/**
* Shut down, close connections and destroy the cached instance.
*
*/
static function destroyInstance()
{
if (self::$instance) {
self::$instance->shutdown();
self::$instance->forEachLBCallMethod('closeAll');
self::$instance = null;
}
}
/**
* Set the instance to be the given object
*
* @param LBFactory $instance
*/
static function setInstance($instance)
{
self::destroyInstance();
self::$instance = $instance;
}
