HBASE-23625 Reduced number of Checkstyle violations in hbase-common

[HorizonNet]

No description provided.

[Apache-HBase]

🎊 +1 overall

Vote	Subsystem	Runtime	Comment
+0 🆗	reexec	1m 7s	Docker mode activated.
		_ Prechecks _
+1 💚	dupname	0m 0s	No case conflicting files found.
+1 💚	hbaseanti	0m 0s	Patch does not have any anti-patterns.
+1 💚	@author	0m 0s	The patch does not contain any @author tags.
-0 ⚠️	test4tests	0m 0s	The patch doesn't appear to include any new or modified tests. Please justify why no new tests are needed for this patch. Also please list what manual steps were performed to verify this patch.
		_ master Compile Tests _
+1 💚	mvninstall	5m 30s	master passed
+1 💚	compile	0m 24s	master passed
+1 💚	checkstyle	0m 28s	master passed
+1 💚	shadedjars	4m 37s	branch has no errors when building our shaded downstream artifacts.
+1 💚	javadoc	0m 23s	master passed
+0 🆗	spotbugs	0m 51s	Used deprecated FindBugs config; considering switching to SpotBugs.
+1 💚	findbugs	0m 49s	master passed
		_ Patch Compile Tests _
+1 💚	mvninstall	4m 52s	the patch passed
+1 💚	compile	0m 22s	the patch passed
+1 💚	javac	0m 22s	the patch passed
+1 💚	checkstyle	0m 26s	hbase-common: The patch generated 0 new + 0 unchanged - 54 fixed = 0 total (was 54)
+1 💚	whitespace	0m 0s	The patch has no whitespace issues.
+1 💚	shadedjars	4m 38s	patch has no errors when building our shaded downstream artifacts.
+1 💚	hadoopcheck	15m 41s	Patch does not cause any errors with Hadoop 2.8.5 2.9.2 or 3.1.2.
+1 💚	javadoc	0m 22s	the patch passed
+1 💚	findbugs	0m 53s	the patch passed
		_ Other Tests _
+1 💚	unit	3m 18s	hbase-common in the patch passed.
+1 💚	asflicense	0m 14s	The patch does not generate ASF License warnings.
		50m 24s

Subsystem	Report/Notes
Docker	Client=19.03.5 Server=19.03.5 base: https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-971/2/artifact/out/Dockerfile
GITHUB PR	#971
Optional Tests	dupname asflicense javac javadoc unit spotbugs findbugs shadedjars hadoopcheck hbaseanti checkstyle compile
uname	Linux 9631a4f9afc5 4.15.0-60-generic #67-Ubuntu SMP Thu Aug 22 16:55:30 UTC 2019 x86_64 GNU/Linux
Build tool	maven
Personality	/home/jenkins/jenkins-slave/workspace/HBase-PreCommit-GitHub-PR_PR-971/out/precommit/personality/provided.sh
git revision	master / 923ba77
Default Java	1.8.0_181
Test Results	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-971/2/testReport/
Max. process+thread count	284 (vs. ulimit of 10000)
modules	C: hbase-common U: hbase-common
Console output	https://builds.apache.org/job/HBase-PreCommit-GitHub-PR/job/PR-971/2/console
versions	git=2.11.0 maven=2018-06-17T18:33:14Z) findbugs=3.1.11
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[saintstack]

Nice cleanup (especially purge of abstract methods that were in super Interface)