mkuchenbecker commented on code in PR #5860:
URL: https://github.com/apache/hadoop/pull/5860#discussion_r1269784340
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hadoop-hdfs-project/hadoop-hdfs-rbf/src/main/java/org/apache/hadoop/hdfs/server/federation/router/RouterRpcClient.java:
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@@ -1783,16 +1783,26 @@ && isNamespaceStateIdFresh(nsId)
}
private boolean isObserverReadEligible(String nsId, Method method) {
- boolean isReadEnabledForNamespace =
- observerReadEnabledDefault !=
observerReadEnabledOverrides.contains(nsId);
- return isReadEnabledForNamespace && isReadCall(method);
+ return isReadCall(method) && isNamespaceObserverReadEligible(nsId);
+ }
+
+ /**
+ * Check if a namespace is eligible for observer reads.
+ * @param nsId namespaceID
+ * @return whether the 'namespace' has observer reads enabled.
+ */
+ boolean isNamespaceObserverReadEligible(String nsId) {
+ return observerReadEnabledDefault !=
observerReadEnabledOverrides.contains(nsId);
}
/**
* Check if a method is read-only.
* @return whether the 'method' is a read-only operation.
*/
private static boolean isReadCall(Method method) {
+ if (method == null) {
Review Comment:
Is it necessary to support null input on a private method?
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