Apache9 commented on a change in pull request #673: HBASE-23093 : Avoid
Optional Anti-Pattern where possible
URL: https://github.com/apache/hbase/pull/673#discussion_r332386239
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File path:
hbase-client/src/main/java/org/apache/hadoop/hbase/client/AsyncRegionLocatorHelper.java
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@@ -50,10 +49,17 @@ static boolean canUpdateOnError(HRegionLocation loc,
HRegionLocation oldLoc) {
oldLoc.getServerName().equals(loc.getServerName());
}
+ static void updateCachedLocationOnError(HRegionLocation loc, Throwable
exception,
+ Function<HRegionLocation, HRegionLocation> cachedLocationSupplier,
+ Consumer<HRegionLocation> addToCache, Consumer<HRegionLocation>
removeFromCache) {
+ updateCachedLocationOnError(loc, exception, cachedLocationSupplier,
addToCache,
+ removeFromCache, null);
+ }
+
static void updateCachedLocationOnError(HRegionLocation loc, Throwable
exception,
Function<HRegionLocation, HRegionLocation> cachedLocationSupplier,
Consumer<HRegionLocation> addToCache, Consumer<HRegionLocation>
removeFromCache,
- Optional<MetricsConnection> metrics) {
+ MetricsConnection metrics) {
Review comment:
If the metrics could be null then I do not think it is necessary to provide
the method above? Just pass null when calling.
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