JAkutenshi commented on code in PR #4707:
URL: https://github.com/apache/ignite-3/pull/4707#discussion_r1840953229
##########
modules/placement-driver/src/main/java/org/apache/ignite/internal/placementdriver/AssignmentsTracker.java:
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@@ -147,48 +141,137 @@ public CompletableFuture<List<TokenizedAssignments>>
getAssignments(
}
/**
- * Gets assignments.
+ * Gets stable assignments.
*
- * @return Map replication group id to its assignment.
+ * @return Map replication group id to its stable assignments.
*/
- public Map<ReplicationGroupId, TokenizedAssignments> assignments() {
- return groupAssignments;
+ Map<ReplicationGroupId, TokenizedAssignments> stableAssignments() {
+ return groupStableAssignments;
}
/**
- * Meta storage assignments watch.
+ * Gets pending assignments.
+ *
+ * @return Map replication group id to its pending assignments.
*/
- private class AssignmentsListener implements WatchListener {
- @Override
- public CompletableFuture<Void> onUpdate(WatchEvent event) {
- assert !event.entryEvents().stream().anyMatch(e ->
e.newEntry().empty()) : "New assignments are empty";
-
- if (LOG.isDebugEnabled()) {
- LOG.debug("Assignment update [revision={}, keys={}]",
event.revision(),
- event.entryEvents().stream()
- .map(e -> new
ByteArray(e.newEntry().key()).toString())
- .collect(Collectors.joining(",")));
+ Map<ReplicationGroupId, TokenizedAssignments> pendingAssignments() {
+ return groupStableAssignments;
+ }
+
+ private WatchListener createStableAssignmentsListener() {
+ return new WatchListener() {
+ @Override
+ public CompletableFuture<Void> onUpdate(WatchEvent event) {
+ assert areAssignmentsPresentedInEvent(event) : "New
assignments are empty";
+
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Stable assignments update [revision={},
keys={}]", event.revision(), collectKeysFromEventAsString(event));
+ }
+
+ handleReceivedAssignments(event, STABLE_ASSIGNMENTS_PREFIX,
groupStableAssignments);
+
+ return nullCompletedFuture();
}
- for (EntryEvent evt : event.entryEvents()) {
- Entry entry = evt.newEntry();
+ @Override
+ public void onError(Throwable e) {
+ }
+ };
+ }
- var replicationGrpId = TablePartitionId.fromString(
- new String(entry.key(),
StandardCharsets.UTF_8).replace(STABLE_ASSIGNMENTS_PREFIX, ""));
+ private WatchListener createPendingAssignmentsListener() {
+ return new WatchListener() {
+ @Override
+ public CompletableFuture<Void> onUpdate(WatchEvent event) {
+ assert areAssignmentsPresentedInEvent(event) : "New
assignments are empty";
Review Comment:
I don't now, to be honest, just moved the assert as it was. I'm not sure
that it's a possible situation too. Let's remove it then.
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