Class WriteConcern

constructor

• new WriteConcern(w?, wtimeoutMS?, journal?, fsync?): WriteConcern

• Constructs a WriteConcern from the write concern properties.

  Parameters

  • Optionalw: W

    request acknowledgment that the write operation has propagated to a specified number of mongod instances or to mongod instances with specified tags.
  • OptionalwtimeoutMS: number

    specify a time limit to prevent write operations from blocking indefinitely
  • Optionaljournal: boolean

    request acknowledgment that the write operation has been written to the on-disk journal
  • Optionalfsync: boolean | 1

    equivalent to the j option. Is deprecated and will be removed in the next major version.

  Returns WriteConcern

Optionalfsync

Optionalj

Optional Readonlyjournal

Optional Readonlyw

Optionalwtimeout

Optional ReadonlywtimeoutMS

Staticapply

• apply(command, writeConcern): Document

• Apply a write concern to a command document. Will modify and return the command.

  Parameters

  • command: Document
  • writeConcern: WriteConcern

  Returns Document

StaticfromOptions

• fromOptions(options?, inherit?): undefined | WriteConcern

• Construct a WriteConcern given an options object.

  Parameters

  • Optionaloptions: WriteConcernOptions | W | WriteConcern
  • Optionalinherit: WriteConcernOptions | WriteConcern

  Returns undefined | WriteConcern