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.

final class MongoDB\Driver\Monitoring\TopologyChangedEvent {

/* 方法 */

final public getNewDescription(): MongoDB\Driver\TopologyDescription

final public getPreviousDescription(): MongoDB\Driver\TopologyDescription

}