The MongoDB\Driver\Monitoring\TopologyChangedEvent class

(mongodb >=1.13.0)

简介

The MongoDB\Driver\Monitoring\TopologyChangedEvent class encapsulates information about a changed topology description. For example, a topology discovering a new replica set primary would cause its topology description to change.

类摘要

final class MongoDB\Driver\Monitoring\TopologyChangedEvent {
/* 属性 */
public readonly MongoDB\BSON\ObjectId $topologyId;
public readonly MongoDB\Driver\TopologyDescription $newDescription;
public readonly MongoDB\Driver\TopologyDescription $previousDescription;
/* 方法 */
final public getNewDescription(): MongoDB\Driver\TopologyDescription
final public getPreviousDescription(): MongoDB\Driver\TopologyDescription
final public getTopologyId(): MongoDB\BSON\ObjectId
}

属性

topologyId
The topology ID.
newDescription
The new topology description.
previousDescription
The previous topology description.

更新日志

版本 说明
PECL mongodb 2.3.0 Added public readonly properties.

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