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Posted to commits@reef.apache.org by ch...@apache.org on 2015/07/28 07:15:59 UTC

[11/12] incubator-reef git commit: [REEF-513] Add FinalParameters to checkstyle

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-common/src/test/java/org/apache/reef/util/DeadlockInfoTest.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-common/src/test/java/org/apache/reef/util/DeadlockInfoTest.java b/lang/java/reef-common/src/test/java/org/apache/reef/util/DeadlockInfoTest.java
index dc017ed..d3b77e9 100644
--- a/lang/java/reef-common/src/test/java/org/apache/reef/util/DeadlockInfoTest.java
+++ b/lang/java/reef-common/src/test/java/org/apache/reef/util/DeadlockInfoTest.java
@@ -131,13 +131,13 @@ public final class DeadlockInfoTest {
   private static void barrierAwait(final CyclicBarrier barrier) {
     try {
       barrier.await(TIMEOUT_MILLIS, TimeUnit.MILLISECONDS);
-    } catch (InterruptedException e) {
+    } catch (final InterruptedException e) {
       e.printStackTrace();
       fail("Unexpected exception");
-    } catch (BrokenBarrierException e) {
+    } catch (final BrokenBarrierException e) {
       e.printStackTrace();
       fail("Unexpected exception");
-    } catch (TimeoutException e) {
+    } catch (final TimeoutException e) {
       e.printStackTrace();
       fail("Unexpected exception");
     }
@@ -152,7 +152,7 @@ public final class DeadlockInfoTest {
   private static void threadSleep(final long millis) {
     try {
       Thread.sleep(millis);
-    } catch (InterruptedException e) {
+    } catch (final InterruptedException e) {
       e.printStackTrace();
     }
   }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples-clr/src/main/java/org/apache/reef/examples/helloCLR/HelloCLR.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples-clr/src/main/java/org/apache/reef/examples/helloCLR/HelloCLR.java b/lang/java/reef-examples-clr/src/main/java/org/apache/reef/examples/helloCLR/HelloCLR.java
index 953ae53..d97b44a 100644
--- a/lang/java/reef-examples-clr/src/main/java/org/apache/reef/examples/helloCLR/HelloCLR.java
+++ b/lang/java/reef-examples-clr/src/main/java/org/apache/reef/examples/helloCLR/HelloCLR.java
@@ -66,7 +66,7 @@ public final class HelloCLR {
   public static LauncherStatus runHelloCLR(final Configuration runtimeConf, final int timeOut, final File clrFolder)
       throws BindException, InjectionException {
 
-    ConfigurationModule driverConf =
+    final ConfigurationModule driverConf =
         addAll(DriverConfiguration.CONF, DriverConfiguration.GLOBAL_FILES, clrFolder)
             .set(DriverConfiguration.GLOBAL_LIBRARIES, EnvironmentUtils.getClassLocation(HelloDriver.class))
             .set(DriverConfiguration.DRIVER_IDENTIFIER, "HelloCLR")

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/bgd/loss/SquaredErrorLossFunction.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/bgd/loss/SquaredErrorLossFunction.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/bgd/loss/SquaredErrorLossFunction.java
index 05f601b..443b71e 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/bgd/loss/SquaredErrorLossFunction.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/bgd/loss/SquaredErrorLossFunction.java
@@ -33,12 +33,12 @@ public class SquaredErrorLossFunction implements LossFunction {
   }
 
   @Override
-  public double computeLoss(double y, double f) {
+  public double computeLoss(final double y, final double f) {
     return Math.pow(y - f, 2.0);
   }
 
   @Override
-  public double computeGradient(double y, double f) {
+  public double computeGradient(final double y, final double f) {
     return (f - y) * 0.5;
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/bgd/loss/WeightedLogisticLossFunction.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/bgd/loss/WeightedLogisticLossFunction.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/bgd/loss/WeightedLogisticLossFunction.java
index 1766441..5cb65f4 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/bgd/loss/WeightedLogisticLossFunction.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/bgd/loss/WeightedLogisticLossFunction.java
@@ -38,7 +38,7 @@ public final class WeightedLogisticLossFunction implements LossFunction {
   }
 
   @Override
-  public double computeLoss(double y, double f) {
+  public double computeLoss(final double y, final double f) {
 
     final double predictedTimesLabel = y * f;
     final double weight = y == -1 ? this.negWeight : this.posWeight;
@@ -51,7 +51,7 @@ public final class WeightedLogisticLossFunction implements LossFunction {
   }
 
   @Override
-  public double computeGradient(double y, double f) {
+  public double computeGradient(final double y, final double f) {
 
     final double predictedTimesLabel = y * f;
     final double weight = y == -1 ? this.negWeight : this.posWeight;

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/utils/math/VectorCodec.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/utils/math/VectorCodec.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/utils/math/VectorCodec.java
index 92ec713..b44ed75 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/utils/math/VectorCodec.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/utils/math/VectorCodec.java
@@ -38,31 +38,31 @@ public class VectorCodec implements Codec<Vector> {
   }
 
   @Override
-  public Vector decode(byte[] data) {
-    ByteArrayInputStream bais = new ByteArrayInputStream(data);
-    Vector result;
+  public Vector decode(final byte[] data) {
+    final ByteArrayInputStream bais = new ByteArrayInputStream(data);
+    final Vector result;
     try (DataInputStream dais = new DataInputStream(bais)) {
-      int size = dais.readInt();
+      final int size = dais.readInt();
       result = new DenseVector(size);
       for (int i = 0; i < size; i++) {
         result.set(i, dais.readDouble());
       }
-    } catch (IOException e) {
+    } catch (final IOException e) {
       throw new RuntimeException(e.getCause());
     }
     return result;
   }
 
   @Override
-  public byte[] encode(Vector vec) {
-    ByteArrayOutputStream baos = new ByteArrayOutputStream(vec.size()
+  public byte[] encode(final Vector vec) {
+    final ByteArrayOutputStream baos = new ByteArrayOutputStream(vec.size()
         * (Double.SIZE / Byte.SIZE));
     try (DataOutputStream daos = new DataOutputStream(baos)) {
       daos.writeInt(vec.size());
       for (int i = 0; i < vec.size(); i++) {
         daos.writeDouble(vec.get(i));
       }
-    } catch (IOException e) {
+    } catch (final IOException e) {
       throw new RuntimeException(e.getCause());
     }
     return baos.toByteArray();

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/utils/math/Window.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/utils/math/Window.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/utils/math/Window.java
index bd02439..e170ada 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/utils/math/Window.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/group/utils/math/Window.java
@@ -29,12 +29,12 @@ public class Window {
   private final int maxSize;
   private final List<Double> list;
 
-  public Window(int size) {
+  public Window(final int size) {
     this.maxSize = size;
     list = new ArrayList<>(size);
   }
 
-  public void add(double d) {
+  public void add(final double d) {
     if (list.size() < maxSize) {
       list.add(d);
       return;
@@ -48,25 +48,26 @@ public class Window {
       return 0;
     }
     double retVal = 0;
-    for (double d : list) {
+    for (final double d : list) {
       retVal += d;
     }
     return retVal / list.size();
   }
 
-  public double avgIfAdded(double d) {
+  public double avgIfAdded(final double in) {
+    double d = in;
     if (list.isEmpty()) {
       return d;
     }
-    int start = (list.size() < maxSize) ? 0 : 1;
-    int numElems = (list.size() < maxSize) ? list.size() + 1 : maxSize;
+    final int start = (list.size() < maxSize) ? 0 : 1;
+    final int numElems = (list.size() < maxSize) ? list.size() + 1 : maxSize;
     for (int i = start; i < list.size(); i++) {
       d += list.get(i);
     }
     return d / numElems;
   }
 
