MongoDB\Driver\Monitoring\SDAMSubscriber::serverChanged
(mongodb >=1.13.0)
MongoDB\Driver\Monitoring\SDAMSubscriber::serverChanged — Notification method for a server description change
说明
abstract public MongoDB\Driver\Monitoring\SDAMSubscriber::serverChanged(MongoDB\Driver\Monitoring\ServerChangedEvent
$event): voidIf the subscriber is registered, this method is called when a server's description changes. For example, a server's type changing from secondary to primary would cause its server description to change.
参数
event(MongoDB\Driver\Monitoring\ServerChangedEvent)-
An event object encapsulating information about the changed server 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\ServerChangedEvent
- MongoDB\Driver\Monitoring\addSubscriber() - Registers a monitoring event subscriber globally
- MongoDB\Driver\Manager::addSubscriber() - Registers a monitoring event subscriber with this Manager