/**
* Get a comment, optionally a specific instance.
*
* @access public
* @param string $parentId
* @param string $commentId
* @throws Exception
* @return model_comment
*/
public function getComment($parentId, $commentId = null)
{
if (!$this->exists()) {
throw new Exception('Invalid data.', 62);
}
$comment = new model_comment($this->_conf, $this->_store);
$comment->setPaste($this);
$comment->setParentId($parentId);
if ($commentId !== null) {
$comment->setId($commentId);
}
return $comment;
}
