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Posted to commits@rocketmq.apache.org by yu...@apache.org on 2017/08/11 12:51:03 UTC

[7/9] incubator-rocketmq git commit: Reformat code globally second time

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/client/src/test/java/org/apache/rocketmq/client/producer/DefaultMQProducerTest.java
----------------------------------------------------------------------
diff --git a/client/src/test/java/org/apache/rocketmq/client/producer/DefaultMQProducerTest.java b/client/src/test/java/org/apache/rocketmq/client/producer/DefaultMQProducerTest.java
index 2f035e0..1ae6f2f 100644
--- a/client/src/test/java/org/apache/rocketmq/client/producer/DefaultMQProducerTest.java
+++ b/client/src/test/java/org/apache/rocketmq/client/producer/DefaultMQProducerTest.java
@@ -149,13 +149,16 @@ public class DefaultMQProducerTest {
         final Throwable[] assertionErrors = new Throwable[1];
         final CountDownLatch countDownLatch = new CountDownLatch(2);
         producer.getDefaultMQProducerImpl().registerSendMessageHook(new SendMessageHook() {
-            @Override public String hookName() {
+            @Override
+            public String hookName() {
                 return "TestHook";
             }
 
-            @Override public void sendMessageBefore(final SendMessageContext context) {
+            @Override
+            public void sendMessageBefore(final SendMessageContext context) {
                 assertionErrors[0] = assertInOtherThread(new Runnable() {
-                    @Override public void run() {
+                    @Override
+                    public void run() {
                         assertThat(context.getMessage()).isEqualTo(message);
                         assertThat(context.getProducer()).isEqualTo(producer);
                         assertThat(context.getCommunicationMode()).isEqualTo(CommunicationMode.SYNC);
@@ -165,9 +168,11 @@ public class DefaultMQProducerTest {
                 countDownLatch.countDown();
             }
 
-            @Override public void sendMessageAfter(final SendMessageContext context) {
+            @Override
+            public void sendMessageAfter(final SendMessageContext context) {
                 assertionErrors[0] = assertInOtherThread(new Runnable() {
-                    @Override public void run() {
+                    @Override
+                    public void run() {
                         assertThat(context.getMessage()).isEqualTo(message);
                         assertThat(context.getProducer()).isEqualTo(producer.getDefaultMQProducerImpl());
                         assertThat(context.getCommunicationMode()).isEqualTo(CommunicationMode.SYNC);
@@ -229,7 +234,8 @@ public class DefaultMQProducerTest {
     private Throwable assertInOtherThread(final Runnable runnable) {
         final Throwable[] assertionErrors = new Throwable[1];
         Thread thread = new Thread(new Runnable() {
-            @Override public void run() {
+            @Override
+            public void run() {
                 try {
                     runnable.run();
                 } catch (AssertionError e) {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/BrokerConfig.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/BrokerConfig.java b/common/src/main/java/org/apache/rocketmq/common/BrokerConfig.java
index f22729c..9a208a3 100644
--- a/common/src/main/java/org/apache/rocketmq/common/BrokerConfig.java
+++ b/common/src/main/java/org/apache/rocketmq/common/BrokerConfig.java
@@ -54,7 +54,8 @@ public class BrokerConfig {
     private String messageStorePlugIn = "";
 
     /**
-     * thread numbers for send message thread pool, since spin lock will be used by default since 4.0.x, the default value is 1.
+     * thread numbers for send message thread pool, since spin lock will be used by default since 4.0.x, the default
+     * value is 1.
      */
     private int sendMessageThreadPoolNums = 1; //16 + Runtime.getRuntime().availableProcessors() * 4;
     private int pullMessageThreadPoolNums = 16 + Runtime.getRuntime().availableProcessors() * 2;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/Configuration.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/Configuration.java b/common/src/main/java/org/apache/rocketmq/common/Configuration.java
index d0c7aef..802f6ee 100644
--- a/common/src/main/java/org/apache/rocketmq/common/Configuration.java
+++ b/common/src/main/java/org/apache/rocketmq/common/Configuration.java
@@ -65,7 +65,6 @@ public class Configuration {
     /**
      * register config object
      *
-     * @param configObject
      * @return the current Configuration object
      */
     public Configuration registerConfig(Object configObject) {
@@ -91,7 +90,6 @@ public class Configuration {
     /**
      * register config properties
      *
-     * @param extProperties
      * @return the current Configuration object
      */
     public Configuration registerConfig(Properties extProperties) {
@@ -117,8 +115,6 @@ public class Configuration {
     /**
      * The store path will be gotten from the field of object.
      *
-     * @param object
-     * @param fieldName
      * @throws java.lang.RuntimeException if the field of object is not exist.
      */
     public void setStorePathFromConfig(Object object, String fieldName) {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/CountDownLatch2.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/CountDownLatch2.java b/common/src/main/java/org/apache/rocketmq/common/CountDownLatch2.java
index cb39032..de1d548 100644
--- a/common/src/main/java/org/apache/rocketmq/common/CountDownLatch2.java
+++ b/common/src/main/java/org/apache/rocketmq/common/CountDownLatch2.java
@@ -29,7 +29,8 @@ public class CountDownLatch2 {
     /**
      * Constructs a {@code CountDownLatch2} initialized with the given count.
      *
-     * @param count the number of times {@link #countDown} must be invoked before threads can pass through {@link #await}
+     * @param count the number of times {@link #countDown} must be invoked before threads can pass through {@link
+     * #await}
      * @throws IllegalArgumentException if {@code count} is negative
      */
     public CountDownLatch2(int count) {
@@ -104,7 +105,8 @@ public class CountDownLatch2 {
      *
      * @param timeout the maximum time to wait
      * @param unit the time unit of the {@code timeout} argument
-     * @return {@code true} if the count reached zero and {@code false} if the waiting time elapsed before the count reached zero
+     * @return {@code true} if the count reached zero and {@code false} if the waiting time elapsed before the count
+     * reached zero
      * @throws InterruptedException if the current thread is interrupted while waiting
      */
     public boolean await(long timeout, TimeUnit unit)
@@ -176,7 +178,7 @@ public class CountDownLatch2 {
 
         protected boolean tryReleaseShared(int releases) {
             // Decrement count; signal when transition to zero
-            for (;;) {
+            for (; ; ) {
                 int c = getState();
                 if (c == 0)
                     return false;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/DataVersion.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/DataVersion.java b/common/src/main/java/org/apache/rocketmq/common/DataVersion.java
index e47a9b3..71b00fd 100644
--- a/common/src/main/java/org/apache/rocketmq/common/DataVersion.java
+++ b/common/src/main/java/org/apache/rocketmq/common/DataVersion.java
@@ -74,7 +74,7 @@ public class DataVersion extends RemotingSerializable {
         int result = (int) (timestamp ^ (timestamp >>> 32));
         if (null != counter) {
             long l = counter.get();
-            result = 31 * result + (int)(l ^ (l >>> 32));
+            result = 31 * result + (int) (l ^ (l >>> 32));
         }
         return result;
     }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/MixAll.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/MixAll.java b/common/src/main/java/org/apache/rocketmq/common/MixAll.java
index f8e9b4e..d72681f 100644
--- a/common/src/main/java/org/apache/rocketmq/common/MixAll.java
+++ b/common/src/main/java/org/apache/rocketmq/common/MixAll.java
@@ -58,8 +58,8 @@ public class MixAll {
     public static final String DEFAULT_NAMESRV_ADDR_LOOKUP = "jmenv.tbsite.net";
     public static final String WS_DOMAIN_NAME = System.getProperty("rocketmq.namesrv.domain", DEFAULT_NAMESRV_ADDR_LOOKUP);
     public static final String WS_DOMAIN_SUBGROUP = System.getProperty("rocketmq.namesrv.domain.subgroup", "nsaddr");
-//    // http://jmenv.tbsite.net:8080/rocketmq/nsaddr
-//    public static final String WS_ADDR = "http://" + WS_DOMAIN_NAME + ":8080/rocketmq/" + WS_DOMAIN_SUBGROUP;
+    //http://jmenv.tbsite.net:8080/rocketmq/nsaddr
+    //public static final String WS_ADDR = "http://" + WS_DOMAIN_NAME + ":8080/rocketmq/" + WS_DOMAIN_SUBGROUP;
     public static final String DEFAULT_TOPIC = "TBW102";
     public static final String BENCHMARK_TOPIC = "BenchmarkTest";
     public static final String DEFAULT_PRODUCER_GROUP = "DEFAULT_PRODUCER";
@@ -169,7 +169,6 @@ public class MixAll {
         file.renameTo(new File(fileName));
     }
 
-
     public static void string2FileNotSafe(final String str, final String fileName) throws IOException {
         File file = new File(fileName);
         File fileParent = file.getParentFile();
@@ -250,7 +249,8 @@ public class MixAll {
         printObjectProperties(logger, object, false);
     }
 
