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MongoDB\Driver\Monitoring\SDAMSubscriber::topologyOpening
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(mongodb >=1.13.0)
Notification method for opening the topology
Description
MongoDB\Driver\Monitoring\SDAMSubscriber::topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event): void
If the subscriber is registered, this method is called when the topology is opened.
Note
Due to the driver's connection handling and persistence behavior, this event may not be observed if a MongoDB\Driver\Manager uses a previously persisted libmongoc client.
Parameters
event(MongoDB\Driver\Monitoring\TopologyOpeningEvent)An event object encapsulating information about the opened topology.
Return Values
Void
Errors/Exceptions
See Also
MongoDB\Driver\Monitoring\TopologyOpeningEventMongoDB\Driver\Monitoring\addSubscriber()MongoDB\Driver\Manager::addSubscriber()