Zakelly commented on a change in pull request #16153:
URL: https://github.com/apache/flink/pull/16153#discussion_r654809920
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File path:
flink-runtime/src/main/java/org/apache/flink/runtime/state/StateBackendLoader.java
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@@ -384,6 +358,22 @@ public static boolean
stateBackendFromApplicationOrConfigOrDefaultUseManagedMemo
return false;
}
+ /**
+ * Try to unwrap a DelegatingStateBackend and get the inner delegated
StateBackend. If the
+ * provided StateBackend is not a delegated StateBackend, just return
itself.
+ *
+ * @param backend the provided StateBackend that may delegate another
StateBackend.
+ * @return the root StateBackend W/O delegation.
+ */
+ @VisibleForTesting
+ public static StateBackend unwrapFromDelegatingStateBackend(StateBackend
backend) {
+ if (backend != null && backend instanceof DelegatingStateBackend) {
Review comment:
Sure, moved to ```ChangelogStateBackendLoadingTest```.
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