/**
* Wrapper method for RiakCollection::getReadPreference().
*
* For driver versions between 1.3.0 and 1.3.3, the return value will be
* converted for consistency with {@link Collection::setReadPreference()}.
*
* @see http://php.net/manual/en/mongocollection.getreadpreference.php
* @return array
*/
public function getReadPreference()
{
return ReadPreference::convertReadPreference($this->riakCollection->getReadPreference());
}
/**
* Set whether secondary read queries are allowed for this cursor.
*
* This method wraps setSlaveOkay() for driver versions before 1.3.0. For
* newer drivers, this method either wraps setReadPreference() method and
* specifies SECONDARY_PREFERRED or does nothing, depending on whether
* setReadPreference() exists.
*
* @param boolean $ok
*/
public function setRiakCursorSlaveOkay($ok)
{
if (version_compare(phpversion('mongo'), '1.3.0', '<')) {
$this->riakCursor->slaveOkay($ok);
return;
}
/* RiakCursor::setReadPreference() may not exist until 1.4.0. Although
* we could throw an exception here, it's more user-friendly to NOP.
*/
if (!method_exists($this->riakCursor, 'setReadPreference')) {
return;
}
if ($ok) {
// Preserve existing tags for non-primary read preferences
$readPref = $this->riakCursor->getReadPreference();
$tags = !empty($readPref['tagsets']) ? ReadPreference::convertTagSets($readPref['tagsets']) : array();
$this->riakCursor->setReadPreference(\RiakClient::RP_SECONDARY_PREFERRED, $tags);
} else {
$this->riakCursor->setReadPreference(\RiakClient::RP_PRIMARY);
}
}
/**
* Wrapper method for RiakClient::getReadPreference().
*
* For driver versions between 1.3.0 and 1.3.3, the return value will be
* converted for consistency with {@link Connection::setReadPreference()}.
*
* @see http://php.net/manual/en/mongoclient.getreadpreference.php
* @return array
*/
public function getReadPreference()
{
$this->initialize();
return ReadPreference::convertReadPreference($this->riakClient->getReadPreference());
}
