The MongoDB\Driver\WriteConcern class

(mongodb >=1.0.0)

はじめに

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.

クラス概要

final class MongoDB\Driver\WriteConcern implements MongoDB\BSON\Serializable, Serializable {

/* 定数 */

const string MAJORITY = "majority";

/* メソッド */

final public bsonSerialize(): stdClass

final public __construct(string|int $w, ?int $wtimeout = null, ?bool $journal = null)

final public getJournal(): ?bool

final public getW(): string|int|null

final public getWtimeout(): int

final public isDefault(): bool

}

定義済み定数

MongoDB\Driver\WriteConcern::MAJORITY: Majority 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.

変更履歴

バージョン	説明
PECL mongodb 1.7.0	Implements Serializable.
PECL mongodb 1.2.0	Implements MongoDB\BSON\Serializable.

MongoDB\Driver\WriteConcern::bsonSerialize — Returns an object for BSON serialization
MongoDB\Driver\WriteConcern::__construct — Create a new WriteConcern
MongoDB\Driver\WriteConcern::getJournal — Returns the WriteConcern's "journal" option
MongoDB\Driver\WriteConcern::getW — Returns the WriteConcern's "w" option
MongoDB\Driver\WriteConcern::getWtimeout — Returns the WriteConcern's "wtimeout" option
MongoDB\Driver\WriteConcern::isDefault — Checks if this is the default write concern

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