private void updateMembersRef() {
final Map<Address, MemberImpl> map = new LinkedHashMap<Address, MemberImpl>(members.size());
for (MemberImpl member : members) {
map.put(member.getAddress(), member);
}
clusterService.setMembersRef(Collections.unmodifiableMap(map));
}
private List<MembershipEvent> detectMembershipEvents(Map<String, MemberImpl> prevMembers) {
final List<MembershipEvent> events = new LinkedList<MembershipEvent>();
final Set<Member> eventMembers =
Collections.unmodifiableSet(new LinkedHashSet<Member>(members));
for (MemberImpl member : members) {
final MemberImpl former = prevMembers.remove(member.getUuid());
if (former == null) {
events.add(
new MembershipEvent(
client.getCluster(), member, MembershipEvent.MEMBER_ADDED, eventMembers));
}
}
for (MemberImpl member : prevMembers.values()) {
events.add(
new MembershipEvent(
client.getCluster(), member, MembershipEvent.MEMBER_REMOVED, eventMembers));
if (clusterService.getMember(member.getAddress()) == null) {
final Connection connection = connectionManager.getConnection(member.getAddress());
if (connection != null) {
connectionManager.destroyConnection(connection);
}
}
}
return events;
}
void initialMembers(Collection<MemberImpl> memberList) {
Map<String, MemberImpl> prevMembers = Collections.emptyMap();
if (!members.isEmpty()) {
prevMembers = new HashMap<String, MemberImpl>(members.size());
for (MemberImpl member : members) {
prevMembers.put(member.getUuid(), member);
}
members.clear();
}
members.addAll(memberList);
final List<MembershipEvent> events = detectMembershipEvents(prevMembers);
if (events.size() != 0) {
applyMemberListChanges();
}
fireMembershipEvent(events);
}
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;
}
}
}
private void memberRemoved(MemberImpl member) {
members.remove(member);
final Connection connection = connectionManager.getConnection(member.getAddress());
if (connection != null) {
connectionManager.destroyConnection(connection);
}
applyMemberListChanges();
MembershipEvent event =
new MembershipEvent(
client.getCluster(),
member,
ClientInitialMembershipEvent.MEMBER_REMOVED,
Collections.unmodifiableSet(new LinkedHashSet<Member>(members)));
clusterService.fireMembershipEvent(event);
}