/**
* {@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;
}