JAkutenshi commented on code in PR #7507:
URL: https://github.com/apache/ignite-3/pull/7507#discussion_r2872738317
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modules/raft/src/main/java/org/apache/ignite/internal/raft/client/RaftCommandExecutor.java:
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@@ -203,74 +272,133 @@ void shutdown(Throwable stopException) {
}
/**
- * Resolves initial target peer for a command execution.
+ * Marks the executor as stopping. After this call, operations will fail
with an exception from the
+ * stopping exception factory instead of TimeoutException.
+ */
+ void markAsStopping() {
+ stopping = true;
+ }
+
+ /**
+ * Returns the current leader.
+ *
+ * @return Current leader or {@code null} if unknown.
+ */
+ @Nullable Peer leader() {
+ return leader;
+ }
+
+ /**
+ * Sets the current leader. Used by PhysicalTopologyAwareRaftGroupService
to update state from response.
*
- * <p>Tries the known leader first, falling back to a random peer if no
leader is known.
+ * @param leader New leader.
+ */
+ void setLeader(@Nullable Peer leader) {
+ this.leader = leader;
+ }
+
+ /**
+ * Updates the leader only if the given term is newer than the currently
known term.
*
+ * <p>This prevents stale leader information from overwriting fresher
information
+ * that may have been received via leader election notifications or
previous refresh calls.
+ *
+ * @param leader New leader (can be {@code null}).
+ * @param term Term associated with this leader.
+ * @return {@code true} if the leader was updated (term is newer), {@code
false} otherwise.
+ */
+ boolean setLeaderIfTermNewer(@Nullable Peer leader, long term) {
+ // Compare against the highest known term from either source:
+ // - leaderAvailabilityState.currentTerm(): term from leader election
notifications
+ // - cachedLeaderTerm: term from previous setLeaderIfTermNewer calls
+ long highestKnownTerm =
Math.max(leaderAvailabilityState.currentTerm(), cachedLeaderTerm);
Review Comment:
Resolved with `leader` and `setLeaderHint`
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