The MongoDB\Driver\Monitoring\TopologyChangedEvent class

    (mongodb >=1.13.0)

    Introduction

    The MongoDB\Driver\Monitoring\TopologyChangedEvent class encapsulates information about a changed topology description.

    Class synopsis

    finalclassMongoDB\Driver\Monitoring\TopologyChangedEvent {
    finalpublicgetNewDescription(): MongoDB\Driver\TopologyDescription
    finalpublicgetPreviousDescription(): MongoDB\Driver\TopologyDescription
    finalpublicgetTopologyId(): MongoDB\BSON\ObjectId
    }

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