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leventov pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/incubator-druid.git


The following commit(s) were added to refs/heads/master by this push:
     new 26fad7e  Add checkstyle for "Local variable names shouldn't start with 
capital" (#7681)
26fad7e is described below

commit 26fad7e06a61ae76a670a0ced0690767ed76c6c7
Author: Merlin Lee <39320777+lml2...@users.noreply.github.com>
AuthorDate: Fri May 24 00:40:28 2019 +0800

    Add checkstyle for "Local variable names shouldn't start with capital" 
(#7681)
    
    * Add checkstyle for "Local variable names shouldn't start with capital"
    
    * Adjust some local variables to constants
    
    * Replace StringUtils.LINE_SEPARATOR with System.lineSeparator()
---
 .../druid/benchmark/VSizeSerdeBenchmark.java       |   4 +-
 codestyle/checkstyle.xml                           |   8 ++
 .../druid/data/input/impl/TimestampSpecTest.java   |   4 +-
 .../twitter/TwitterSpritzerFirehoseFactory.java    |   4 +-
 .../ambari/metrics/AmbariMetricsEmitter.java       |   4 +-
 .../druid/emitter/graphite/GraphiteEmitter.java    |   4 +-
 .../kinesis/supervisor/KinesisSupervisorTest.java  |  24 ++--
 .../druid/hll/HyperLogLogCollectorBenchmark.java   |  18 +--
 .../EqualDistributionWorkerSelectStrategyTest.java |   8 +-
 .../query/PrioritizedExecutorServiceTest.java      |  10 +-
 .../druid/query/topn/TopNQueryRunnerTest.java      |   4 +-
 .../org/apache/druid/server/StatusResource.java    |   8 +-
 .../discovery/ServerDiscoverySelectorTest.java     |  20 ++--
 .../druid/server/http/DataSourcesResourceTest.java | 128 ++++++++++-----------
 14 files changed, 128 insertions(+), 120 deletions(-)

diff --git 
a/benchmarks/src/main/java/org/apache/druid/benchmark/VSizeSerdeBenchmark.java 
b/benchmarks/src/main/java/org/apache/druid/benchmark/VSizeSerdeBenchmark.java
index 8c049a3..e96c36c 100644
--- 
a/benchmarks/src/main/java/org/apache/druid/benchmark/VSizeSerdeBenchmark.java
+++ 
b/benchmarks/src/main/java/org/apache/druid/benchmark/VSizeSerdeBenchmark.java
@@ -81,9 +81,9 @@ public class VSizeSerdeBenchmark
     File base = new 
File(this.getClass().getClassLoader().getResource("").toURI());
     dummy = new File(base, "dummy");
     try (Writer writer = Files.newBufferedWriter(dummy.toPath(), 
StandardCharsets.UTF_8)) {
-      String EMPTY_STRING = "        ";
+      String emptyStr = "        ";
       for (int i = 0; i < values + 10; i++) {
-        writer.write(EMPTY_STRING);
+        writer.write(emptyStr);
       }
     }
 
diff --git a/codestyle/checkstyle.xml b/codestyle/checkstyle.xml
index 12e9532..424f2a3 100644
--- a/codestyle/checkstyle.xml
+++ b/codestyle/checkstyle.xml
@@ -311,5 +311,13 @@ codestyle/checkstyle.xml.&#10;"/>
         <module name="MethodName">
           <property name = "format" value = "^[a-z_]*[a-z0-9][a-zA-Z0-9_]*$"/>
         </module>
+
+    <!-- Added as per the issue #7609 - Local variable names shouldn't start 
with capital -->
+    <module name="LocalVariableName">
+      <property name="format" value="^[a-z_]*[a-z0-9][a-zA-Z0-9_]*$"/>
+    </module>
+    <module name="LocalFinalVariableName">
+      <property name="format" value="^[a-z_]*[a-z0-9][a-zA-Z0-9_]*$"/>
+    </module>
   </module>
 </module>
diff --git 
a/core/src/test/java/org/apache/druid/data/input/impl/TimestampSpecTest.java 
b/core/src/test/java/org/apache/druid/data/input/impl/TimestampSpecTest.java
index ffbca5c..b736d77 100644
--- a/core/src/test/java/org/apache/druid/data/input/impl/TimestampSpecTest.java
+++ b/core/src/test/java/org/apache/druid/data/input/impl/TimestampSpecTest.java
@@ -51,7 +51,7 @@ public class TimestampSpecTest
   @Test
   public void testContextualTimestampList()
   {
-    String DATE_FORMAT = "yyyy-MM-dd'T'HH:mm:ss";
+    String dateFormat = "yyyy-MM-dd'T'HH:mm:ss";
     String[] dates = new String[]{
         "2000-01-01T05:00:00",
         "2000-01-01T05:00:01",
@@ -59,7 +59,7 @@ public class TimestampSpecTest
         "2000-01-01T05:00:02",
         "2000-01-01T05:00:03",
         };
-    TimestampSpec spec = new TimestampSpec("TIMEstamp", DATE_FORMAT, null);
+    TimestampSpec spec = new TimestampSpec("TIMEstamp", dateFormat, null);
 
     DateTimes.UtcFormatter formatter = 
DateTimes.wrapFormatter(ISODateTimeFormat.dateHourMinuteSecond());
 
diff --git 
a/examples/src/main/java/org/apache/druid/examples/twitter/TwitterSpritzerFirehoseFactory.java
 
b/examples/src/main/java/org/apache/druid/examples/twitter/TwitterSpritzerFirehoseFactory.java
index 65bdacd..300db0d 100644
--- 
a/examples/src/main/java/org/apache/druid/examples/twitter/TwitterSpritzerFirehoseFactory.java
+++ 
b/examples/src/main/java/org/apache/druid/examples/twitter/TwitterSpritzerFirehoseFactory.java
@@ -84,6 +84,7 @@ public class TwitterSpritzerFirehoseFactory implements 
FirehoseFactory<InputRowP
 {
   private static final Logger log = new 
Logger(TwitterSpritzerFirehoseFactory.class);
   private static final Pattern sourcePattern = 
Pattern.compile("<a[^>]*>(.*?)</a>", Pattern.CASE_INSENSITIVE);
+  private static final int DEFAULT_QUEUE_SIZE = 2000;
 
