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Revision f4e3904b

Von Christian Ehringfeld vor mehr als 9 Jahren hinzugefügt

  • ID f4e3904b4ac79d50a697c7e246911c6d1e61b2e6
  • Vorgänger 03fe3afa
  • Nachfolger 1e213c09

could(!) work, relation loading still not implemented

Unterschiede anzeigen:

EntityManager.pro
src/databasemigration.h \
src/querybuilder.h \
src/schema/sqlitequerybuilder.h \
src/relation.h
src/relation.h \
src/entityinstancefactory.h
SOURCES += \
src/entity.cpp \
......
src/databasemigration.cpp \
src/querybuilder.cpp \
src/schema/sqlitequerybuilder.cpp \
src/relation.cpp
src/relation.cpp \
src/entityinstancefactory.cpp
unix {
target.path = /usr/lib
src/entity.cpp
return "id";
}
QHash<QString, QMetaProperty> Entity::getMetaProperties() const {
QHash<QString, QMetaProperty> h = QHash<QString, QMetaProperty>();
for (int var = 0; var < this->metaObject()->propertyCount(); ++var) {
QMetaProperty m = this->metaObject()->property(var);
if (m.name() != QString("objectName") && m.isValid()) {
h.insert(m.name(), m);
}
}
return h;
}
const char *Entity::getClassname() const {
return this->metaObject()->className();
}
qint64 Entity::getId() const {
return id;
}
src/entity.h
virtual QStringList getBLOBColumns();
//return value must be the exact name defined in Q_PROPERTY
virtual QString getPrimaryKey();
QHash<QString, QMetaProperty> getMetaProperties() const;
const char* getClassname() const;
qint64 getId() const;
void setId(const qint64 &value);
src/entityinstancefactory.cpp
#include "entityinstancefactory.h"
#include "entity.h"
#include <QMetaType>
using namespace CuteEntityManager;
EntityInstanceFactory::EntityInstanceFactory() {
}
Entity *EntityInstanceFactory::createInstance(const char *className) {
return EntityInstanceFactory::createInstance(QMetaType::type(className));
}
Entity *EntityInstanceFactory::createInstance(int id) {
Entity *e = 0;
if (id != -1) {
e = static_cast<Entity *>(QMetaType::create(id));
}
return e;
}
Entity *EntityInstanceFactory::createInstance(const char *className, const QHash<QString, QVariant> &attributes) {
Entity *e = EntityInstanceFactory::createInstance(className);
EntityInstanceFactory::setAttributes(e, attributes);
return e;
}
Entity *EntityInstanceFactory::setAttributes(Entity *e, const QHash<QString, QVariant> &attributes,
QHash<QString, QMetaProperty> metaprops) {
if (e) {
auto iterator = attributes.constBegin();
while (iterator != attributes.constEnd()) {
if (metaprops.contains(iterator.key())) {
QMetaProperty prop = metaprops.value(iterator.key());
if (!prop.isWritable() && !prop.write(e, iterator.value())) {
qDebug() << prop.name() << "on Entity" << e->getClassname() << "not writeable!";
}
}
++iterator;
}
}
return e;
}
Entity *EntityInstanceFactory::setAttributes(Entity *e, const QHash<QString, QVariant> &attributes) {
auto metaprops = e->getMetaProperties();
return EntityInstanceFactory::setAttributes(e, attributes, metaprops);
}
src/entityinstancefactory.h
#ifndef ENTITYINSTANCEFACTORY_H
#define ENTITYINSTANCEFACTORY_H
#include <QString>
#include <QVariant>
#include <QHash>
namespace CuteEntityManager {
class Entity;
class EntityInstanceFactory {
public:
static Entity *createInstance(const char *className);
static Entity *createInstance(int id);
static Entity *createInstance(const char *className, const QHash<QString, QVariant> &attributes);
static Entity *setAttributes(Entity *e, const QHash<QString, QVariant> &attributes, QHash<QString, QMetaProperty> metaprops);