-  public static void main(String[] args) {
+  public static void main(final String[] args) {
     final Logger log = Logger.getLogger(Window.class.getName());
     final Window w = new Window(3);
     for (int i = 1; i < 10; i++) {

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/hello/HelloReefYarnTcp.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/hello/HelloReefYarnTcp.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/hello/HelloReefYarnTcp.java
index 1fa9d2e..2003131 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/hello/HelloReefYarnTcp.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/hello/HelloReefYarnTcp.java
@@ -61,9 +61,9 @@ public final class HelloReefYarnTcp {
   }
 
   private static Configuration getRuntimeConfiguration(
-      int tcpBeginPort,
-      int tcpRangeCount,
-      int tcpTryCount) {
+      final int tcpBeginPort,
+      final int tcpRangeCount,
+      final int tcpTryCount) {
 
     return Tang.Factory.getTang().newConfigurationBuilder(YarnClientConfiguration.CONF.build())
         .bindSetEntry(DriverConfigurationProviders.class, TcpPortConfigurationProvider.class)

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/hellohttp/HttpServerShellCmdtHandler.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/hellohttp/HttpServerShellCmdtHandler.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/hellohttp/HttpServerShellCmdtHandler.java
index 041b447..891aa66 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/hellohttp/HttpServerShellCmdtHandler.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/hellohttp/HttpServerShellCmdtHandler.java
@@ -139,7 +139,7 @@ class HttpServerShellCmdtHandler implements HttpHandler {
    *
    * @param message
    */
-  public final synchronized void onHttpCallback(byte[] message) {
+  public final synchronized void onHttpCallback(final byte[] message) {
     final long endTime = System.currentTimeMillis() + WAIT_TIMEOUT;
     while (cmdOutput != null) {
       final long waitTime = endTime - System.currentTimeMillis();

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/library/ShellTask.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/library/ShellTask.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/library/ShellTask.java
index 74fba56..77fa5ca 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/library/ShellTask.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/library/ShellTask.java
@@ -66,7 +66,7 @@ public final class ShellTask implements Task {
    */
   @Override
   public byte[] call(final byte[] memento) {
-    String result = CommandUtils.runCommand(this.command);
+    final String result = CommandUtils.runCommand(this.command);
     LOG.log(Level.INFO, result);
     return CODEC.encode(result);
   }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/Scheduler.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/Scheduler.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/Scheduler.java
index 6d86af6..4677c08 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/Scheduler.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/Scheduler.java
@@ -187,7 +187,7 @@ final class Scheduler {
   /**
    * Add a task to the queue.
    */
-  public synchronized void addTask(TaskEntity task) {
+  public synchronized void addTask(final TaskEntity task) {
     taskQueue.add(task);
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerDriver.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerDriver.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerDriver.java
index 23b091b..0b956de 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerDriver.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerDriver.java
@@ -77,7 +77,7 @@ public final class SchedulerDriver {
 
   @Inject
   public SchedulerDriver(final EvaluatorRequestor requestor,
-                         @Parameter(SchedulerREEF.Retain.class) boolean retainable,
+                         @Parameter(SchedulerREEF.Retain.class) final boolean retainable,
                          final Scheduler scheduler) {
     this.requestor = requestor;
     this.scheduler = scheduler;
@@ -127,7 +127,7 @@ public final class SchedulerDriver {
    */
   final class ActiveContextHandler implements EventHandler<ActiveContext> {
     @Override
-    public void onNext(ActiveContext context) {
+    public void onNext(final ActiveContext context) {
       synchronized (SchedulerDriver.this) {
         LOG.log(Level.INFO, "Context available : {0}", context.getId());
 
@@ -187,7 +187,7 @@ public final class SchedulerDriver {
   /**
    * Get the status of a task.
    */
-  public SchedulerResponse getTaskStatus(List<String> args) {
+  public SchedulerResponse getTaskStatus(final List<String> args) {
     if (args.size() != 1) {
       return SchedulerResponse.badRequest("Usage : only one ID at a time");
     }
@@ -295,7 +295,7 @@ public final class SchedulerDriver {
         // Wait until any command enters in the queue
         try {
           SchedulerDriver.this.wait();
-        } catch (InterruptedException e) {
+        } catch (final InterruptedException e) {
           LOG.log(Level.WARNING, "InterruptedException occurred in SchedulerDriver", e);
         }
       }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerHttpHandler.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerHttpHandler.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerHttpHandler.java
index c127b55..1a92861 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerHttpHandler.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerHttpHandler.java
@@ -48,7 +48,7 @@ final class SchedulerHttpHandler implements HttpHandler {
   }
 
   @Override
-  public void setUriSpecification(String s) {
+  public void setUriSpecification(final String s) {
     uriSpecification = s;
   }
 
@@ -65,7 +65,7 @@ final class SchedulerHttpHandler implements HttpHandler {
    *   /clear               to clear the waiting queue
    */
   @Override
-  public void onHttpRequest(ParsedHttpRequest request, HttpServletResponse response)
+  public void onHttpRequest(final ParsedHttpRequest request, final HttpServletResponse response)
     throws IOException, ServletException {
     final String target = request.getTargetEntity().toLowerCase();
     final Map<String, List<String>> queryMap = request.getQueryMap();

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerREEF.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerREEF.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerREEF.java
index c0197f3..33bb388 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerREEF.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerREEF.java
@@ -104,7 +104,7 @@ public final class SchedulerREEF {
    * @param args
    * @throws InjectionException
    */
-  public static void main(String[] args) throws InjectionException, IOException, ParseException {
+  public static void main(final String[] args) throws InjectionException, IOException, ParseException {
     final Configuration runtimeConfiguration = LocalRuntimeConfiguration.CONF
         .set(LocalRuntimeConfiguration.MAX_NUMBER_OF_EVALUATORS, MAX_NUMBER_OF_EVALUATORS)
         .build();

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerREEFYarn.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerREEFYarn.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerREEFYarn.java
index b14ad56..7911f45 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerREEFYarn.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/SchedulerREEFYarn.java
@@ -37,7 +37,7 @@ public final class SchedulerREEFYarn {
    * @throws InjectionException
    * @throws java.io.IOException
    */
-  public static void main(String[] args)
+  public static void main(final String[] args)
     throws InjectionException, IOException, ParseException {
     final Configuration runtimeConfiguration =
         YarnClientConfiguration.CONF.build();

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/TaskEntity.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/TaskEntity.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/TaskEntity.java
index 42456f4..a31cdeb 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/TaskEntity.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/scheduler/TaskEntity.java
@@ -44,7 +44,7 @@ final class TaskEntity {
   }
 
   @Override
-  public boolean equals(Object o) {
+  public boolean equals(final Object o) {
     if (this == o) {
       return true;
     }
@@ -52,7 +52,7 @@ final class TaskEntity {
       return false;
     }
 
-    TaskEntity that = (TaskEntity) o;
+    final TaskEntity that = (TaskEntity) o;
 
     if (taskId != that.taskId) {
       return false;

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/suspend/ObjectWritableCodec.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/suspend/ObjectWritableCodec.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/suspend/ObjectWritableCodec.java
index 534ca06..0c5f657 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/suspend/ObjectWritableCodec.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/suspend/ObjectWritableCodec.java
@@ -60,7 +60,7 @@ public class ObjectWritableCodec<T extends Writable> implements Codec<T> {
    * @throws RemoteRuntimeException if serialization fails.
    */
   @Override
-  public byte[] encode(T writable) {
+  public byte[] encode(final T writable) {
     try (final ByteArrayOutputStream bos = new ByteArrayOutputStream();
          final DataOutputStream dos = new DataOutputStream(bos)) {
       writable.write(dos);
@@ -79,7 +79,7 @@ public class ObjectWritableCodec<T extends Writable> implements Codec<T> {
    * @throws RemoteRuntimeException if deserialization fails.
    */
   @Override
-  public T decode(byte[] buffer) {
+  public T decode(final byte[] buffer) {
     try (final ByteArrayInputStream bis = new ByteArrayInputStream(buffer);
          final DataInputStream dis = new DataInputStream(bis)) {
       final T writable = this.writableClass.newInstance();

