public function loadOwnerProperty($side, $item)
{
$owner = parent::loadSingleProperty($side, $item);
if ($owner === null) {
$this->removeItemOwner($side->config(), $item);
} else {
$this->addOwnerItems($side->config(), $owner, $item);
}
}
public function loadProperty($side, $related)
{
$value = parent::loadSingleProperty($side, $related);
if ($value === null) {
$this->unlinkProperties($side, $related);
} elseif ($side->type() === 'owner') {
$this->linkProperties($side->config(), $value, $related);
} else {
$this->linkProperties($side->config(), $related, $value);
}
}
