public function CacheBackendMongodb::isEmpty in MongoDB 8

Implements Drupal\Core\Cache\CacheBackendInterface::isEmpty().

Checks if a cache bin is empty. A cache bin is considered empty if it does not contain any valid data for any cache ID.

Return value

TRUE if the cache bin specified is empty.

File

src/CacheBackendMongodb.php, line 272

Definition of Drupal\mongodb/CacheBackendMongodb.

Class

CacheBackendMongodb

Defines MongoDB cache implementation.

Namespace

Drupal\mongodb

Code

public function isEmpty() {
  $this
    ->garbageCollection();
  $item = $this->collection
    ->findOne();
  return empty($item);
}