MongoDB\Driver\Monitoring\SDAMSubscriber::topologyChanged

(mongodb >=1.13.0)

MongoDB\Driver\Monitoring\SDAMSubscriber::topologyChanged — Notification method for a topology description change

説明

abstract public function MongoDB\Driver\Monitoring\SDAMSubscriber::topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent $event): void

If the subscriber is registered, this method is called when the topology's description changes. For example, a topology discovering a new replica set primary would cause its topology description to change.

パラメータ

event (MongoDB\Driver\Monitoring\TopologyChangedEvent): An event object encapsulating information about the changed topology description.

戻り値

値を返しません。

エラー / 例外

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

参考

MongoDB\Driver\Monitoring\TopologyChangedEvent
MongoDB\Driver\Monitoring\addSubscriber() - Registers a monitoring event subscriber globally
MongoDB\Driver\Manager::addSubscriber() - Registers a monitoring event subscriber with this Manager

関連キーワード:

MongoDB Driver Monitoring topology description SDAMSubscriber event method change Notification topologyChanged TopologyChangedEvent subscriber addSubscriber Registers monitoring Manager serverOpening topologyClosed mongodb abstract registered called changes example