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/suspend/SuspendTestTask.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/suspend/SuspendTestTask.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/suspend/SuspendTestTask.java
index 408c171..61120c4 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/suspend/SuspendTestTask.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/suspend/SuspendTestTask.java
@@ -167,7 +167,7 @@ public class SuspendTestTask implements Task, TaskMessageSource {
   public class SuspendHandler implements EventHandler<SuspendEvent> {
 
     @Override
-    public void onNext(SuspendEvent suspendEvent) {
+    public void onNext(final SuspendEvent suspendEvent) {
       final byte[] message = suspendEvent.get().get();
       LOG.log(Level.INFO, "Suspend: {0} with: {1} bytes; counter: {2}",
           new Object[]{this, message.length, SuspendTestTask.this.counter});

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-examples/src/main/java/org/apache/reef/examples/utils/wake/LoggingEventHandler.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/utils/wake/LoggingEventHandler.java b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/utils/wake/LoggingEventHandler.java
index 690dfb2..6cb52ca 100644
--- a/lang/java/reef-examples/src/main/java/org/apache/reef/examples/utils/wake/LoggingEventHandler.java
+++ b/lang/java/reef-examples/src/main/java/org/apache/reef/examples/utils/wake/LoggingEventHandler.java
@@ -40,7 +40,7 @@ public class LoggingEventHandler<T> implements EventHandler<T> {
    * @param downstreamEventHandler the event handler to hand the event to
    * @param format                 Format string to log the event, e.g. "Event {0} received".
    */
-  public LoggingEventHandler(EventHandler<T> downstreamEventHandler, final String format) {
+  public LoggingEventHandler(final EventHandler<T> downstreamEventHandler, final String format) {
     this.downstreamEventHandler = downstreamEventHandler;
     this.format = format;
   }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/InMemoryInputFormatDataSet.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/InMemoryInputFormatDataSet.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/InMemoryInputFormatDataSet.java
index 9c58d56..aa1af48 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/InMemoryInputFormatDataSet.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/InMemoryInputFormatDataSet.java
@@ -35,7 +35,7 @@ public class InMemoryInputFormatDataSet<K extends WritableComparable<K>, V exten
   private List<Pair<K, V>> recordsList = null;
 
   @Inject
-  public InMemoryInputFormatDataSet(InputFormatDataSet<K, V> inputFormatDataSet) {
+  public InMemoryInputFormatDataSet(final InputFormatDataSet<K, V> inputFormatDataSet) {
     this.inputFormatDataSet = inputFormatDataSet;
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/MultiDataCenterEvaluatorToPartitionStrategy.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/MultiDataCenterEvaluatorToPartitionStrategy.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/MultiDataCenterEvaluatorToPartitionStrategy.java
index 31bda53..9a17626 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/MultiDataCenterEvaluatorToPartitionStrategy.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/MultiDataCenterEvaluatorToPartitionStrategy.java
@@ -134,19 +134,20 @@ public final class MultiDataCenterEvaluatorToPartitionStrategy extends AbstractE
     concurrentMap.get(location).add(numberedSplit);
   }
 
-  private String normalize(String location) {
+  private String normalize(final String location) {
+    String loc = location;
     // should start with a separator
-    if (!location.startsWith(PATH_SEPARATOR)) {
-      location = PATH_SEPARATOR + location;
+    if (!loc.startsWith(PATH_SEPARATOR)) {
+      loc = PATH_SEPARATOR + loc;
     }
     // if it is just /*, return /
-    if (location.equals(PATH_SEPARATOR + ANY)) {
+    if (loc.equals(PATH_SEPARATOR + ANY)) {
       return PATH_SEPARATOR;
     }
     // remove the ending ANY or path separator
-    while (location.endsWith(ANY) || location.endsWith(PATH_SEPARATOR)) {
-      location = location.substring(0, location.length() - 1);
+    while (loc.endsWith(ANY) || loc.endsWith(PATH_SEPARATOR)) {
+      loc = loc.substring(0, loc.length() - 1);
     }
-    return location;
+    return loc;
   }
 }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/WritableSerializer.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/WritableSerializer.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/WritableSerializer.java
index d50fbf3..6021d45 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/WritableSerializer.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/data/loading/impl/WritableSerializer.java
@@ -36,17 +36,17 @@ import java.io.*;
  * to passed in while de-serialization
  */
 public final class WritableSerializer {
-  public static <E extends Writable> String serialize(E writable) {
+  public static <E extends Writable> String serialize(final E writable) {
     final WritableCodec<E> writableCodec = new WritableCodec<>();
     return Base64.encodeBase64String(writableCodec.encode(writable));
   }
 
-  public static <E extends Writable> E deserialize(String serializedWritable) {
+  public static <E extends Writable> E deserialize(final String serializedWritable) {
     final WritableCodec<E> writableCodec = new WritableCodec<>();
     return writableCodec.decode(Base64.decodeBase64(serializedWritable));
   }
 
-  public static <E extends Writable> E deserialize(String serializedWritable, JobConf jobConf) {
+  public static <E extends Writable> E deserialize(final String serializedWritable, final JobConf jobConf) {
     final WritableCodec<E> writableCodec = new WritableCodec<>(jobConf);
     return writableCodec.decode(Base64.decodeBase64(serializedWritable));
   }
@@ -54,7 +54,7 @@ public final class WritableSerializer {
   static class WritableCodec<E extends Writable> implements Codec<E> {
     private final JobConf jobConf;
 
-    public WritableCodec(JobConf jobConf) {
+    public WritableCodec(final JobConf jobConf) {
       this.jobConf = jobConf;
     }
 
@@ -63,28 +63,28 @@ public final class WritableSerializer {
     }
 
     @Override
-    public E decode(byte[] bytes) {
+    public E decode(final byte[] bytes) {
       final ByteArrayInputStream bais = new ByteArrayInputStream(bytes);
       try (DataInputStream dais = new DataInputStream(bais)) {
         final String className = dais.readUTF();
-        E writable = (E) ReflectionUtils.newInstance(Class.forName(className), jobConf);
+        final E writable = (E) ReflectionUtils.newInstance(Class.forName(className), jobConf);
         writable.readFields(dais);
         return writable;
-      } catch (IOException e) {
+      } catch (final IOException e) {
         throw new RuntimeException("Could not de-serialize JobConf", e);
-      } catch (ClassNotFoundException e) {
+      } catch (final ClassNotFoundException e) {
         throw new RuntimeException("Could not instantiate specific writable class", e);
       }
     }
 
     @Override
-    public byte[] encode(E writable) {
+    public byte[] encode(final E writable) {
       final ByteArrayOutputStream baos = new ByteArrayOutputStream();
       try (final DataOutputStream daos = new DataOutputStream(baos)) {
         daos.writeUTF(writable.getClass().getName());
         writable.write(daos);
         return baos.toByteArray();
-      } catch (IOException e) {
+      } catch (final IOException e) {
         throw new RuntimeException("Could not serialize JobConf", e);
       }
     }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/NetworkConnectionService.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/NetworkConnectionService.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/NetworkConnectionService.java
index 472e619..a7b6c10 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/NetworkConnectionService.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/NetworkConnectionService.java
@@ -47,7 +47,8 @@ import org.apache.reef.wake.remote.transport.LinkListener;
  * to the corresponding EventHandler registered in the ConnectionFactory.
  */
 @DefaultImplementation(NetworkConnectionServiceImpl.class)
-public interface NetworkConnectionService extends AutoCloseable {
+public interface
+    NetworkConnectionService extends AutoCloseable {
 
   /**
    * Registers an instance of ConnectionFactory corresponding to the connectionFactoryId.