-    public static void printObjectProperties(final Logger logger, final Object object, final boolean onlyImportantField) {
+    public static void printObjectProperties(final Logger logger, final Object object,
+        final boolean onlyImportantField) {
         Field[] fields = object.getClass().getDeclaredFields();
         for (Field field : fields) {
             if (!Modifier.isStatic(field.getModifiers())) {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/ServiceThread.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/ServiceThread.java b/common/src/main/java/org/apache/rocketmq/common/ServiceThread.java
index 7b96880..bf7e724 100644
--- a/common/src/main/java/org/apache/rocketmq/common/ServiceThread.java
+++ b/common/src/main/java/org/apache/rocketmq/common/ServiceThread.java
@@ -65,7 +65,7 @@ public abstract class ServiceThread implements Runnable {
             }
             long eclipseTime = System.currentTimeMillis() - beginTime;
             log.info("join thread " + this.getServiceName() + " eclipse time(ms) " + eclipseTime + " "
-                    + this.getJointime());
+                + this.getJointime());
         } catch (InterruptedException e) {
             log.error("Interrupted", e);
         }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/UtilAll.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/UtilAll.java b/common/src/main/java/org/apache/rocketmq/common/UtilAll.java
index 5f5a339..9ed8ab8 100644
--- a/common/src/main/java/org/apache/rocketmq/common/UtilAll.java
+++ b/common/src/main/java/org/apache/rocketmq/common/UtilAll.java
@@ -209,7 +209,6 @@ public class UtilAll {
         return -1;
     }
 
-
     public static int crc32(byte[] array) {
         if (array != null) {
             return crc32(array, 0, array.length);
@@ -218,7 +217,6 @@ public class UtilAll {
         return 0;
     }
 
-
     public static int crc32(byte[] array, int offset, int length) {
         CRC32 crc32 = new CRC32();
         crc32.update(array, offset, length);

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/consistenthash/ConsistentHashRouter.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/consistenthash/ConsistentHashRouter.java b/common/src/main/java/org/apache/rocketmq/common/consistenthash/ConsistentHashRouter.java
index a6fce51..fca1d87 100644
--- a/common/src/main/java/org/apache/rocketmq/common/consistenthash/ConsistentHashRouter.java
+++ b/common/src/main/java/org/apache/rocketmq/common/consistenthash/ConsistentHashRouter.java
@@ -25,20 +25,18 @@ import java.util.TreeMap;
 
 /**
  * To hash Node objects to a hash ring with a certain amount of virtual node.
- * Method routeNode will return a Node instance which the object key should be allocated to according to consistent hash algorithm
- *
- * @param <T>
+ * Method routeNode will return a Node instance which the object key should be allocated to according to consistent hash
+ * algorithm
  */
 public class ConsistentHashRouter<T extends Node> {
     private final SortedMap<Long, VirtualNode<T>> ring = new TreeMap<Long, VirtualNode<T>>();
     private final HashFunction hashFunction;
 
     public ConsistentHashRouter(Collection<T> pNodes, int vNodeCount) {
-        this(pNodes,vNodeCount, new MD5Hash());
+        this(pNodes, vNodeCount, new MD5Hash());
     }
 
     /**
-     *
      * @param pNodes collections of physical nodes
      * @param vNodeCount amounts of virtual nodes
      * @param hashFunction hash Function to hash Node instances
@@ -57,11 +55,13 @@ public class ConsistentHashRouter<T extends Node> {
 
     /**
      * add physic node to the hash ring with some virtual nodes
+     *
      * @param pNode physical node needs added to hash ring
      * @param vNodeCount the number of virtual node of the physical node. Value should be greater than or equals to 0
      */
     public void addNode(T pNode, int vNodeCount) {
-        if (vNodeCount < 0) throw new IllegalArgumentException("illegal virtual node counts :" + vNodeCount);
+        if (vNodeCount < 0)
+            throw new IllegalArgumentException("illegal virtual node counts :" + vNodeCount);
         int existingReplicas = getExistingReplicas(pNode);
         for (int i = 0; i < vNodeCount; i++) {
             VirtualNode<T> vNode = new VirtualNode<T>(pNode, i + existingReplicas);
@@ -71,7 +71,6 @@ public class ConsistentHashRouter<T extends Node> {
 
     /**
      * remove the physical node from the hash ring
-     * @param pNode
      */
     public void removeNode(T pNode) {
         Iterator<Long> it = ring.keySet().iterator();
@@ -86,20 +85,19 @@ public class ConsistentHashRouter<T extends Node> {
 
     /**
      * with a specified key, route the nearest Node instance in the current hash ring
+     *
      * @param objectKey the object key to find a nearest Node
-     * @return
      */
     public T routeNode(String objectKey) {
         if (ring.isEmpty()) {
             return null;
         }
         Long hashVal = hashFunction.hash(objectKey);
-        SortedMap<Long,VirtualNode<T>> tailMap = ring.tailMap(hashVal);
+        SortedMap<Long, VirtualNode<T>> tailMap = ring.tailMap(hashVal);
         Long nodeHashVal = !tailMap.isEmpty() ? tailMap.firstKey() : ring.firstKey();
         return ring.get(nodeHashVal).getPhysicalNode();
     }
 
-
     public int getExistingReplicas(T pNode) {
         int replicas = 0;
         for (VirtualNode<T> vNode : ring.values()) {
@@ -110,7 +108,6 @@ public class ConsistentHashRouter<T extends Node> {
         return replicas;
     }
 
-    
     //default hash function
     private static class MD5Hash implements HashFunction {
         MessageDigest instance;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/consistenthash/Node.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/consistenthash/Node.java b/common/src/main/java/org/apache/rocketmq/common/consistenthash/Node.java
index 0ece210..192600b 100644
--- a/common/src/main/java/org/apache/rocketmq/common/consistenthash/Node.java
+++ b/common/src/main/java/org/apache/rocketmq/common/consistenthash/Node.java
@@ -21,7 +21,6 @@ package org.apache.rocketmq.common.consistenthash;
  */
 public interface Node {
     /**
-     *
      * @return the key which will be used for hash mapping
      */
     String getKey();

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/consistenthash/VirtualNode.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/consistenthash/VirtualNode.java b/common/src/main/java/org/apache/rocketmq/common/consistenthash/VirtualNode.java
index c8b72d9..c086c01 100644
--- a/common/src/main/java/org/apache/rocketmq/common/consistenthash/VirtualNode.java
+++ b/common/src/main/java/org/apache/rocketmq/common/consistenthash/VirtualNode.java
@@ -16,7 +16,6 @@
  */
 package org.apache.rocketmq.common.consistenthash;
 
-
 public class VirtualNode<T extends Node> implements Node {
     final T physicalNode;
     final int replicaIndex;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/filter/FilterAPI.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/filter/FilterAPI.java b/common/src/main/java/org/apache/rocketmq/common/filter/FilterAPI.java
index fc8525c..9268a6e 100644
--- a/common/src/main/java/org/apache/rocketmq/common/filter/FilterAPI.java
+++ b/common/src/main/java/org/apache/rocketmq/common/filter/FilterAPI.java
@@ -65,7 +65,7 @@ public class FilterAPI {
     }
 
     public static SubscriptionData build(final String topic, final String subString,
-                                         final String type) throws Exception {
+        final String type) throws Exception {
         if (ExpressionType.TAG.equals(type) || type == null) {
             return buildSubscriptionData(null, topic, subString);
         }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/filter/impl/PolishExpr.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/filter/impl/PolishExpr.java b/common/src/main/java/org/apache/rocketmq/common/filter/impl/PolishExpr.java
index 56e94e4..cdc6187 100644
--- a/common/src/main/java/org/apache/rocketmq/common/filter/impl/PolishExpr.java
+++ b/common/src/main/java/org/apache/rocketmq/common/filter/impl/PolishExpr.java
@@ -35,7 +35,6 @@ public class PolishExpr {
      * Shunting-yard algorithm <br/>
      * http://en.wikipedia.org/wiki/Shunting_yard_algorithm
      *
-     * @param tokens
      * @return the compute result of Shunting-yard algorithm
      */
     public static List<Op> reversePolish(List<Op> tokens) {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/message/MessageDecoder.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/message/MessageDecoder.java b/common/src/main/java/org/apache/rocketmq/common/message/MessageDecoder.java
index e41ec9d..2d7bcbb 100644
--- a/common/src/main/java/org/apache/rocketmq/common/message/MessageDecoder.java
+++ b/common/src/main/java/org/apache/rocketmq/common/message/MessageDecoder.java
@@ -98,7 +98,6 @@ public class MessageDecoder {
      * Just decode properties from msg buffer.
      *
      * @param byteBuffer msg commit log buffer.
-     * @return
      */
     public static Map<String, String> decodeProperties(java.nio.ByteBuffer byteBuffer) {
         int topicLengthPosition = BODY_SIZE_POSITION + 4 + byteBuffer.getInt(BODY_SIZE_POSITION);
@@ -239,8 +238,6 @@ public class MessageDecoder {
         return byteBuffer.array();
     }
 
-
-
     public static MessageExt decode(
         java.nio.ByteBuffer byteBuffer, final boolean readBody, final boolean deCompressBody) {
         return decode(byteBuffer, readBody, deCompressBody, false);
@@ -414,7 +411,6 @@ public class MessageDecoder {
         return map;
     }
 
