(mongodb >=1.13.0)
MongoDB\Driver\Monitoring\SDAMSubscriber::topologyOpening — Notification method for opening the topology
$event
): voidIf the subscriber has been registered, the driver will call this method when the topology is opened.
event
(MongoDB\Driver\Monitoring\TopologyOpeningEvent)An event object encapsulating information about the opened topology.
Es wird kein Wert zurückgegeben.