public function find(array $conditions = null, array $sortings = null, $offset = 0, $batch = 10) { $co = new Collection(clone $this->_dataObject); if (is_array($conditions)) { $co->setConditions($conditions); } if (is_array($sortings)) { $co->setSortings($sortings); } $co->setBoundaryOffset($offset); $co->setBoundaryBatch($batch); $co->find(); return $co; }