MongoDB\Driver\Monitoring\SDAMSubscriber
PHP Manual

MongoDB\Driver\Monitoring\SDAMSubscriber::topologyOpening

Notification method for opening the topology

Description

abstract public void MongoDB\Driver\Monitoring\SDAMSubscriber::topologyOpening(MongoDB\Driver\Monitoring\TopologyOpeningEvent $event)

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

No value is returned.

Errors/Exceptions

  • Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.

See Also

  • MongoDB\Driver\Monitoring\TopologyOpeningEvent
  • MongoDB\Driver\Monitoring\addSubscriber
  • MongoDB\Driver\Manager::addSubscriber