private void updateIPAddress(String ipAddress,StoragePort port){
  if (null != ipAddress && !ipAddress.equalsIgnoreCase(port.getPortNetworkId())) {
    port.setIpAddress(ipAddress);
  }
}

private void updateIPAddress ( String ipAddress , StoragePort port ) { if ( null != ipAddress && ! ipAddress . equalsIgnoreCase ( port . getPortNetworkId ( ) ) ) { port . setIpAddress ( ipAddress ) ; } }
if ipaddress not available , then don ' t set it .
