question: public OutstandingRequestToken ( Principal user , int requestLimit , Meter requestMeter , Meter rejectMeter ) { userName = String . valueOf ( user == null ? null : user . getName ( ) ) ; count = getCount ( userName ) ; if ( ! incrementAndCheckCount ( globalCount , requestLimitGlobal ) ) { rejectRequest ( rejectMeter , RateLimitType . GLOBAL ) ; return ; } if ( ! incrementAndCheckCount ( count , requestLimit ) ) { globalCount . decrementAndGet ( ) ; rejectRequest ( rejectMeter , RateLimitType . USER ) ; return ; } requestMeter . mark ( ) ; requestGlobalCounter . inc ( ) ; isBound = true ; }
target:  Bind outstanding request to token, or fail and set to unbound.