http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-job/src/main/java/org/apache/kylin/job/impl/threadpool/DistributedScheduler.java
----------------------------------------------------------------------
diff --git 
a/core-job/src/main/java/org/apache/kylin/job/impl/threadpool/DistributedScheduler.java
 
b/core-job/src/main/java/org/apache/kylin/job/impl/threadpool/DistributedScheduler.java
index 50c4639..8812dad 100644
--- 
a/core-job/src/main/java/org/apache/kylin/job/impl/threadpool/DistributedScheduler.java
+++ 
b/core-job/src/main/java/org/apache/kylin/job/impl/threadpool/DistributedScheduler.java
@@ -82,6 +82,7 @@ public class DistributedScheduler implements 
Scheduler<AbstractExecutable>, Conn
     private JobEngineConfig jobEngineConfig;
     private String serverName;
 
+
     private final static String SEGMENT_ID = "segmentId";
     public static final String ZOOKEEPER_LOCK_PATH = "/job_engine/lock"; // 
note ZookeeperDistributedLock will ensure zk path prefix: /kylin/metadata
 
@@ -143,8 +144,7 @@ public class DistributedScheduler implements 
Scheduler<AbstractExecutable>, Conn
                         logger.warn(executable.toString() + " fail to schedule 
in server: " + serverName, ex);
                     }
                 }
-                logger.info("Job Fetcher: " + nRunning + " should running, " + 
runningJobs.size() + " actual running, "
-                        + nOtherRunning + " running in other server, " + 
nReady + " ready, " + nOthers + " others");
+                logger.info("Job Fetcher: " + nRunning + " should running, " + 
runningJobs.size() + " actual running, " + nOtherRunning + " running in other 
server, " + nReady + " ready, " + nOthers + " others");
             } catch (Exception e) {
                 logger.warn("Job Fetcher caught a exception " + e);
             }
@@ -216,12 +216,9 @@ public class DistributedScheduler implements 
Scheduler<AbstractExecutable>, Conn
                 final Output output = executableManager.getOutput(id);
                 if (output.getState() == ExecutableState.RUNNING) {
                     AbstractExecutable executable = 
executableManager.getJob(id);
-                    if (executable instanceof DefaultChainedExecutable
-                            && 
executable.getParams().get(SEGMENT_ID).equalsIgnoreCase(segmentId)
-                            && !nodeData.equalsIgnoreCase(serverName)) {
+                    if (executable instanceof DefaultChainedExecutable && 
executable.getParams().get(SEGMENT_ID).equalsIgnoreCase(segmentId) && 
!nodeData.equalsIgnoreCase(serverName)) {
                         try {
-                            logger.warn(nodeData + " has released the lock 
for: " + segmentId
-                                    + " but the job still running. so " + 
serverName + " resume the job");
+                            logger.warn(nodeData + " has released the lock 
for: " + segmentId + " but the job still running. so " + serverName + " resume 
the job");
                             if (!jobLock.isLocked(getLockPath(segmentId))) {
                                 
executableManager.resumeRunningJobForce(executable.getId());
                                 fetcherPool.schedule(fetcher, 0, 
TimeUnit.SECONDS);
@@ -280,13 +277,11 @@ public class DistributedScheduler implements 
Scheduler<AbstractExecutable>, Conn
         lockWatch = this.jobLock.watchLocks(getWatchPath(), watchPool, 
watcherProcess);
 
         int corePoolSize = jobEngineConfig.getMaxConcurrentJobLimit();
-        jobPool = new ThreadPoolExecutor(corePoolSize, corePoolSize, 
Long.MAX_VALUE, TimeUnit.DAYS,
-                new SynchronousQueue<Runnable>());
+        jobPool = new ThreadPoolExecutor(corePoolSize, corePoolSize, 
Long.MAX_VALUE, TimeUnit.DAYS, new SynchronousQueue<Runnable>());
         context = new DefaultContext(Maps.<String, Executable> 
newConcurrentMap(), jobEngineConfig.getConfig());
 
         fetcher = new FetcherRunner();
-        fetcherPool.scheduleAtFixedRate(fetcher, 10, 
ExecutableConstants.DEFAULT_SCHEDULER_INTERVAL_SECONDS,
-                TimeUnit.SECONDS);
+        fetcherPool.scheduleAtFixedRate(fetcher, 10, 
ExecutableConstants.DEFAULT_SCHEDULER_INTERVAL_SECONDS, TimeUnit.SECONDS);
         hasStarted = true;
 
         resumeAllRunningJobs();
@@ -324,7 +319,7 @@ public class DistributedScheduler implements 
Scheduler<AbstractExecutable>, Conn
         }
         return path;
     }
-
+    
     @Override
     public void shutdown() throws SchedulerException {
         logger.info("Will shut down Job Engine ....");

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-job/src/main/java/org/apache/kylin/job/lock/JobLock.java
----------------------------------------------------------------------
diff --git a/core-job/src/main/java/org/apache/kylin/job/lock/JobLock.java 
b/core-job/src/main/java/org/apache/kylin/job/lock/JobLock.java
index 5ed4b7e..1b6b29e 100644
--- a/core-job/src/main/java/org/apache/kylin/job/lock/JobLock.java
+++ b/core-job/src/main/java/org/apache/kylin/job/lock/JobLock.java
@@ -23,7 +23,7 @@ package org.apache.kylin.job.lock;
  * This interface is for such negotiation. 
  */
 public interface JobLock {
-
+    
     boolean lockJobEngine();
 
     void unlockJobEngine();

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-job/src/test/java/org/apache/kylin/job/ExecutableManagerTest.java
----------------------------------------------------------------------
diff --git 
a/core-job/src/test/java/org/apache/kylin/job/ExecutableManagerTest.java 
b/core-job/src/test/java/org/apache/kylin/job/ExecutableManagerTest.java
index 76a5300..faea9a4 100644
--- a/core-job/src/test/java/org/apache/kylin/job/ExecutableManagerTest.java
+++ b/core-job/src/test/java/org/apache/kylin/job/ExecutableManagerTest.java
@@ -119,8 +119,7 @@ public class ExecutableManagerTest extends 
LocalFileMetadataTestCase {
         assertEquals(one.getStatus(), another.getStatus());
         assertEquals(one.isRunnable(), another.isRunnable());
         assertEquals(one.getOutput(), another.getOutput());
-        assertTrue((one.getParams() == null && another.getParams() == null)
-                || (one.getParams() != null && another.getParams() != null));
+        assertTrue((one.getParams() == null && another.getParams() == null) || 
(one.getParams() != null && another.getParams() != null));
         if (one.getParams() != null) {
             assertEquals(one.getParams().size(), another.getParams().size());
             for (String key : one.getParams().keySet()) {

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-job/src/test/java/org/apache/kylin/job/JobEngineConfigTest.java
----------------------------------------------------------------------
diff --git 
a/core-job/src/test/java/org/apache/kylin/job/JobEngineConfigTest.java 
b/core-job/src/test/java/org/apache/kylin/job/JobEngineConfigTest.java
index fe77d09..77914ef 100644
--- a/core-job/src/test/java/org/apache/kylin/job/JobEngineConfigTest.java
+++ b/core-job/src/test/java/org/apache/kylin/job/JobEngineConfigTest.java
@@ -18,15 +18,15 @@
 
 package org.apache.kylin.job;
 
-import static org.junit.Assert.assertEquals;
-
-import java.io.IOException;
-
 import org.apache.kylin.common.KylinConfig;
 import org.apache.kylin.common.util.HotLoadKylinPropertiesTestCase;
 import org.apache.kylin.job.engine.JobEngineConfig;
 import org.junit.Test;
 
