/**
* Return the metadata for documents for this index,
* optionally filtered by specific document classes in short notation (e.g. AppBundle:Product)
*
* @param array $documentClasses If given, only metadata for those classes will be returned
* @return DocumentMetadata[]
*/
public function getDocumentsMetadata(array $documentClasses = [])
{
$metadata = $this->metadataCollection->getDocumentsMetadataForIndex($this->managerName);
if (!empty($documentClasses)) {
return array_intersect_key($metadata, array_flip($documentClasses));
}
return $metadata;
}
/**
* Verify that all types are in indices using the same connection object and return that object
*
* @param array $documentClasses
* @return ConnectionManager
*/
private function getConnection(array $documentClasses)
{
$connection = null;
foreach ($documentClasses as $documentClass) {
$indexManagerName = $this->documentMetadataCollection->getDocumentClassIndex($documentClass);
$indexManager = $this->indexManagerFactory->get($indexManagerName);
if (!is_null($connection) && $indexManager->getConnection()->getConnectionName() != $connection->getConnectionName()) {
throw new \InvalidArgumentException(sprintf('All searched types must be in indices within the same connection'));
}
$connection = $indexManager->getConnection();
}
return $connection;
}
/**
* @return DocumentMetadata The metadata for the ES type the provider is for
*/
protected function getDocumentMetadata()
{
return $this->metadataCollection->getDocumentMetadata($this->documentClass);
}