类 TopologyDescription

constructor

• new TopologyDescription(
      topologyType: TopologyType,
      serverDescriptions?: Map<string, ServerDescription> | null,
      setName?: string | null,
      maxSetVersion?: number | null,
      maxElectionId?: BSON.ObjectId | null,
      commonWireVersion?: number | null,
      options?: TopologyDescriptionOptions | null,
  ): TopologyDescription

  Create a TopologyDescription

  参数

  • topologyType: TopologyType
  • 可选serverDescriptions: Map<string, ServerDescription> | null
  • 可选setName: string | null
  • 可选maxSetVersion: number | null
  • 可选maxElectionId: BSON.ObjectId | null
  • 可选commonWireVersion: number | null
  • 可选options: TopologyDescriptionOptions | null

  返回 TopologyDescription

commonWireVersion

可选compatibilityError

compatible

heartbeatFrequencyMS

localThresholdMS

logicalSessionTimeoutMinutes

maxElectionId

maxSetVersion

servers

setName

stale

type

error

• get error(): MongoServerError | null

  返回 MongoServerError | null

hasDataBearingServers

• get hasDataBearingServers(): boolean

  Determines if this topology description has a data-bearing server available.

  返回 boolean

hasKnownServers

• get hasKnownServers(): boolean

  Determines if the topology description has any known servers

  返回 boolean