+import java.io.IOException;
+
+import static org.junit.Assert.assertEquals;
+
 /**
  * @author kangkaisen
  */

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-job/src/test/java/org/apache/kylin/job/SelfStopExecutable.java
----------------------------------------------------------------------
diff --git 
a/core-job/src/test/java/org/apache/kylin/job/SelfStopExecutable.java 
b/core-job/src/test/java/org/apache/kylin/job/SelfStopExecutable.java
index f5abd30..9a3eb48 100644
--- a/core-job/src/test/java/org/apache/kylin/job/SelfStopExecutable.java
+++ b/core-job/src/test/java/org/apache/kylin/job/SelfStopExecutable.java
@@ -38,11 +38,11 @@ public class SelfStopExecutable extends BaseTestExecutable {
         try {
             for (int i = 0; i < 20; i++) {
                 sleepOneSecond();
-
+                
                 if (isDiscarded())
                     return new ExecuteResult(ExecuteResult.State.STOPPED, 
"stopped");
             }
-
+                
             return new ExecuteResult(ExecuteResult.State.SUCCEED, "succeed");
         } finally {
             doingWork = false;

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-job/src/test/java/org/apache/kylin/job/impl/threadpool/BaseSchedulerTest.java
----------------------------------------------------------------------
diff --git 
a/core-job/src/test/java/org/apache/kylin/job/impl/threadpool/BaseSchedulerTest.java
 
b/core-job/src/test/java/org/apache/kylin/job/impl/threadpool/BaseSchedulerTest.java
index c514dfd..1ada9a1 100644
--- 
a/core-job/src/test/java/org/apache/kylin/job/impl/threadpool/BaseSchedulerTest.java
+++ 
b/core-job/src/test/java/org/apache/kylin/job/impl/threadpool/BaseSchedulerTest.java
@@ -39,7 +39,7 @@ import org.slf4j.LoggerFactory;
 public abstract class BaseSchedulerTest extends LocalFileMetadataTestCase {
 
     private static final Logger logger = 
LoggerFactory.getLogger(BaseSchedulerTest.class);
-
+    
     private DefaultScheduler scheduler;
 
     protected ExecutableManager jobService;
@@ -76,7 +76,7 @@ public abstract class BaseSchedulerTest extends 
LocalFileMetadataTestCase {
     protected void waitForJobFinish(String jobId) {
         int error = 0;
         final int errorLimit = 3;
-
+        
         while (error < errorLimit) {
             try {
                 Thread.sleep(2000);
@@ -87,8 +87,7 @@ public abstract class BaseSchedulerTest extends 
LocalFileMetadataTestCase {
             try {
                 AbstractExecutable job = jobService.getJob(jobId);
                 ExecutableState status = job.getStatus();
-                if (status == ExecutableState.SUCCEED || status == 
ExecutableState.ERROR
-                        || status == ExecutableState.STOPPED || status == 
ExecutableState.DISCARDED) {
+                if (status == ExecutableState.SUCCEED || status == 
ExecutableState.ERROR || status == ExecutableState.STOPPED || status == 
ExecutableState.DISCARDED) {
                     break;
                 }
             } catch (Exception ex) {
@@ -96,7 +95,7 @@ public abstract class BaseSchedulerTest extends 
LocalFileMetadataTestCase {
                 error++;
             }
         }
-
+        
         if (error >= errorLimit) {
             throw new RuntimeException("waitForJobFinish() encounters 
exceptions, see logs above");
         }

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/dimension/BooleanDimEnc.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/dimension/BooleanDimEnc.java 
b/core-metadata/src/main/java/org/apache/kylin/dimension/BooleanDimEnc.java
index 1b2b57d..fbdb0bb 100644
--- a/core-metadata/src/main/java/org/apache/kylin/dimension/BooleanDimEnc.java
+++ b/core-metadata/src/main/java/org/apache/kylin/dimension/BooleanDimEnc.java
@@ -34,14 +34,13 @@ import com.google.common.collect.Maps;
 /**
  * Encoding Boolean values to bytes
  */
-public class BooleanDimEnc extends DimensionEncoding implements Serializable {
+public class BooleanDimEnc extends DimensionEncoding implements Serializable{
     private static final long serialVersionUID = 1L;
 
     public static final String ENCODING_NAME = "boolean";
 
     //NOTE: when add new value, append to the array tail, DO NOT insert!
-    public static String[] ALLOWED_VALUES = new String[] { "", "true", 
"false", "TRUE", "FALSE", "True", "False", "t",
-            "f", "T", "F", "yes", "no", "YES", "NO", "Yes", "No", "y", "n", 
"Y", "N", "1", "0" };
+    public static String[] ALLOWED_VALUES = new String[] { "", "true", 
"false", "TRUE", "FALSE", "True", "False", "t", "f", "T", "F", "yes", "no", 
"YES", "NO", "Yes", "No", "y", "n", "Y", "N", "1", "0" };
 
     public static final Map<String, Integer> map = Maps.newHashMap();
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/dimension/DateDimEnc.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/dimension/DateDimEnc.java 
b/core-metadata/src/main/java/org/apache/kylin/dimension/DateDimEnc.java
index 50c08e6..6f06841 100644
--- a/core-metadata/src/main/java/org/apache/kylin/dimension/DateDimEnc.java
+++ b/core-metadata/src/main/java/org/apache/kylin/dimension/DateDimEnc.java
@@ -96,8 +96,7 @@ public class DateDimEnc extends AbstractDateDimEnc implements 
Serializable {
         return millis;
     }
 
-    public static String[] replaceEncodingArgs(String encoding, String[] 
encodingArgs, String encodingName,
-            DataType type) {
+    public static String[] replaceEncodingArgs(String encoding, String[] 
encodingArgs, String encodingName, DataType type) {
         // https://issues.apache.org/jira/browse/KYLIN-2495
         if (DateDimEnc.ENCODING_NAME.equals(encodingName)) {
             if (type.isIntegerFamily()) {

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/dimension/DictionaryDimEnc.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/dimension/DictionaryDimEnc.java 
b/core-metadata/src/main/java/org/apache/kylin/dimension/DictionaryDimEnc.java
index c846560..dcc8d47 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/dimension/DictionaryDimEnc.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/dimension/DictionaryDimEnc.java
@@ -100,8 +100,7 @@ public class DictionaryDimEnc extends DimensionEncoding 
implements Serializable
             for (int i = outputOffset; i < outputOffset + fixedLen; i++) {
                 output[i] = defaultByte;
             }
-            logger.error("Can't translate value " + valueStr + " to dictionary 
ID, roundingFlag " + roundingFlag
-                    + ". Using default value " + String.format("\\x%02X", 
defaultByte));
+            logger.error("Can't translate value " + valueStr + " to dictionary 
ID, roundingFlag " + roundingFlag + ". Using default value " + 
String.format("\\x%02X", defaultByte));
         }
     }
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/dimension/FixedLenDimEnc.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/dimension/FixedLenDimEnc.java 
b/core-metadata/src/main/java/org/apache/kylin/dimension/FixedLenDimEnc.java
index 39a985e..9ce1577 100644
--- a/core-metadata/src/main/java/org/apache/kylin/dimension/FixedLenDimEnc.java
+++ b/core-metadata/src/main/java/org/apache/kylin/dimension/FixedLenDimEnc.java
@@ -30,7 +30,7 @@ import org.apache.kylin.metadata.datatype.DataTypeSerializer;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-public class FixedLenDimEnc extends DimensionEncoding implements Serializable {
+public class FixedLenDimEnc extends DimensionEncoding implements Serializable{
     private static final long serialVersionUID = 1L;
 