-
     public static byte[] encodeMessage(Message message) {
         //only need flag, body, properties
         byte[] body = message.getBody();
@@ -488,9 +484,9 @@ public class MessageDecoder {
 
     public static byte[] encodeMessages(List<Message> messages) {
         //TO DO refactor, accumulate in one buffer, avoid copies
-        List<byte[]>  encodedMessages = new ArrayList<byte[]>(messages.size());
+        List<byte[]> encodedMessages = new ArrayList<byte[]>(messages.size());
         int allSize = 0;
-        for (Message message: messages) {
+        for (Message message : messages) {
             byte[] tmp = encodeMessage(message);
             encodedMessages.add(tmp);
             allSize += tmp.length;
@@ -504,7 +500,6 @@ public class MessageDecoder {
         return allBytes;
     }
 
-
     public static List<Message> decodeMessages(ByteBuffer byteBuffer) throws Exception {
         //TO DO add a callback for processing,  avoid creating lists
         List<Message> msgs = new ArrayList<Message>();

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/message/MessageExtBatch.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/message/MessageExtBatch.java b/common/src/main/java/org/apache/rocketmq/common/message/MessageExtBatch.java
index 352ab37..a2713cb 100644
--- a/common/src/main/java/org/apache/rocketmq/common/message/MessageExtBatch.java
+++ b/common/src/main/java/org/apache/rocketmq/common/message/MessageExtBatch.java
@@ -6,13 +6,13 @@
  * (the "License"); you may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
  *
- *     http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
  *
- *  Unless required by applicable law or agreed to in writing, software
- *  distributed under the License is distributed on an "AS IS" BASIS,
- *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- *  See the License for the specific language governing permissions and
- *  limitations under the License.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
  */
 
 package org.apache.rocketmq.common.message;
@@ -23,13 +23,11 @@ public class MessageExtBatch extends MessageExt {
 
     private static final long serialVersionUID = -2353110995348498537L;
 
-
     public ByteBuffer wrap() {
         assert getBody() != null;
-        return  ByteBuffer.wrap(getBody(), 0, getBody().length);
+        return ByteBuffer.wrap(getBody(), 0, getBody().length);
     }
 
-
     private ByteBuffer encodedBuff;
 
     public ByteBuffer getEncodedBuff() {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/protocol/RequestCode.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/protocol/RequestCode.java b/common/src/main/java/org/apache/rocketmq/common/protocol/RequestCode.java
index 6f132f7..5900c0b 100644
--- a/common/src/main/java/org/apache/rocketmq/common/protocol/RequestCode.java
+++ b/common/src/main/java/org/apache/rocketmq/common/protocol/RequestCode.java
@@ -162,7 +162,6 @@ public class RequestCode {
      */
     public static final int GET_NAMESRV_CONFIG = 319;
 
-
     public static final int SEND_BATCH_MESSAGE = 320;
 
     public static final int QUERY_CONSUME_QUEUE = 321;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/protocol/header/SearchOffsetRequestHeader.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/protocol/header/SearchOffsetRequestHeader.java b/common/src/main/java/org/apache/rocketmq/common/protocol/header/SearchOffsetRequestHeader.java
index 3685ef9..5ea2e24 100644
--- a/common/src/main/java/org/apache/rocketmq/common/protocol/header/SearchOffsetRequestHeader.java
+++ b/common/src/main/java/org/apache/rocketmq/common/protocol/header/SearchOffsetRequestHeader.java
@@ -35,7 +35,6 @@ public class SearchOffsetRequestHeader implements CommandCustomHeader {
     @Override
     public void checkFields() throws RemotingCommandException {
 
-
     }
 
     public String getTopic() {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/protocol/header/SendMessageRequestHeaderV2.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/protocol/header/SendMessageRequestHeaderV2.java b/common/src/main/java/org/apache/rocketmq/common/protocol/header/SendMessageRequestHeaderV2.java
index 757ef0c..4e0098b 100644
--- a/common/src/main/java/org/apache/rocketmq/common/protocol/header/SendMessageRequestHeaderV2.java
+++ b/common/src/main/java/org/apache/rocketmq/common/protocol/header/SendMessageRequestHeaderV2.java
@@ -54,7 +54,6 @@ public class SendMessageRequestHeaderV2 implements CommandCustomHeader {
     @CFNullable
     private boolean m; //batch
 
-
     public static SendMessageRequestHeader createSendMessageRequestHeaderV1(final SendMessageRequestHeaderV2 v2) {
         SendMessageRequestHeader v1 = new SendMessageRequestHeader();
         v1.setProducerGroup(v2.a);

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/protocol/header/UnregisterClientRequestHeader.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/protocol/header/UnregisterClientRequestHeader.java b/common/src/main/java/org/apache/rocketmq/common/protocol/header/UnregisterClientRequestHeader.java
index 95e18d0..bb0a462 100644
--- a/common/src/main/java/org/apache/rocketmq/common/protocol/header/UnregisterClientRequestHeader.java
+++ b/common/src/main/java/org/apache/rocketmq/common/protocol/header/UnregisterClientRequestHeader.java
@@ -58,6 +58,5 @@ public class UnregisterClientRequestHeader implements CommandCustomHeader {
     @Override
     public void checkFields() throws RemotingCommandException {
 
-
     }
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/protocol/header/UnregisterClientResponseHeader.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/protocol/header/UnregisterClientResponseHeader.java b/common/src/main/java/org/apache/rocketmq/common/protocol/header/UnregisterClientResponseHeader.java
index f61f0cd..38fb87a 100644
--- a/common/src/main/java/org/apache/rocketmq/common/protocol/header/UnregisterClientResponseHeader.java
+++ b/common/src/main/java/org/apache/rocketmq/common/protocol/header/UnregisterClientResponseHeader.java
@@ -25,7 +25,6 @@ public class UnregisterClientResponseHeader implements CommandCustomHeader {
     @Override
     public void checkFields() throws RemotingCommandException {
 
-
     }
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/protocol/heartbeat/MessageModel.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/protocol/heartbeat/MessageModel.java b/common/src/main/java/org/apache/rocketmq/common/protocol/heartbeat/MessageModel.java
index ff94bb4..defe676 100644
--- a/common/src/main/java/org/apache/rocketmq/common/protocol/heartbeat/MessageModel.java
+++ b/common/src/main/java/org/apache/rocketmq/common/protocol/heartbeat/MessageModel.java
@@ -22,7 +22,6 @@ package org.apache.rocketmq.common.protocol.heartbeat;
 
 /**
  * Message model
- *
  */
 public enum MessageModel {
     /**

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/sysflag/TopicSysFlag.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/sysflag/TopicSysFlag.java b/common/src/main/java/org/apache/rocketmq/common/sysflag/TopicSysFlag.java
index 8fd8628..cc23ff1 100644
--- a/common/src/main/java/org/apache/rocketmq/common/sysflag/TopicSysFlag.java
+++ b/common/src/main/java/org/apache/rocketmq/common/sysflag/TopicSysFlag.java
@@ -16,7 +16,6 @@
  */
 package org.apache.rocketmq.common.sysflag;
 
-
 public class TopicSysFlag {
 
     private final static int FLAG_UNIT = 0x1 << 0;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/utils/HttpTinyClient.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/utils/HttpTinyClient.java b/common/src/main/java/org/apache/rocketmq/common/utils/HttpTinyClient.java
index 37bf999..85afc0a 100755
--- a/common/src/main/java/org/apache/rocketmq/common/utils/HttpTinyClient.java
+++ b/common/src/main/java/org/apache/rocketmq/common/utils/HttpTinyClient.java
@@ -90,13 +90,7 @@ public class HttpTinyClient {
     }
 
     /**
-     * @param url
-     * @param headers
-     * @param paramValues
-     * @param encoding
-     * @param readTimeoutMs
      * @return the http response of given http post request
-     * @throws java.io.IOException
      */
     static public HttpResult httpPost(String url, List<String> headers, List<String> paramValues,
         String encoding, long readTimeoutMs) throws IOException {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/main/java/org/apache/rocketmq/common/utils/IOTinyUtils.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/utils/IOTinyUtils.java b/common/src/main/java/org/apache/rocketmq/common/utils/IOTinyUtils.java
index e43ae41..5ed82ae 100644
--- a/common/src/main/java/org/apache/rocketmq/common/utils/IOTinyUtils.java
+++ b/common/src/main/java/org/apache/rocketmq/common/utils/IOTinyUtils.java
@@ -60,7 +60,7 @@ public class IOTinyUtils {
         BufferedReader reader = toBufferedReader(input);
         List<String> list = new ArrayList<String>();
         String line;
-        for (;;) {
+        for (; ; ) {
             line = reader.readLine();
             if (null != line) {
                 list.add(line);
@@ -114,7 +114,6 @@ public class IOTinyUtils {
         fileOrDir.delete();
     }
 
-
     public static void cleanDirectory(File directory) throws IOException {
         if (!directory.exists()) {
             String message = directory + " does not exist";

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/test/java/org/apache/rocketmq/common/MQVersionTest.java
----------------------------------------------------------------------
diff --git a/common/src/test/java/org/apache/rocketmq/common/MQVersionTest.java b/common/src/test/java/org/apache/rocketmq/common/MQVersionTest.java
index ac6269f..51856b8 100644
--- a/common/src/test/java/org/apache/rocketmq/common/MQVersionTest.java
+++ b/common/src/test/java/org/apache/rocketmq/common/MQVersionTest.java
@@ -18,6 +18,7 @@
 package org.apache.rocketmq.common;
 
 import org.junit.Test;
+
 import static org.assertj.core.api.Assertions.assertThat;
 
 public class MQVersionTest {
@@ -39,7 +40,6 @@ public class MQVersionTest {
         assertThat(MQVersion.value2Version(0)).isEqualTo(MQVersion.Version.V3_0_0_SNAPSHOT);
     }
 
