Class TopologyDescription

constructor

• new TopologyDescription(topologyType, serverDescriptions?, setName?, maxSetVersion?, maxElectionId?, commonWireVersion?, options?): TopologyDescription

• Create a TopologyDescription创建拓扑描述

  Parameters

  • topologyType: TopologyType

  • serverDescriptions: null | Map<string, ServerDescription> = null

  • setName: null | string = null

  • maxSetVersion: null | number = null

  • maxElectionId: null | ObjectId = null

  • commonWireVersion: null | number = null

  • options: null | TopologyDescriptionOptions = null

  Returns TopologyDescription

commonWireVersion

Optional compatibilityError

compatible

heartbeatFrequencyMS

localThresholdMS

logicalSessionTimeoutMinutes

maxElectionId

maxSetVersion

servers

setName

stale

type

error

• get error(): null | MongoServerError

• Returns null | MongoServerError

hasDataBearingServers

• get hasDataBearingServers(): boolean

• Determines if this topology description has a data-bearing server available.确定此拓扑描述是否有可用的数据承载服务器。

  Returns boolean

hasKnownServers

• get hasKnownServers(): boolean

• Determines if the topology description has any known servers确定拓扑描述是否有任何已知的服务器

  Returns boolean