     private static Logger logger = 
LoggerFactory.getLogger(FixedLenDimEnc.class);
@@ -100,9 +100,7 @@ public class FixedLenDimEnc extends DimensionEncoding 
implements Serializable {
         int valueLen = value.length;
         if (valueLen > fixedLen) {
             if (avoidVerbose++ % 10000 == 0) {
-                logger.warn(
-                        "Expect at most " + fixedLen + " bytes, but got " + 
valueLen + ", will truncate, value string: "
-                                + Bytes.toString(value, 0, valueLen) + " 
times:" + avoidVerbose);
+                logger.warn("Expect at most " + fixedLen + " bytes, but got " 
+ valueLen + ", will truncate, value string: " + Bytes.toString(value, 0, 
valueLen) + " times:" + avoidVerbose);
             }
         }
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/dimension/FixedLenHexDimEnc.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/dimension/FixedLenHexDimEnc.java 
b/core-metadata/src/main/java/org/apache/kylin/dimension/FixedLenHexDimEnc.java
index 701aebc..a931450 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/dimension/FixedLenHexDimEnc.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/dimension/FixedLenHexDimEnc.java
@@ -44,7 +44,7 @@ import com.google.common.base.Preconditions;
  * <p>
  * Due to these limitations hex representation of hash values(with no padding, 
better with even characters) is more suitable
  */
-public class FixedLenHexDimEnc extends DimensionEncoding implements 
Serializable {
+public class FixedLenHexDimEnc extends DimensionEncoding implements 
Serializable{
     private static final long serialVersionUID = 1L;
 
     private static Logger logger = 
LoggerFactory.getLogger(FixedLenHexDimEnc.class);
@@ -166,19 +166,16 @@ public class FixedLenHexDimEnc extends DimensionEncoding 
implements Serializable
         byte[] value = Bytes.toBytes(valueStr);
         int valueLen = value.length;
         int endOffset = outputOffset + bytelen;
-
+        
         if (valueLen > hexLength) {
             if (avoidVerbose++ % 10000 == 0) {
-                logger.warn("Expect at most " + hexLength + " bytes, but got " 
+ valueLen
-                        + ", will truncate, value string: " + 
Bytes.toString(value, 0, valueLen) + " times:"
-                        + avoidVerbose);
+                logger.warn("Expect at most " + hexLength + " bytes, but got " 
+ valueLen + ", will truncate, value string: " + Bytes.toString(value, 0, 
valueLen) + " times:" + avoidVerbose);
             }
         }
 
         if (valueLen >= hexLength && isF(value, 0, hexLength)) {
             if (avoidVerbose2++ % 10000 == 0) {
-                logger.warn("All 'F' value: " + Bytes.toString(value, 0, 
valueLen)
-                        + "will become null after encode/decode. times:" + 
avoidVerbose);
+                logger.warn("All 'F' value: " + Bytes.toString(value, 0, 
valueLen) + "will become null after encode/decode. times:" + avoidVerbose);
             }
         }
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/dimension/IntDimEnc.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/dimension/IntDimEnc.java 
b/core-metadata/src/main/java/org/apache/kylin/dimension/IntDimEnc.java
index 695fa03..3650200 100644
--- a/core-metadata/src/main/java/org/apache/kylin/dimension/IntDimEnc.java
+++ b/core-metadata/src/main/java/org/apache/kylin/dimension/IntDimEnc.java
@@ -34,13 +34,12 @@ import org.slf4j.LoggerFactory;
  * deprecated use IntegerDimEnc instead
  * @deprecated
  */
-public class IntDimEnc extends DimensionEncoding implements Serializable {
+public class IntDimEnc extends DimensionEncoding implements Serializable{
     private static final long serialVersionUID = 1L;
 
     private static Logger logger = LoggerFactory.getLogger(IntDimEnc.class);
 
-    private static final long[] CAP = { 0, 0xffL, 0xffffL, 0xffffffL, 
0xffffffffL, 0xffffffffffL, 0xffffffffffffL,
-            0xffffffffffffffL, Long.MAX_VALUE };
+    private static final long[] CAP = { 0, 0xffL, 0xffffL, 0xffffffL, 
0xffffffffL, 0xffffffffffL, 0xffffffffffffL, 0xffffffffffffffL, Long.MAX_VALUE 
};
 
     public static final String ENCODING_NAME = "int";
 
@@ -88,8 +87,7 @@ public class IntDimEnc extends DimensionEncoding implements 
Serializable {
         long integer = Long.parseLong(valueStr);
         if (integer > CAP[fixedLen]) {
             if (avoidVerbose++ % 10000 == 0) {
-                logger.warn("Expect at most " + fixedLen + " bytes, but got " 
+ valueStr + ", will truncate, hit times:"
-                        + avoidVerbose);
+                logger.warn("Expect at most " + fixedLen + " bytes, but got " 
+ valueStr + ", will truncate, hit times:" + avoidVerbose);
             }
         }
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/dimension/IntegerDimEnc.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/dimension/IntegerDimEnc.java 
b/core-metadata/src/main/java/org/apache/kylin/dimension/IntegerDimEnc.java
index 26a40d8..e024696 100644
--- a/core-metadata/src/main/java/org/apache/kylin/dimension/IntegerDimEnc.java
+++ b/core-metadata/src/main/java/org/apache/kylin/dimension/IntegerDimEnc.java
@@ -37,17 +37,14 @@ import org.slf4j.LoggerFactory;
  * -2^(8*N-1) is not supported because the slot is reserved for null values.
  * -2^(8*N-1) will be encoded with warn, and its output will be null
  */
-public class IntegerDimEnc extends DimensionEncoding implements Serializable {
+public class IntegerDimEnc extends DimensionEncoding implements Serializable{
     private static final long serialVersionUID = 1L;
 
     private static Logger logger = 
LoggerFactory.getLogger(IntegerDimEnc.class);
 
-    private static final long[] CAP = { 0, 0x7fL, 0x7fffL, 0x7fffffL, 
0x7fffffffL, 0x7fffffffffL, 0x7fffffffffffL,
-            0x7fffffffffffffL, 0x7fffffffffffffffL };
-    private static final long[] MASK = { 0, 0xffL, 0xffffL, 0xffffffL, 
0xffffffffL, 0xffffffffffL, 0xffffffffffffL,
-            0xffffffffffffffL, 0xffffffffffffffffL };
-    private static final long[] TAIL = { 0, 0x80L, 0x8000L, 0x800000L, 
0x80000000L, 0x8000000000L, 0x800000000000L,
-            0x80000000000000L, 0x8000000000000000L };
+    private static final long[] CAP = { 0, 0x7fL, 0x7fffL, 0x7fffffL, 
0x7fffffffL, 0x7fffffffffL, 0x7fffffffffffL, 0x7fffffffffffffL, 
0x7fffffffffffffffL };
+    private static final long[] MASK = { 0, 0xffL, 0xffffL, 0xffffffL, 
0xffffffffL, 0xffffffffffL, 0xffffffffffffL, 0xffffffffffffffL, 
0xffffffffffffffffL };
+    private static final long[] TAIL = { 0, 0x80L, 0x8000L, 0x800000L, 
0x80000000L, 0x8000000000L, 0x800000000000L, 0x80000000000000L, 
0x8000000000000000L };
     static {
         for (int i = 1; i < TAIL.length; ++i) {
             long head = ~MASK[i];
@@ -102,8 +99,7 @@ public class IntegerDimEnc extends DimensionEncoding 
implements Serializable {
         long integer = Long.parseLong(valueStr);
         if (integer > CAP[fixedLen] || integer < TAIL[fixedLen]) {
             if (avoidVerbose++ % 10000 == 0) {
-                logger.warn("Expect at most " + fixedLen + " bytes, but got " 
+ valueStr + ", will truncate, hit times:"
-                        + avoidVerbose);
+                logger.warn("Expect at most " + fixedLen + " bytes, but got " 
+ valueStr + ", will truncate, hit times:" + avoidVerbose);
             }
         }
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/dimension/OneMoreByteVLongDimEnc.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/dimension/OneMoreByteVLongDimEnc.java
 
b/core-metadata/src/main/java/org/apache/kylin/dimension/OneMoreByteVLongDimEnc.java
index 5738ce9..d998f44 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/dimension/OneMoreByteVLongDimEnc.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/dimension/OneMoreByteVLongDimEnc.java
@@ -18,6 +18,11 @@
 
 package org.apache.kylin.dimension;
 