   /**
    * max events to receive, -1 is infinite, 0 means nothing is delivered; use 
this to prevent
@@ -140,9 +141,8 @@ public class TwitterSpritzerFirehoseFactory implements 
FirehoseFactory<InputRowP
 
     final TwitterStream twitterStream;
     final StatusListener statusListener;
-    final int QUEUE_SIZE = 2000;
     /** This queue is used to move twitter events from the twitter4j thread to 
the druid ingest thread.   */
-    final BlockingQueue<Status> queue = new 
ArrayBlockingQueue<Status>(QUEUE_SIZE);
+    final BlockingQueue<Status> queue = new 
ArrayBlockingQueue<Status>(DEFAULT_QUEUE_SIZE);
     final long startMsec = System.currentTimeMillis();
 
     //
diff --git 
a/extensions-contrib/ambari-metrics-emitter/src/main/java/org/apache/druid/emitter/ambari/metrics/AmbariMetricsEmitter.java
 
b/extensions-contrib/ambari-metrics-emitter/src/main/java/org/apache/druid/emitter/ambari/metrics/AmbariMetricsEmitter.java
index 0b2e210..519bee4 100644
--- 
a/extensions-contrib/ambari-metrics-emitter/src/main/java/org/apache/druid/emitter/ambari/metrics/AmbariMetricsEmitter.java
+++ 
b/extensions-contrib/ambari-metrics-emitter/src/main/java/org/apache/druid/emitter/ambari/metrics/AmbariMetricsEmitter.java
@@ -55,6 +55,7 @@ public class AmbariMetricsEmitter extends 
AbstractTimelineMetricsSink implements
   private final AmbariMetricsEmitterConfig config;
   private final String collectorURI;
   private static final long DEFAULT_FLUSH_TIMEOUT_MILLIS = 60000; // default 
flush wait 1 min
+  private static final Pattern DOT_OR_WHITESPACE_PATTERN = 
Pattern.compile("[\\s]+|[.]+");
   private final ScheduledExecutorService exec = 
Executors.newScheduledThreadPool(
       2, // Thread pool of two in order to schedule flush runnable
       new 
ThreadFactoryBuilder().setDaemon(true).setNameFormat("AmbariMetricsEmitter-%s").build()
@@ -230,7 +231,6 @@ public class AmbariMetricsEmitter extends 
AbstractTimelineMetricsSink implements
 
   protected static String sanitize(String namespace)
   {
-    Pattern DOT_OR_WHITESPACE = Pattern.compile("[\\s]+|[.]+");
-    return DOT_OR_WHITESPACE.matcher(namespace).replaceAll("_");
+    return DOT_OR_WHITESPACE_PATTERN.matcher(namespace).replaceAll("_");
   }
 }
diff --git 
a/extensions-contrib/graphite-emitter/src/main/java/org/apache/druid/emitter/graphite/GraphiteEmitter.java
 
b/extensions-contrib/graphite-emitter/src/main/java/org/apache/druid/emitter/graphite/GraphiteEmitter.java
index 7fd10ca..13ffb48 100644
--- 
a/extensions-contrib/graphite-emitter/src/main/java/org/apache/druid/emitter/graphite/GraphiteEmitter.java
+++ 
b/extensions-contrib/graphite-emitter/src/main/java/org/apache/druid/emitter/graphite/GraphiteEmitter.java
@@ -57,6 +57,7 @@ public class GraphiteEmitter implements Emitter
   private final AtomicBoolean started = new AtomicBoolean(false);
   private final LinkedBlockingQueue<GraphiteEvent> eventsQueue;
   private static final long FLUSH_TIMEOUT_MILLIS = 
TimeUnit.MINUTES.toMillis(1); // default flush wait 1 min
+  private static final Pattern DOT_OR_WHITESPACE_PATTERN = 
Pattern.compile("[\\s]+|[.]+");
   private final ScheduledExecutorService exec = 
Executors.newScheduledThreadPool(2, new ThreadFactoryBuilder()
       .setDaemon(true)
       .setNameFormat("GraphiteEmitter-%s")
@@ -249,8 +250,7 @@ public class GraphiteEmitter implements Emitter
 
   protected static String sanitize(String namespace, Boolean replaceSlashToDot)
   {
-    Pattern DOT_OR_WHITESPACE = Pattern.compile("[\\s]+|[.]+");
-    String sanitizedNamespace = 
DOT_OR_WHITESPACE.matcher(namespace).replaceAll("_");
+    String sanitizedNamespace = 
DOT_OR_WHITESPACE_PATTERN.matcher(namespace).replaceAll("_");
     if (replaceSlashToDot) {
       sanitizedNamespace = sanitizedNamespace.replace('/', '.');
     }
diff --git 
a/extensions-core/kinesis-indexing-service/src/test/java/org/apache/druid/indexing/kinesis/supervisor/KinesisSupervisorTest.java
 
b/extensions-core/kinesis-indexing-service/src/test/java/org/apache/druid/indexing/kinesis/supervisor/KinesisSupervisorTest.java
index 2cf6c50..a06c303 100644
--- 
a/extensions-core/kinesis-indexing-service/src/test/java/org/apache/druid/indexing/kinesis/supervisor/KinesisSupervisorTest.java
+++ 
b/extensions-core/kinesis-indexing-service/src/test/java/org/apache/druid/indexing/kinesis/supervisor/KinesisSupervisorTest.java
@@ -1253,11 +1253,11 @@ public class KinesisSupervisorTest extends 
EasyMockSupport
     verifyAll();
 
     for (Task task : secondTasks.getValues()) {
-      KinesisIndexTask KinesisIndexTask = (KinesisIndexTask) task;
-      Assert.assertEquals(dataSchema, KinesisIndexTask.getDataSchema());
-      Assert.assertEquals(tuningConfig.convertToTaskTuningConfig(), 
KinesisIndexTask.getTuningConfig());
+      KinesisIndexTask kinesisIndexTask = (KinesisIndexTask) task;
+      Assert.assertEquals(dataSchema, kinesisIndexTask.getDataSchema());
+      Assert.assertEquals(tuningConfig.convertToTaskTuningConfig(), 
kinesisIndexTask.getTuningConfig());
 
-      KinesisIndexTaskIOConfig taskConfig = KinesisIndexTask.getIOConfig();
+      KinesisIndexTaskIOConfig taskConfig = kinesisIndexTask.getIOConfig();
       Assert.assertEquals("sequenceName-1", taskConfig.getBaseSequenceName());
       Assert.assertTrue("isUseTransaction", taskConfig.isUseTransaction());
 
