question: private void handleStateLeft ( InetAddress endpoint , String [ ] pieces ) { assert pieces . length >= 2 ; Collection < Token > tokens = getTokensFor ( endpoint ) ; if ( logger . isDebugEnabled ( ) ) logger . debug ( "Node {} state left, tokens {}" , endpoint , tokens ) ; excise ( tokens , endpoint , extractExpireTime ( pieces ) ) ; }
target:  Handle node leaving the ring. This will happen when a node is decommissioned