+import org.apache.kylin.common.util.BytesUtil;
+import org.apache.kylin.metadata.datatype.DataTypeSerializer;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.io.IOException;
 import java.io.ObjectInput;
 import java.io.ObjectOutput;
@@ -25,25 +30,17 @@ import java.io.Serializable;
 import java.nio.ByteBuffer;
 import java.util.Arrays;
 
-import org.apache.kylin.common.util.BytesUtil;
-import org.apache.kylin.metadata.datatype.DataTypeSerializer;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 /**
  * not being used yet, prepared for future
  */
-public class OneMoreByteVLongDimEnc extends DimensionEncoding implements 
Serializable {
+public class OneMoreByteVLongDimEnc extends DimensionEncoding implements 
Serializable{
     private static final long serialVersionUID = 1L;
 
     private static Logger logger = 
LoggerFactory.getLogger(OneMoreByteVLongDimEnc.class);
 
-    private static final long[] CAP = { 0, 0x7fL, 0x7fffL, 0x7fffffL, 
0x7fffffffL, 0x7fffffffffL, 0x7fffffffffffL,
-            0x7fffffffffffffL, 0x7fffffffffffffffL };
-    private static final long[] MASK = { 0, 0xffL, 0xffffL, 0xffffffL, 
0xffffffffL, 0xffffffffffL, 0xffffffffffffL,
-            0xffffffffffffffL, 0xffffffffffffffffL };
-    private static final long[] TAIL = { 0, 0x80L, 0x8000L, 0x800000L, 
0x80000000L, 0x8000000000L, 0x800000000000L,
-            0x80000000000000L, 0x8000000000000000L };
+    private static final long[] CAP = { 0, 0x7fL, 0x7fffL, 0x7fffffL, 
0x7fffffffL, 0x7fffffffffL, 0x7fffffffffffL, 0x7fffffffffffffL, 
0x7fffffffffffffffL };
+    private static final long[] MASK = { 0, 0xffL, 0xffffL, 0xffffffL, 
0xffffffffL, 0xffffffffffL, 0xffffffffffffL, 0xffffffffffffffL, 
0xffffffffffffffffL };
+    private static final long[] TAIL = { 0, 0x80L, 0x8000L, 0x800000L, 
0x80000000L, 0x8000000000L, 0x800000000000L, 0x80000000000000L, 
0x8000000000000000L };
     static {
         for (int i = 1; i < TAIL.length; ++i) {
             long head = ~MASK[i];
@@ -98,8 +95,7 @@ public class OneMoreByteVLongDimEnc extends DimensionEncoding 
implements Seriali
         long integer = Long.parseLong(valueStr);
         if (integer > CAP[fixedLen] || integer < TAIL[fixedLen]) {
             if (avoidVerbose++ % 10000 == 0) {
-                logger.warn("Expect at most " + fixedLen + " bytes, but got " 
+ valueStr + ", will truncate, hit times:"
-                        + avoidVerbose);
+                logger.warn("Expect at most " + fixedLen + " bytes, but got " 
+ valueStr + ", will truncate, hit times:" + avoidVerbose);
             }
         }
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/BufferedMeasureCodec.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/BufferedMeasureCodec.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/BufferedMeasureCodec.java
index 09b6a8b..44e5708 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/BufferedMeasureCodec.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/BufferedMeasureCodec.java
@@ -18,13 +18,13 @@
 
 package org.apache.kylin.measure;
 
+import org.apache.kylin.metadata.datatype.DataType;
+import org.apache.kylin.metadata.model.MeasureDesc;
+
 import java.nio.BufferOverflowException;
 import java.nio.ByteBuffer;
 import java.util.Collection;
 
-import org.apache.kylin.metadata.datatype.DataType;
-import org.apache.kylin.metadata.model.MeasureDesc;
-
 /**
  * This class embeds a reusable byte buffer for measure encoding, and is not 
thread-safe.
  * The buffer will grow to accommodate BufferOverflowException until a limit.

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/MeasureAggregators.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/MeasureAggregators.java 
b/core-metadata/src/main/java/org/apache/kylin/measure/MeasureAggregators.java
index a54f471..710f324 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/MeasureAggregators.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/MeasureAggregators.java
@@ -94,8 +94,7 @@ public class MeasureAggregators implements Serializable {
     }
 
     public void aggregate(Object[] values1, Object[] values2, Object[] result, 
boolean[] aggrMask) {
-        assert values1.length == values2.length && values2.length == 
descLength && values1.length == result.length
-                && result.length == aggrMask.length;
+        assert values1.length == values2.length && values2.length == 
descLength && values1.length == result.length && result.length == 
aggrMask.length;
         for (int i = 0; i < descLength; i++) {
             if (aggrMask[i]) {
                 result[i] = aggs[i].aggregate(values1[i], values2[i]);

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/MeasureCodec.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/MeasureCodec.java 
b/core-metadata/src/main/java/org/apache/kylin/measure/MeasureCodec.java
index edfc8ea..2d73e59 100644
--- a/core-metadata/src/main/java/org/apache/kylin/measure/MeasureCodec.java
+++ b/core-metadata/src/main/java/org/apache/kylin/measure/MeasureCodec.java
@@ -18,13 +18,13 @@
 
 package org.apache.kylin.measure;
 
-import java.nio.ByteBuffer;
-import java.util.Collection;
-
 import org.apache.kylin.metadata.datatype.DataType;
 import org.apache.kylin.metadata.datatype.DataTypeSerializer;
 import org.apache.kylin.metadata.model.MeasureDesc;
 
+import java.nio.ByteBuffer;
+import java.util.Collection;
+
 /**
  * @author yangli9
  * 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/MeasureIngester.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/MeasureIngester.java 
b/core-metadata/src/main/java/org/apache/kylin/measure/MeasureIngester.java
index 42537eb..ed2cb02 100644
--- a/core-metadata/src/main/java/org/apache/kylin/measure/MeasureIngester.java
+++ b/core-metadata/src/main/java/org/apache/kylin/measure/MeasureIngester.java
@@ -18,13 +18,13 @@
 
 package org.apache.kylin.measure;
 
-import java.util.Collection;
-import java.util.Map;
-
 import org.apache.kylin.common.util.Dictionary;
 import org.apache.kylin.metadata.model.MeasureDesc;
 import org.apache.kylin.metadata.model.TblColRef;
 
+import java.util.Collection;
+import java.util.Map;
+
 abstract public class MeasureIngester<V> implements java.io.Serializable {
     private static final long serialVersionUID = 1L;
 
@@ -41,15 +41,13 @@ abstract public class MeasureIngester<V> implements 
java.io.Serializable {
         return result;
     }
 
