lowka commented on code in PR #4256:
URL: https://github.com/apache/ignite-3/pull/4256#discussion_r1728565713
##########
modules/raft/src/main/java/org/apache/ignite/internal/raft/server/impl/JraftServerImpl.java:
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@@ -838,4 +842,54 @@ public void onLeaderStart(long term) {
listener.onLeaderStart();
}
}
+
+ /** Returns raft group state accessor. */
+ public <G extends ReplicationGroupId, L> RaftGroupStateProvider<G, L>
getGroupStateProvider(
+ Class<G> groupType,
+ Class<L> groupListenerType
+ ) {
+ return new StateProviderImpl<>(groupType, groupListenerType, nodes);
+ }
+
+ private static class StateProviderImpl<G extends ReplicationGroupId, L>
implements RaftGroupStateProvider<G, L> {
+
+ private final Class<G> groupType;
+
+ private final Class<L> listenerType;
+
+ private final Map<RaftNodeId, RaftGroupService> nodes;
+
+ StateProviderImpl(
+ Class<G> groupType,
+ Class<L> listenerType,
+ Map<RaftNodeId, RaftGroupService> nodes
+ ) {
+ this.groupType = groupType;
+ this.listenerType = listenerType;
+ this.nodes = nodes;
+ }
+
+ @Override
+ public <V> Map<G, V> getState(Function<L, V> stateFunc) {
+ Map<G, V> result = new HashMap<>();
+
+ for (Map.Entry<RaftNodeId, RaftGroupService> entry :
nodes.entrySet()) {
+ RaftNodeId nodeId = entry.getKey();
+ ReplicationGroupId replicationGroupId = nodeId.groupId();
Review Comment:
All these `nodes` belong to table partitions, so I think have using a loop
here is ok.
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