Revision c599658a
Von Christian Ehringfeld vor mehr als 9 Jahren hinzugefügt
| src/entitymanager.cpp | ||
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if ((convertedId == id.toLongLong(&ok)) && ok && convertedId > -1) {
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QString className = EntityInstanceFactory::extractEntityType(property.typeName());
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QSharedPointer<Entity> ptr = QSharedPointer<Entity>();
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if (this->cache.contains(convertedId, className) && (ptr = this->cache.get(convertedId, className)) && ptr.data()) {
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} else {
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if (!(this->cache.contains(convertedId, className) && (ptr = this->cache.get(convertedId, className)) && ptr.data())) {
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ptr = this->findById(convertedId, className);
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}
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if (ptr.data() && ptr.data()->getId() > -1) {
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property.write(entity.data(), QVariant(ptr));
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}
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this->setProperty(entity, ptr, property);
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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::oneToOne(const QSharedPointer<Entity> &entity, const Relation &r, const QMetaProperty &property,
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const QVariant &id) {
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qint64 convertedId = -1;
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bool ok = false;
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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(EntityInstanceFactory::extractEntityType(property.typeName()));
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QSqlQuery q = this->schema.data()->getQueryBuilder().data()->oneToMany(e->getTablename(),
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r.getMappedBy() + "_id", entity.data()->getId(), 1);
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auto listMap = this->convertQueryResult(q);
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auto entities = this->convert(listMap, e->getClassname());
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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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delete e;
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}
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}
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void EntityManager::setListProperty(const QSharedPointer<Entity> &entity, QList<QSharedPointer<Entity> > &list,
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const QMetaProperty &property) const {
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QVariant var;
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| ... | ... | |
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property.write(entity.data(), var);
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}
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void EntityManager::setProperty(const QSharedPointer<Entity> &entiy, QSharedPointer<Entity> value,
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const QMetaProperty &property) const {
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if (value.data() && value.data()->getId() > -1) {
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property.write(entiy.data(), QVariant(value));
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}
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}
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void EntityManager::manyToMany(const QSharedPointer<Entity> &entity, const Relation &r, const QMetaProperty &property) {
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Entity *secEntity = EntityInstanceFactory::createInstance(EntityInstanceFactory::extractEntityType(QString(
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| ... | ... | |
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/**
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* maybe it would be better, to fetch first the ids, look up cache and then request missing entities
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*/
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QSqlQuery q = this->schema.data()->getQueryBuilder().data()->manyToMany(tblName,
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builder.data()->generateManyToManyColumnName(entity), entity.data()->getId(),
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builder.data()->generateManyToManyColumnName(secEntityPtr),
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secEntityPtr.data()->getTablename());
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auto listMap = this->convertQueryResult(q);
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auto entities = this->convert(listMap, entity.data()->getClassname());
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this->setListProperty(entity, entities, property);
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if (this->schema.data()->getTables().contains(tblName)) {
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QSqlQuery q = this->schema.data()->getQueryBuilder().data()->manyToMany(tblName,
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builder.data()->generateManyToManyColumnName(entity), entity.data()->getId(),
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builder.data()->generateManyToManyColumnName(secEntityPtr),
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secEntityPtr.data()->getTablename());
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auto listMap = this->convertQueryResult(q);
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auto entities = this->convert(listMap, entity.data()->getClassname());
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this->setListProperty(entity, entities, property);
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} else {
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qDebug() << "MANY_TO_MANY Table " << tblName << " not exists";
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}
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}
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}
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void EntityManager::oneToOne(const QSharedPointer<Entity> &entity, const Relation &r, const QMetaProperty &property,
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const QVariant &id) {
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}
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QList<QSharedPointer<Entity> > EntityManager::findEntityByAttributes(const QSharedPointer<Entity> &entity,