-    abstract public V valueOf(String[] values, MeasureDesc measureDesc,
-            Map<TblColRef, Dictionary<String>> dictionaryMap);
+    abstract public V valueOf(String[] values, MeasureDesc measureDesc, 
Map<TblColRef, Dictionary<String>> dictionaryMap);
 
     public void reset() {
 
     }
 
-    public V reEncodeDictionary(V value, MeasureDesc measureDesc, 
Map<TblColRef, Dictionary<String>> oldDicts,
-            Map<TblColRef, Dictionary<String>> newDicts) {
+    public V reEncodeDictionary(V value, MeasureDesc measureDesc, 
Map<TblColRef, Dictionary<String>> oldDicts, Map<TblColRef, Dictionary<String>> 
newDicts) {
         throw new UnsupportedOperationException();
     }
 }

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/MeasureType.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/MeasureType.java 
b/core-metadata/src/main/java/org/apache/kylin/measure/MeasureType.java
index 8e7a1f5..f609dd5 100644
--- a/core-metadata/src/main/java/org/apache/kylin/measure/MeasureType.java
+++ b/core-metadata/src/main/java/org/apache/kylin/measure/MeasureType.java
@@ -18,11 +18,6 @@
 
 package org.apache.kylin.measure;
 
-import java.util.Collection;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-
 import org.apache.kylin.common.util.Dictionary;
 import org.apache.kylin.metadata.model.FunctionDesc;
 import org.apache.kylin.metadata.model.MeasureDesc;
@@ -32,6 +27,11 @@ import org.apache.kylin.metadata.realization.SQLDigest;
 import org.apache.kylin.metadata.tuple.Tuple;
 import org.apache.kylin.metadata.tuple.TupleInfo;
 
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Map;
+
 /**
  * MeasureType captures how a kind of aggregation is defined, how it is 
calculated 
  * during cube build, and how it is involved in query and storage scan.
@@ -95,8 +95,7 @@ abstract public class MeasureType<T> implements 
java.io.Serializable {
      * be modified to drop the satisfied dimension or measure, and a 
CapabilityInfluence object
      * must be returned to mark the contribution of this measure type.
      */
-    public CapabilityInfluence influenceCapabilityCheck(Collection<TblColRef> 
unmatchedDimensions,
-            Collection<FunctionDesc> unmatchedAggregations, SQLDigest digest, 
MeasureDesc measureDesc) {
+    public CapabilityInfluence influenceCapabilityCheck(Collection<TblColRef> 
unmatchedDimensions, Collection<FunctionDesc> unmatchedAggregations, SQLDigest 
digest, MeasureDesc measureDesc) {
         return null;
     }
 
@@ -143,8 +142,7 @@ abstract public class MeasureType<T> implements 
java.io.Serializable {
     }
 
     /** The advanced filling mode, multiple tuples per storage record. */
-    public IAdvMeasureFiller getAdvancedTupleFiller(FunctionDesc function, 
TupleInfo returnTupleInfo,
-            Map<TblColRef, Dictionary<String>> dictionaryMap) {
+    public IAdvMeasureFiller getAdvancedTupleFiller(FunctionDesc function, 
TupleInfo returnTupleInfo, Map<TblColRef, Dictionary<String>> dictionaryMap) {
         throw new UnsupportedOperationException();
     }
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/MeasureTypeFactory.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/MeasureTypeFactory.java 
b/core-metadata/src/main/java/org/apache/kylin/measure/MeasureTypeFactory.java
index 62cb003..7f3a5f1 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/MeasureTypeFactory.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/MeasureTypeFactory.java
@@ -121,8 +121,7 @@ abstract public class MeasureTypeFactory<T> {
                     logger.info("Checking custom measure types from kylin 
config: " + customFactory);
                     factoryInsts.add((MeasureTypeFactory<?>) 
Class.forName(customFactory).newInstance());
                 } catch (Exception e) {
-                    throw new IllegalArgumentException("Unrecognized 
MeasureTypeFactory classname: " + customFactory,
-                            e);
+                    throw new IllegalArgumentException("Unrecognized 
MeasureTypeFactory classname: " + customFactory, e);
                 }
             }
         } catch (KylinConfigCannotInitException e) {
@@ -133,12 +132,10 @@ abstract public class MeasureTypeFactory<T> {
         for (MeasureTypeFactory<?> factory : factoryInsts) {
             String funcName = factory.getAggrFunctionName();
             if (funcName.equals(funcName.toUpperCase()) == false)
-                throw new IllegalArgumentException(
-                        "Aggregation function name '" + funcName + "' must be 
in upper case");
+                throw new IllegalArgumentException("Aggregation function name 
'" + funcName + "' must be in upper case");
             String dataTypeName = factory.getAggrDataTypeName();
             if (dataTypeName.equals(dataTypeName.toLowerCase()) == false)
-                throw new IllegalArgumentException(
-                        "Aggregation data type name '" + dataTypeName + "' 
must be in lower case");
+                throw new IllegalArgumentException("Aggregation data type name 
'" + dataTypeName + "' must be in lower case");
             Class<? extends DataTypeSerializer<?>> serializer = 
factory.getAggrDataTypeSerializer();
 
             logger.info("registering " + funcName + "(" + dataTypeName + "), " 
+ factory.getClass());
@@ -156,8 +153,7 @@ abstract public class MeasureTypeFactory<T> {
     }
 
     private static void registerUDAF(MeasureTypeFactory<?> factory) {
-        MeasureType<?> type = 
factory.createMeasureType(factory.getAggrFunctionName(),
-                DataType.getType(factory.getAggrDataTypeName()));
+        MeasureType<?> type = 
factory.createMeasureType(factory.getAggrFunctionName(), 
DataType.getType(factory.getAggrDataTypeName()));
         Map<String, Class<?>> udafs = type.getRewriteCalciteAggrFunctions();
         if (type.needRewrite() == false || udafs == null)
             return;
@@ -168,8 +164,7 @@ abstract public class MeasureTypeFactory<T> {
                 continue; // skip built-in function
 
             if (udafFactories.containsKey(udaf))
-                throw new IllegalStateException(
-                        "UDAF '" + udaf + "' was dup declared by " + 
udafFactories.get(udaf) + " and " + factory);
+                throw new IllegalStateException("UDAF '" + udaf + "' was dup 
declared by " + udafFactories.get(udaf) + " and " + factory);
 
             udafFactories.put(udaf, factory);
             udafMap.put(udaf, udafs.get(udaf));
@@ -191,8 +186,7 @@ abstract public class MeasureTypeFactory<T> {
     public static MeasureType<?> createNoRewriteFieldsMeasureType(String 
funcName, DataType dataType) {
         // currently only has DimCountDistinctAgg
         if (funcName.equalsIgnoreCase(FunctionDesc.FUNC_COUNT_DISTINCT)) {
-            return new 
DimCountDistinctMeasureType.DimCountDistinctMeasureTypeFactory().createMeasureType(funcName,
-                    dataType);
+            return new 
DimCountDistinctMeasureType.DimCountDistinctMeasureTypeFactory().createMeasureType(funcName,
 dataType);
         }
 
         throw new UnsupportedOperationException("No measure type found.");
@@ -234,8 +228,7 @@ abstract public class MeasureTypeFactory<T> {
                 if (needRewrite == null)
                     needRewrite = Boolean.valueOf(b);
                 else if (needRewrite.booleanValue() != b)
-                    throw new IllegalStateException(
-                            "needRewrite() of factorys " + factory + " does 
not have consensus");
+                    throw new IllegalStateException("needRewrite() of factorys 
" + factory + " does not have consensus");
             }
         }
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/basic/BasicMeasureType.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/basic/BasicMeasureType.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/basic/BasicMeasureType.java
index 114aa8e..ed493a1 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/basic/BasicMeasureType.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/basic/BasicMeasureType.java
@@ -67,18 +67,15 @@ public class BasicMeasureType extends MeasureType {
 
