TreeBehavior::getCacheStub PHP Method

    protected function getCacheStub()
    {
        if (is_null($this->_cacheStub)) {
            $owner = $this->getOwner();
            $this->_cacheStub = 'TreeBehaviour:' . $owner->treeTable() . ':' . $owner->id;
        }
        return $this->_cacheStub;
    }