@@ -3709,7 +3709,7 @@ public class KinesisSupervisorTest extends EasyMockSupport
       boolean suspended
   )
   {
-    KinesisSupervisorIOConfig KinesisSupervisorIOConfig = new 
KinesisSupervisorIOConfig(
+    KinesisSupervisorIOConfig kinesisSupervisorIOConfig = new 
KinesisSupervisorIOConfig(
         stream,
         "awsEndpoint",
         null,
@@ -3759,7 +3759,7 @@ public class KinesisSupervisorTest extends EasyMockSupport
         new KinesisSupervisorSpec(
             dataSchema,
             tuningConfig,
-            KinesisSupervisorIOConfig,
+            kinesisSupervisorIOConfig,
             null,
             suspended,
             taskStorage,
@@ -3810,7 +3810,7 @@ public class KinesisSupervisorTest extends EasyMockSupport
       Integer fetchDelayMillis
   )
   {
-    KinesisSupervisorIOConfig KinesisSupervisorIOConfig = new 
KinesisSupervisorIOConfig(
+    KinesisSupervisorIOConfig kinesisSupervisorIOConfig = new 
KinesisSupervisorIOConfig(
         stream,
         "awsEndpoint",
         null,
@@ -3860,7 +3860,7 @@ public class KinesisSupervisorTest extends EasyMockSupport
         new KinesisSupervisorSpec(
             dataSchema,
             tuningConfig,
-            KinesisSupervisorIOConfig,
+            kinesisSupervisorIOConfig,
             null,
             suspended,
             taskStorage,
@@ -3893,7 +3893,7 @@ public class KinesisSupervisorTest extends EasyMockSupport
       boolean isTaskCurrentReturn
   )
   {
-    KinesisSupervisorIOConfig KinesisSupervisorIOConfig = new 
KinesisSupervisorIOConfig(
+    KinesisSupervisorIOConfig kinesisSupervisorIOConfig = new 
KinesisSupervisorIOConfig(
         stream,
         "awsEndpoint",
         null,
@@ -3943,7 +3943,7 @@ public class KinesisSupervisorTest extends EasyMockSupport
         new KinesisSupervisorSpec(
             dataSchema,
             tuningConfig,
-            KinesisSupervisorIOConfig,
+            kinesisSupervisorIOConfig,
             null,
             suspended,
             taskStorage,
@@ -3978,7 +3978,7 @@ public class KinesisSupervisorTest extends EasyMockSupport
       KinesisSupervisorTuningConfig tuningConfig
   )
   {
-    KinesisSupervisorIOConfig KinesisSupervisorIOConfig = new 
KinesisSupervisorIOConfig(
+    KinesisSupervisorIOConfig kinesisSupervisorIOConfig = new 
KinesisSupervisorIOConfig(
         stream,
         "awsEndpoint",
         null,
@@ -4028,7 +4028,7 @@ public class KinesisSupervisorTest extends EasyMockSupport
         new KinesisSupervisorSpec(
             dataSchema,
             tuningConfig,
-            KinesisSupervisorIOConfig,
+            kinesisSupervisorIOConfig,
             null,
             suspended,
             taskStorage,
diff --git 
a/hll/src/test/java/org/apache/druid/hll/HyperLogLogCollectorBenchmark.java 
b/hll/src/test/java/org/apache/druid/hll/HyperLogLogCollectorBenchmark.java
index 66ea18e..26ef06f 100644
--- a/hll/src/test/java/org/apache/druid/hll/HyperLogLogCollectorBenchmark.java
+++ b/hll/src/test/java/org/apache/druid/hll/HyperLogLogCollectorBenchmark.java
@@ -53,7 +53,7 @@ public class HyperLogLogCollectorBenchmark extends 
SimpleBenchmark
   boolean alignSource;
   boolean alignTarget;
 
-  int CACHE_LINE = 64;
+  int cacheLine = 64;
 
   ByteBuffer chunk;
   final int count = 100_000;
@@ -83,8 +83,8 @@ public class HyperLogLogCollectorBenchmark extends 
SimpleBenchmark
 
     int val = 0;
     chunk = ByteBuffers.allocateAlignedByteBuffer(
-        (HyperLogLogCollector.getLatestNumBytesForDenseStorage() + CACHE_LINE
-         + CACHE_LINE) * count, CACHE_LINE
+        (HyperLogLogCollector.getLatestNumBytesForDenseStorage() + cacheLine
+         + cacheLine) * count, cacheLine
     );
 
     int pos = 0;
@@ -100,8 +100,8 @@ public class HyperLogLogCollectorBenchmark extends 
SimpleBenchmark
 
       final int offset = random ? (int) (rand.nextDouble() * 64) : 
defaultOffset;
 
-      if (alignSource && (pos % CACHE_LINE) != offset) {
-        pos += (pos % CACHE_LINE) < offset ? offset - (pos % CACHE_LINE) : 
(CACHE_LINE + offset - pos % CACHE_LINE);
+      if (alignSource && (pos % cacheLine) != offset) {
+        pos += (pos % cacheLine) < offset ? offset - (pos % cacheLine) : 
(cacheLine + offset - pos % cacheLine);
       }
 
       positions[i] = pos;
@@ -123,11 +123,11 @@ public class HyperLogLogCollectorBenchmark extends 
SimpleBenchmark
   private ByteBuffer allocateEmptyHLLBuffer(boolean direct, boolean aligned, 
int offset)
   {
     final int size = HyperLogLogCollector.getLatestNumBytesForDenseStorage();
-    final byte[] EMPTY_BYTES = 
HyperLogLogCollector.makeEmptyVersionedByteArray();
+    final byte[] emptyBytes = 
HyperLogLogCollector.makeEmptyVersionedByteArray();
     final ByteBuffer buf;
     if (direct) {
       if (aligned) {
-        buf = ByteBuffers.allocateAlignedByteBuffer(size + offset, CACHE_LINE);
+        buf = ByteBuffers.allocateAlignedByteBuffer(size + offset, cacheLine);
         buf.position(offset);
         buf.mark();
         buf.limit(size + offset);
@@ -137,12 +137,12 @@ public class HyperLogLogCollectorBenchmark extends 
SimpleBenchmark
         buf.limit(size);
       }
 
