The MongoDB\Driver\WriteConcern class
MongoDB\Driver\WriteConcern describes the level of acknowledgement requested from MongoDB for write operations to a standalone mongod or to replica sets or to sharded clusters. In sharded clusters, mongos instances will pass the write concern on to the shards.
Intro
MongoDB\Driver\WriteConcern describes the level of acknowledgement requested from MongoDB for write operations to a standalone mongod or to replica sets or to sharded clusters. In sharded clusters, mongos instances will pass the write concern on to the shards.
Class synopsis
Properties
wThe write concern value (integer number of nodes, the string
"majority", or a custom write concern tag name), or null if not set.jWhether write operations must be committed to the journal before acknowledged, or null if not specified.
wtimeoutThe timeout in milliseconds to wait for write concern acknowledgement. A value of
0means to wait indefinitely.
Predefined Constants
MongoDB\Driver\WriteConcern::MAJORITYMajority of all the members in the set; arbiters, non-voting members, passive members, hidden members and delayed members are all included in the definition of majority write concern.
Changelog
| Version | Description |
|---|---|
| PECL mongodb 2.3.0 | Added public readonly properties. |
| PECL mongodb 1.7.0 | Implements Serializable. |
| PECL mongodb 1.2.0 | Implements MongoDB\BSON\Serializable. |
Writeconcern