private void sendMembershipEvents(
Collection<MemberImpl> currentMembers, Collection<MemberImpl> newMembers) {
Set<Member> eventMembers = new LinkedHashSet<Member>(currentMembers);
if (!newMembers.isEmpty()) {
if (newMembers.size() == 1) {
MemberImpl newMember = newMembers.iterator().next();
// sync call
node.getPartitionService().memberAdded(newMember);
// async events
eventMembers.add(newMember);
sendMembershipEventNotifications(newMember, unmodifiableSet(eventMembers), true);
} else {
for (MemberImpl newMember : newMembers) {
// sync call
node.getPartitionService().memberAdded(newMember);
// async events
eventMembers.add(newMember);
sendMembershipEventNotifications(
newMember, unmodifiableSet(new LinkedHashSet<Member>(eventMembers)), true);
}
}
}
}
private void removeMember(MemberImpl deadMember) {
logger.info("Removing " + deadMember);
lock.lock();
try {
Map<Address, MemberImpl> members = membersMapRef.get();
final Address deadAddress = deadMember.getAddress();
if (members.containsKey(deadAddress)) {
// !!! ORDERED !!!
Map<Address, MemberImpl> newMembers = new LinkedHashMap<Address, MemberImpl>(members);
newMembers.remove(deadAddress);
clusterHeartbeatManager.removeMember(deadMember);
setMembersRef(newMembers);
if (node.isMaster()) {
if (logger.isFinestEnabled()) {
logger.finest(deadMember + " is dead, sending remove to all other members...");
}
invokeMemberRemoveOperation(deadAddress);
}
final ClusterState clusterState = clusterStateManager.getState();
if (clusterState == ClusterState.FROZEN || clusterState == ClusterState.PASSIVE) {
if (logger.isFinestEnabled()) {
logger.finest(
deadMember
+ " is dead, added to members left while cluster is "
+ clusterState
+ " state");
}
Map<Address, MemberImpl> membersRemovedInNotActiveState =
new LinkedHashMap<Address, MemberImpl>(membersRemovedInNotActiveStateRef.get());
membersRemovedInNotActiveState.put(deadAddress, deadMember);
membersRemovedInNotActiveStateRef.set(
Collections.unmodifiableMap(membersRemovedInNotActiveState));
final InternalPartitionServiceImpl partitionService = node.partitionService;
partitionService.cancelReplicaSyncRequestsTo(deadAddress);
} else {
onMemberRemove(deadMember, newMembers);
}
// async events
sendMembershipEventNotifications(
deadMember, unmodifiableSet(new LinkedHashSet<Member>(newMembers.values())), false);
}
} finally {
lock.unlock();
}
}