MongoDB\Driver\Monitoring\TopologyChangedEvent::getPreviousDescription
(mongodb >=1.13.0)
MongoDB\Driver\Monitoring\TopologyChangedEvent::getPreviousDescription — Returns the previous description for the topology
説明
final public MongoDB\Driver\Monitoring\TopologyChangedEvent::getPreviousDescription(): MongoDB\Driver\TopologyDescription
パラメータ
この関数にはパラメータはありません。
戻り値
Returns the previous MongoDB\Driver\TopologyDescription for the topology.
エラー / 例外
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
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