MongoDB\Driver\Manager::selectServer

(mongodb >=1.0.0)

MongoDB\Driver\Manager::selectServerSelect a server matching a read preference

説明

final public MongoDB\Driver\Manager::selectServer(?MongoDB\Driver\ReadPreference $readPreference = null): MongoDB\Driver\Server

Selects a MongoDB\Driver\Server matching readPreference. If readPreference is null or omitted, the primary server will be selected by default. This may be used to preselect a server in order to perform version checking before executing an operation.

注意: Unlike MongoDB\Driver\Manager::getServers(), this method will initialize database connections and perform server discovery if necessary. See the » Server Selection Specification for additional information.

パラメータ

readPreference (MongoDB\Driver\ReadPreference)

The read preference to use for selecting a server. If null or omitted, the primary server will be selected by default.

戻り値

Returns a MongoDB\Driver\Server matching the read preference.

エラー / 例外

変更履歴

バージョン 説明
PECL mongodb 1.11.0 The readPreference is now optional. If null or omitted, the primary server will be selected by default.

参考

関連キーワード:  Driver, server, read, preference, Manager, Select, Server, readPreference, Exception, 失敗