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/exception/NetworkRuntimeException.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/exception/NetworkRuntimeException.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/exception/NetworkRuntimeException.java
index 8ebc7af..c52d088 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/exception/NetworkRuntimeException.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/exception/NetworkRuntimeException.java
@@ -30,7 +30,7 @@ public class NetworkRuntimeException extends RuntimeException {
    * @param s the detailed message
    * @param e the cause
    */
-  public NetworkRuntimeException(String s, Throwable e) {
+  public NetworkRuntimeException(final String s, final Throwable e) {
     super(s, e);
   }
 
@@ -39,7 +39,7 @@ public class NetworkRuntimeException extends RuntimeException {
    *
    * @param s the detailed message
    */
-  public NetworkRuntimeException(String s) {
+  public NetworkRuntimeException(final String s) {
     super(s);
   }
 
@@ -48,7 +48,7 @@ public class NetworkRuntimeException extends RuntimeException {
    *
    * @param e the cause
    */
-  public NetworkRuntimeException(Throwable e) {
+  public NetworkRuntimeException(final Throwable e) {
     super(e);
   }
 }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/driver/GroupCommDriverImpl.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/driver/GroupCommDriverImpl.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/driver/GroupCommDriverImpl.java
index 3e08b07..f87b96ee 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/driver/GroupCommDriverImpl.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/driver/GroupCommDriverImpl.java
@@ -186,7 +186,7 @@ public class GroupCommDriverImpl implements GroupCommServiceDriver {
     NameResolver nameResolver = null;
     try {
       nameResolver = injector.getInstance(NameResolver.class);
-    } catch (InjectionException e) {
+    } catch (final InjectionException e) {
       throw new RuntimeException(e);
     }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/operators/BroadcastReceiver.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/operators/BroadcastReceiver.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/operators/BroadcastReceiver.java
index a8f2237..74e9a83 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/operators/BroadcastReceiver.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/operators/BroadcastReceiver.java
@@ -133,7 +133,7 @@ public class BroadcastReceiver<T> implements Broadcast.Receiver<T>, EventHandler
     final T retVal;
     // Wait for parent to send
     LOG.fine(this + " Waiting to receive broadcast");
-    byte[] data;
+    final byte[] data;
     try {
       data = topology.recvFromParent();
       // TODO: Should receive the identity element instead of null

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/task/NodeStructImpl.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/task/NodeStructImpl.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/task/NodeStructImpl.java
index 87ea9c5..7be3165 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/task/NodeStructImpl.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/task/NodeStructImpl.java
@@ -66,7 +66,7 @@ public abstract class NodeStructImpl implements NodeStruct {
   @Override
   public byte[] getData() {
     LOG.entering("NodeStructImpl", "getData");
-    GroupCommunicationMessage gcm;
+    final GroupCommunicationMessage gcm;
     try {
       gcm = dataQue.take();
     } catch (final InterruptedException e) {

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/task/OperatorTopologyStructImpl.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/task/OperatorTopologyStructImpl.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/task/OperatorTopologyStructImpl.java
index fb8abac..2ef12b2 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/task/OperatorTopologyStructImpl.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/group/impl/task/OperatorTopologyStructImpl.java
@@ -295,7 +295,7 @@ public class OperatorTopologyStructImpl implements OperatorTopologyStruct {
 
     while (!childrenToRcvFrom.isEmpty()) {
       LOG.finest(getQualifiedName() + "Waiting for some child to send data");
-      NodeStruct child;
+      final NodeStruct child;
       try {
         child = nodesWithData.take();
       } catch (final InterruptedException e) {

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NSConnection.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NSConnection.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NSConnection.java
index 4bfd0b7..efe5f0c 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NSConnection.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NSConnection.java
@@ -106,7 +106,7 @@ class NSConnection<T> implements Connection<T> {
   }
 
   @Override
-  public void write(List<T> messages) {
+  public void write(final List<T> messages) {
     this.link.write(new NSMessage<T>(this.srcId, this.destId, messages));
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NSMessageCodec.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NSMessageCodec.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NSMessageCodec.java
index 5a9c43e..fe3aa99 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NSMessageCodec.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NSMessageCodec.java
@@ -115,7 +115,7 @@ public class NSMessageCodec<T> implements Codec<NSMessage<T>> {
         throw new RuntimeException("IOException", e);
       }
     } else {
-      NSMessagePBuf pbuf;
+      final NSMessagePBuf pbuf;
       try {
         pbuf = NSMessagePBuf.parseFrom(buf);
       } catch (final InvalidProtocolBufferException e) {

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnection.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnection.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnection.java
index d2175e7..1dd775d 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnection.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnection.java
@@ -80,7 +80,7 @@ final class NetworkConnection<T> implements Connection<T> {
 
   @Override
   public String toString() {
-    StringBuilder sb = new StringBuilder();
+    final StringBuilder sb = new StringBuilder();
     sb.append("Connection from")
         .append(connFactory.getSrcId())
         .append(":")

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnectionServiceImpl.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnectionServiceImpl.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnectionServiceImpl.java
index f5e1f83..f24177a 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnectionServiceImpl.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnectionServiceImpl.java
@@ -143,7 +143,7 @@ public final class NetworkConnectionServiceImpl implements NetworkConnectionServ
                                             final Codec<T> codec,
                                             final EventHandler<Message<T>> eventHandler,
                                             final LinkListener<Message<T>> linkListener) throws NetworkException {
-    String id = connFactoryId.toString();
+    final String id = connFactoryId.toString();
     if (connFactoryMap.get(id) != null) {
       throw new NetworkException("ConnectionFactory " + connFactoryId + " was already registered.");
     }
@@ -197,7 +197,7 @@ public final class NetworkConnectionServiceImpl implements NetworkConnectionServ
         throw new NetworkException("Lookup " + destId + " is null");
       }
       return transport.open(address, nsCodec, nsLinkListener);
-    } catch(Exception e) {
+    } catch(final Exception e) {
       e.printStackTrace();
       throw new NetworkException(e);
     }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnectionServiceMessage.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnectionServiceMessage.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnectionServiceMessage.java
index 9ce10c1..910c1e0 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnectionServiceMessage.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkConnectionServiceMessage.java
@@ -101,12 +101,12 @@ final class NetworkConnectionServiceMessage<T> implements Message<T> {
    * @return a string representation of this object
    */
   public String toString() {
-    StringBuilder builder = new StringBuilder();
+    final StringBuilder builder = new StringBuilder();
     builder.append("NSMessage");
     builder.append(" remoteID=");
     builder.append(destId);
     builder.append(" message=[| ");
-    for (T message : messages) {
+    for (final T message : messages) {
       builder.append(message + " |");
     }
     builder.append("]");

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkService.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkService.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkService.java
index 9b91aa8..c2ff93c 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkService.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkService.java
@@ -225,7 +225,7 @@ public final class NetworkService<T> implements Stage, ConnectionFactory<T> {
     this.nameServiceRegisteringStage.onNext(tuple);
   }
 
-  public void unregisterId(Identifier id) {
+  public void unregisterId(final Identifier id) {
     this.myId = null;
     LOG.log(Level.FINEST, "Unbinding {0} to NetworkService@({1})",
         new Object[]{id, this.transport.getLocalAddress()});

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkServiceClosingHandler.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkServiceClosingHandler.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkServiceClosingHandler.java
index e73ec3b..01bacd5 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkServiceClosingHandler.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/impl/NetworkServiceClosingHandler.java
@@ -32,10 +32,10 @@ public class NetworkServiceClosingHandler implements EventHandler<ContextStop> {
   }
 
