private void listenMembershipEvents() throws IOException {
    final SerializationService serializationService = clusterService.getSerializationService();
    while (!Thread.currentThread().isInterrupted()) {
      final Data clientResponseData = conn.read();
      final ClientResponse clientResponse = serializationService.toObject(clientResponseData);
      final Object eventObject = serializationService.toObject(clientResponse.getResponse());
      final ClientMembershipEvent event = (ClientMembershipEvent) eventObject;
      final MemberImpl member = (MemberImpl) event.getMember();
      boolean membersUpdated = false;
      if (event.getEventType() == MembershipEvent.MEMBER_ADDED) {
        members.add(member);
        membersUpdated = true;
      } else if (event.getEventType() == ClientMembershipEvent.MEMBER_REMOVED) {
        members.remove(member);
        membersUpdated = true;
        //                    getConnectionManager().removeConnectionPool(member.getAddress());
        // //TODO
      } else if (event.getEventType() == ClientMembershipEvent.MEMBER_ATTRIBUTE_CHANGED) {
        MemberAttributeChange memberAttributeChange = event.getMemberAttributeChange();
        Map<Address, MemberImpl> memberMap = clusterService.getMembersRef();
        if (memberMap != null) {
          for (MemberImpl target : memberMap.values()) {
            if (target.getUuid().equals(memberAttributeChange.getUuid())) {
              final MemberAttributeOperationType operationType =
                  memberAttributeChange.getOperationType();
              final String key = memberAttributeChange.getKey();
              final Object value = memberAttributeChange.getValue();
              target.updateAttribute(operationType, key, value);
              MemberAttributeEvent memberAttributeEvent =
                  new MemberAttributeEvent(client.getCluster(), target, operationType, key, value);
              clusterService.fireMemberAttributeEvent(memberAttributeEvent);
              break;
            }
          }
        }
      }

      if (membersUpdated) {
        ((ClientPartitionServiceImpl) client.getClientPartitionService()).refreshPartitions();
        updateMembersRef();
        LOGGER.info(clusterService.membersString());
        clusterService.fireMembershipEvent(
            new MembershipEvent(
                client.getCluster(),
                member,
                event.getEventType(),
                Collections.unmodifiableSet(new LinkedHashSet<Member>(members))));
      }
    }
  }
 private void memberAttributeChanged(MemberAttributeChange memberAttributeChange) {
   Map<Address, MemberImpl> memberMap = clusterService.getMembersRef();
   if (memberMap == null) {
     return;
   }
   if (memberAttributeChange == null) {
     return;
   }
   for (MemberImpl target : memberMap.values()) {
     if (target.getUuid().equals(memberAttributeChange.getUuid())) {
       final MemberAttributeOperationType operationType = memberAttributeChange.getOperationType();
       final String key = memberAttributeChange.getKey();
       final Object value = memberAttributeChange.getValue();
       target.updateAttribute(operationType, key, value);
       MemberAttributeEvent memberAttributeEvent =
           new MemberAttributeEvent(client.getCluster(), target, operationType, key, value);
       clusterService.fireMemberAttributeEvent(memberAttributeEvent);
       break;
     }
   }
 }