SqlContentEntityStorage::getStorageSchema

protected SqlContentEntityStorage::getStorageSchema()

protected function getStorageSchema() {
  if (!isset($this->storageSchema)) {
    $class = $this->entityType->getHandlerClass('storage_schema') ? : 'Drupal\Core\Entity\Sql\SqlContentEntityStorageSchema';
    $this->storageSchema = new $class($this->entityManager, $this->entityType, $this, $this->database);
  }
  return $this->storageSchema;
}