   @Override
-  public void onNext(ContextStop arg0) {
+  public void onNext(final ContextStop arg0) {
     try {
       networkService.close();
-    } catch (Exception e) {
+    } catch (final Exception e) {
       throw new RuntimeException("Exception while closing NetworkService", e);
     }
   }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameAssignmentTuple.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameAssignmentTuple.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameAssignmentTuple.java
index d08e72a..83b3724 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameAssignmentTuple.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameAssignmentTuple.java
@@ -37,7 +37,7 @@ public class NameAssignmentTuple implements NameAssignment {
    * @param id   an identifier
    * @param addr an Internet socket address
    */
-  public NameAssignmentTuple(Identifier id, InetSocketAddress addr) {
+  public NameAssignmentTuple(final Identifier id, final InetSocketAddress addr) {
     this.id = id;
     this.addr = addr;
   }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameCache.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameCache.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameCache.java
index 52e7015..d6fbb3c 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameCache.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameCache.java
@@ -39,7 +39,7 @@ public class NameCache implements Cache<Identifier, InetSocketAddress> {
    *
    * @param timeout a cache entry timeout after write
    */
-  public NameCache(long timeout) {
+  public NameCache(final long timeout) {
     cache = new CacheImpl<>(new SystemTime(), timeout);
   }
 
@@ -52,8 +52,8 @@ public class NameCache implements Cache<Identifier, InetSocketAddress> {
    * @throws ExecutionException
    */
   @Override
-  public InetSocketAddress get(Identifier key,
-                               Callable<InetSocketAddress> valueFetcher) throws ExecutionException {
+  public InetSocketAddress get(final Identifier key,
+                               final Callable<InetSocketAddress> valueFetcher) throws ExecutionException {
     return cache.get(key, valueFetcher);
   }
 
@@ -63,7 +63,7 @@ public class NameCache implements Cache<Identifier, InetSocketAddress> {
    * @param key an identifier
    */
   @Override
-  public void invalidate(Identifier key) {
+  public void invalidate(final Identifier key) {
     cache.invalidate(key);
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameClient.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameClient.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameClient.java
index ecfba79..6cc8581 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameClient.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameClient.java
@@ -173,7 +173,7 @@ public final class NameClient implements NameResolver {
       final LocalAddressProvider localAddressProvider,
       final TransportFactory tpFactory) {
 
-    NameCache cache = new NameCache(timeout);
+    final NameCache cache = new NameCache(timeout);
     final BlockingQueue<NamingLookupResponse> replyLookupQueue = new LinkedBlockingQueue<NamingLookupResponse>();
     final BlockingQueue<NamingRegisterResponse> replyRegisterQueue = new LinkedBlockingQueue<NamingRegisterResponse>();
     final Codec<NamingMessage> codec = NamingCodecFactory.createFullCodec(factory);
@@ -286,14 +286,14 @@ class NamingResponseHandler implements EventHandler<NamingMessage> {
   private final BlockingQueue<NamingLookupResponse> replyLookupQueue;
   private final BlockingQueue<NamingRegisterResponse> replyRegisterQueue;
 
-  NamingResponseHandler(BlockingQueue<NamingLookupResponse> replyLookupQueue,
-                        BlockingQueue<NamingRegisterResponse> replyRegisterQueue) {
+  NamingResponseHandler(final BlockingQueue<NamingLookupResponse> replyLookupQueue,
+                        final BlockingQueue<NamingRegisterResponse> replyRegisterQueue) {
     this.replyLookupQueue = replyLookupQueue;
     this.replyRegisterQueue = replyRegisterQueue;
   }
 
   @Override
-  public void onNext(NamingMessage value) {
+  public void onNext(final NamingMessage value) {
     if (value instanceof NamingLookupResponse) {
       replyLookupQueue.offer((NamingLookupResponse) value);
     } else if (value instanceof NamingRegisterResponse) {

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameRegistryClient.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameRegistryClient.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameRegistryClient.java
index 6270722..766a06c 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameRegistryClient.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameRegistryClient.java
@@ -96,14 +96,14 @@ public class NameRegistryClient implements Stage, NamingRegistry {
     this.codec = NamingCodecFactory.createRegistryCodec(factory);
     this.replyQueue = new LinkedBlockingQueue<>();
 
-    Injector injector = Tang.Factory.getTang().newInjector();
+    final Injector injector = Tang.Factory.getTang().newInjector();
     injector.bindVolatileParameter(RemoteConfiguration.HostAddress.class, localAddressProvider.getLocalAddress());
     injector.bindVolatileParameter(RemoteConfiguration.RemoteClientStage.class,
         new SyncStage<>(new NamingRegistryClientHandler(new NamingRegistryResponseHandler(replyQueue), codec)));
 
     try {
       this.transport = injector.getInstance(NettyMessagingTransport.class);
-    } catch (InjectionException e) {
+    } catch (final InjectionException e) {
       throw new RuntimeException(e);
     }
   }
@@ -170,8 +170,8 @@ public class NameRegistryClient implements Stage, NamingRegistry {
    * @param id an identifier
    */
   @Override
-  public void unregister(Identifier id) throws IOException {
-    Link<NamingMessage> link = transport.open(serverSocketAddr, codec,
+  public void unregister(final Identifier id) throws IOException {
+    final Link<NamingMessage> link = transport.open(serverSocketAddr, codec,
         new LoggingLinkListener<NamingMessage>());
     link.write(new NamingUnregisterRequest(id));
   }
@@ -195,13 +195,13 @@ class NamingRegistryClientHandler implements EventHandler<TransportEvent> {
   private final EventHandler<NamingRegisterResponse> handler;
   private final Codec<NamingMessage> codec;
 
-  NamingRegistryClientHandler(EventHandler<NamingRegisterResponse> handler, Codec<NamingMessage> codec) {
+  NamingRegistryClientHandler(final EventHandler<NamingRegisterResponse> handler, final Codec<NamingMessage> codec) {
     this.handler = handler;
     this.codec = codec;
   }
 
   @Override
-  public void onNext(TransportEvent value) {
+  public void onNext(final TransportEvent value) {
     LOG.log(Level.FINE, value.toString());
     handler.onNext((NamingRegisterResponse) codec.decode(value.getData()));
   }
@@ -214,12 +214,12 @@ class NamingRegistryResponseHandler implements EventHandler<NamingRegisterRespon
 
   private final BlockingQueue<NamingRegisterResponse> replyQueue;
 
-  NamingRegistryResponseHandler(BlockingQueue<NamingRegisterResponse> replyQueue) {
+  NamingRegistryResponseHandler(final BlockingQueue<NamingRegisterResponse> replyQueue) {
     this.replyQueue = replyQueue;
   }
 
   @Override
-  public void onNext(NamingRegisterResponse value) {
+  public void onNext(final NamingRegisterResponse value) {
     replyQueue.offer(value);
   }
 }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameServerImpl.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameServerImpl.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameServerImpl.java
index 8fc7cae..f283de2 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameServerImpl.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NameServerImpl.java
@@ -74,7 +74,7 @@ public final class NameServerImpl implements NameServer {
       @Parameter(NameServerParameters.NameServerIdentifierFactory.class) final IdentifierFactory factory,
       final LocalAddressProvider localAddressProvider) {
 
