Mmuzaf commented on a change in pull request #9539:
URL: https://github.com/apache/ignite/pull/9539#discussion_r749250330
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File path:
modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/snapshot/SnapshotRestoreProcess.java
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@@ -872,12 +1118,49 @@ private void finishCacheStart(UUID reqId, Map<UUID,
Boolean> res, Map<UUID, Exce
rollbackRestoreProc.start(reqId, reqId);
}
+ /**
+ * @param metas Map of snapshot metadata distribution across the cluster.
+ * @return Map of cache partitions per each node.
+ */
+ private static Map<UUID, Map<Integer, Set<Integer>>> snapshotAffinity(
+ Map<UUID, ArrayList<SnapshotMetadata>> metas,
+ BiPredicate<Integer, Integer> filter
+ ) {
+ Map<UUID, Map<Integer, Set<Integer>>> nodeToSnp = new HashMap<>();
+
+ for (Map.Entry<UUID, ArrayList<SnapshotMetadata>> e :
metas.entrySet()) {
+ UUID nodeId = e.getKey();
+
+ for (SnapshotMetadata meta : ofNullable(e.getValue()).orElse(new
ArrayList<>())) {
Review comment:
`Collections.emptyList()` generalized by the `Object` class, so it's not
possisble to use it here.
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