/**
* {@inheritdoc}
*/
public function calculateDBValue(IObject $object, $localeId = null)
{
if (!$object instanceof IHierarchicObject) {
throw new RuntimeException($this->translate('Cannot calculate order value for nonhierarchical object.'));
}
if (null != ($order = $object->getProperty($this->getName())->getDbValue())) {
return $order;
}
return $object->getCollection()->getMaxOrder($object->getParent()) + 1;
}
/**
* {@inheritdoc}
*/
public function contains(IObject $object)
{
return $object->getCollection() === $this;
}
/**
* Возвращает объект содержащий в себе свойства связи (объект bridge-коллекции) либо null, если такого нет
* @param IObject $object связанный объект (объект target-коллекции)
* @throws InvalidArgumentException если передан объект неподходящей коллекции
* @return IObject|null
*/
protected function getLinkObject(IObject $object)
{
$collectionName = $this->field->getTargetCollectionName();
$collection = $object->getCollection();
if ($collectionName != $collection->getName() && ($collection instanceof ILinkedHierarchicCollection && $collection->getCommonHierarchy()->getName())) {
throw new InvalidArgumentException($this->translate('Cannot get linked object. IObject from wrong collection is given.'));
}
if ($this->set->contains($object) && ($data = $this->set->offsetGet($object))) {
return $data['linkObject'];
}
if ($this->isCompletelyLoaded && !$this->set->contains($object) || $object->getIsNew()) {
return null;
}
$linkObject = $this->getBridgeCollection()->select()->where($this->field->getRelatedFieldName())->equals($this->object)->where($this->field->getTargetFieldName())->equals($object)->limit(1)->result()->fetch();
if (!$linkObject instanceof IObject) {
return null;
}
$this->attachObjectToStorage($object, array('linkObject' => $linkObject, 'deleted' => false));
return $linkObject;
}
/**
* {@inheritdoc}
*/
public function unloadObject(IObject $object)
{
$collectionName = $object->getCollection()->getName();
if (isset($this->objectsById[$collectionName][$object->getId()])) {
unset($this->objectsById[$collectionName][$object->getId()]);
}
if (isset($this->objectsByGuid[$object->getGUID()])) {
unset($this->objectsByGuid[$object->getGUID()]);
}
$this->getObjectPersister()->clearObjectState($object);
return $this;
}
