question: public void renew ( long extension ) throws LeaseDeniedException , UnknownLeaseException { _leaseRenewed = true ; _leaseRenewedExtension = extension ; str . setLease ( extension ) ; ParticipantHandle [ ] phs = parthandles ( ) ; if ( phs == null ) return ; for ( ParticipantHandle ph : phs ) { renewParticipantLease ( ph , extension ) ; } }
target:  Sends renew event to all transaction participants