DBServer::GetEnvironmentObject PHP Method

    public function GetEnvironmentObject()
    {
        if (!$this->environment) {
            $this->environment = Scalr_Model::init(Scalr_Model::ENVIRONMENT)->loadById($this->envId);
        }
        return $this->environment;
    }

 private function DeregisterInstanceFromLB(DBServer $DBServer)
 {
     try {
         $DBFarmRole = $DBServer->GetFarmRoleObject();
         if ($DBFarmRole->GetSetting(DBFarmRole::SETTING_BALANCING_USE_ELB) == 1) {
             $Client = $DBServer->GetClient();
             $AmazonELBClient = Scalr_Service_Cloud_Aws::newElb($DBServer->GetProperty(EC2_SERVER_PROPERTIES::REGION), $DBServer->GetEnvironmentObject()->getPlatformConfigValue(Modules_Platforms_Ec2::ACCESS_KEY), $DBServer->GetEnvironmentObject()->getPlatformConfigValue(Modules_Platforms_Ec2::SECRET_KEY));
             $AmazonELBClient->DeregisterInstancesFromLoadBalancer($DBFarmRole->GetSetting(DBFarmRole::SETTING_BALANCING_NAME), array($DBServer->GetProperty(EC2_SERVER_PROPERTIES::INSTANCE_ID)));
             Logger::getLogger(LOG_CATEGORY::FARM)->info(new FarmLogMessage($this->FarmID, sprintf(_("Instance '%s' deregistered from '%s' load balancer"), $DBServer->GetProperty(EC2_SERVER_PROPERTIES::INSTANCE_ID), $DBFarmRole->GetSetting(DBFarmRole::SETTING_BALANCING_NAME))));
         }
     } catch (Exception $e) {
         Logger::getLogger(LOG_CATEGORY::FARM)->info(new FarmLogMessage($this->FarmID, sprintf(_("Cannot deregister instance from the load balancer: %s"), $e->getMessage())));
     }
 }