/**
* Returns the global SRDatabase object, only creating it if it
* doesn't already exist.
*
* @return object SRDatabase object
*/
public static function getInstance()
{
if (!isset(self::$instance)) {
$c = __CLASS__;
self::$instance = new $c();
}
return self::$instance;
}
public static function getNode()
{
jimport('solidres.nestedsetmodel.node');
return SRNode::getInstance();
}
