QQNode::__construct PHP Метод

    public function __construct($strName, $strPropertyName, $strType, $objParentNode = null)
    {
        $this->objParentNode = $objParentNode;
        $this->strName = $strName;
        $this->strPropertyName = $strPropertyName;
        $this->strType = $strType;
        if ($objParentNode) {
            $this->strRootTableName = $objParentNode->_RootTableName;
        } else {
            $this->strRootTableName = $strName;
        }
    }