static Entity *setAttributes(Entity *e, const QHash<QString, QVariant> &attributes);
protected:
EntityInstanceFactory();
};
}
#endif // ENTITYINSTANCEFACTORY_H
src/entitymanager.cpp
#include "entitymanager.h"
#include "enums/databasetype.h"
#include "entityinstancefactory.h"
using namespace CuteEntityManager;
/**
* Relationen fehlen noch
* Fehlermeldungen erstellen am besten eine Exception Klasse diesbzgl. erstellen
*/
QStringList EntityManager::connectionNames = QStringList();
......
EntityManager::connectionNames.removeOne(name);
}
QList<QSharedPointer<Entity> > EntityManager::findAllEntities(QSharedPointer<Entity> entity) {
QList<QSharedPointer<Entity>> EntityManager::findAllEntities(QSharedPointer<Entity> entity) {
auto maps = this->findAll(entity.data()->getTablename());
return this->convert(maps, entity.data()->getClassname());
}
QSharedPointer<Entity> EntityManager::convert(const QHash<QString, QVariant> &map, const char *classname) {
return QSharedPointer<Entity>(EntityInstanceFactory::createInstance(classname, map));
}
QList<QSharedPointer<Entity> > EntityManager::convert(QList<QHash<QString, QVariant> > maps, const char *classname) {
auto list = QList<QSharedPointer<Entity> >();
for (int var = 0; var < maps.size(); ++var) {
list.append(this->convert(maps.at(var), classname));
}
return list;
}
QSharedPointer<Entity> EntityManager::findEntity(QSharedPointer<Entity> entity) {
QSharedPointer<Entity> EntityManager::findEntity(QSharedPointer<Entity> entity) {
auto map = this->find(entity);
return this->convert(map, entity.data()->getClassname());
}
QList<QSharedPointer<Entity> > EntityManager::findEntityByAttributes(const QSharedPointer<Entity> &entity,
bool ignoreID) {
auto maps = this->findByAttributes(entity, ignoreID);
return this->convert(maps, entity.data()->getClassname());
}
/**
......
return map;
}
QList<QHash<QString, QVariant> > EntityManager::findByAttributes(const QSharedPointer<Entity> &entity, bool ignoreID) {
QSqlQuery q = this->schema.data()->getQueryBuilder().data()->findByAttributes(entity, ignoreID);
return this->convertQueryResult(q);
src/entitymanager.h
QList<QHash<QString, QVariant> > findAll(QString tblname);
QHash<QString, QVariant> find(QSharedPointer<Entity> entity);
QHash<QString, QVariant> find(qint64 id, QString tblname);
QSharedPointer<Entity> convert(const QHash<QString, QVariant> &map, const char *classname);
QList<QSharedPointer<Entity>> convert(QList<QHash<QString, QVariant> > maps,const char *classname);
QList<QHash<QString, QVariant> > findByAttributes(const QSharedPointer<Entity> &entity, bool ignoreID = false);
QList<QHash<QString, QVariant> > findByAttributes(const QHash<QString, QVariant> &m, const QString &tblname,
bool ignoreID = false);
src/querybuilder.cpp
bool first = true;
QString s = "CREATE TABLE ";
s.append(this->schema.data()->quoteTableName(tableName).append(" (\n"));
QHash<QString, QString>::const_iterator i = tableDefinition.constBegin();
auto i = tableDefinition.constBegin();
while (i != tableDefinition.constEnd()) {
if (first) {
first = false;
......
database = value;
}
QHash<QString, QMetaProperty> QueryBuilder::getMetaProperties(const QSharedPointer<Entity> &entity) const {
QHash<QString, QMetaProperty> h = QHash<QString, QMetaProperty>();
for (int var = 0; var < entity.data()->metaObject()->propertyCount(); ++var) {
QMetaProperty m = entity.data()->metaObject()->property(var);
if (m.name() != QString("objectName") && m.isValid()) {