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bool ignoreID) {
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auto maps = this->findAllByAttributes(entity, ignoreID);
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| ... | ... | |
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if (!listMap.isEmpty()) {
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return listMap.at(0);
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}
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// this->db->select(q);
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// QSqlRecord rec = q.record();
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// QHash<QString, QVariant> map = QHash<QString, QVariant>();
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// if (q.next()) {
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// for (int var = 0; var < rec.count(); ++var) {
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// QVariant variant = rec.value(var);
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// if (variant.isValid()) {
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// map.insert(rec.fieldName(var), variant);
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// }
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// }
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// }
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// return map;
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return QHash<QString, QVariant>();
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}
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| src/entitymanager.h | ||
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QSharedPointer<Entity> findById(const qint64 &id, Entity *&e);
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void setListProperty(const QSharedPointer<Entity> &entity, QList<QSharedPointer<Entity>> &list,
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const QMetaProperty &property) const;
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void setProperty(const QSharedPointer<Entity> &entiy, QSharedPointer<Entity> value, const QMetaProperty &property) const;
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public:
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EntityManager(QSqlDatabase database);
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| src/querybuilder.cpp | ||
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map.insert(m.name(), this->schema.data()->getTypeMap().data()->value(this->schema.data()->TYPE_INTEGER));
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} else if (relations.contains(m.name())) {
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Relation r = relations.value(m.name());
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if (r.getType() == RelationType::MANY_TO_ONE) {
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if (r.getType() == RelationType::MANY_TO_ONE || (r.getType() == RelationType::ONE_TO_ONE
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&& r.getMappedBy().isEmpty())) {
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map.insert(QString(m.name()) + "_id", this->schema.data()->TYPE_BIGINT);
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}
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} else if (entity.data()->getBLOBColumns().contains(m.name())) {
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| ... | ... | |
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* @return
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*/
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QSqlQuery QueryBuilder::findByAttributes(const QHash<QString, QVariant> &m, const QString &tableName,
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const bool &ignoreID) const {
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const bool &ignoreID, const qint64 limit, const qint64 offset) const {
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QSqlQuery q = this->database.data()->getQuery("SELECT * FROM " + this->schema.data()->quoteTableName(
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tableName) + this->where(m, "AND", ignoreID));
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tableName) + this->where(m, "AND", ignoreID) + this->limit(limit, offset));
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this->bindValues(m, q, ignoreID);
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return q;
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}
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QSqlQuery QueryBuilder::findByAttributes(const QSharedPointer<Entity> &e, bool ignoreID) {
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QSqlQuery QueryBuilder::findByAttributes(const QSharedPointer<Entity> &e, bool ignoreID, const qint64 limit,
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const qint64 offset) {
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QHash<QString, QVariant> values = this->getEntityAttributes(e.data()->getMetaProperties(), e);
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return this->findByAttributes(values, e.data()->getTablename(), ignoreID);
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return this->findByAttributes(values, e.data()->getTablename(), ignoreID, limit, offset);
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}
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QSqlQuery QueryBuilder::findAll(const QString &tableName) const {
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| ... | ... | |
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return q;
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}
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QSqlQuery QueryBuilder::oneToMany(const QString &tableName, const QString &attribute, const qint64 &id) {
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QSqlQuery QueryBuilder::oneToMany(const QString &tableName, const QString &attribute, const qint64 &id,
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const qint64 &limit) {
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QHash<QString, QVariant> values = QHash<QString, QVariant>();
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values.insert(attribute, id);
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return this->findByAttributes(values, tableName, false);
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return this->findByAttributes(values, tableName, false, limit);
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}
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QSqlQuery QueryBuilder::manyToMany(const QString &tableName, const QString &attribute, const qint64 &id,
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const QString &foreignKey, const QString &foreignTable) {
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QSqlQuery q = this->database.data()->getQuery();
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QString sql = "SELECT " + this->schema.data()->quoteTableName(foreignTable) + ".* FROM " +