-
     @Test
     public void testValue2Version_HigherVersion() throws Exception {
         assertThat(MQVersion.value2Version(Integer.MAX_VALUE)).isEqualTo(MQVersion.Version.HIGHER_VERSION);

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/test/java/org/apache/rocketmq/common/MessageBatchTest.java
----------------------------------------------------------------------
diff --git a/common/src/test/java/org/apache/rocketmq/common/MessageBatchTest.java b/common/src/test/java/org/apache/rocketmq/common/MessageBatchTest.java
index 1e406d2..f264420 100644
--- a/common/src/test/java/org/apache/rocketmq/common/MessageBatchTest.java
+++ b/common/src/test/java/org/apache/rocketmq/common/MessageBatchTest.java
@@ -25,7 +25,6 @@ import org.junit.Test;
 
 public class MessageBatchTest {
 
-
     public List<Message> generateMessages() {
         List<Message> messages = new ArrayList<Message>();
         Message message1 = new Message("topic1", "body".getBytes());
@@ -37,32 +36,34 @@ public class MessageBatchTest {
     }
 
     @Test
-    public void testGenerate_OK() throws Exception{
+    public void testGenerate_OK() throws Exception {
         List<Message> messages = generateMessages();
         MessageBatch.generateFromList(messages);
     }
 
     @Test(expected = UnsupportedOperationException.class)
-    public void testGenerate_DiffTopic() throws Exception{
+    public void testGenerate_DiffTopic() throws Exception {
         List<Message> messages = generateMessages();
         messages.get(1).setTopic("topic2");
         MessageBatch.generateFromList(messages);
     }
 
     @Test(expected = UnsupportedOperationException.class)
-    public void testGenerate_DiffWaitOK() throws Exception{
+    public void testGenerate_DiffWaitOK() throws Exception {
         List<Message> messages = generateMessages();
         messages.get(1).setWaitStoreMsgOK(false);
         MessageBatch.generateFromList(messages);
     }
+
     @Test(expected = UnsupportedOperationException.class)
-    public void testGenerate_Delay() throws Exception{
+    public void testGenerate_Delay() throws Exception {
         List<Message> messages = generateMessages();
         messages.get(1).setDelayTimeLevel(1);
         MessageBatch.generateFromList(messages);
     }
+
     @Test(expected = UnsupportedOperationException.class)
-    public void testGenerate_Retry() throws Exception{
+    public void testGenerate_Retry() throws Exception {
         List<Message> messages = generateMessages();
         messages.get(1).setTopic(MixAll.RETRY_GROUP_TOPIC_PREFIX + "topic");
         MessageBatch.generateFromList(messages);

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/common/src/test/java/org/apache/rocketmq/common/filter/FilterAPITest.java
----------------------------------------------------------------------
diff --git a/common/src/test/java/org/apache/rocketmq/common/filter/FilterAPITest.java b/common/src/test/java/org/apache/rocketmq/common/filter/FilterAPITest.java
index c5f8460..81ed971 100644
--- a/common/src/test/java/org/apache/rocketmq/common/filter/FilterAPITest.java
+++ b/common/src/test/java/org/apache/rocketmq/common/filter/FilterAPITest.java
@@ -35,7 +35,7 @@ public class FilterAPITest {
             FilterAPI.buildSubscriptionData(group, topic, subString);
         assertThat(subscriptionData.getTopic()).isEqualTo(topic);
         assertThat(subscriptionData.getSubString()).isEqualTo(subString);
-        String [] tags = subString.split("\\|\\|");
+        String[] tags = subString.split("\\|\\|");
         Set<String> tagSet = new HashSet<String>();
         for (String tag : tags) {
             tagSet.add(tag.trim());

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/bin/mqadmin.xml
----------------------------------------------------------------------
diff --git a/distribution/bin/mqadmin.xml b/distribution/bin/mqadmin.xml
index d014743..0f07da4 100644
--- a/distribution/bin/mqadmin.xml
+++ b/distribution/bin/mqadmin.xml
@@ -16,28 +16,28 @@
   -->
 
 <java>
-	<debug>false</debug>
+    <debug>false</debug>
 
-	<javahome>${JAVA_HOME}</javahome>
+    <javahome>${JAVA_HOME}</javahome>
 
-	<jvmtype>server</jvmtype>
+    <jvmtype>server</jvmtype>
 
-	<mainclass>org.apache.rocketmq.tools.command.MQAdminStartup</mainclass>
+    <mainclass>org.apache.rocketmq.tools.command.MQAdminStartup</mainclass>
 
-	<properties>
-		<java.ext.dirs>${cpd}/../lib</java.ext.dirs>
-		<rocketmq.home.dir>${cpd}/..</rocketmq.home.dir>
-	</properties>
+    <properties>
+        <java.ext.dirs>${cpd}/../lib</java.ext.dirs>
+        <rocketmq.home.dir>${cpd}/..</rocketmq.home.dir>
+    </properties>
 
-	<classpaths>
-	</classpaths>
+    <classpaths>
+    </classpaths>
 
-	<options>
-		<-Xms512m></-Xms512m>
-		<-Xmx1g></-Xmx1g>
-		<-XX:NewSize>256M</-XX:NewSize>
-		<-XX:MaxNewSize>512M</-XX:MaxNewSize>
-		<-XX:PermSize>128M</-XX:PermSize>
-		<-XX:MaxPermSize>128M</-XX:MaxPermSize>
-	</options>
+    <options>
+        <-Xms512m></-Xms512m>
+        <-Xmx1g></-Xmx1g>
+        <-XX:NewSize>256M</-XX:NewSize>
+        <-XX:MaxNewSize>512M</-XX:MaxNewSize>
+        <-XX:PermSize>128M</-XX:PermSize>
+        <-XX:MaxPermSize>128M</-XX:MaxPermSize>
+    </options>
 </java>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/bin/mqbroker.xml
----------------------------------------------------------------------
diff --git a/distribution/bin/mqbroker.xml b/distribution/bin/mqbroker.xml
index d1bc16f..3043cc0 100644
--- a/distribution/bin/mqbroker.xml
+++ b/distribution/bin/mqbroker.xml
@@ -16,28 +16,30 @@
   -->
 
 <java>
-	<debug>false</debug>
+    <debug>false</debug>
 
-	<javahome>${JAVA_HOME}</javahome>
+    <javahome>${JAVA_HOME}</javahome>
 
-	<jvmtype>server</jvmtype>
+    <jvmtype>server</jvmtype>
 
-	<mainclass>org.apache.rocketmq.broker.BrokerStartup</mainclass>
+    <mainclass>org.apache.rocketmq.broker.BrokerStartup</mainclass>
 
-	<properties>
-		<java.ext.dirs>${cpd}/../lib</java.ext.dirs>
-		<rocketmq.home.dir>${cpd}/..</rocketmq.home.dir>
-	</properties>
+    <properties>
+        <java.ext.dirs>${cpd}/../lib</java.ext.dirs>
+        <rocketmq.home.dir>${cpd}/..</rocketmq.home.dir>
+    </properties>
 
-	<classpaths>
-	</classpaths>
+    <classpaths>
+    </classpaths>
 
-	<options>
-		<-Xms512m></-Xms512m>
-		<-Xmx1g></-Xmx1g>
-		<-XX:NewSize>256M</-XX:NewSize>
-		<-XX:MaxNewSize>512M</-XX:MaxNewSize>
-		<-XX:PermSize>128M</-XX:PermSize>
-		<-XX:MaxPermSize>128M</-XX:MaxPermSize>
-	</options>
-</java>
+    <options>
+        <-Xms512m>
+    </-Xms512m>
+    <-Xmx1g>
+</-Xmx1g>
+<-XX:NewSize>256M</-XX:NewSize>
+<-XX:MaxNewSize>512M</-XX:MaxNewSize>
+<-XX:PermSize>128M</-XX:PermSize>
+<-XX:MaxPermSize>128M</-XX:MaxPermSize>
+    </options>
+    </java>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/bin/mqfiltersrv.xml
----------------------------------------------------------------------
diff --git a/distribution/bin/mqfiltersrv.xml b/distribution/bin/mqfiltersrv.xml
index 8fdea39..dc36a8d 100644
--- a/distribution/bin/mqfiltersrv.xml
+++ b/distribution/bin/mqfiltersrv.xml
@@ -16,28 +16,30 @@
   -->
 
 <java>
-	<debug>false</debug>
+    <debug>false</debug>
 
-	<javahome>${JAVA_HOME}</javahome>
+    <javahome>${JAVA_HOME}</javahome>
 
-	<jvmtype>server</jvmtype>
+    <jvmtype>server</jvmtype>
 
-	<mainclass>org.apache.rocketmq.filtersrv.FiltersrvStartup</mainclass>
+    <mainclass>org.apache.rocketmq.filtersrv.FiltersrvStartup</mainclass>
 