h.insert(m.name(), m);
}
}
return h;
}
QString QueryBuilder::buildCreateQuery(QHash<QString, QVariant>::const_iterator i,
QHash<QString, QVariant>::const_iterator end,
QString &p1, QString &p2) const {
......
const {
auto relations = QHash<QString, QHash<QString, QString>>();
QHash<QString, Relation> m = entity.data()->getRelations();
auto props = this->getMetaProperties(entity);
auto props = entity.data()->getMetaProperties();
for (auto i = m.begin(); i != m.end(); ++i) {
Relation r = i.value();
if (r.getType() == MANY_TO_MANY && r.getMappedBy().isEmpty()) {
......
}
QSqlQuery QueryBuilder::findByAttributes(const QSharedPointer<Entity> &e, bool ignoreID) {
QHash<QString, QVariant> values = this->getEntityAttributes(this->getMetaProperties(e), e);
QHash<QString, QVariant> values = this->getEntityAttributes(e.data()->getMetaProperties(), e);
return this->findByAttributes(values, e.data()->getTablename(), ignoreID);
}
......
}
QSqlQuery QueryBuilder::findId(const QSharedPointer<Entity> &entity) const {
QHash<QString, QVariant> values = this->getEntityAttributes(this->getMetaProperties(entity), entity);
QHash<QString, QVariant> values = this->getEntityAttributes(entity.data()->getMetaProperties(), entity);
QSqlQuery q = this->database.data()->getQuery("SELECT " + this->schema.data()->quoteColumnName("id") + " FROM " +
this->schema.data()->quoteTableName(
entity.data()->getTablename()) + this->where(values,
......
}
QSqlQuery QueryBuilder::count(const QSharedPointer<Entity> &entity, bool ignoreID) const {
QHash<QString, QVariant> values = this->getEntityAttributes(this->getMetaProperties(entity), entity);
QHash<QString, QVariant> values = this->getEntityAttributes(entity.data()->getMetaProperties(), entity);
QSqlQuery q = this->database.data()->getQuery("SELECT COUNT(*) FROM " + this->schema.data()->quoteTableName(
entity.data()->getTablename()) + this->where(
values, "AND", ignoreID));
......
}
QHash<QString, QVariant> QueryBuilder::saveAttributes(const QSharedPointer<Entity> &entity) const {
auto props = this->getMetaProperties(entity);
auto props = entity.data()->getMetaProperties();
auto values = this->getEntityAttributes(props, entity);
auto relValues = this->getManyToOneAttributes(props, entity);
auto iterator = relValues.constBegin();
......
return values;
}
Entity *QueryBuilder::createInstance(const char *className) const {
return this->createInstance(QMetaType::type(className));
}
Entity *QueryBuilder::createInstance(int id) const {
Entity *e = 0;
if (id != -1) {
e = static_cast<Entity *>(QMetaType::create(id));
}
return e;
}
QHash<QString, QVariant> QueryBuilder::getEntityAttributes(const QHash<QString, QMetaProperty> &props,
const QSharedPointer<Entity> &entity) const {
Entity *e = entity.data();
......
}
QString QueryBuilder::where(const QSharedPointer<Entity> &entity, QString conjunction, bool ignoreID) const {
return this->where(this->getEntityAttributes(this->getMetaProperties(entity), entity), conjunction, ignoreID);
return this->where(this->getEntityAttributes(entity.data()->getMetaProperties(), entity), conjunction, ignoreID);
}
QString QueryBuilder::where(const QHash<QString, QVariant> &m, const QString &conjunction, bool ignoreID) const {
src/relation.cpp
this->mappedBy = mappedBy;
this->optional = true;
this->tableName = tableName;
this->cascadeType = cascadeType;
if (this->type == MANY_TO_ONE) {
this->cascadeType = ALL;
} else {
this->cascadeType = cascadeType;
}
}

Auch abrufbar als: Unified diff