public static function createDefaultCluster() { $c = new Criteria(); $c->add(self::NAME, self::_DEFAULT_CLUSTER_); $cluster = self::doSelectOne($c); if (!$cluster) { $cluster = new EtvaCluster(); } $cluster->setIsdefaultcluster(1); $cluster->setName(self::_DEFAULT_CLUSTER_); $cluster->save(); return $cluster; }