function BookUninstallValidator::hasBookOutlines

Checks if there are any books in an outline.

Return value

bool TRUE if there are books, FALSE if not.

File

core/modules/book/src/BookUninstallValidator.php, line 74

Class

BookUninstallValidator

Prevents book module from being uninstalled whilst any book nodes exist or there are any book outline stored.

Namespace

Code

protected function hasBookOutlines() {
    return $this->bookOutlineStorage
        ->hasBooks();
}