SammyVimes commented on a change in pull request #126:
URL: https://github.com/apache/ignite-3/pull/126#discussion_r631765180
##########
File path:
modules/network/src/main/java/org/apache/ignite/network/scalecube/ScaleCubeTopologyService.java
##########
@@ -36,13 +34,13 @@
private ClusterNode localMember;
/** Topology members. */
- private final Map<String, ClusterNode> members = new ConcurrentHashMap<>();
+ private final ConcurrentHashMap<String, ClusterNode> members = new
ConcurrentHashMap<>();
Review comment:
```suggestion
private final ConcurrentMap<String, ClusterNode> members = new
ConcurrentHashMap<>();
```
##########
File path:
modules/network/src/main/java/org/apache/ignite/network/scalecube/ScaleCubeTopologyService.java
##########
@@ -36,13 +34,13 @@
private ClusterNode localMember;
/** Topology members. */
- private final Map<String, ClusterNode> members = new ConcurrentHashMap<>();
+ private final ConcurrentHashMap<String, ClusterNode> members = new
ConcurrentHashMap<>();
/**
* Sets the ScaleCube's local {@link Member}.
*/
void setLocalMember(Member member) {
- localMember = fromMember(member);
+ this.localMember = fromMember(member);
Review comment:
isn't `this` odd here?
##########
File path:
modules/network/src/main/java/org/apache/ignite/network/scalecube/ScaleCubeTopologyService.java
##########
@@ -54,37 +52,16 @@ void setLocalMember(Member member) {
void onMembershipEvent(MembershipEvent event) {
ClusterNode member = fromMember(event.member());
- String memberName = member.name();
-
- switch (event.type()) {
- case ADDED:
- members.put(memberName, member);
-
- fireAppearedEvent(member);
-
- break;
-
- case LEAVING:
- members.remove(memberName);
-
- fireDisappearedEvent(member);
+ if (event.isAdded()) {
Review comment:
what about `LEAVING` event?
##########
File path:
modules/network/src/main/java/org/apache/ignite/network/scalecube/ScaleCubeTopologyService.java
##########
@@ -54,37 +52,16 @@ void setLocalMember(Member member) {
void onMembershipEvent(MembershipEvent event) {
ClusterNode member = fromMember(event.member());
- String memberName = member.name();
-
- switch (event.type()) {
- case ADDED:
- members.put(memberName, member);
-
- fireAppearedEvent(member);
-
- break;
-
- case LEAVING:
- members.remove(memberName);
-
- fireDisappearedEvent(member);
+ if (event.isAdded()) {
+ this.members.put(member.address(), member);
- break;
-
- case REMOVED:
- // In case if member left non-gracefully, without sending
LEAVING event.
- if (members.remove(memberName) != null)
- fireDisappearedEvent(member);
-
- break;
-
- case UPDATED:
- // No-op.
- break;
-
- default:
- throw new IgniteInternalException("This event is not
supported: event = " + event);
+ fireAppearedEvent(member);
+ }
+ else if (event.isRemoved()) {
+ this.members.compute(member.address(), // Ignore stale remove
event.
+ (k, v) -> v.id().equals(member.id()) ? null : v);
+ fireDisappearedEvent(member);
Review comment:
I guess this should not be called if the event is stale
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