-      buf.put(EMPTY_BYTES);
+      buf.put(emptyBytes);
       buf.reset();
     } else {
       buf = ByteBuffer.allocate(size);
       buf.limit(size);
-      buf.put(EMPTY_BYTES);
+      buf.put(emptyBytes);
       buf.rewind();
     }
     return buf;
diff --git 
a/indexing-service/src/test/java/org/apache/druid/indexing/overlord/setup/EqualDistributionWorkerSelectStrategyTest.java
 
b/indexing-service/src/test/java/org/apache/druid/indexing/overlord/setup/EqualDistributionWorkerSelectStrategyTest.java
index e68d0a9..8d8e494 100644
--- 
a/indexing-service/src/test/java/org/apache/druid/indexing/overlord/setup/EqualDistributionWorkerSelectStrategyTest.java
+++ 
b/indexing-service/src/test/java/org/apache/druid/indexing/overlord/setup/EqualDistributionWorkerSelectStrategyTest.java
@@ -138,7 +138,7 @@ public class EqualDistributionWorkerSelectStrategyTest
   @Test
   public void testOneDisableWorkerDifferentUsedCapacity()
   {
-    String DISABLED_VERSION = "";
+    String disabledVersion = "";
     final EqualDistributionWorkerSelectStrategy strategy = new 
EqualDistributionWorkerSelectStrategy(null);
 
     ImmutableWorkerInfo worker = strategy.findWorkerForTask(
@@ -146,7 +146,7 @@ public class EqualDistributionWorkerSelectStrategyTest
         ImmutableMap.of(
             "lhost",
             new ImmutableWorkerInfo(
-                new Worker("http", "disableHost", "disableHost", 10, 
DISABLED_VERSION), 2,
+                new Worker("http", "disableHost", "disableHost", 10, 
disabledVersion), 2,
                 new HashSet<>(),
                 new HashSet<>(),
                 DateTimes.nowUtc()
@@ -174,7 +174,7 @@ public class EqualDistributionWorkerSelectStrategyTest
   @Test
   public void testOneDisableWorkerSameUsedCapacity()
   {
-    String DISABLED_VERSION = "";
+    String disabledVersion = "";
     final EqualDistributionWorkerSelectStrategy strategy = new 
EqualDistributionWorkerSelectStrategy(null);
 
     ImmutableWorkerInfo worker = strategy.findWorkerForTask(
@@ -182,7 +182,7 @@ public class EqualDistributionWorkerSelectStrategyTest
         ImmutableMap.of(
             "lhost",
             new ImmutableWorkerInfo(
-                new Worker("http", "disableHost", "disableHost", 10, 
DISABLED_VERSION), 5,
+                new Worker("http", "disableHost", "disableHost", 10, 
disabledVersion), 5,
                 new HashSet<>(),
                 new HashSet<>(),
                 DateTimes.nowUtc()
diff --git 
a/processing/src/test/java/org/apache/druid/query/PrioritizedExecutorServiceTest.java
 
b/processing/src/test/java/org/apache/druid/query/PrioritizedExecutorServiceTest.java
index 098f5b2..c4afe6c 100644
--- 
a/processing/src/test/java/org/apache/druid/query/PrioritizedExecutorServiceTest.java
+++ 
b/processing/src/test/java/org/apache/druid/query/PrioritizedExecutorServiceTest.java
@@ -242,12 +242,12 @@ public class PrioritizedExecutorServiceTest
   @Test
   public void testOrderedExecutionMultiplePriorityMix() throws 
ExecutionException, InterruptedException
   {
-    final int DEFAULT = 0;
-    final int MIN = -1;
-    final int MAX = 1;
-    exec = new PrioritizedExecutorService(exec.threadPoolExecutor, true, 
DEFAULT, config);
+    final int _default = 0;
+    final int min = -1;
+    final int max = 1;
+    exec = new PrioritizedExecutorService(exec.threadPoolExecutor, true, 
_default, config);
     final int numTasks = 999;
-    final int[] priorities = new int[]{MAX, DEFAULT, MIN};
+    final int[] priorities = new int[]{max, _default, min};
     final int tasksPerPriority = numTasks / priorities.length;
     final int[] priorityOffsets = new int[]{0, tasksPerPriority, 
tasksPerPriority * 2};
     final List<ListenableFuture<?>> futures = 
Lists.newArrayListWithExpectedSize(numTasks);
diff --git 
a/processing/src/test/java/org/apache/druid/query/topn/TopNQueryRunnerTest.java 
b/processing/src/test/java/org/apache/druid/query/topn/TopNQueryRunnerTest.java
index cf636ec..0eb48f5 100644
--- 
a/processing/src/test/java/org/apache/druid/query/topn/TopNQueryRunnerTest.java
+++ 
b/processing/src/test/java/org/apache/druid/query/topn/TopNQueryRunnerTest.java
@@ -4330,11 +4330,11 @@ public class TopNQueryRunnerTest
         new TopNQueryConfig(),
         QueryRunnerTestHelper.noopIntervalChunkingQueryRunnerDecorator()
     );
-    final QueryRunner<Result<TopNResultValue>> Runner = new 
FinalizeResultsQueryRunner(
+    final QueryRunner<Result<TopNResultValue>> _runner = new 
FinalizeResultsQueryRunner(
         chest.mergeResults(chest.preMergeQueryDecoration(runner)),
         chest
     );
-    return Runner.run(QueryPlus.wrap(query), context);
+    return _runner.run(QueryPlus.wrap(query), context);
   }
 
   @Test
diff --git a/server/src/main/java/org/apache/druid/server/StatusResource.java 
b/server/src/main/java/org/apache/druid/server/StatusResource.java
index 56fedc2..b69c6ce 100644
--- a/server/src/main/java/org/apache/druid/server/StatusResource.java
+++ b/server/src/main/java/org/apache/druid/server/StatusResource.java
@@ -134,18 +134,18 @@ public class StatusResource
     @Override
     public String toString()
     {
-      final String NL = System.getProperty("line.separator");
       StringBuilder output = new StringBuilder();
-      output.append(StringUtils.format("Druid version - %s", 
version)).append(NL).append(NL);
+      String lineSeparator = System.lineSeparator();
+      output.append(StringUtils.format("Druid version - %s", 
version)).append(lineSeparator).append(lineSeparator);
 
       if (modules.size() > 0) {
-        output.append("Registered Druid Modules").append(NL);
+        output.append("Registered Druid Modules").append(lineSeparator);
       } else {
         output.append("No Druid Modules loaded !");
       }
 
       for (ModuleVersion moduleVersion : modules) {
-        output.append(moduleVersion).append(NL);
+        output.append(moduleVersion).append(lineSeparator);
       }
       return output.toString();
     }
diff --git 
a/server/src/test/java/org/apache/druid/curator/discovery/ServerDiscoverySelectorTest.java
 
b/server/src/test/java/org/apache/druid/curator/discovery/ServerDiscoverySelectorTest.java
index cac1bd0..0d01807 100644
--- 
a/server/src/test/java/org/apache/druid/curator/discovery/ServerDiscoverySelectorTest.java
+++ 
b/server/src/test/java/org/apache/druid/curator/discovery/ServerDiscoverySelectorTest.java
@@ -139,17 +139,17 @@ public class ServerDiscoverySelectorTest
   @Test
   public void testPickIPv6() throws Exception
   {
-    final String ADDRESS = "2001:0db8:0000:0000:0000:ff00:0042:8329";
+    final String address = "2001:0db8:0000:0000:0000:ff00:0042:8329";
     
