MongoDB\Driver\Manager::addSubscriber

Registers a monitoring event subscriber with this Manager

Description

final public void MongoDB\Driver\Manager::addSubscriber(MongoDB\Driver\Monitoring\Subscriber $subscriber)

Registers a monitoring event subscriber with this Manager. The subscriber will be notified of all events for this Manager.

Note: If subscriber is already registered with this Manager, this function is a no-op. If subscriber is also registered globally, it will still only be notified once of each event for this Manager.

Parameters

subscriber (MongoDB\Driver\Monitoring\Subscriber)

A monitoring event subscriber to register with this Manager.

Return Values

No value is returned.

Errors/Exceptions

  • Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
  • Throws MongoDB\Driver\Exception\InvalidArgumentException if subscriber is a MongoDB\Driver\Monitoring\LogSubscriber, since loggers can only be registered globally.

See Also

  • MongoDB\Driver\Manager::removeSubscriber
  • MongoDB\Driver\Monitoring\Subscriber
  • MongoDB\Driver\Monitoring\CommandSubscriber
  • MongoDB\Driver\Monitoring\addSubscriber
  • Application Performance Monitoring (APM)