public function getReadPreference() { if ($this->cursor) { return $this->cursor->getReadPreference(); } return $this->readPreference; }
/** * 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 $ok */ public function setMongoCursorSlaveOkay($ok) { if ($ok) { // Preserve existing tags for non-primary read preferences $readPref = $this->mongoCursor->getReadPreference(); $this->mongoCursor->setReadPreference(\MongoClient::RP_SECONDARY_PREFERRED, isset($readPref['tagsets']) ? $readPref['tagsets'] : []); } else { $this->mongoCursor->setReadPreference(\MongoClient::RP_PRIMARY); } }
/** * 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 $ok */ public function setMongoCursorSlaveOkay($ok) { if (version_compare(phpversion('mongo'), '1.3.0', '<')) { $this->mongoCursor->slaveOkay($ok); return; } /* MongoCursor::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($this->mongoCursor, 'setReadPreference')) { return; } if ($ok) { // Preserve existing tags for non-primary read preferences $readPref = $this->mongoCursor->getReadPreference(); $tags = !empty($readPref['tagsets']) ? ReadPreference::convertTagSets($readPref['tagsets']) : array(); $this->mongoCursor->setReadPreference(\MongoClient::RP_SECONDARY_PREFERRED, $tags); } else { $this->mongoCursor->setReadPreference(\MongoClient::RP_PRIMARY); } }