         if (funcName.equals(FunctionDesc.FUNC_SUM)) {
             if (rtype.isNumberFamily() == false) {
-                throw new IllegalArgumentException(
-                        "Return type for function " + funcName + " must be one 
of " + DataType.NUMBER_FAMILY);
+                throw new IllegalArgumentException("Return type for function " 
+ funcName + " must be one of " + DataType.NUMBER_FAMILY);
             }
         } else if (funcName.equals(FunctionDesc.FUNC_COUNT)) {
             if (rtype.isIntegerFamily() == false) {
-                throw new IllegalArgumentException(
-                        "Return type for function " + funcName + " must be one 
of " + DataType.INTEGER_FAMILY);
+                throw new IllegalArgumentException("Return type for function " 
+ funcName + " must be one of " + DataType.INTEGER_FAMILY);
             }
         } else if (funcName.equals(FunctionDesc.FUNC_MAX) || 
funcName.equals(FunctionDesc.FUNC_MIN)) {
             if (rtype.isNumberFamily() == false) {
-                throw new IllegalArgumentException(
-                        "Return type for function " + funcName + " must be one 
of " + DataType.NUMBER_FAMILY);
+                throw new IllegalArgumentException("Return type for function " 
+ funcName + " must be one of " + DataType.NUMBER_FAMILY);
             }
         } else {
             KylinConfig config = KylinConfig.getInstanceFromEnv();
@@ -123,8 +120,7 @@ public class BasicMeasureType extends MeasureType {
             else if (dataType.isNumberFamily())
                 return new DoubleMinAggregator();
         }
-        throw new IllegalArgumentException(
-                "No aggregator for func '" + funcName + "' and return type '" 
+ dataType + "'");
+        throw new IllegalArgumentException("No aggregator for func '" + 
funcName + "' and return type '" + dataType + "'");
     }
 
     private boolean isSum() {

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/basic/BigDecimalIngester.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/basic/BigDecimalIngester.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/basic/BigDecimalIngester.java
index 6391a14..c7541ab 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/basic/BigDecimalIngester.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/basic/BigDecimalIngester.java
@@ -29,8 +29,7 @@ import org.apache.kylin.metadata.model.TblColRef;
 public class BigDecimalIngester extends MeasureIngester<BigDecimal> {
 
     @Override
-    public BigDecimal valueOf(String[] values, MeasureDesc measureDesc,
-            Map<TblColRef, Dictionary<String>> dictionaryMap) {
+    public BigDecimal valueOf(String[] values, MeasureDesc measureDesc, 
Map<TblColRef, Dictionary<String>> dictionaryMap) {
         if (values.length > 1)
             throw new IllegalArgumentException();
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapIntersectDistinctCountAggFunc.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapIntersectDistinctCountAggFunc.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapIntersectDistinctCountAggFunc.java
index 033c0ef..a1e2665 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapIntersectDistinctCountAggFunc.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapIntersectDistinctCountAggFunc.java
@@ -17,12 +17,12 @@
 */
 package org.apache.kylin.measure.bitmap;
 
+import org.apache.kylin.measure.ParamAsMeasureCount;
+
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 
-import org.apache.kylin.measure.ParamAsMeasureCount;
-
 /**
  * BitmapIntersectDistinctCountAggFunc is an UDAF used for calculating the 
intersection of two or more bitmaps
  * Usage:   intersect_count(columnToCount, columnToFilter, filterList)
@@ -99,3 +99,4 @@ public class BitmapIntersectDistinctCountAggFunc implements 
ParamAsMeasureCount
         return result.result();
     }
 }
+

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapMeasureType.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapMeasureType.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapMeasureType.java
index d603116..e4fb079 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapMeasureType.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapMeasureType.java
@@ -80,14 +80,13 @@ public class BitmapMeasureType extends 
MeasureType<BitmapCounter> {
     @Override
     public void validate(FunctionDesc functionDesc) throws 
IllegalArgumentException {
         checkArgument(FUNC_COUNT_DISTINCT.equals(functionDesc.getExpression()),
-                "BitmapMeasureType only support function %s, got %s", 
FUNC_COUNT_DISTINCT,
-                functionDesc.getExpression());
-        checkArgument(functionDesc.getParameterCount() == 1, 
"BitmapMeasureType only support 1 parameter, got %d",
-                functionDesc.getParameterCount());
+                "BitmapMeasureType only support function %s, got %s", 
FUNC_COUNT_DISTINCT, functionDesc.getExpression());
+        checkArgument(functionDesc.getParameterCount() == 1,
+                "BitmapMeasureType only support 1 parameter, got %d", 
functionDesc.getParameterCount());
 
         String returnType = functionDesc.getReturnDataType().getName();
-        checkArgument(DATATYPE_BITMAP.equals(returnType), "BitmapMeasureType's 
return type must be %s, got %s",
-                DATATYPE_BITMAP, returnType);
+        checkArgument(DATATYPE_BITMAP.equals(returnType),
+                "BitmapMeasureType's return type must be %s, got %s", 
DATATYPE_BITMAP, returnType);
     }
 
     @Override
@@ -103,8 +102,7 @@ public class BitmapMeasureType extends 
MeasureType<BitmapCounter> {
             BitmapCounter current = factory.newBitmap();
 
             @Override
-            public BitmapCounter valueOf(String[] values, MeasureDesc 
measureDesc,
-                    Map<TblColRef, Dictionary<String>> dictionaryMap) {
+            public BitmapCounter valueOf(String[] values, MeasureDesc 
measureDesc, Map<TblColRef, Dictionary<String>> dictionaryMap) {
                 checkArgument(values.length == 1, "expect 1 value, got %s", 
Arrays.toString(values));
 
                 current.clear();
@@ -127,8 +125,7 @@ public class BitmapMeasureType extends 
MeasureType<BitmapCounter> {
             }
 
             @Override
-            public BitmapCounter reEncodeDictionary(BitmapCounter value, 
MeasureDesc measureDesc,
-                    Map<TblColRef, Dictionary<String>> oldDicts, 
Map<TblColRef, Dictionary<String>> newDicts) {
+            public BitmapCounter reEncodeDictionary(BitmapCounter value, 
MeasureDesc measureDesc, Map<TblColRef, Dictionary<String>> oldDicts, 
Map<TblColRef, Dictionary<String>> newDicts) {
                 if (!needDictionaryColumn(measureDesc.getFunction())) {
                     return value;
                 }
@@ -185,7 +182,8 @@ public class BitmapMeasureType extends 
MeasureType<BitmapCounter> {
         return true;
     }
 
-    static final Map<String, Class<?>> UDAF_MAP = 
ImmutableMap.of(FUNC_COUNT_DISTINCT, BitmapDistinctCountAggFunc.class,
+    static final Map<String, Class<?>> UDAF_MAP = ImmutableMap.of(
+            FUNC_COUNT_DISTINCT, BitmapDistinctCountAggFunc.class,
             FUNC_INTERSECT_COUNT_DISTINCT, 
BitmapIntersectDistinctCountAggFunc.class);
 
     @Override

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapSerializer.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapSerializer.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapSerializer.java
index d990893..c1b260d 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapSerializer.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/BitmapSerializer.java
@@ -18,12 +18,12 @@
 
 package org.apache.kylin.measure.bitmap;
 
-import java.io.IOException;
-import java.nio.ByteBuffer;
-
 import org.apache.kylin.metadata.datatype.DataType;
 import org.apache.kylin.metadata.datatype.DataTypeSerializer;
 