-	<properties>
-		<java.ext.dirs>${cpd}/../lib</java.ext.dirs>
-		<rocketmq.home.dir>${cpd}/..</rocketmq.home.dir>
-	</properties>
+    <properties>
+        <java.ext.dirs>${cpd}/../lib</java.ext.dirs>
+        <rocketmq.home.dir>${cpd}/..</rocketmq.home.dir>
+    </properties>
 
-	<classpaths>
-	</classpaths>
+    <classpaths>
+    </classpaths>
 
-	<options>
-		<-Xms512m></-Xms512m>
-		<-Xmx1g></-Xmx1g>
-		<-XX:NewSize>256M</-XX:NewSize>
-		<-XX:MaxNewSize>512M</-XX:MaxNewSize>
-		<-XX:PermSize>128M</-XX:PermSize>
-		<-XX:MaxPermSize>128M</-XX:MaxPermSize>
-	</options>
-</java>
+    <options>
+        <-Xms512m>
+    </-Xms512m>
+    <-Xmx1g>
+</-Xmx1g>
+<-XX:NewSize>256M</-XX:NewSize>
+<-XX:MaxNewSize>512M</-XX:MaxNewSize>
+<-XX:PermSize>128M</-XX:PermSize>
+<-XX:MaxPermSize>128M</-XX:MaxPermSize>
+    </options>
+    </java>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/bin/mqnamesrv.xml
----------------------------------------------------------------------
diff --git a/distribution/bin/mqnamesrv.xml b/distribution/bin/mqnamesrv.xml
index dc5736a..1f050d1 100644
--- a/distribution/bin/mqnamesrv.xml
+++ b/distribution/bin/mqnamesrv.xml
@@ -16,28 +16,30 @@
   -->
 
 <java>
-	<debug>false</debug>
+    <debug>false</debug>
 
-	<javahome>${JAVA_HOME}</javahome>
+    <javahome>${JAVA_HOME}</javahome>
 
-	<jvmtype>server</jvmtype>
+    <jvmtype>server</jvmtype>
 
-	<mainclass>org.apache.rocketmq.namesrv.NamesrvStartup</mainclass>
+    <mainclass>org.apache.rocketmq.namesrv.NamesrvStartup</mainclass>
 
-	<properties>
-		<java.ext.dirs>${cpd}/../lib</java.ext.dirs>
-		<rocketmq.home.dir>${cpd}/..</rocketmq.home.dir>
-	</properties>
+    <properties>
+        <java.ext.dirs>${cpd}/../lib</java.ext.dirs>
+        <rocketmq.home.dir>${cpd}/..</rocketmq.home.dir>
+    </properties>
 
-	<classpaths>
-	</classpaths>
+    <classpaths>
+    </classpaths>
 
-	<options>
-		<-Xms512m></-Xms512m>
-		<-Xmx1g></-Xmx1g>
-		<-XX:NewSize>256M</-XX:NewSize>
-		<-XX:MaxNewSize>512M</-XX:MaxNewSize>
-		<-XX:PermSize>128M</-XX:PermSize>
-		<-XX:MaxPermSize>128M</-XX:MaxPermSize>
-	</options>
-</java>
+    <options>
+        <-Xms512m>
+    </-Xms512m>
+    <-Xmx1g>
+</-Xmx1g>
+<-XX:NewSize>256M</-XX:NewSize>
+<-XX:MaxNewSize>512M</-XX:MaxNewSize>
+<-XX:PermSize>128M</-XX:PermSize>
+<-XX:MaxPermSize>128M</-XX:MaxPermSize>
+    </options>
+    </java>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/conf/2m-2s-async/broker-a-s.properties
----------------------------------------------------------------------
diff --git a/distribution/conf/2m-2s-async/broker-a-s.properties b/distribution/conf/2m-2s-async/broker-a-s.properties
index 10d1555..0e3388b 100644
--- a/distribution/conf/2m-2s-async/broker-a-s.properties
+++ b/distribution/conf/2m-2s-async/broker-a-s.properties
@@ -12,7 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 brokerClusterName=DefaultCluster
 brokerName=broker-a
 brokerId=1

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/conf/2m-2s-async/broker-a.properties
----------------------------------------------------------------------
diff --git a/distribution/conf/2m-2s-async/broker-a.properties b/distribution/conf/2m-2s-async/broker-a.properties
index da6fc5f..b704b54 100644
--- a/distribution/conf/2m-2s-async/broker-a.properties
+++ b/distribution/conf/2m-2s-async/broker-a.properties
@@ -12,7 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 brokerClusterName=DefaultCluster
 brokerName=broker-a
 brokerId=0

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/conf/2m-2s-async/broker-b-s.properties
----------------------------------------------------------------------
diff --git a/distribution/conf/2m-2s-async/broker-b-s.properties b/distribution/conf/2m-2s-async/broker-b-s.properties
index 9fbe088..6c6beab 100644
--- a/distribution/conf/2m-2s-async/broker-b-s.properties
+++ b/distribution/conf/2m-2s-async/broker-b-s.properties
@@ -12,7 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 brokerClusterName=DefaultCluster
 brokerName=broker-b
 brokerId=1

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/conf/2m-2s-async/broker-b.properties
----------------------------------------------------------------------
diff --git a/distribution/conf/2m-2s-async/broker-b.properties b/distribution/conf/2m-2s-async/broker-b.properties
index cb09f9d..130671a 100644
--- a/distribution/conf/2m-2s-async/broker-b.properties
+++ b/distribution/conf/2m-2s-async/broker-b.properties
@@ -12,7 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 brokerClusterName=DefaultCluster
 brokerName=broker-b
 brokerId=0

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/conf/2m-2s-sync/broker-a-s.properties
----------------------------------------------------------------------
diff --git a/distribution/conf/2m-2s-sync/broker-a-s.properties b/distribution/conf/2m-2s-sync/broker-a-s.properties
index 10d1555..0e3388b 100644
--- a/distribution/conf/2m-2s-sync/broker-a-s.properties
+++ b/distribution/conf/2m-2s-sync/broker-a-s.properties
@@ -12,7 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 brokerClusterName=DefaultCluster
 brokerName=broker-a
 brokerId=1

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/conf/2m-2s-sync/broker-a.properties
----------------------------------------------------------------------
diff --git a/distribution/conf/2m-2s-sync/broker-a.properties b/distribution/conf/2m-2s-sync/broker-a.properties
index 82c4631..fba30fa 100644
--- a/distribution/conf/2m-2s-sync/broker-a.properties
+++ b/distribution/conf/2m-2s-sync/broker-a.properties
@@ -12,7 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 brokerClusterName=DefaultCluster
 brokerName=broker-a
 brokerId=0

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/conf/2m-2s-sync/broker-b-s.properties
----------------------------------------------------------------------
diff --git a/distribution/conf/2m-2s-sync/broker-b-s.properties b/distribution/conf/2m-2s-sync/broker-b-s.properties
index 9fbe088..6c6beab 100644
--- a/distribution/conf/2m-2s-sync/broker-b-s.properties
+++ b/distribution/conf/2m-2s-sync/broker-b-s.properties
@@ -12,7 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 brokerClusterName=DefaultCluster
 brokerName=broker-b
 brokerId=1

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/conf/2m-2s-sync/broker-b.properties
----------------------------------------------------------------------
diff --git a/distribution/conf/2m-2s-sync/broker-b.properties b/distribution/conf/2m-2s-sync/broker-b.properties
index 29a4264..ab925a8 100644
--- a/distribution/conf/2m-2s-sync/broker-b.properties
+++ b/distribution/conf/2m-2s-sync/broker-b.properties
@@ -12,7 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 brokerClusterName=DefaultCluster
 brokerName=broker-b
 brokerId=0

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/conf/2m-noslave/broker-a.properties
----------------------------------------------------------------------
diff --git a/distribution/conf/2m-noslave/broker-a.properties b/distribution/conf/2m-noslave/broker-a.properties
index da6fc5f..b704b54 100644
--- a/distribution/conf/2m-noslave/broker-a.properties
+++ b/distribution/conf/2m-noslave/broker-a.properties
@@ -12,7 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 brokerClusterName=DefaultCluster
 brokerName=broker-a
 brokerId=0

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/conf/2m-noslave/broker-b.properties
----------------------------------------------------------------------
diff --git a/distribution/conf/2m-noslave/broker-b.properties b/distribution/conf/2m-noslave/broker-b.properties
index cb09f9d..130671a 100644
--- a/distribution/conf/2m-noslave/broker-b.properties
+++ b/distribution/conf/2m-noslave/broker-b.properties
@@ -12,7 +12,6 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-
 brokerClusterName=DefaultCluster
 brokerName=broker-b
 brokerId=0

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/distribution/conf/logback_broker.xml
----------------------------------------------------------------------
diff --git a/distribution/conf/logback_broker.xml b/distribution/conf/logback_broker.xml
index 3945fac..56c9ac6 100644
--- a/distribution/conf/logback_broker.xml
+++ b/distribution/conf/logback_broker.xml
@@ -233,7 +233,7 @@
             <maxIndex>10</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -350,8 +350,8 @@
     </logger>
 
