private boolean checkForImageServers(){
  boolean imageServerExists=true;
  List<URI> imageServerURIList=_dbClient.queryByType(ComputeImageServer.class,true);
  ArrayList<URI> tempList=Lists.newArrayList(imageServerURIList.iterator());
  if (tempList.isEmpty()) {
    imageServerExists=false;
  }
  return imageServerExists;
}

private boolean checkForImageServers ( ) { boolean imageServerExists = true ; List < URI > imageServerURIList = _dbClient . queryByType ( ComputeImageServer . class , true ) ; ArrayList < URI > tempList = Lists . newArrayList ( imageServerURIList . iterator ( ) ) ; if ( tempList . isEmpty ( ) ) { imageServerExists = false ; } return imageServerExists ; }
check if there are image servers in the system
