smiklosovic commented on a change in pull request #1152:
URL: https://github.com/apache/cassandra/pull/1152#discussion_r697252116
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File path: src/java/org/apache/cassandra/hints/HintsService.java
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@@ -390,6 +390,23 @@ public Future transferHints(Supplier<UUID> hostIdSupplier)
return dispatchExecutor.transfer(catalog, hostIdSupplier);
}
+ /**
+ * Get the earliest hint written for a particular node,
+ * @param hostID UUID of the node to check it's hints.
+ * @return Earliest hint as per unix time or Long.MIN_VALUE if hostID is
null
+ */
+ public long getEarliestHintForNode(UUID hostID)
+ {
+ if (hostID == null)
+ return Long.MIN_VALUE;
Review comment:
That's not completely true, there is a test called
"WriteCallbackInfoTest" which as a by-product of doing what it does puts null
in there. Without that check, it would throw NPE at some places.
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