private function _initialize()
{
$params = $this->getParameters();
if ($params !== null) {
for ($i = 0; $i < count($params); $i++) {
if (self::COMMENTS_KEY === $params[$i]->getType()) {
$comment = new Comment();
$comment->setValue($params[$i]->getValue());
array_push($this->_comments, $comment);
}
}
}
}