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HBASE-26035 Redundant null check in the compareTo function (#3433) 

Signed-off-by: Duo Zhang <zhangduo@apache.org>
This commit is contained in:
Almog Tavor 2021-07-01 17:56:14 +03:00 committed by Duo Zhang
parent fe6c75cb50
commit ee7f15a675
1 changed files with 1 additions and 7 deletions
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8
hbase-hadoop2-compat/src/main/java/org/apache/hadoop/hbase/regionserver/MetricsRegionSourceImpl.java
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@ -180,13 +180,7 @@ public class MetricsRegionSourceImpl implements MetricsRegionSource {
if (!(source instanceof MetricsRegionSourceImpl)) { if (!(source instanceof MetricsRegionSourceImpl)) {
return -1; return -1;
} }
return Long.compare(hashCode, ((MetricsRegionSourceImpl) source).hashCode);
MetricsRegionSourceImpl impl = (MetricsRegionSourceImpl) source;
if (impl == null) {
return -1;
}
return Long.compare(hashCode, impl.hashCode);
} }
void snapshot(MetricsRecordBuilder mrb, boolean ignored) { void snapshot(MetricsRecordBuilder mrb, boolean ignored) {