/**
* {@inheritdoc}
*/
public function getMetadata($collectionName)
{
if (isset($this->metadataInstances[$collectionName])) {
return $this->metadataInstances[$collectionName];
}
if (!$this->hasMetadata($collectionName)) {
throw new NonexistentEntityException($this->translate('Cannot get metadata. Metadata for collection "{collection}" does not exist.', ['collection' => $collectionName]));
}
$metadata = $this->metadataFactory->create($collectionName, $this->metadata[$collectionName]);
return $this->metadataInstances[$collectionName] = $metadata;
}