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
 public class BitmapSerializer extends DataTypeSerializer<BitmapCounter> {
     private static final BitmapCounterFactory factory = 
RoaringBitmapCounterFactory.INSTANCE;
     private static final BitmapCounter DELEGATE = factory.newBitmap();

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/RoaringBitmapCounter.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/RoaringBitmapCounter.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/RoaringBitmapCounter.java
index 47571ad..eec45f2 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/RoaringBitmapCounter.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/RoaringBitmapCounter.java
@@ -18,6 +18,10 @@
 
 package org.apache.kylin.measure.bitmap;
 
+import org.apache.kylin.common.util.ByteBufferOutputStream;
+import org.roaringbitmap.buffer.ImmutableRoaringBitmap;
+import org.roaringbitmap.buffer.MutableRoaringBitmap;
+
 import java.io.DataOutputStream;
 import java.io.IOException;
 import java.io.Serializable;
@@ -25,10 +29,6 @@ import java.nio.BufferOverflowException;
 import java.nio.ByteBuffer;
 import java.util.Iterator;
 
-import org.apache.kylin.common.util.ByteBufferOutputStream;
-import org.roaringbitmap.buffer.ImmutableRoaringBitmap;
-import org.roaringbitmap.buffer.MutableRoaringBitmap;
-
 /**
  * A {@link BitmapCounter} based on roaring bitmap.
  */
@@ -134,7 +134,8 @@ public class RoaringBitmapCounter implements BitmapCounter, 
Serializable {
 
     @Override
     public boolean equals(Object obj) {
-        return (obj instanceof RoaringBitmapCounter) && 
bitmap.equals(((RoaringBitmapCounter) obj).bitmap);
+        return (obj instanceof RoaringBitmapCounter) &&
+                bitmap.equals(((RoaringBitmapCounter) obj).bitmap);
     }
 
     @Override

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/RoaringBitmapCounterFactory.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/RoaringBitmapCounterFactory.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/RoaringBitmapCounterFactory.java
index a4ad199..822afa2 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/RoaringBitmapCounterFactory.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/bitmap/RoaringBitmapCounterFactory.java
@@ -18,17 +18,16 @@
 
 package org.apache.kylin.measure.bitmap;
 
+import org.roaringbitmap.buffer.MutableRoaringBitmap;
+
 import java.io.IOException;
 import java.io.Serializable;
 import java.nio.ByteBuffer;
 
-import org.roaringbitmap.buffer.MutableRoaringBitmap;
-
 public class RoaringBitmapCounterFactory implements BitmapCounterFactory, 
Serializable {
     public static final BitmapCounterFactory INSTANCE = new 
RoaringBitmapCounterFactory();
 
-    private RoaringBitmapCounterFactory() {
-    }
+    private RoaringBitmapCounterFactory() {}
 
     @Override
     public BitmapCounter newBitmap() {

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/dim/DimCountDistinctMeasureType.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/dim/DimCountDistinctMeasureType.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/dim/DimCountDistinctMeasureType.java
index f3342cd..0b3fd94 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/dim/DimCountDistinctMeasureType.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/dim/DimCountDistinctMeasureType.java
@@ -80,8 +80,7 @@ public class DimCountDistinctMeasureType extends 
MeasureType<Object> {
         return false;
     }
 
-    static final Map<String, Class<?>> UDAF_MAP = ImmutableMap.<String, 
Class<?>> of(FunctionDesc.FUNC_COUNT_DISTINCT,
-            DimCountDistinctAggFunc.class);
+    static final Map<String, Class<?>> UDAF_MAP = ImmutableMap.<String, 
Class<?>> of(FunctionDesc.FUNC_COUNT_DISTINCT, DimCountDistinctAggFunc.class);
 
     @Override
     public Map<String, Class<?>> getRewriteCalciteAggrFunctions() {

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/extendedcolumn/ExtendedColumnMeasureType.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/extendedcolumn/ExtendedColumnMeasureType.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/extendedcolumn/ExtendedColumnMeasureType.java
index 29090c7..de5ee25 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/extendedcolumn/ExtendedColumnMeasureType.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/extendedcolumn/ExtendedColumnMeasureType.java
@@ -111,8 +111,7 @@ public class ExtendedColumnMeasureType extends 
MeasureType<ByteArray> {
     }
 
     @Override
-    public CapabilityResult.CapabilityInfluence 
influenceCapabilityCheck(Collection<TblColRef> unmatchedDimensions,
-            Collection<FunctionDesc> unmatchedAggregations, SQLDigest digest, 
MeasureDesc measureDesc) {
+    public CapabilityResult.CapabilityInfluence 
influenceCapabilityCheck(Collection<TblColRef> unmatchedDimensions, 
Collection<FunctionDesc> unmatchedAggregations, SQLDigest digest, MeasureDesc 
measureDesc) {
         TblColRef extendedCol = getExtendedColumn(measureDesc.getFunction());
 
         if (!unmatchedDimensions.contains(extendedCol)) {
@@ -137,11 +136,9 @@ public class ExtendedColumnMeasureType extends 
MeasureType<ByteArray> {
         return true;
     }
 
-    public IAdvMeasureFiller getAdvancedTupleFiller(FunctionDesc function, 
TupleInfo returnTupleInfo,
-            Map<TblColRef, Dictionary<String>> dictionaryMap) {
+    public IAdvMeasureFiller getAdvancedTupleFiller(FunctionDesc function, 
TupleInfo returnTupleInfo, Map<TblColRef, Dictionary<String>> dictionaryMap) {
         final TblColRef extended = getExtendedColumn(function);
-        final int extendedColumnInTupleIdx = 
returnTupleInfo.hasColumn(extended)
-                ? returnTupleInfo.getColumnIndex(extended) : -1;
+        final int extendedColumnInTupleIdx = 
returnTupleInfo.hasColumn(extended) ? returnTupleInfo.getColumnIndex(extended) 
: -1;
 
         if (extendedColumnInTupleIdx == -1) {
             throw new RuntimeException("Extended column is not required in 
returnTupleInfo");
@@ -211,8 +208,7 @@ public class ExtendedColumnMeasureType extends 
MeasureType<ByteArray> {
             }
 
             @Override
-            public ByteArray valueOf(String[] values, MeasureDesc measureDesc,
-                    Map<TblColRef, Dictionary<String>> dictionaryMap) {
+            public ByteArray valueOf(String[] values, MeasureDesc measureDesc, 
Map<TblColRef, Dictionary<String>> dictionaryMap) {
                 if (values.length <= 1)
                     throw new IllegalArgumentException();
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCMeasureType.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCMeasureType.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCMeasureType.java
index 8718869..51c5a66 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCMeasureType.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCMeasureType.java
@@ -95,12 +95,11 @@ public class HLLCMeasureType extends 
MeasureType<HLLCounter> {
     public MeasureIngester<HLLCounter> newIngester() {
         return new MeasureIngester<HLLCounter>() {
             private static final long serialVersionUID = 1L;
-
+            
             HLLCounter current = new HLLCounter(dataType.getPrecision());
 
             @Override
-            public HLLCounter valueOf(String[] values, MeasureDesc measureDesc,
-                    Map<TblColRef, Dictionary<String>> dictionaryMap) {
+            public HLLCounter valueOf(String[] values, MeasureDesc 
measureDesc, Map<TblColRef, Dictionary<String>> dictionaryMap) {
                 HLLCounter hllc = current;
                 hllc.clear();
                 if (values.length == 1) {
@@ -136,9 +135,8 @@ public class HLLCMeasureType extends 
MeasureType<HLLCounter> {
         return true;
     }
 
