question: 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 ; }
target:  Check if there are image Servers in the system