MongoDB\Driver\Manager::selectServer

(mongodb >=1.0.0)

MongoDB\Driver\Manager::selectServer — Select a server matching a read preference

Açıklama

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.

Bilginize: 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.

Bağımsız Değişkenler

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.

Dönen Değerler

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

Hatalar/İstisnalar

Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
Throws MongoDB\Driver\Exception\ConnectionException if connection to the server fails (for reasons other than authentication).
Throws MongoDB\Driver\Exception\AuthenticationException if authentication is needed and fails.
Throws MongoDB\Driver\Exception\RuntimeException if a server matching the read preference could not be found.

Sürüm Bilgisi

Sürüm:	Açıklama
PECL mongodb 1.11.0	The `readPreference` is now optional. If `null` or omitted, the primary server will be selected by default.

Ayrıca Bakınız

MongoDB\Driver\Server
MongoDB\Driver\Manager::getServers() - Return the servers to which this manager is connected
» Server Selection Specification

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