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this->schema.data()->quoteTableName(tableName) + this->leftJoin(foreignTable, tableName,
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this->schema.data()->quoteTableName(tableName) + " " + this->leftJoin(foreignTable, tableName,
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foreignKey) + " WHERE " + this->schema.data()->quoteColumnName(attribute) + "=:id;";
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q.prepare(sql);
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q.bindValue(":id", id);
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//SELECT user.* FROM `parent_child` LEFT JOIN user ON user.id=parent_child.user_id WHERE child_id = 1
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return q;
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}
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QString QueryBuilder::leftJoin(const QString &joinableTable, const QString &tableName, const QString &foreignKey) {
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return "LEFT JOIN " + this->schema.data()->quoteTableName(joinableTable) + " ON " +
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this->schema.data()->quoteColumnName(joinableTable + ".id") + "=" + this->schema.data()->quoteColumnName(
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QString QueryBuilder::leftJoin(const QString &foreignTable, const QString &tableName, const QString &foreignKey) {
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return "LEFT JOIN " + this->schema.data()->quoteTableName(foreignTable) + " ON " +
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this->schema.data()->quoteColumnName(foreignTable + ".id") + "=" + this->schema.data()->quoteColumnName(
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tableName + "." + foreignKey);
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}
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QString QueryBuilder::limit(const qint8 limit, const qint64 offset) const {
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return " LIMIT " + QString(limit) + (offset > 0 ? QString("," + offset) : "");
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QString QueryBuilder::limit(const qint64 &limit, const qint64 &offset) const {
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QString s = "";
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if (limit > 0) {
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s.append(" LIMIT ").append(QString::number(limit));
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}
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if (offset > 0) {
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s.append(" OFFSET ").append(QString::number(offset));
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}
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return s;
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}
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QString QueryBuilder::generateManyToManyColumnName(const QSharedPointer<Entity> &entity) const {
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| src/querybuilder.h | ||
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QString getColumnType(const QString &type) const;
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QSqlQuery find(const qint64 &id, const QString &tableName) const;
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QSqlQuery findByAttributes(const QHash<QString, QVariant> &m, const QString &tableName,
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const bool &ignoreID = true) const;
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QSqlQuery findByAttributes(const QSharedPointer<Entity> &e, bool ignoreID = true);
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const bool &ignoreID = true, const qint64 limit = 0, const qint64 offset = 0) const;
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QSqlQuery findByAttributes(const QSharedPointer<Entity> &e, bool ignoreID = true,const qint64 limit = 0, const qint64 offset = 0);
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QSqlQuery findAll(const QString &tableName) const;
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QSqlQuery remove(const QSharedPointer<Entity> &entity) const;
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QSqlQuery findId(const QSharedPointer<Entity> &entity) const;
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| ... | ... | |
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QSqlQuery count(const QString &tableName) const;
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QSqlQuery merge(const QSharedPointer<Entity> &entity) const;
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QSqlQuery create(const QSharedPointer<Entity> &entity) const;
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QSqlQuery oneToMany(const QString &tableName, const QString &attribute, const qint64 &id);
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QSqlQuery oneToMany(const QString &tableName, const QString &attribute, const qint64 &id, const qint64 &limit = 0);
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QSqlQuery manyToMany(const QString &tableName, const QString &attribute, const qint64 &id, const QString &foreignKey,
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const QString &foreignTable);
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virtual QString limit(const qint8 limit, const qint64 offset) const;
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virtual QString limit(const qint64 &limit, const qint64 &offset) const;
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QString generateManyToManyColumnName(const QSharedPointer<Entity> &entity) const;
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QSqlQuery getQuery() const;
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| ... | ... | |
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QString where(const QHash<QString, QVariant> &m, const QString &conjunction = ",", bool ignoreID = false) const;
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QString attributes(const QHash<QString, QVariant> &m, const QString &conjunction = ",", bool ignoreID = false) const;
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QHash<QString, QVariant> saveAttributes(const QSharedPointer<Entity> &entity) const;
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QString leftJoin(const QString &joinableTable, const QString &tableName, const QString &foreignKey);
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QString leftJoin(const QString &foreignTable, const QString &tableName, const QString &foreignKey);
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QSharedPointer<Schema> schema;
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QSharedPointer<Database> database;
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