EasyMock.expect(serviceProvider.getInstance()).andReturn(instance).anyTimes();
-    EasyMock.expect(instance.getAddress()).andReturn(ADDRESS).anyTimes();
+    EasyMock.expect(instance.getAddress()).andReturn(address).anyTimes();
     EasyMock.expect(instance.getPort()).andReturn(PORT).anyTimes();
     EasyMock.expect(instance.getSslPort()).andReturn(-1).anyTimes();
     EasyMock.replay(instance, serviceProvider);
     Server server = serverDiscoverySelector.pick();
     Assert.assertEquals(PORT, server.getPort());
-    Assert.assertEquals(ADDRESS, server.getAddress());
+    Assert.assertEquals(address, server.getAddress());
     Assert.assertTrue(server.getHost().contains(Integer.toString(PORT)));
-    Assert.assertTrue(server.getHost().contains(ADDRESS));
+    Assert.assertTrue(server.getHost().contains(address));
     Assert.assertEquals("http", server.getScheme());
     EasyMock.verify(instance, serviceProvider);
     final URI uri = new URI(
@@ -162,7 +162,7 @@ public class ServerDiscoverySelectorTest
         null
     );
     Assert.assertEquals(PORT, uri.getPort());
-    Assert.assertEquals(StringUtils.format("[%s]", ADDRESS), uri.getHost());
+    Assert.assertEquals(StringUtils.format("[%s]", address), uri.getHost());
     Assert.assertEquals("http", uri.getScheme());
   }
 
@@ -170,17 +170,17 @@ public class ServerDiscoverySelectorTest
   @Test
   public void testPickIPv6Bracket() throws Exception
   {
-    final String ADDRESS = "[2001:0db8:0000:0000:0000:ff00:0042:8329]";
+    final String address = "[2001:0db8:0000:0000:0000:ff00:0042:8329]";
     
EasyMock.expect(serviceProvider.getInstance()).andReturn(instance).anyTimes();
-    EasyMock.expect(instance.getAddress()).andReturn(ADDRESS).anyTimes();
+    EasyMock.expect(instance.getAddress()).andReturn(address).anyTimes();
     EasyMock.expect(instance.getPort()).andReturn(PORT).anyTimes();
     EasyMock.expect(instance.getSslPort()).andReturn(-1).anyTimes();
     EasyMock.replay(instance, serviceProvider);
     Server server = serverDiscoverySelector.pick();
     Assert.assertEquals(PORT, server.getPort());
-    Assert.assertEquals(ADDRESS, server.getAddress());
+    Assert.assertEquals(address, server.getAddress());
     Assert.assertTrue(server.getHost().contains(Integer.toString(PORT)));
-    Assert.assertTrue(server.getHost().contains(ADDRESS));
+    Assert.assertTrue(server.getHost().contains(address));
     Assert.assertEquals("http", server.getScheme());
     EasyMock.verify(instance, serviceProvider);
     final URI uri = new URI(
@@ -193,7 +193,7 @@ public class ServerDiscoverySelectorTest
         null
     );
     Assert.assertEquals(PORT, uri.getPort());
-    Assert.assertEquals(ADDRESS, uri.getHost());
+    Assert.assertEquals(address, uri.getHost());
     Assert.assertEquals("http", uri.getScheme());
   }
 
diff --git 
a/server/src/test/java/org/apache/druid/server/http/DataSourcesResourceTest.java
 
b/server/src/test/java/org/apache/druid/server/http/DataSourcesResourceTest.java
index 03b2146..02885ff 100644
--- 
a/server/src/test/java/org/apache/druid/server/http/DataSourcesResourceTest.java
+++ 
b/server/src/test/java/org/apache/druid/server/http/DataSourcesResourceTest.java
@@ -170,7 +170,7 @@ public class DataSourcesResourceTest
     EasyMock.expectLastCall().times(1);
 
     EasyMock.replay(inventoryView, server, request);
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         null,
         null,
@@ -178,7 +178,7 @@ public class DataSourcesResourceTest
         new AuthConfig(),
         AuthTestUtils.TEST_AUTHORIZER_MAPPER
     );
-    Response response = DataSourcesResource.getQueryableDataSources("full", 
null, request);
+    Response response = dataSourcesResource.getQueryableDataSources("full", 
null, request);
     Set<ImmutableDruidDataSource> result = (Set<ImmutableDruidDataSource>) 
response.getEntity();
     Assert.assertEquals(200, response.getStatus());
     Assert.assertEquals(2, result.size());
@@ -187,7 +187,7 @@ public class DataSourcesResourceTest
         new HashSet<>(result)
     );
 
-    response = DataSourcesResource.getQueryableDataSources(null, null, 
request);
+    response = dataSourcesResource.getQueryableDataSources(null, null, 
request);
     List<String> result1 = (List<String>) response.getEntity();
     Assert.assertEquals(200, response.getStatus());
     Assert.assertEquals(2, result1.size());
@@ -255,7 +255,7 @@ public class DataSourcesResourceTest
       }
     };
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         null,
         null,
@@ -263,7 +263,7 @@ public class DataSourcesResourceTest
         new AuthConfig(),
         authMapper
     );
-    Response response = DataSourcesResource.getQueryableDataSources("full", 
null, request);
+    Response response = dataSourcesResource.getQueryableDataSources("full", 
null, request);
     Set<ImmutableDruidDataSource> result = (Set<ImmutableDruidDataSource>) 
response.getEntity();
 
     Assert.assertEquals(200, response.getStatus());
@@ -275,7 +275,7 @@ public class DataSourcesResourceTest
         new HashSet<>(result)
     );
 
-    response = DataSourcesResource.getQueryableDataSources(null, null, 
request);
+    response = dataSourcesResource.getQueryableDataSources(null, null, 
request);
     List<String> result1 = (List<String>) response.getEntity();
 