-    Injector injector = Tang.Factory.getTang().newInjector();
+    final Injector injector = Tang.Factory.getTang().newInjector();
 
     this.localAddressProvider = localAddressProvider;
     this.reefEventStateManager = null;
@@ -88,7 +88,7 @@ public final class NameServerImpl implements NameServer {
 
     try {
       this.transport = injector.getInstance(NettyMessagingTransport.class);
-    } catch (InjectionException e) {
+    } catch (final InjectionException e) {
       throw new RuntimeException(e);
     }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NamingCodecFactory.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NamingCodecFactory.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NamingCodecFactory.java
index 2fa0cc2..631b692 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NamingCodecFactory.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/NamingCodecFactory.java
@@ -37,12 +37,12 @@ final class NamingCodecFactory {
    * @param factory an identifier factory
    * @return a codec
    */
-  static Codec<NamingMessage> createLookupCodec(IdentifierFactory factory) {
-    Map<Class<? extends NamingMessage>, Codec<? extends NamingMessage>> clazzToCodecMap
+  static Codec<NamingMessage> createLookupCodec(final IdentifierFactory factory) {
+    final Map<Class<? extends NamingMessage>, Codec<? extends NamingMessage>> clazzToCodecMap
         = new HashMap<Class<? extends NamingMessage>, Codec<? extends NamingMessage>>();
     clazzToCodecMap.put(NamingLookupRequest.class, new NamingLookupRequestCodec(factory));
     clazzToCodecMap.put(NamingLookupResponse.class, new NamingLookupResponseCodec(factory));
-    Codec<NamingMessage> codec = new MultiCodec<NamingMessage>(clazzToCodecMap);
+    final Codec<NamingMessage> codec = new MultiCodec<NamingMessage>(clazzToCodecMap);
     return codec;
   }
 
@@ -52,14 +52,14 @@ final class NamingCodecFactory {
    * @param factory an identifier factory
    * @return a codec
    */
-  static Codec<NamingMessage> createRegistryCodec(IdentifierFactory factory) {
-    Map<Class<? extends NamingMessage>, Codec<? extends NamingMessage>> clazzToCodecMap
+  static Codec<NamingMessage> createRegistryCodec(final IdentifierFactory factory) {
+    final Map<Class<? extends NamingMessage>, Codec<? extends NamingMessage>> clazzToCodecMap
         = new HashMap<Class<? extends NamingMessage>, Codec<? extends NamingMessage>>();
     clazzToCodecMap.put(NamingRegisterRequest.class, new NamingRegisterRequestCodec(factory));
     clazzToCodecMap.put(NamingRegisterResponse.class,
         new NamingRegisterResponseCodec(new NamingRegisterRequestCodec(factory)));
     clazzToCodecMap.put(NamingUnregisterRequest.class, new NamingUnregisterRequestCodec(factory));
-    Codec<NamingMessage> codec = new MultiCodec<NamingMessage>(clazzToCodecMap);
+    final Codec<NamingMessage> codec = new MultiCodec<NamingMessage>(clazzToCodecMap);
     return codec;
   }
 
@@ -69,8 +69,8 @@ final class NamingCodecFactory {
    * @param factory an identifier factory
    * @return a codec
    */
-  static Codec<NamingMessage> createFullCodec(IdentifierFactory factory) {
-    Map<Class<? extends NamingMessage>, Codec<? extends NamingMessage>> clazzToCodecMap
+  static Codec<NamingMessage> createFullCodec(final IdentifierFactory factory) {
+    final Map<Class<? extends NamingMessage>, Codec<? extends NamingMessage>> clazzToCodecMap
         = new HashMap<Class<? extends NamingMessage>, Codec<? extends NamingMessage>>();
     clazzToCodecMap.put(NamingLookupRequest.class, new NamingLookupRequestCodec(factory));
     clazzToCodecMap.put(NamingLookupResponse.class, new NamingLookupResponseCodec(factory));
@@ -78,7 +78,7 @@ final class NamingCodecFactory {
     clazzToCodecMap.put(NamingRegisterResponse.class,
         new NamingRegisterResponseCodec(new NamingRegisterRequestCodec(factory)));
     clazzToCodecMap.put(NamingUnregisterRequest.class, new NamingUnregisterRequestCodec(factory));
-    Codec<NamingMessage> codec = new MultiCodec<NamingMessage>(clazzToCodecMap);
+    final Codec<NamingMessage> codec = new MultiCodec<NamingMessage>(clazzToCodecMap);
     return codec;
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/exception/NamingException.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/exception/NamingException.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/exception/NamingException.java
index a64dbc0..f58f1d0 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/exception/NamingException.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/exception/NamingException.java
@@ -32,7 +32,7 @@ public class NamingException extends NetworkException {
    * @param s the detailed message
    * @param e the cause
    */
-  public NamingException(String s, Throwable e) {
+  public NamingException(final String s, final Throwable e) {
     super(s, e);
   }
 
@@ -41,7 +41,7 @@ public class NamingException extends NetworkException {
    *
    * @param s the detailed message
    */
-  public NamingException(String s) {
+  public NamingException(final String s) {
     super(s);
   }
 
@@ -50,7 +50,7 @@ public class NamingException extends NetworkException {
    *
    * @param e the cause
    */
-  public NamingException(Throwable e) {
+  public NamingException(final Throwable e) {
     super(e);
   }
 }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/exception/NamingRuntimeException.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/exception/NamingRuntimeException.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/exception/NamingRuntimeException.java
index 840df5f..383d05a 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/exception/NamingRuntimeException.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/exception/NamingRuntimeException.java
@@ -32,7 +32,7 @@ public class NamingRuntimeException extends NetworkRuntimeException {
    * @param s the detailed message
    * @param e the cause
    */
-  public NamingRuntimeException(String s, Throwable e) {
+  public NamingRuntimeException(final String s, final Throwable e) {
     super(s, e);
   }
 
@@ -41,7 +41,7 @@ public class NamingRuntimeException extends NetworkRuntimeException {
    *
    * @param s the detailed message
    */
-  public NamingRuntimeException(String s) {
+  public NamingRuntimeException(final String s) {
     super(s);
   }
 
@@ -50,7 +50,7 @@ public class NamingRuntimeException extends NetworkRuntimeException {
    *
    * @param e the cause
    */
-  public NamingRuntimeException(Throwable e) {
+  public NamingRuntimeException(final Throwable e) {
     super(e);
   }
 }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/AvroUtils.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/AvroUtils.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/AvroUtils.java
index ce9bcc5..4664057 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/AvroUtils.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/AvroUtils.java
@@ -41,7 +41,7 @@ final class AvroUtils {
    * @param <T>
    * @return
    */
-  static <T> byte[] toBytes(T avroObject, Class<T> theClass) {
+  static <T> byte[] toBytes(final T avroObject, final Class<T> theClass) {
     final DatumWriter<T> datumWriter = new SpecificDatumWriter<>(theClass);
     final byte[] theBytes;
     try (final ByteArrayOutputStream out = new ByteArrayOutputStream()) {

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupRequest.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupRequest.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupRequest.java
index d826a1b..ee80eb1 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupRequest.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupRequest.java
@@ -31,7 +31,7 @@ public class NamingLookupRequest extends NamingMessage {
    *
    * @param ids the iterable of identifiers
    */
-  public NamingLookupRequest(Iterable<Identifier> ids) {
+  public NamingLookupRequest(final Iterable<Identifier> ids) {
     this.ids = ids;
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupResponse.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupResponse.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupResponse.java
index 6855299..0d27a3d 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupResponse.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupResponse.java
@@ -33,7 +33,7 @@ public class NamingLookupResponse extends NamingMessage {
    *
    * @param nas the list of name assignments
    */
-  public NamingLookupResponse(List<NameAssignment> nas) {
+  public NamingLookupResponse(final List<NameAssignment> nas) {
     this.nas = nas;
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupResponseCodec.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupResponseCodec.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupResponseCodec.java
index a9787af..aa40d3a 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupResponseCodec.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingLookupResponseCodec.java
@@ -54,7 +54,7 @@ public final class NamingLookupResponseCodec implements Codec<NamingLookupRespon
    * @return a byte array
    */
   @Override
-  public byte[] encode(NamingLookupResponse obj) {
+  public byte[] encode(final NamingLookupResponse obj) {
     final List<AvroNamingAssignment> assignments = new ArrayList<>(obj.getNameAssignments().size());
     for (final NameAssignment nameAssignment : obj.getNameAssignments()) {
       assignments.add(AvroNamingAssignment.newBuilder()