     <logger name="RocketmqConsole" additivity="false">
-        <level value="INFO" />
-        <appender-ref ref="STDOUT" />
+        <level value="INFO"/>
+        <appender-ref ref="STDOUT"/>
     </logger>
 
     <root>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/example/src/main/java/org/apache/rocketmq/example/batch/SimpleBatchProducer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/batch/SimpleBatchProducer.java b/example/src/main/java/org/apache/rocketmq/example/batch/SimpleBatchProducer.java
index a8609e7..cf566aa 100644
--- a/example/src/main/java/org/apache/rocketmq/example/batch/SimpleBatchProducer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/batch/SimpleBatchProducer.java
@@ -24,8 +24,7 @@ import org.apache.rocketmq.common.message.Message;
 
 public class SimpleBatchProducer {
 
-
-    public static void main(String[] args) throws  Exception {
+    public static void main(String[] args) throws Exception {
         DefaultMQProducer producer = new DefaultMQProducer("BatchProducerGroupName");
         producer.start();
 

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/example/src/main/java/org/apache/rocketmq/example/batch/SplitBatchProducer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/batch/SplitBatchProducer.java b/example/src/main/java/org/apache/rocketmq/example/batch/SplitBatchProducer.java
index 8809a11..f9495c4 100644
--- a/example/src/main/java/org/apache/rocketmq/example/batch/SplitBatchProducer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/batch/SplitBatchProducer.java
@@ -26,7 +26,7 @@ import org.apache.rocketmq.common.message.Message;
 
 public class SplitBatchProducer {
 
-    public static void main(String[] args) throws  Exception {
+    public static void main(String[] args) throws Exception {
 
         DefaultMQProducer producer = new DefaultMQProducer("BatchProducerGroupName");
         producer.start();
@@ -41,25 +41,29 @@ public class SplitBatchProducer {
         //split the large batch into small ones:
         ListSplitter splitter = new ListSplitter(messages);
         while (splitter.hasNext()) {
-            List<Message>  listItem = splitter.next();
+            List<Message> listItem = splitter.next();
             producer.send(listItem);
         }
     }
 
 }
 
-
 class ListSplitter implements Iterator<List<Message>> {
     private int sizeLimit = 1000 * 1000;
     private final List<Message> messages;
     private int currIndex;
+
     public ListSplitter(List<Message> messages) {
         this.messages = messages;
     }
-    @Override public boolean hasNext() {
+
+    @Override
+    public boolean hasNext() {
         return currIndex < messages.size();
     }
-    @Override public List<Message> next() {
+
+    @Override
+    public List<Message> next() {
         int nextIndex = currIndex;
         int totalSize = 0;
         for (; nextIndex < messages.size(); nextIndex++) {
@@ -91,7 +95,8 @@ class ListSplitter implements Iterator<List<Message>> {
         return subList;
     }
 
-    @Override public void remove() {
+    @Override
+    public void remove() {
         throw new UnsupportedOperationException("Not allowed to remove");
     }
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/example/src/main/java/org/apache/rocketmq/example/benchmark/Producer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/benchmark/Producer.java b/example/src/main/java/org/apache/rocketmq/example/benchmark/Producer.java
index 2d8d0f6..9bd5266 100644
--- a/example/src/main/java/org/apache/rocketmq/example/benchmark/Producer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/benchmark/Producer.java
@@ -242,7 +242,7 @@ class StatsBenchmarkProducer {
     private final AtomicLong sendMessageMaxRT = new AtomicLong(0L);
 
     public Long[] createSnapshot() {
-        Long[] snap = new Long[]{
+        Long[] snap = new Long[] {
             System.currentTimeMillis(),
             this.sendRequestSuccessCount.get(),
             this.sendRequestFailedCount.get(),

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/example/src/main/java/org/apache/rocketmq/example/filter/SqlConsumer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/filter/SqlConsumer.java b/example/src/main/java/org/apache/rocketmq/example/filter/SqlConsumer.java
index 52c2474..8421675 100644
--- a/example/src/main/java/org/apache/rocketmq/example/filter/SqlConsumer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/filter/SqlConsumer.java
@@ -44,7 +44,7 @@ public class SqlConsumer {
 
             @Override
             public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
-                                                            ConsumeConcurrentlyContext context) {
+                ConsumeConcurrentlyContext context) {
                 System.out.printf(Thread.currentThread().getName() + " Receive New Messages: " + msgs + "%n");
                 return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
             }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/example/src/main/java/org/apache/rocketmq/example/simple/AsyncProducer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/simple/AsyncProducer.java b/example/src/main/java/org/apache/rocketmq/example/simple/AsyncProducer.java
index 038ea65..aa15caf 100644
--- a/example/src/main/java/org/apache/rocketmq/example/simple/AsyncProducer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/simple/AsyncProducer.java
@@ -25,7 +25,8 @@ import org.apache.rocketmq.common.message.Message;
 import org.apache.rocketmq.remoting.common.RemotingHelper;
 
 public class AsyncProducer {
-    public static void main(String[] args) throws MQClientException, InterruptedException, UnsupportedEncodingException {
+    public static void main(
+        String[] args) throws MQClientException, InterruptedException, UnsupportedEncodingException {
 
         DefaultMQProducer producer = new DefaultMQProducer("Jodie_Daily_test");
         producer.start();

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/example/src/main/java/org/apache/rocketmq/example/simple/PushConsumer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/simple/PushConsumer.java b/example/src/main/java/org/apache/rocketmq/example/simple/PushConsumer.java
index 9bd9ea1..43bbf6c 100644
--- a/example/src/main/java/org/apache/rocketmq/example/simple/PushConsumer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/simple/PushConsumer.java
@@ -35,7 +35,6 @@ public class PushConsumer {
         consumer.setConsumeTimestamp("20170422221800");
         consumer.registerMessageListener(new MessageListenerConcurrently() {
 
-
             @Override
             public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
                 System.out.printf(Thread.currentThread().getName() + " Receive New Messages: " + msgs + "%n");

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/FilterFactory.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/FilterFactory.java b/filter/src/main/java/org/apache/rocketmq/filter/FilterFactory.java
index a318548..f1e1c7d 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/FilterFactory.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/FilterFactory.java
@@ -38,8 +38,6 @@ public class FilterFactory {
      * <br>
      * Note:
      * <li>1. Filter registered will be used in broker server, so take care of it's reliability and performance.</li>
-     *
-     * @param filterSpi
      */
     public void register(FilterSpi filterSpi) {
         if (FILTER_SPI_HOLDER.containsKey(filterSpi.ofType())) {
@@ -51,9 +49,6 @@ public class FilterFactory {
 
     /**
      * Un register a filter.
-     *
-     * @param type
-     * @return
      */
     public FilterSpi unRegister(String type) {
         return FILTER_SPI_HOLDER.remove(type);
@@ -61,9 +56,6 @@ public class FilterFactory {
 
     /**
      * Get a filter registered, null if none exist.
-     *
-     * @param type
-     * @return
      */
     public FilterSpi get(String type) {
         return FILTER_SPI_HOLDER.get(type);

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/FilterSpi.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/FilterSpi.java b/filter/src/main/java/org/apache/rocketmq/filter/FilterSpi.java
index fcc39fa..f2d9f1c 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/FilterSpi.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/FilterSpi.java
@@ -27,17 +27,11 @@ public interface FilterSpi {
 
     /**
      * Compile.
-     *
-     * @param expr
-     * @return
-     * @throws org.apache.rocketmq.filter.expression.MQFilterException
      */
     Expression compile(final String expr) throws MQFilterException;
 
     /**
      * Which type.
-     *
-     * @return
      */
     String ofType();
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/expression/BinaryExpression.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/expression/BinaryExpression.java b/filter/src/main/java/org/apache/rocketmq/filter/expression/BinaryExpression.java
index 0f172e3..a3bf66b 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/expression/BinaryExpression.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/expression/BinaryExpression.java
@@ -69,8 +69,6 @@ public abstract class BinaryExpression implements Expression {
     /**
      * Returns the symbol that represents this binary expression.  For example, addition is
      * represented by "+"
-     *
-     * @return
      */
     public abstract String getExpressionSymbol();
 

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/expression/BooleanExpression.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/expression/BooleanExpression.java b/filter/src/main/java/org/apache/rocketmq/filter/expression/BooleanExpression.java
index bb54632..068b362 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/expression/BooleanExpression.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/expression/BooleanExpression.java
@@ -30,9 +30,7 @@ package org.apache.rocketmq.filter.expression;
 public interface BooleanExpression extends Expression {
 
     /**
-     * @param context
      * @return true if the expression evaluates to Boolean.TRUE.
-     * @throws Exception
      */
     boolean matches(EvaluationContext context) throws Exception;
 

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/expression/ComparisonExpression.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/expression/ComparisonExpression.java b/filter/src/main/java/org/apache/rocketmq/filter/expression/ComparisonExpression.java
index 8b82e57..fe898e7 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/expression/ComparisonExpression.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/expression/ComparisonExpression.java
@@ -203,8 +203,6 @@ public abstract class ComparisonExpression extends BinaryExpression implements B
 
