/** * Prepare security- and filter-based restrictions. * @access private */ protected function _prepare_restrictions() { $this->_returns_no_data = !isset($this->_entry) || !$this->_entry->exists(); if (!$this->_returns_no_data) { parent::_prepare_restrictions(); $this->_calculated_restrictions[] = "etob.entry_id = {$this->_entry->id}"; } }