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingMessage.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingMessage.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingMessage.java
index 2eb4425..e4afb4e 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingMessage.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingMessage.java
@@ -40,7 +40,7 @@ public abstract class NamingMessage {
    *
    * @param link the link
    */
-  public void setLink(Link<byte[]> link) {
+  public void setLink(final Link<byte[]> link) {
     this.link = link;
   }
 }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterRequest.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterRequest.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterRequest.java
index 443b349..a032536 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterRequest.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterRequest.java
@@ -31,7 +31,7 @@ public class NamingRegisterRequest extends NamingMessage {
    *
    * @param na the name assignment
    */
-  public NamingRegisterRequest(NameAssignment na) {
+  public NamingRegisterRequest(final NameAssignment na) {
     this.na = na;
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterRequestCodec.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterRequestCodec.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterRequestCodec.java
index 18a979f..011c16d 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterRequestCodec.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterRequestCodec.java
@@ -37,7 +37,7 @@ public class NamingRegisterRequestCodec implements Codec<NamingRegisterRequest>
    *
    * @param factory the identifier factory
    */
-  public NamingRegisterRequestCodec(IdentifierFactory factory) {
+  public NamingRegisterRequestCodec(final IdentifierFactory factory) {
     this.factory = factory;
   }
 
@@ -48,7 +48,7 @@ public class NamingRegisterRequestCodec implements Codec<NamingRegisterRequest>
    * @return a byte array
    */
   @Override
-  public byte[] encode(NamingRegisterRequest obj) {
+  public byte[] encode(final NamingRegisterRequest obj) {
     final AvroNamingRegisterRequest result = AvroNamingRegisterRequest.newBuilder()
         .setId(obj.getNameAssignment().getIdentifier().toString())
         .setHost(obj.getNameAssignment().getAddress().getHostName())
@@ -65,7 +65,7 @@ public class NamingRegisterRequestCodec implements Codec<NamingRegisterRequest>
    * @throws org.apache.reef.io.network.naming.exception.NamingRuntimeException
    */
   @Override
-  public NamingRegisterRequest decode(byte[] buf) {
+  public NamingRegisterRequest decode(final byte[] buf) {
     final AvroNamingRegisterRequest avroNamingRegisterRequest =
         AvroUtils.fromBytes(buf, AvroNamingRegisterRequest.class);
     return new NamingRegisterRequest(

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterResponse.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterResponse.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterResponse.java
index 4737d4d..e1c07ce 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterResponse.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterResponse.java
@@ -29,7 +29,7 @@ public class NamingRegisterResponse extends NamingMessage {
    *
    * @param request the naming register request
    */
-  public NamingRegisterResponse(NamingRegisterRequest request) {
+  public NamingRegisterResponse(final NamingRegisterRequest request) {
     this.request = request;
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterResponseCodec.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterResponseCodec.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterResponseCodec.java
index f71c75b..228a748 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterResponseCodec.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingRegisterResponseCodec.java
@@ -31,7 +31,7 @@ public class NamingRegisterResponseCodec implements Codec<NamingRegisterResponse
    *
    * @param codec the naming register request codec
    */
-  public NamingRegisterResponseCodec(NamingRegisterRequestCodec codec) {
+  public NamingRegisterResponseCodec(final NamingRegisterRequestCodec codec) {
     this.codec = codec;
   }
 
@@ -42,7 +42,7 @@ public class NamingRegisterResponseCodec implements Codec<NamingRegisterResponse
    * @return bytes a byte array
    */
   @Override
-  public byte[] encode(NamingRegisterResponse obj) {
+  public byte[] encode(final NamingRegisterResponse obj) {
     return codec.encode(obj.getRequest());
   }
 
@@ -53,7 +53,7 @@ public class NamingRegisterResponseCodec implements Codec<NamingRegisterResponse
    * @return a naming register response
    */
   @Override
-  public NamingRegisterResponse decode(byte[] buf) {
+  public NamingRegisterResponse decode(final byte[] buf) {
     return new NamingRegisterResponse(codec.decode(buf));
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingUnregisterRequest.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingUnregisterRequest.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingUnregisterRequest.java
index 6e3ff44..8a238d9 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingUnregisterRequest.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingUnregisterRequest.java
@@ -31,7 +31,7 @@ public class NamingUnregisterRequest extends NamingMessage {
    *
    * @param id the identifier
    */
-  public NamingUnregisterRequest(Identifier id) {
+  public NamingUnregisterRequest(final Identifier id) {
     this.id = id;
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingUnregisterRequestCodec.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingUnregisterRequestCodec.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingUnregisterRequestCodec.java
index cf0858a..f220cd2 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingUnregisterRequestCodec.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/naming/serialization/NamingUnregisterRequestCodec.java
@@ -48,7 +48,7 @@ public final class NamingUnregisterRequestCodec implements Codec<NamingUnregiste
    * @return a byte array
    */
   @Override
-  public byte[] encode(NamingUnregisterRequest obj) {
+  public byte[] encode(final NamingUnregisterRequest obj) {
     final AvroNamingUnRegisterRequest result = AvroNamingUnRegisterRequest.newBuilder()
         .setId(obj.getIdentifier().toString())
         .build();
@@ -63,7 +63,7 @@ public final class NamingUnregisterRequestCodec implements Codec<NamingUnregiste
    * @throws org.apache.reef.io.network.naming.exception.NamingRuntimeException
    */
   @Override
-  public NamingUnregisterRequest decode(byte[] buf) {
+  public NamingUnregisterRequest decode(final byte[] buf) {
     final AvroNamingUnRegisterRequest result = AvroUtils.fromBytes(buf, AvroNamingUnRegisterRequest.class);
     return new NamingUnregisterRequest(factory.getNewInstance(result.getId().toString()));
   }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringCodec.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringCodec.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringCodec.java
index 70d6a41..5bf4685 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringCodec.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringCodec.java
@@ -31,12 +31,12 @@ public class StringCodec implements Codec<String> {
   }
 
   @Override
-  public byte[] encode(String obj) {
+  public byte[] encode(final String obj) {
     return obj.getBytes();
   }
 
   @Override
-  public String decode(byte[] buf) {
+  public String decode(final byte[] buf) {
     return new String(buf);
   }
 }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringIdentifier.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringIdentifier.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringIdentifier.java
index f8da208..c2de9d0 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringIdentifier.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringIdentifier.java
@@ -33,7 +33,7 @@ public class StringIdentifier implements ComparableIdentifier {
    *
    * @param str a string
    */
-  StringIdentifier(String str) {
+  StringIdentifier(final String str) {
     this.str = str;
   }
 
@@ -52,7 +52,7 @@ public class StringIdentifier implements ComparableIdentifier {
    * @param o another object
    * @return true if the object is the same as the object argument; false, otherwise
    */
-  public boolean equals(Object o) {
+  public boolean equals(final Object o) {
     return str.equals(((StringIdentifier) o).toString());
   }
 
@@ -66,7 +66,7 @@ public class StringIdentifier implements ComparableIdentifier {
   }
 
   @Override
-  public int compareTo(Identifier o) {
+  public int compareTo(final Identifier o) {
     if (o == null) {
       if (str == null) {
         return 0;