     /**
      * Only Numeric expressions can be used in >, >=, < or <= expressions.s
-     *
-     * @param expr
      */
     public static void checkLessThanOperand(Expression expr) {
         if (expr instanceof ConstantExpression) {
@@ -224,8 +222,6 @@ public abstract class ComparisonExpression extends BinaryExpression implements B
     /**
      * Validates that the expression can be used in == or <> expression. Cannot
      * not be NULL TRUE or FALSE litterals.
-     *
-     * @param expr
      */
     public static void checkEqualOperand(Expression expr) {
         if (expr instanceof ConstantExpression) {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/expression/ConstantExpression.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/expression/ConstantExpression.java b/filter/src/main/java/org/apache/rocketmq/filter/expression/ConstantExpression.java
index ca70f51..e649f5a 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/expression/ConstantExpression.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/expression/ConstantExpression.java
@@ -136,8 +136,6 @@ public class ConstantExpression implements Expression {
     /**
      * Encodes the value of string so that it looks like it would look like when
      * it was provided in a selector.
-     *
-     * @return
      */
     public static String encodeString(String s) {
         StringBuffer b = new StringBuffer();

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/expression/EvaluationContext.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/expression/EvaluationContext.java b/filter/src/main/java/org/apache/rocketmq/filter/expression/EvaluationContext.java
index 094ef53..1bea15b 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/expression/EvaluationContext.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/expression/EvaluationContext.java
@@ -28,16 +28,11 @@ public interface EvaluationContext {
 
     /**
      * Get value by name from context
-     *
-     * @param name
-     * @return
      */
     Object get(String name);
 
     /**
      * Context variables.
-     *
-     * @return
      */
     Map<String, Object> keyValues();
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/expression/UnaryExpression.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/expression/UnaryExpression.java b/filter/src/main/java/org/apache/rocketmq/filter/expression/UnaryExpression.java
index 0519f4d..24845fc 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/expression/UnaryExpression.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/expression/UnaryExpression.java
@@ -71,7 +71,7 @@ public abstract class UnaryExpression implements Expression {
     }
 
     public static BooleanExpression createInExpression(PropertyExpression right, List<Object> elements,
-                                                       final boolean not) {
+        final boolean not) {
 
         // Use a HashSet if there are many elements.
         Collection<Object> t;
@@ -259,8 +259,6 @@ public abstract class UnaryExpression implements Expression {
     /**
      * Returns the symbol that represents this binary expression. For example,
      * addition is represented by "+"
-     *
-     * @return
      */
     public abstract String getExpressionSymbol();
 

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/expression/UnaryInExpression.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/expression/UnaryInExpression.java b/filter/src/main/java/org/apache/rocketmq/filter/expression/UnaryInExpression.java
index a6cf173..653cd92 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/expression/UnaryInExpression.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/expression/UnaryInExpression.java
@@ -31,7 +31,7 @@ abstract public class UnaryInExpression extends UnaryExpression implements Boole
     private Collection inList;
 
     public UnaryInExpression(Expression left, UnaryType unaryType,
-                             Collection inList, boolean not) {
+        Collection inList, boolean not) {
         super(left, unaryType);
         this.setInList(inList);
         this.setNot(not);

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/parser/ParseException.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/parser/ParseException.java b/filter/src/main/java/org/apache/rocketmq/filter/parser/ParseException.java
index 2ccccaf..06014cb 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/parser/ParseException.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/parser/ParseException.java
@@ -44,8 +44,8 @@ public class ParseException extends Exception {
      * "expectedTokenSequences", and "TOKEN_IMAGE" set.
      */
     public ParseException(Token currentTokenVal,
-                          int[][] expectedTokenSequencesVal,
-                          String[] tokenImageVal
+        int[][] expectedTokenSequencesVal,
+        String[] tokenImageVal
     ) {
         super(initialise(currentTokenVal, expectedTokenSequencesVal, tokenImageVal));
         currentToken = currentTokenVal;
@@ -103,8 +103,8 @@ public class ParseException extends Exception {
      * gets displayed.
      */
     private static String initialise(Token currentToken,
-                                     int[][] expectedTokenSequences,
-                                     String[] tokenImage) {
+        int[][] expectedTokenSequences,
+        String[] tokenImage) {
         String eol = System.getProperty("line.separator", "\n");
         StringBuffer expected = new StringBuffer();
         int maxSize = 0;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/parser/SelectorParser.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/parser/SelectorParser.java b/filter/src/main/java/org/apache/rocketmq/filter/parser/SelectorParser.java
index 2948c10..198aacf 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/parser/SelectorParser.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/parser/SelectorParser.java
@@ -996,12 +996,13 @@ public class SelectorParser implements SelectorParserConstants {
     }
 
     private static void jj_la1_init_0() {
-        jjLa10 = new int[]{0x400, 0x200, 0xc10000, 0xc00000, 0x10000, 0xf001900, 0x20000000, 0x20000000, 0xf000800,
+        jjLa10 = new int[] {
+            0x400, 0x200, 0xc10000, 0xc00000, 0x10000, 0xf001900, 0x20000000, 0x20000000, 0xf000800,
             0x1000, 0x1036e100, 0x1036e000, 0x16e000};
     }
 
     private static void jj_la1_init_1() {
-        jjLa11 = new int[]{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0};
+        jjLa11 = new int[] {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0};
     }
 
     final private JJCalls[] jj2Rtns = new JJCalls[4];
@@ -1322,7 +1323,8 @@ public class SelectorParser implements SelectorParserConstants {
                         }
                     }
                     p = p.next;
-                } while (p != null);
+                }
+                while (p != null);
             } catch (LookaheadSuccess ls) {
             }
         }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/parser/SelectorParserTokenManager.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/parser/SelectorParserTokenManager.java b/filter/src/main/java/org/apache/rocketmq/filter/parser/SelectorParserTokenManager.java
index 354f5ba..b5bac98 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/parser/SelectorParserTokenManager.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/parser/SelectorParserTokenManager.java
@@ -385,7 +385,7 @@ public class SelectorParserTokenManager implements SelectorParserConstants {
         int i = 1;
         jjstateSet[0] = startState;
         int kind = 0x7fffffff;
-        for (;;) {
+        for (; ; ) {
             if (++jjround == 0x7fffffff)
                 ReInitRounds();
             if (curChar < 64) {
@@ -586,7 +586,8 @@ public class SelectorParserTokenManager implements SelectorParserConstants {
                         default:
                             break;
                     }
-                } while (i != startsAt);
+                }
+                while (i != startsAt);
             } else if (curChar < 128) {
                 long l = 1L << (curChar & 077);
                 do {
@@ -631,7 +632,8 @@ public class SelectorParserTokenManager implements SelectorParserConstants {
                         default:
                             break;
                     }
-                } while (i != startsAt);
+                }
+                while (i != startsAt);
             } else {
                 int hiByte = (int) (curChar >> 8);
                 int i1 = hiByte >> 6;
@@ -660,7 +662,8 @@ public class SelectorParserTokenManager implements SelectorParserConstants {
                         default:
                             break;
                     }
-                } while (i != startsAt);
+                }
+                while (i != startsAt);
             }
             if (kind != 0x7fffffff) {
                 jjmatchedKind = kind;
@@ -834,7 +837,7 @@ public class SelectorParserTokenManager implements SelectorParserConstants {
         int curPos = 0;
 
         EOFLoop:
-        for (;;) {
+        for (; ; ) {
             try {
                 curChar = inputStream.BeginToken();
             } catch (java.io.IOException e) {
@@ -902,7 +905,8 @@ public class SelectorParserTokenManager implements SelectorParserConstants {
     private void jjAddStates(int start, int end) {
         do {
             jjstateSet[jjnewStateCnt++] = JJ_NEXT_STATES[start];
-        } while (start++ != end);
+        }
+        while (start++ != end);
     }
 
     private void jjCheckNAddTwoStates(int state1, int state2) {
@@ -913,7 +917,8 @@ public class SelectorParserTokenManager implements SelectorParserConstants {
     private void jjCheckNAddStates(int start, int end) {
         do {
             jjCheckNAdd(JJ_NEXT_STATES[start]);
-        } while (start++ != end);
+        }
+        while (start++ != end);
     }
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/parser/SimpleCharStream.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/parser/SimpleCharStream.java b/filter/src/main/java/org/apache/rocketmq/filter/parser/SimpleCharStream.java
index 94a54b4..53f7e1c 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/parser/SimpleCharStream.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/parser/SimpleCharStream.java
@@ -264,7 +264,7 @@ public class SimpleCharStream {
      * Constructor.
      */
     public SimpleCharStream(java.io.Reader dstream, int startline,
-                            int startcolumn, int buffersize) {
+        int startcolumn, int buffersize) {
         inputStream = dstream;
         line = startline;
         column = startcolumn - 1;
@@ -279,7 +279,7 @@ public class SimpleCharStream {
      * Constructor.
      */
     public SimpleCharStream(java.io.Reader dstream, int startline,
-                            int startcolumn) {
+        int startcolumn) {
         this(dstream, startline, startcolumn, 4096);
     }
 
