szetszwo commented on a change in pull request #303:
URL: https://github.com/apache/incubator-ratis/pull/303#discussion_r531673547
##########
File path:
ratis-server/src/main/java/org/apache/ratis/server/metrics/RaftServerMetrics.java
##########
@@ -108,20 +118,18 @@ private RatisMetricRegistry
getMetricRegistryForRaftServer(String serverId) {
RATIS_SERVER_METRICS_DESC));
}
- private void addRetryCacheMetric(RaftServerImpl raftServer) {
- registry.gauge(RETRY_CACHE_ENTRY_COUNT_METRIC, () -> () ->
raftServer.getRetryCache().size());
- registry.gauge(RETRY_CACHE_HIT_COUNT_METRIC, () -> () ->
raftServer.getRetryCache().stats().hitCount());
- registry.gauge(RETRY_CACHE_HIT_RATE_METRIC, () -> () ->
raftServer.getRetryCache().stats().hitRate());
- registry.gauge(RETRY_CACHE_MISS_COUNT_METRIC, () -> () ->
raftServer.getRetryCache().stats().missCount());
- registry.gauge(RETRY_CACHE_MISS_RATE_METRIC, () -> () ->
raftServer.getRetryCache().stats().missRate());
+ private void addRetryCacheMetric(Supplier<RetryCache> retryCache) {
+ registry.gauge(RETRY_CACHE_ENTRY_COUNT_METRIC, () -> () ->
retryCache.get().size());
+ registry.gauge(RETRY_CACHE_HIT_COUNT_METRIC , () -> () ->
retryCache.get().stats().hitCount());
+ registry.gauge(RETRY_CACHE_HIT_RATE_METRIC , () -> () ->
retryCache.get().stats().hitRate());
+ registry.gauge(RETRY_CACHE_MISS_COUNT_METRIC , () -> () ->
retryCache.get().stats().missCount());
+ registry.gauge(RETRY_CACHE_MISS_RATE_METRIC , () -> () ->
retryCache.get().stats().missRate());
Review comment:
No, just using vertical alignment
(https://en.wikipedia.org/wiki/Programming_style#Vertical_alignment). It is
easier to read for situation like this. Intellij supports a similar feature
for javadoc.
<img width="1115" alt="image"
src="https://user-images.githubusercontent.com/907380/100466112-58d9c480-310b-11eb-94b1-66e2b563c594.png";>
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