question: private void start ( final AliveTimer aliveTimer ) { if ( ! aliveTimer . isActive ( ) ) { if ( LOGGER . isDebugEnabled ( ) ) { StringBuffer str = new StringBuffer ( "start() : starting alive for " ) ; str . append ( AliveTimer . ALIVE_TYPE_PROCESS + " " ) ; str . append ( aliveTimer . getRelatedName ( ) ) ; str . append ( "." ) ; LOGGER . debug ( str . toString ( ) ) ; } aliveTimer . setActive ( true ) ; aliveTimer . setLastUpdate ( System . currentTimeMillis ( ) ) ; } }
target:  Activate this alive timer.