MongoDB\Driver\ReadPreference::getModeString
(mongodb >=1.7.0)
MongoDB\Driver\ReadPreference::getModeString — Returns the ReadPreference's "mode" option
説明
パラメータ
この関数にはパラメータはありません。
戻り値
Returns the ReadPreference's "mode" option as a string.
エラー / 例外
- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
例
例1 MongoDB\Driver\ReadPreference::getModeString() example
<?php
$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY);
var_dump($rp->getModeString());
$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::PRIMARY_PREFERRED);
var_dump($rp->getModeString());
$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::SECONDARY);
var_dump($rp->getModeString());
$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::SECONDARY_PREFERRED);
var_dump($rp->getModeString());
$rp = new MongoDB\Driver\ReadPreference(MongoDB\Driver\ReadPreference::NEAREST);
var_dump($rp->getModeString());
?>
上の例の出力は以下となります。
string(7) "primary" string(16) "primaryPreferred" string(9) "secondary" string(18) "secondaryPreferred" string(7) "nearest"
参考
- MongoDB\Driver\ReadPreference::getMode() - Returns the ReadPreference's "mode" option
- » Read Preference reference
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