     Assert.assertEquals(200, response.getStatus());
@@ -302,7 +302,7 @@ public class DataSourcesResourceTest
     EasyMock.expectLastCall().times(1);
 
     EasyMock.replay(inventoryView, server, request);
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         null,
         null,
@@ -310,7 +310,7 @@ public class DataSourcesResourceTest
         new AuthConfig(),
         AuthTestUtils.TEST_AUTHORIZER_MAPPER
     );
-    Response response = DataSourcesResource.getQueryableDataSources(null, 
"simple", request);
+    Response response = dataSourcesResource.getQueryableDataSources(null, 
"simple", request);
     Assert.assertEquals(200, response.getStatus());
     List<Map<String, Object>> results = (List<Map<String, Object>>) 
response.getEntity();
     int index = 0;
@@ -332,9 +332,9 @@ public class DataSourcesResourceTest
     
EasyMock.expect(inventoryView.getInventory()).andReturn(ImmutableList.of(server)).atLeastOnce();
 
     EasyMock.replay(inventoryView, server);
-    DataSourcesResource DataSourcesResource =
+    DataSourcesResource dataSourcesResource =
         new DataSourcesResource(inventoryView, null, null, null, new 
AuthConfig(), null);
-    Response response = DataSourcesResource.getTheDataSource("datasource1", 
"full");
+    Response response = dataSourcesResource.getTheDataSource("datasource1", 
"full");
     ImmutableDruidDataSource result = (ImmutableDruidDataSource) 
response.getEntity();
     Assert.assertEquals(200, response.getStatus());
     Assert.assertEquals(dataSource1.toImmutableDruidDataSource(), result);
@@ -348,9 +348,9 @@ public class DataSourcesResourceTest
     
EasyMock.expect(inventoryView.getInventory()).andReturn(ImmutableList.of(server)).atLeastOnce();
 
     EasyMock.replay(inventoryView, server);
-    DataSourcesResource DataSourcesResource =
+    DataSourcesResource dataSourcesResource =
         new DataSourcesResource(inventoryView, null, null, null, new 
AuthConfig(), null);
-    Assert.assertEquals(204, DataSourcesResource.getTheDataSource("none", 
null).getStatus());
+    Assert.assertEquals(204, dataSourcesResource.getTheDataSource("none", 
null).getStatus());
     EasyMock.verify(inventoryView, server);
   }
 
@@ -366,9 +366,9 @@ public class DataSourcesResourceTest
     
EasyMock.expect(inventoryView.getInventory()).andReturn(ImmutableList.of(server)).atLeastOnce();
 
     EasyMock.replay(inventoryView, server);
-    DataSourcesResource DataSourcesResource =
+    DataSourcesResource dataSourcesResource =
         new DataSourcesResource(inventoryView, null, null, null, new 
AuthConfig(), null);
-    Response response = DataSourcesResource.getTheDataSource("datasource1", 
null);
+    Response response = dataSourcesResource.getTheDataSource("datasource1", 
null);
     Assert.assertEquals(200, response.getStatus());
     Map<String, Map<String, Object>> result = (Map<String, Map<String, 
Object>>) response.getEntity();
     Assert.assertEquals(1, ((Map) 
(result.get("tiers").get(null))).get("segmentCount"));
@@ -406,9 +406,9 @@ public class DataSourcesResourceTest
     ).atLeastOnce();
 
     EasyMock.replay(inventoryView, server, server2, server3);
-    DataSourcesResource DataSourcesResource =
+    DataSourcesResource dataSourcesResource =
         new DataSourcesResource(inventoryView, null, null, null, new 
AuthConfig(), null);
-    Response response = DataSourcesResource.getTheDataSource("datasource1", 
null);
+    Response response = dataSourcesResource.getTheDataSource("datasource1", 
null);
     Assert.assertEquals(200, response.getStatus());
     Map<String, Map<String, Object>> result = (Map<String, Map<String, 
Object>>) response.getEntity();
     Assert.assertEquals(2, ((Map) 
(result.get("tiers").get("cold"))).get("segmentCount"));
@@ -552,7 +552,7 @@ public class DataSourcesResourceTest
     EasyMock.expectLastCall().once();
     EasyMock.replay(indexingServiceClient, server);
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         null,
         null,
@@ -560,7 +560,7 @@ public class DataSourcesResourceTest
         new AuthConfig(),
         null
     );
-    Response response = 
DataSourcesResource.deleteDataSourceSpecificInterval("datasource1", interval);
+    Response response = 
dataSourcesResource.deleteDataSourceSpecificInterval("datasource1", interval);
 
     Assert.assertEquals(200, response.getStatus());
     Assert.assertEquals(null, response.getEntity());
@@ -572,7 +572,7 @@ public class DataSourcesResourceTest
   {
     IndexingServiceClient indexingServiceClient = 
EasyMock.createStrictMock(IndexingServiceClient.class);
     EasyMock.replay(indexingServiceClient, server);
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         null,
         null,
@@ -580,7 +580,7 @@ public class DataSourcesResourceTest
         new AuthConfig(),
         null
     );
-    Response response = DataSourcesResource.deleteDataSource("datasource", 
"true", "???");
+    Response response = dataSourcesResource.deleteDataSource("datasource", 
"true", "???");
     Assert.assertEquals(400, response.getStatus());
     Assert.assertNotNull(response.getEntity());
     
Assert.assertTrue(response.getEntity().toString().contains("java.lang.IllegalArgumentException"));
@@ -594,7 +594,7 @@ public class DataSourcesResourceTest
     MetadataRuleManager databaseRuleManager = 
EasyMock.createMock(MetadataRuleManager.class);
     Rule loadRule = new 
IntervalLoadRule(Intervals.of("2013-01-02T00:00:00Z/2013-01-03T00:00:00Z"), 
null);
     Rule dropRule = new 
IntervalDropRule(Intervals.of("2013-01-01T00:00:00Z/2013-01-02T00:00:00Z"));
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         null,
         databaseRuleManager,
@@ -610,7 +610,7 @@ public class DataSourcesResourceTest
     EasyMock.replay(databaseRuleManager);
 
     String interval1 = "2013-01-01T01:00:00Z/2013-01-01T02:00:00Z";
-    Response response1 = DataSourcesResource.isHandOffComplete("dataSource1", 
interval1, 1, "v1");
+    Response response1 = dataSourcesResource.isHandOffComplete("dataSource1", 
interval1, 1, "v1");
     Assert.assertTrue((boolean) response1.getEntity());
 
