MongoDB\Driver\Monitoring\CommandFailedEvent::getServiceId

(mongodb >=1.11.0)

MongoDB\Driver\Monitoring\CommandFailedEvent::getServiceId — Returns the load balancer service ID for the command

说明

final public MongoDB\Driver\Monitoring\CommandFailedEvent::getServiceId ( ) : MongoDB\BSON\ObjectId|null

When the driver is connected to a MongoDB cluster through a load balancer, the service ID corresponds to the serviceId field in the hello command response.

参数

此函数没有参数。

返回值

Returns the load balancer service ID, or null if the driver is not connected to a load balancer.

错误／异常

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

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