/** Process a new repair log response */
 @Override
 public void deliver(VoltMessage message) {
   if (message instanceof Iv2RepairLogResponseMessage) {
     Iv2RepairLogResponseMessage response = (Iv2RepairLogResponseMessage) message;
     if (response.getRequestId() != m_requestId) {
       tmLog.debug(
           m_whoami
               + "rejecting stale repair response."
               + " Current request id is: "
               + m_requestId
               + " Received response for request id: "
               + response.getRequestId());
       return;
     }
     ReplicaRepairStruct rrs = m_replicaRepairStructs.get(response.m_sourceHSId);
     if (rrs.m_expectedResponses < 0) {
       tmLog.debug(
           m_whoami
               + "collecting "
               + response.getOfTotal()
               + " repair log entries from "
               + CoreUtils.hsIdToString(response.m_sourceHSId));
     }
     // Long.MAX_VALUE has rejoin semantics
     if (response.getHandle() != Long.MAX_VALUE) {
       m_maxSeenTxnId = Math.max(m_maxSeenTxnId, response.getHandle());
     }
     if (response.getPayload() != null) {
       m_repairLogUnion.add(response);
       if (tmLog.isTraceEnabled()) {
         tmLog.trace(
             m_whoami
                 + " collected from "
                 + CoreUtils.hsIdToString(response.m_sourceHSId)
                 + ", message: "
                 + response.getPayload());
       }
     }
     if (rrs.update(response)) {
       tmLog.debug(
           m_whoami
               + "collected "
               + rrs.m_receivedResponses
               + " responses for "
               + rrs.m_expectedResponses
               + " repair log entries from "
               + CoreUtils.hsIdToString(response.m_sourceHSId));
       if (areRepairLogsComplete()) {
         repairSurvivors();
       }
     }
   }
 }
 // update counters and return the number of outstanding messages.
 boolean update(Iv2RepairLogResponseMessage response) {
   m_receivedResponses++;
   m_expectedResponses = response.getOfTotal();
   m_maxSpHandleSeen = Math.max(m_maxSpHandleSeen, response.getHandle());
   return logsComplete();
 }