fast forwards the count-down to zero and returns true iff the count down reached zero with this fast forward call otherwise false concode_field_sep int originalCount concode_elem_sep AtomicInteger countDown concode_field_sep boolean isCountedDown concode_elem_sep boolean countDown
boolean function ( ) { assert originalCount > 0 ; assert countDown . get ( ) >= 0 ; return countDown . getAndSet ( 0 ) > 0 ; }