MongoDB\Driver\Monitoring\SDAMSubscriber::topologyChanged
(mongodb >=1.13.0)
MongoDB\Driver\Monitoring\SDAMSubscriber::topologyChanged — Notification method for a topology description change
说明
abstract public MongoDB\Driver\Monitoring\SDAMSubscriber::topologyChanged(MongoDB\Driver\Monitoring\TopologyChangedEvent
$event): voidIf 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.
参数
event(MongoDB\Driver\Monitoring\TopologyChangedEvent)-
An event object encapsulating information about the changed topology description.
返回值
没有返回值。
错误／异常
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
参见
- 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