
@todo wait for Qt 5.5.1
|
||
|
@see https://codereview.qt-project.org/#/c/122232/
|
||
|
*/
|
||
|
void missingManyToManyTable(const QString &tblName,
|
||
|
const QSharedPointer<Entity> &e, const Relation &r);
|
||
|
bool isRelationPropertyValid(const QMetaProperty &prop, const Relation &r,
|
||
|
const QSharedPointer<Entity> &e, const QSharedPointer<Entity> &relatedEntity);
|
||
|
/**
|
||
|
* @brief EntityManager::generateObjectName
|
||
|
* Generates a object name with this scheme: em[anyNumber]
|
||
|
* @return
|
||
|
*/
|
||
|
QString generateObjectName();
|
||
|
void appendToInstanceList();
|
||
|
|
||
Auch abrufbar als: Unified diff
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