/**
* Is ancestor.
*
* @param Model $descendant
* @return boolean
*
* @throws \Langaner\MaterializedPath\Exceptions\ModelNotFoundException
*/
public function isAncestorOf(Model $descendant)
{
if (!$this->exists) {
throw new ModelNotFoundException('Model doesnt exist');
}
$path = $this->getTreePath() . (int) $this->getKey() . $this->separator;
return strpos($descendant->getTreePath(), $path) !== false && $descendant->getTreePath() !== $this->getTreePath();
}
