/**
* Returns the parent of this node or <b>null</b> when no parent node
* exists.
*
* @return PHP_PMD_AbstractNode
*/
public function getParent()
{
if (($node = $this->_node->getParent()) === null) {
return null;
}
return new PHP_PMD_Node_ASTNode($node, $this->getFileName());
}