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringIdentifierFactory.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringIdentifierFactory.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringIdentifierFactory.java
index cc51d21..708a309 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringIdentifierFactory.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/network/util/StringIdentifierFactory.java
@@ -39,7 +39,7 @@ public class StringIdentifierFactory implements IdentifierFactory {
    * @return a string identifier
    */
   @Override
-  public Identifier getNewInstance(String s) {
+  public Identifier getNewInstance(final String s) {
     return new StringIdentifier(s);
   }
 

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingInputStream.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingInputStream.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingInputStream.java
index 2a96662..664e5a5 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingInputStream.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingInputStream.java
@@ -27,16 +27,16 @@ import java.util.Iterator;
 
 public class FramingInputStream extends DataInputStream implements Iterable<byte[]> {
 
-  public FramingInputStream(InputStream in) {
+  public FramingInputStream(final InputStream in) {
     super(in);
   }
 
   public byte[] readFrame() throws IOException {
-    int i = readInt();
+    final int i = readInt();
     if (i == -1) {
       return null;
     }
-    byte[] b = new byte[i];
+    final byte[] b = new byte[i];
     readFully(b);
     return b;
   }
@@ -54,10 +54,10 @@ public class FramingInputStream extends DataInputStream implements Iterable<byte
 
         @Override
         public byte[] next() {
-          byte[] ret = cur;
+          final byte[] ret = cur;
           try {
             cur = readFrame();
-          } catch (IOException e) {
+          } catch (final IOException e) {
             throw new ServiceRuntimeException(e);
           }
           return ret;
@@ -68,7 +68,7 @@ public class FramingInputStream extends DataInputStream implements Iterable<byte
           throw new UnsupportedOperationException();
         }
       };
-    } catch (IOException e) {
+    } catch (final IOException e) {
       throw new ServiceRuntimeException(e);
     }
   }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingOutputStream.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingOutputStream.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingOutputStream.java
index 26013fa..28f6916 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingOutputStream.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingOutputStream.java
@@ -35,7 +35,7 @@ public class FramingOutputStream extends OutputStream implements Accumulable<byt
   private long offset;
   private boolean closed;
 
-  public FramingOutputStream(OutputStream o) {
+  public FramingOutputStream(final OutputStream o) {
     if (!(o instanceof DataOutputStream)) {
       this.o = new DataOutputStream(o);
     } else {
@@ -50,7 +50,7 @@ public class FramingOutputStream extends OutputStream implements Accumulable<byt
       offset += 4;
       baos.writeTo(o);
       baos.reset();
-    } catch (IOException e) {
+    } catch (final IOException e) {
       throw new StorageException(e);
     }
   }
@@ -60,19 +60,19 @@ public class FramingOutputStream extends OutputStream implements Accumulable<byt
   }
 
   @Override
-  public void write(int b) throws IOException {
+  public void write(final int b) throws IOException {
     baos.write(b);
     offset++;
   }
 
   @Override
-  public void write(byte[] b) throws IOException {
+  public void write(final byte[] b) throws IOException {
     baos.write(b);
     this.offset += b.length;
   }
 
   @Override
-  public void write(byte[] b, int offsetToWrite, int length) throws IOException {
+  public void write(final byte[] b, final int offsetToWrite, final int length) throws IOException {
     baos.write(b, offsetToWrite, length);
     this.offset += length;
   }
@@ -89,7 +89,7 @@ public class FramingOutputStream extends OutputStream implements Accumulable<byt
         if (this.offset > 0) {
           nextFrame();
         }
-      } catch (StorageException e) {
+      } catch (final StorageException e) {
         throw (IOException) e.getCause();
       }
       o.writeInt(-1);
@@ -105,13 +105,13 @@ public class FramingOutputStream extends OutputStream implements Accumulable<byt
     return new Accumulator<byte[]>() {
 
       @Override
-      public void add(byte[] datum) throws ServiceException {
+      public void add(final byte[] datum) throws ServiceException {
         try {
           o.writeInt(datum.length);
           offset += 4;
           o.write(datum);
           offset += datum.length;
-        } catch (IOException e) {
+        } catch (final IOException e) {
           throw new ServiceException(e);
         }
 
@@ -124,7 +124,7 @@ public class FramingOutputStream extends OutputStream implements Accumulable<byt
           offset += 4;
           o.close();
           fos.closed = true;
-        } catch (IOException e) {
+        } catch (final IOException e) {
           throw new ServiceException(e);
         }
       }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingTupleDeserializer.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingTupleDeserializer.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingTupleDeserializer.java
index f138024..eeb28ec 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingTupleDeserializer.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingTupleDeserializer.java
@@ -35,14 +35,14 @@ public class FramingTupleDeserializer<K, V> implements
   private final Deserializer<K, InputStream> keyDeserializer;
   private final Deserializer<V, InputStream> valDeserializer;
 
-  public FramingTupleDeserializer(Deserializer<K, InputStream> keyDeserializer,
-                                  Deserializer<V, InputStream> valDeserializer) {
+  public FramingTupleDeserializer(final Deserializer<K, InputStream> keyDeserializer,
+                                  final Deserializer<V, InputStream> valDeserializer) {
     this.keyDeserializer = keyDeserializer;
     this.valDeserializer = valDeserializer;
   }
 
   @Override
-  public Iterable<Tuple<K, V>> create(InputStream ins) {
+  public Iterable<Tuple<K, V>> create(final InputStream ins) {
     final DataInputStream in = new DataInputStream(ins);
     final Iterable<K> keyItbl = keyDeserializer.create(in);
     final Iterable<V> valItbl = valDeserializer.create(in);
@@ -57,7 +57,7 @@ public class FramingTupleDeserializer<K, V> implements
             private int readFrameLength() throws ServiceException {
               try {
                 return in.readInt();
-              } catch (IOException e) {
+              } catch (final IOException e) {
                 throw new ServiceRuntimeException(e);
               }
             }
@@ -75,12 +75,12 @@ public class FramingTupleDeserializer<K, V> implements
                 if (nextFrameLength == -1) {
                   throw new NoSuchElementException();
                 }
-                K k = keyIt.next();
+                final K k = keyIt.next();
                 readFrameLength();
-                V v = valIt.next();
+                final V v = valIt.next();
                 nextFrameLength = readFrameLength();
                 return new Tuple<>(k, v);
-              } catch (ServiceException e) {
+              } catch (final ServiceException e) {
                 throw new ServiceRuntimeException(e);
               }
             }
@@ -90,7 +90,7 @@ public class FramingTupleDeserializer<K, V> implements
               throw new UnsupportedOperationException();
             }
           };
-        } catch (ServiceException e) {
+        } catch (final ServiceException e) {
           throw new ServiceRuntimeException(e);
         }
       }

http://git-wip-us.apache.org/repos/asf/incubator-reef/blob/141c7fa0/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingTupleSerializer.java
----------------------------------------------------------------------
diff --git a/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingTupleSerializer.java b/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingTupleSerializer.java
index a494463..a6cd0ad 100644
--- a/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingTupleSerializer.java
+++ b/lang/java/reef-io/src/main/java/org/apache/reef/io/storage/FramingTupleSerializer.java
@@ -58,7 +58,7 @@ public class FramingTupleSerializer<K, V> implements
           boolean first = true;
 
           @Override
-          public void add(Tuple<K, V> datum) throws ServiceException {
+          public void add(final Tuple<K, V> datum) throws ServiceException {
             if (!first) {
               faos.nextFrame();
             }
@@ -74,7 +74,7 @@ public class FramingTupleSerializer<K, V> implements
               keyAccumulator.close();
               valAccumulator.close();
               faos.close();
-            } catch (IOException e) {
+            } catch (final IOException e) {
               throw new StorageException(e);
             }
           }