function BookUninstallValidator::hasBookNodes

Determines if there is any book nodes or not.

Return value

bool TRUE if there are book nodes, FALSE otherwise.

File

core/modules/book/src/BookUninstallValidator.php, line 86

Class

BookUninstallValidator

Prevents book module from being uninstalled under certain conditions.

Namespace

Code

protected function hasBookNodes() {
  $nodes = $this->entityTypeManager
    ->getStorage('node')
    ->getQuery()
    ->condition('type', 'book')
    ->accessCheck(FALSE)
    ->range(0, 1)
    ->execute();
  return !empty($nodes);
}