MongoDB\Driver\Manager
PHP-Handbuch

MongoDB\Driver\Manager::selectServer

Select a server matching a read preference

Beschreibung

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

Selects a MongoDB\Driver\Server matching readPreference. This may be used to preselect a server in order to perform version checking before executing an operation.

Hinweis:

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.

Parameter-Liste

readPreference

Optionally, a MongoDB\Driver\ReadPreference to route the command to. If none given, defaults to the Read Preferences set by the MongoDB Connection URI.

Rückgabewerte

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

Fehler/Exceptions

  • Throws MongoDB\Driver\AuthenticationException if authentication is needed and fails
  • Throws MongoDB\Driver\ConnectionException if connection to the server fails for other then authentication reasons
  • Throws MongoDB\Driver\Exception\RuntimeException if a server matching the read preference could not be found.

Siehe auch