     EasyMock.verify(databaseRuleManager);
@@ -626,7 +626,7 @@ public class DataSourcesResourceTest
     EasyMock.replay(inventoryView, databaseRuleManager);
 
     String interval2 = "2013-01-02T01:00:00Z/2013-01-02T02:00:00Z";
-    Response response2 = DataSourcesResource.isHandOffComplete("dataSource1", 
interval2, 1, "v1");
+    Response response2 = dataSourcesResource.isHandOffComplete("dataSource1", 
interval2, 1, "v1");
     Assert.assertFalse((boolean) response2.getEntity());
 
     EasyMock.verify(inventoryView, databaseRuleManager);
@@ -660,7 +660,7 @@ public class DataSourcesResourceTest
             .once();
     EasyMock.replay(inventoryView, databaseRuleManager);
 
-    Response response3 = DataSourcesResource.isHandOffComplete("dataSource1", 
interval3, 1, "v1");
+    Response response3 = dataSourcesResource.isHandOffComplete("dataSource1", 
interval3, 1, "v1");
     Assert.assertTrue((boolean) response3.getEntity());
 
     EasyMock.verify(inventoryView, databaseRuleManager);
@@ -675,7 +675,7 @@ public class DataSourcesResourceTest
         .once();
     EasyMock.replay(metadataSegmentManager);
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         null,
         metadataSegmentManager,
         null,
@@ -684,7 +684,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    Response response = 
DataSourcesResource.enableDatasourceSegment(dataSegmentList.get(0).getDataSource(),
 dataSegmentList.get(0).getId().toString());
+    Response response = 
dataSourcesResource.enableDatasourceSegment(dataSegmentList.get(0).getDataSource(),
 dataSegmentList.get(0).getId().toString());
     Assert.assertEquals(200, response.getStatus());
     EasyMock.verify(metadataSegmentManager);
   }
@@ -698,7 +698,7 @@ public class DataSourcesResourceTest
             .once();
     EasyMock.replay(metadataSegmentManager);
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         null,
         metadataSegmentManager,
         null,
@@ -707,7 +707,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    Response response = 
DataSourcesResource.enableDatasourceSegment(dataSegmentList.get(0).getDataSource(),
 dataSegmentList.get(0).getId().toString());
+    Response response = 
dataSourcesResource.enableDatasourceSegment(dataSegmentList.get(0).getDataSource(),
 dataSegmentList.get(0).getId().toString());
     Assert.assertEquals(204, response.getStatus());
     EasyMock.verify(metadataSegmentManager);
   }
@@ -725,7 +725,7 @@ public class DataSourcesResourceTest
     
EasyMock.expect(server.getDataSource("datasource1")).andReturn(dataSource).once();
     EasyMock.replay(metadataSegmentManager, inventoryView, server);
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         metadataSegmentManager,
         null,
@@ -734,7 +734,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    Response response = DataSourcesResource.enableDatasourceSegments(
+    Response response = dataSourcesResource.enableDatasourceSegments(
         "datasource1",
         new DataSourcesResource.MarkDatasourceSegmentsPayload(
             interval,
@@ -758,7 +758,7 @@ public class DataSourcesResourceTest
     
EasyMock.expect(server.getDataSource("datasource1")).andReturn(dataSource).once();
     EasyMock.replay(metadataSegmentManager, inventoryView, server);
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         metadataSegmentManager,
         null,
@@ -767,7 +767,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    Response response = DataSourcesResource.enableDatasourceSegments(
+    Response response = dataSourcesResource.enableDatasourceSegments(
         "datasource1",
         new DataSourcesResource.MarkDatasourceSegmentsPayload(
             interval,
@@ -791,7 +791,7 @@ public class DataSourcesResourceTest
     
EasyMock.expect(server.getDataSource("datasource1")).andReturn(dataSource).once();
     EasyMock.replay(metadataSegmentManager, inventoryView, server);
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         metadataSegmentManager,
         null,
@@ -800,7 +800,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    Response response = DataSourcesResource.enableDatasourceSegments(
+    Response response = dataSourcesResource.enableDatasourceSegments(
         "datasource1",
         new DataSourcesResource.MarkDatasourceSegmentsPayload(
             null,
@@ -824,7 +824,7 @@ public class DataSourcesResourceTest
     
EasyMock.expect(server.getDataSource("datasource1")).andReturn(dataSource).once();
     EasyMock.replay(metadataSegmentManager, inventoryView, server);
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         metadataSegmentManager,
         null,
@@ -833,7 +833,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    Response response = DataSourcesResource.enableDatasourceSegments(
+    Response response = dataSourcesResource.enableDatasourceSegments(
         "datasource1",
         new DataSourcesResource.MarkDatasourceSegmentsPayload(
             interval,
@@ -852,7 +852,7 @@ public class DataSourcesResourceTest
     
