/**
* {@inheritdoc}
*/
public function containsKey($key)
{
if (!$this->initialized && $this->association['fetch'] === ClassMetadata::FETCH_EXTRA_LAZY && isset($this->association['indexBy'])) {
$persister = $this->em->getUnitOfWork()->getCollectionPersister($this->association);
return $this->collection->containsKey($key) || $persister->containsKey($this, $key);
}
return parent::containsKey($key);
}
