MongoDB\Driver\Monitoring
PHP Manual

The MongoDB\Driver\Monitoring\TopologyChangedEvent class

Introduction

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.

Class synopsis

MongoDB\Driver\Monitoring\TopologyChangedEvent
final class MongoDB\Driver\Monitoring\TopologyChangedEvent {
/* Methods */
final public MongoDB\Driver\TopologyDescription getNewDescription()
final public MongoDB\Driver\TopologyDescription getPreviousDescription()
final public MongoDB\BSON\ObjectId getTopologyId()
}
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