EasyMock.expect(server.getDataSource("datasource1")).andReturn(null).once();
     EasyMock.replay(metadataSegmentManager, inventoryView, server);
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         metadataSegmentManager,
         null,
@@ -861,7 +861,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    Response response = DataSourcesResource.enableDatasourceSegments(
+    Response response = dataSourcesResource.enableDatasourceSegments(
         "datasource1",
         new DataSourcesResource.MarkDatasourceSegmentsPayload(
           Intervals.of("2010-01-22/P1D"),
@@ -877,7 +877,7 @@ public class DataSourcesResourceTest
   {
     MetadataSegmentManager metadataSegmentManager = 
EasyMock.createMock(MetadataSegmentManager.class);
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         metadataSegmentManager,
         null,
@@ -886,7 +886,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    Response response = DataSourcesResource.enableDatasourceSegments(
+    Response response = dataSourcesResource.enableDatasourceSegments(
         "datasource1",
         new DataSourcesResource.MarkDatasourceSegmentsPayload(
             null,
@@ -901,7 +901,7 @@ public class DataSourcesResourceTest
   {
     MetadataSegmentManager metadataSegmentManager = 
EasyMock.createMock(MetadataSegmentManager.class);
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         metadataSegmentManager,
         null,
@@ -910,7 +910,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    Response response = DataSourcesResource.enableDatasourceSegments(
+    Response response = dataSourcesResource.enableDatasourceSegments(
         "datasource1",
         new DataSourcesResource.MarkDatasourceSegmentsPayload(
             Intervals.of("2010-01-22/P1D"),
@@ -925,7 +925,7 @@ public class DataSourcesResourceTest
   {
     MetadataSegmentManager metadataSegmentManager = 
EasyMock.createMock(MetadataSegmentManager.class);
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         metadataSegmentManager,
         null,
@@ -934,7 +934,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    Response response = DataSourcesResource.enableDatasourceSegments(
+    Response response = dataSourcesResource.enableDatasourceSegments(
         "datasource1",
         new DataSourcesResource.MarkDatasourceSegmentsPayload(
             null,
@@ -949,7 +949,7 @@ public class DataSourcesResourceTest
   {
     MetadataSegmentManager metadataSegmentManager = 
EasyMock.createMock(MetadataSegmentManager.class);
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         metadataSegmentManager,
         null,
@@ -958,7 +958,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    Response response = DataSourcesResource.enableDatasourceSegments(
+    Response response = dataSourcesResource.enableDatasourceSegments(
         "datasource1",
         null
     );
@@ -1120,7 +1120,7 @@ public class DataSourcesResourceTest
         segmentIds
     );
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         segmentManager,
         null,
@@ -1128,7 +1128,7 @@ public class DataSourcesResourceTest
         new AuthConfig(),
         null
     );
-    Response response = 
DataSourcesResource.markDatasourceUnused("datasource1", payload);
+    Response response = 
dataSourcesResource.markDatasourceUnused("datasource1", payload);
     Assert.assertEquals(200, response.getStatus());
     Assert.assertEquals(null, response.getEntity());
     EasyMock.verify(segmentManager, inventoryView, server);
@@ -1153,7 +1153,7 @@ public class DataSourcesResourceTest
         segmentIds
     );
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         segmentManager,
         null,
@@ -1161,7 +1161,7 @@ public class DataSourcesResourceTest
         new AuthConfig(),
         null
     );
-    Response response = 
DataSourcesResource.markDatasourceUnused("datasource1", payload);
+    Response response = 
dataSourcesResource.markDatasourceUnused("datasource1", payload);
     Assert.assertEquals(204, response.getStatus());
     Assert.assertEquals(null, response.getEntity());
     EasyMock.verify(segmentManager, inventoryView, server);
@@ -1188,7 +1188,7 @@ public class DataSourcesResourceTest
         segmentIds
     );
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         segmentManager,
         null,
@@ -1196,7 +1196,7 @@ public class DataSourcesResourceTest
         new AuthConfig(),
         null
     );
-    Response response = 
DataSourcesResource.markDatasourceUnused("datasource1", payload);
+    Response response = 
dataSourcesResource.markDatasourceUnused("datasource1", payload);
     Assert.assertEquals(500, response.getStatus());
     Assert.assertNotNull(response.getEntity());
     EasyMock.verify(segmentManager, inventoryView, server);
@@ -1219,7 +1219,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         segmentManager,
         null,
@@ -1227,7 +1227,7 @@ public class DataSourcesResourceTest
         new AuthConfig(),
         null
     );
-    Response response = 
DataSourcesResource.markDatasourceUnused("datasource1", payload);
+    Response response = 
dataSourcesResource.markDatasourceUnused("datasource1", payload);
     Assert.assertEquals(200, response.getStatus());
     Assert.assertEquals(null, response.getEntity());
     EasyMock.verify(segmentManager, inventoryView, server);
@@ -1251,7 +1251,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         segmentManager,
         null,
@@ -1259,7 +1259,7 @@ public class DataSourcesResourceTest
         new AuthConfig(),
         null
     );
-    Response response = 
DataSourcesResource.markDatasourceUnused("datasource1", payload);
+    Response response = 
dataSourcesResource.markDatasourceUnused("datasource1", payload);
     Assert.assertEquals(204, response.getStatus());
     Assert.assertEquals(null, response.getEntity());
     EasyMock.verify(segmentManager, inventoryView, server);
@@ -1284,7 +1284,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         segmentManager,
         null,
@@ -1292,7 +1292,7 @@ public class DataSourcesResourceTest
         new AuthConfig(),
         null
     );
-    Response response = 
DataSourcesResource.markDatasourceUnused("datasource1", payload);
+    Response response = 
dataSourcesResource.markDatasourceUnused("datasource1", payload);
     Assert.assertEquals(500, response.getStatus());
     Assert.assertNotNull(response.getEntity());
     EasyMock.verify(segmentManager, inventoryView, server);
@@ -1302,7 +1302,7 @@ public class DataSourcesResourceTest
   public void testMarkDatasourceUnusedNullPayload()
   {
     final MetadataSegmentManager segmentManager = 
EasyMock.createMock(MetadataSegmentManager.class);
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         segmentManager,
         null,
@@ -1313,7 +1313,7 @@ public class DataSourcesResourceTest
 
     final DataSourcesResource.MarkDatasourceSegmentsPayload payload = null;
 
-    Response response = 
DataSourcesResource.markDatasourceUnused("datasource1", payload);
+    Response response = 
dataSourcesResource.markDatasourceUnused("datasource1", payload);
     Assert.assertEquals(400, response.getStatus());
     Assert.assertNotNull(response.getEntity());
     Assert.assertEquals(
@@ -1326,7 +1326,7 @@ public class DataSourcesResourceTest
   public void testMarkDatasourceUnusedInvalidPayload()
   {
     final MetadataSegmentManager segmentManager = 
EasyMock.createMock(MetadataSegmentManager.class);
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         segmentManager,
         null,
@@ -1340,7 +1340,7 @@ public class DataSourcesResourceTest
         null
     );
 
-    Response response = 
DataSourcesResource.markDatasourceUnused("datasource1", payload);
+    Response response = 
dataSourcesResource.markDatasourceUnused("datasource1", payload);
     Assert.assertEquals(400, response.getStatus());
     Assert.assertNotNull(response.getEntity());
   }
@@ -1349,7 +1349,7 @@ public class DataSourcesResourceTest
   public void testMarkDatasourceUnusedInvalidPayloadBothArguments()
   {
     final MetadataSegmentManager segmentManager = 
EasyMock.createMock(MetadataSegmentManager.class);
-    DataSourcesResource DataSourcesResource = new DataSourcesResource(
+    DataSourcesResource dataSourcesResource = new DataSourcesResource(
         inventoryView,
         segmentManager,
         null,
@@ -1363,7 +1363,7 @@ public class DataSourcesResourceTest
         ImmutableSet.of()
     );
 
-    Response response = 
DataSourcesResource.markDatasourceUnused("datasource1", payload);
+    Response response = 
dataSourcesResource.markDatasourceUnused("datasource1", payload);
     Assert.assertEquals(400, response.getStatus());
     Assert.assertNotNull(response.getEntity());
   }


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