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);