public function nth($offset)
{
if (!isset($this->_matchedResponsesAtOffsets) || !array_key_exists($offset, $this->_matchedResponsesAtOffsets)) {
$criteria = new Postmaster_TransportResponseCriteriaModel($this->getAttributes());
$criteria->offset = $offset;
$criteria->limit = 1;
$elements = $criteria->find();
if ($elements) {
$this->_matchedResponsesAtOffsets[$offset] = $elements[0];
} else {
$this->_matchedResponsesAtOffsets[$offset] = null;
}
}
return $this->_matchedResponsesAtOffsets[$offset];
}
public function findById($id)
{
$criteria = new Postmaster_TransportResponseCriteriaModel(array('id' => $id));
return $criteria->first();
}