本文整理汇总了PHP中MongoDB::setReadPreference方法的典型用法代码示例。如果您正苦于以下问题：PHP MongoDB::setReadPreference方法的具体用法？PHP MongoDB::setReadPreference怎么用？PHP MongoDB::setReadPreference使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类MongoDB的用法示例。
在下文中一共展示了MongoDB::setReadPreference方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的PHP代码示例。
示例1: setSlaveOkay
/**
* Set whether secondary read queries are allowed for this database.
*
* This method wraps setSlaveOkay() for driver versions before 1.3.0. For
* newer drivers, this method wraps setReadPreference() and specifies
* SECONDARY_PREFERRED.
*
* @see http://php.net/manual/en/mongodb.setreadpreference.php
* @see http://php.net/manual/en/mongodb.setslaveokay.php
* @param boolean $ok
* @return boolean Previous slaveOk value
*/
public function setSlaveOkay($ok = true)
{
$prevSlaveOkay = $this->getSlaveOkay();
if ($ok) {
// Preserve existing tags for non-primary read preferences
$readPref = $this->getReadPreference();
$tags = !empty($readPref['tagsets']) ? $readPref['tagsets'] : [];
$this->mongoDB->setReadPreference(\MongoClient::RP_SECONDARY_PREFERRED, $tags);
} else {
$this->mongoDB->setReadPreference(\MongoClient::RP_PRIMARY);
}
return $prevSlaveOkay;
}示例2: setSlaveOkay
/**
* Set whether secondary read queries are allowed for this database.
*
* This method wraps setSlaveOkay() for driver versions before 1.3.0. For
* newer drivers, this method wraps setReadPreference() and specifies
* SECONDARY_PREFERRED.
*
* @see http://php.net/manual/en/mongodb.setreadpreference.php
* @see http://php.net/manual/en/mongodb.setslaveokay.php
* @param boolean $ok
* @return boolean Previous slaveOk value
*/
public function setSlaveOkay($ok = true)
{
if (version_compare(phpversion('mongo'), '1.3.0', '<')) {
return $this->mongoDB->setSlaveOkay($ok);
}
$prevSlaveOkay = $this->getSlaveOkay();
if ($ok) {
// Preserve existing tags for non-primary read preferences
$readPref = $this->getReadPreference();
$tags = !empty($readPref['tagsets']) ? $readPref['tagsets'] : array();
$this->mongoDB->setReadPreference(\MongoClient::RP_SECONDARY_PREFERRED, $tags);
} else {
$this->mongoDB->setReadPreference(\MongoClient::RP_PRIMARY);
}
return $prevSlaveOkay;
}示例3: readNearest
public function readNearest(array $tags = null)
{
$this->mongoDB->setReadPreference(\MongoClient::RP_NEAREST, $tags);
return $this;
}