question: private void printBootstrapMap ( ) { LOG . info ( "Bootstrap map:" ) ; for ( Integer i : chainMap . keySet ( ) ) { LOG . info ( String . format ( "  %6d: %d" , i , chainMap . get ( i ) ) ) ; } }
target:  Just a small method to show how many times each activity chain index was sampled. Thie method is only needed during the development phase.