-    static final Map<String, Class<?>> UDAF_MAP = ImmutableMap.<String, 
Class<?>> of(FUNC_COUNT_DISTINCT,
-            HLLDistinctCountAggFunc.class);
-
+    static final Map<String, Class<?>> UDAF_MAP = ImmutableMap.<String, 
Class<?>> of(FUNC_COUNT_DISTINCT, HLLDistinctCountAggFunc.class);
+    
     @Override
     public Map<String, Class<?>> getRewriteCalciteAggrFunctions() {
         return UDAF_MAP;
@@ -147,5 +145,5 @@ public class HLLCMeasureType extends 
MeasureType<HLLCounter> {
     public static boolean isCountDistinct(FunctionDesc func) {
         return FUNC_COUNT_DISTINCT.equalsIgnoreCase(func.getExpression());
     }
-
+    
 }

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCSerializer.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCSerializer.java 
b/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCSerializer.java
index 8735ccb..df0cfaf 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCSerializer.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCSerializer.java
@@ -18,12 +18,12 @@
 
 package org.apache.kylin.measure.hllc;
 
-import java.io.IOException;
-import java.nio.ByteBuffer;
-
 import org.apache.kylin.metadata.datatype.DataType;
 import org.apache.kylin.metadata.datatype.DataTypeSerializer;
 
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
 /**
  * @author yangli9
  * 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCounter.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCounter.java 
b/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCounter.java
index 7ef06d4..b793465 100644
--- a/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCounter.java
+++ b/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCounter.java
@@ -18,6 +18,10 @@
 
 package org.apache.kylin.measure.hllc;
 
+import com.google.common.hash.HashFunction;
+import com.google.common.hash.Hashing;
+import org.apache.kylin.common.util.BytesUtil;
+
 import java.io.IOException;
 import java.io.Serializable;
 import java.nio.ByteBuffer;
@@ -25,11 +29,6 @@ import java.nio.charset.Charset;
 import java.util.Collection;
 import java.util.Map;
 
-import org.apache.kylin.common.util.BytesUtil;
-
-import com.google.common.hash.HashFunction;
-import com.google.common.hash.Hashing;
-
 @SuppressWarnings("serial")
 public class HLLCounter implements Serializable, Comparable<HLLCounter> {
 
@@ -100,7 +99,7 @@ public class HLLCounter implements Serializable, 
Comparable<HLLCounter> {
         add(hashFunc.hashBytes(value, offset, length).asLong());
     }
 
-    public void addHashDirectly(long hash) {
+    public void addHashDirectly(long hash){
         add(hash);
     }
 
@@ -142,36 +141,36 @@ public class HLLCounter implements Serializable, 
Comparable<HLLCounter> {
         assert this.p == another.p;
         assert this.hashFunc == another.hashFunc;
         switch (register.getRegisterType()) {
-        case SINGLE_VALUE:
-            switch (another.getRegisterType()) {
             case SINGLE_VALUE:
-                if (register.getSize() > 0 && another.register.getSize() > 0) {
-                    register = ((SingleValueRegister) register).toSparse();
-                } else {
-                    SingleValueRegister sr = (SingleValueRegister) 
another.register;
-                    if (sr.getSize() > 0)
-                        register.set(sr.getSingleValuePos(), sr.getValue());
-                    return;
+                switch (another.getRegisterType()) {
+                    case SINGLE_VALUE:
+                        if (register.getSize() > 0 && 
another.register.getSize() > 0) {
+                            register = ((SingleValueRegister) 
register).toSparse();
+                        } else {
+                            SingleValueRegister sr = (SingleValueRegister) 
another.register;
+                            if (sr.getSize() > 0)
+                                register.set(sr.getSingleValuePos(), 
sr.getValue());
+                            return;
+                        }
+                        break;
+                    case SPARSE:
+                        register = ((SingleValueRegister) register).toSparse();
+                        break;
+                    case DENSE:
+                        register = ((SingleValueRegister) 
register).toDense(this.p);
+                        break;
+                    default:
+                        break;
                 }
+
                 break;
             case SPARSE:
-                register = ((SingleValueRegister) register).toSparse();
-                break;
-            case DENSE:
-                register = ((SingleValueRegister) register).toDense(this.p);
+                if (another.getRegisterType() == RegisterType.DENSE) {
+                    register = ((SparseRegister) register).toDense(p);
+                }
                 break;
             default:
                 break;
-            }
-
-            break;
-        case SPARSE:
-            if (another.getRegisterType() == RegisterType.DENSE) {
-                register = ((SparseRegister) register).toDense(p);
-            }
-            break;
-        default:
-            break;
         }
         register.merge(another.register);
         toDenseIfNeeded();
@@ -253,8 +252,7 @@ public class HLLCounter implements Serializable, 
Comparable<HLLCounter> {
             double er2 = Math.round(rate * 2 * 10000) / 100D;
             double er3 = Math.round(rate * 3 * 10000) / 100D;
             long size = Math.round(Math.pow(2, p));
-            System.out.println("HLLC" + p + ",\t" + size + " bytes,\t68% err<" 
+ er + "%" + ",\t95% err<" + er2 + "%"
-                    + ",\t99.7% err<" + er3 + "%");
+            System.out.println("HLLC" + p + ",\t" + size + " bytes,\t68% err<" 
+ er + "%" + ",\t95% err<" + er2 + "%" + ",\t99.7% err<" + er3 + "%");
         }
     }
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCounterOld.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCounterOld.java 
b/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCounterOld.java
index 494e173..5cbdd43 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCounterOld.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLCounterOld.java
@@ -294,7 +294,7 @@ public class HLLCounterOld implements Serializable, 
Comparable<HLLCounterOld> {
     /*public void writeRegistersArray(final ByteBuffer out) {
         out.put(this.registers);
     }
-    
+
     public void readRegistersArray(ByteBuffer in) {
         in.get(registers, 0, m);
         singleBucket = Integer.MIN_VALUE;
@@ -362,8 +362,7 @@ public class HLLCounterOld implements Serializable, 
Comparable<HLLCounterOld> {
             double er2 = Math.round(rate * 2 * 10000) / 100D;
             double er3 = Math.round(rate * 3 * 10000) / 100D;
             long size = Math.round(Math.pow(2, p));
-            System.out.println("HLLC" + p + ",\t" + size + " bytes,\t68% err<" 
+ er + "%" + ",\t95% err<" + er2 + "%"
-                    + ",\t99.7% err<" + er3 + "%");
+            System.out.println("HLLC" + p + ",\t" + size + " bytes,\t68% err<" 
+ er + "%" + ",\t95% err<" + er2 + "%" + ",\t99.7% err<" + er3 + "%");
         }
     }
 

http://git-wip-us.apache.org/repos/asf/kylin/blob/19585846/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLDistinctCountAggFunc.java
----------------------------------------------------------------------
diff --git 
a/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLDistinctCountAggFunc.java
 
b/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLDistinctCountAggFunc.java
index 7c062f8..c635cd6 100644
--- 
a/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLDistinctCountAggFunc.java
+++ 
b/core-metadata/src/main/java/org/apache/kylin/measure/hllc/HLLDistinctCountAggFunc.java
@@ -91,8 +91,7 @@ public class HLLDistinctCountAggFunc {
             } else {
                 long oldValue = Math.abs(this.value.longValue());
                 long take = Math.max(oldValue, value);
-                logger.warn("Error to aggregate holistic count distinct, old 
value " + oldValue + ", new value " + value
-                        + ", taking " + take);
+                logger.warn("Error to aggregate holistic count distinct, old 
value " + oldValue + ", new value " + value + ", taking " + take);
                 this.value = -take; // make it obvious that this value is wrong
             }
         }

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