ekaterinadimitrova2 commented on code in PR #3955:
URL: https://github.com/apache/cassandra/pull/3955#discussion_r1990080521
##########
src/java/org/apache/cassandra/exceptions/RequestFailureReason.java:
##########
@@ -53,26 +59,31 @@ public enum RequestFailureReason
this.code = code;
}
- private static final RequestFailureReason[] codeToReasonMap;
+ private static final Map<Integer, RequestFailureReason> codeToReasonMap =
new HashMap<>();
+ private static final Map<Class<? extends Throwable>, RequestFailureReason>
exceptionToReasonMap = new HashMap<>();
static
{
RequestFailureReason[] reasons = values();
- int max = -1;
- for (RequestFailureReason r : reasons)
- max = max(r.code, max);
-
- RequestFailureReason[] codeMap = new RequestFailureReason[max + 1];
-
for (RequestFailureReason reason : reasons)
{
- if (codeMap[reason.code] != null)
+ if (codeToReasonMap.put(reason.code, reason) != null)
throw new RuntimeException("Two RequestFailureReason-s that
map to the same code: " + reason.code);
- codeMap[reason.code] = reason;
}
- codeToReasonMap = codeMap;
+ exceptionToReasonMap.put(TombstoneOverwhelmingException.class,
READ_TOO_MANY_TOMBSTONES);
+ exceptionToReasonMap.put(WriteTimeoutException.class, TIMEOUT);
+ exceptionToReasonMap.put(IncompatibleSchemaException.class,
INCOMPATIBLE_SCHEMA);
+ exceptionToReasonMap.put(ReadSizeAbortException.class, READ_SIZE);
+ exceptionToReasonMap.put(IndexNotAvailableException.class,
INDEX_NOT_AVAILABLE);
+ exceptionToReasonMap.put(NotCMSException.class, NOT_CMS);
+ exceptionToReasonMap.put(InvalidRoutingException.class,
INVALID_ROUTING);
+ exceptionToReasonMap.put(CoordinatorBehindException.class,
COORDINATOR_BEHIND);
+ exceptionToReasonMap.put(IndexBuildInProgressException.class,
INDEX_BUILD_IN_PROGRESS);
+
+ if (exceptionToReasonMap.size() != reasons.length-3)
+ throw new RuntimeException("A new RequestFailureReasons was
probably added and you may need to update the exceptionToReasonMap");
Review Comment:
Hmmm, that makes a lot of sense. I'm not sure why I didn't do it. Honestly,
I can't think of a good reason. Thanks
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