@@ -294,7 +294,7 @@ public class SimpleCharStream {
      * Reinitialise.
      */
     public void ReInit(java.io.Reader dstream, int startline,
-                       int startcolumn, int buffersize) {
+        int startcolumn, int buffersize) {
         inputStream = dstream;
         line = startline;
         column = startcolumn - 1;
@@ -314,7 +314,7 @@ public class SimpleCharStream {
      * Reinitialise.
      */
     public void ReInit(java.io.Reader dstream, int startline,
-                       int startcolumn) {
+        int startcolumn) {
         ReInit(dstream, startline, startcolumn, 4096);
     }
 
@@ -329,7 +329,7 @@ public class SimpleCharStream {
      * Constructor.
      */
     public SimpleCharStream(java.io.InputStream dstream, String encoding, int startline,
-                            int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException {
+        int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException {
         this(encoding == null ?
             new java.io.InputStreamReader(dstream) :
             new java.io.InputStreamReader(dstream, encoding), startline, startcolumn, buffersize);
@@ -339,7 +339,7 @@ public class SimpleCharStream {
      * Constructor.
      */
     public SimpleCharStream(java.io.InputStream dstream, int startline,
-                            int startcolumn, int buffersize) {
+        int startcolumn, int buffersize) {
         this(new java.io.InputStreamReader(dstream), startline, startcolumn, buffersize);
     }
 
@@ -347,7 +347,7 @@ public class SimpleCharStream {
      * Constructor.
      */
     public SimpleCharStream(java.io.InputStream dstream, String encoding, int startline,
-                            int startcolumn) throws java.io.UnsupportedEncodingException {
+        int startcolumn) throws java.io.UnsupportedEncodingException {
         this(dstream, encoding, startline, startcolumn, 4096);
     }
 
@@ -355,7 +355,7 @@ public class SimpleCharStream {
      * Constructor.
      */
     public SimpleCharStream(java.io.InputStream dstream, int startline,
-                            int startcolumn) {
+        int startcolumn) {
         this(dstream, startline, startcolumn, 4096);
     }
 
@@ -377,7 +377,7 @@ public class SimpleCharStream {
      * Reinitialise.
      */
     public void ReInit(java.io.InputStream dstream, String encoding, int startline,
-                       int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException {
+        int startcolumn, int buffersize) throws java.io.UnsupportedEncodingException {
         ReInit(encoding == null ?
             new java.io.InputStreamReader(dstream) :
             new java.io.InputStreamReader(dstream, encoding), startline, startcolumn, buffersize);
@@ -387,7 +387,7 @@ public class SimpleCharStream {
      * Reinitialise.
      */
     public void ReInit(java.io.InputStream dstream, int startline,
-                       int startcolumn, int buffersize) {
+        int startcolumn, int buffersize) {
         ReInit(new java.io.InputStreamReader(dstream), startline, startcolumn, buffersize);
     }
 
@@ -409,7 +409,7 @@ public class SimpleCharStream {
      * Reinitialise.
      */
     public void ReInit(java.io.InputStream dstream, String encoding, int startline,
-                       int startcolumn) throws java.io.UnsupportedEncodingException {
+        int startcolumn) throws java.io.UnsupportedEncodingException {
         ReInit(dstream, encoding, startline, startcolumn, 4096);
     }
 
@@ -417,7 +417,7 @@ public class SimpleCharStream {
      * Reinitialise.
      */
     public void ReInit(java.io.InputStream dstream, int startline,
-                       int startcolumn) {
+        int startcolumn) {
         ReInit(dstream, startline, startcolumn, 4096);
     }
 

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/parser/TokenMgrError.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/parser/TokenMgrError.java b/filter/src/main/java/org/apache/rocketmq/filter/parser/TokenMgrError.java
index 75d83e5..e8132df 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/parser/TokenMgrError.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/parser/TokenMgrError.java
@@ -122,7 +122,7 @@ public class TokenMgrError extends Error {
      * Note: You can customize the lexical error message by modifying this method.
      */
     protected static String LexicalError(boolean eofSeen, int lexState, int errorLine, int errorColumn,
-                                         String errorAfter, char curChar) {
+        String errorAfter, char curChar) {
         return "Lexical error at line " +
             errorLine + ", column " +
             errorColumn + ".  Encountered: " +
@@ -167,7 +167,7 @@ public class TokenMgrError extends Error {
      * Full Constructor.
      */
     public TokenMgrError(boolean eofSeen, int lexState, int errorLine, int errorColumn, String errorAfter, char curChar,
-                         int reason) {
+        int reason) {
         this(LexicalError(eofSeen, lexState, errorLine, errorColumn, errorAfter, curChar), reason);
     }
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/util/BloomFilter.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/util/BloomFilter.java b/filter/src/main/java/org/apache/rocketmq/filter/util/BloomFilter.java
index f610906..9a3de60 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/util/BloomFilter.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/util/BloomFilter.java
@@ -42,7 +42,6 @@ public class BloomFilter {
      *
      * @param f error rate
      * @param n num will mapping to bit
-     * @return
      */
     public static BloomFilter createByFn(int f, int n) {
         return new BloomFilter(f, n);
@@ -87,9 +86,6 @@ public class BloomFilter {
      * See "Less Hashing, Same Performance: Building a Better Bloom Filter" by Adam Kirsch and Michael
      * Mitzenmacher.
      * </p>
-     *
-     * @param str
-     * @return
      */
     public int[] calcBitPositions(String str) {
         int[] bitPositions = new int[this.k];
@@ -113,9 +109,6 @@ public class BloomFilter {
 
     /**
      * Calculate bit positions of {@code str} to construct {@code BloomFilterData}
-     *
-     * @param str
-     * @return
      */
     public BloomFilterData generate(String str) {
         int[] bitPositions = calcBitPositions(str);
@@ -125,9 +118,6 @@ public class BloomFilter {
 
     /**
      * Calculate bit positions of {@code str}, then set the related {@code bits} positions to 1.
-     *
-     * @param str
-     * @param bits
      */
     public void hashTo(String str, BitsArray bits) {
         hashTo(calcBitPositions(str), bits);
@@ -135,9 +125,6 @@ public class BloomFilter {
 
     /**
      * Set the related {@code bits} positions to 1.
-     *
-     * @param bitPositions
-     * @param bits
      */
     public void hashTo(int[] bitPositions, BitsArray bits) {
         check(bits);
@@ -153,9 +140,6 @@ public class BloomFilter {
      * <p>
      * Then set the related {@code bits} positions to 1.
      * </p>
-     *
-     * @param filterData
-     * @param bits
      */
     public void hashTo(BloomFilterData filterData, BitsArray bits) {
         if (!isValid(filterData)) {
@@ -170,8 +154,6 @@ public class BloomFilter {
     /**
      * Calculate bit positions of {@code str}, then check all the related {@code bits} positions is 1.
      *
-     * @param str
-     * @param bits
      * @return true: all the related {@code bits} positions is 1
      */
     public boolean isHit(String str, BitsArray bits) {
@@ -181,8 +163,6 @@ public class BloomFilter {
     /**
      * Check all the related {@code bits} positions is 1.
      *
-     * @param bitPositions
-     * @param bits
      * @return true: all the related {@code bits} positions is 1
      */
     public boolean isHit(int[] bitPositions, BitsArray bits) {
@@ -197,8 +177,6 @@ public class BloomFilter {
     /**
      * Check all the related {@code bits} positions is 1.
      *
-     * @param filterData
-     * @param bits
      * @return true: all the related {@code bits} positions is 1
      */
     public boolean isHit(BloomFilterData filterData, BitsArray bits) {
@@ -214,8 +192,6 @@ public class BloomFilter {
     /**
      * Check whether one of {@code bitPositions} has been occupied.
      *
-     * @param bitPositions
-     * @param bits
      * @return true: if all positions have been occupied.
      */
     public boolean checkFalseHit(int[] bitPositions, BitsArray bits) {
@@ -246,9 +222,6 @@ public class BloomFilter {
      * <li>2. {@link org.apache.rocketmq.filter.util.BloomFilterData#getBitNum} must be equal to {@code m} </li>
      * <li>3. {@link org.apache.rocketmq.filter.util.BloomFilterData#getBitPos} is not null</li>
      * <li>4. {@link org.apache.rocketmq.filter.util.BloomFilterData#getBitPos}'s length is equal to {@code k}</li>
-     *
-     * @param filterData
-     * @return
      */
     public boolean isValid(BloomFilterData filterData) {
         if (filterData == null
@@ -263,8 +236,6 @@ public class BloomFilter {
 
     /**
      * error rate.
-     *
-     * @return
      */
     public int getF() {
         return f;
@@ -272,8 +243,6 @@ public class BloomFilter {
 
     /**
      * expect mapping num.
-     *
-     * @return
      */
     public int getN() {
         return n;
@@ -281,8 +250,6 @@ public class BloomFilter {
 
     /**
      * hash function num.
-     *
-     * @return
      */
     public int getK() {
         return k;
@@ -290,8 +257,6 @@ public class BloomFilter {
 
     /**
      * total bit num.
-     *
-     * @return
      */
     public int getM() {
         return m;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/main/java/org/apache/rocketmq/filter/util/BloomFilterData.java
----------------------------------------------------------------------
diff --git a/filter/src/main/java/org/apache/rocketmq/filter/util/BloomFilterData.java b/filter/src/main/java/org/apache/rocketmq/filter/util/BloomFilterData.java
index de02d92..c021323 100644
--- a/filter/src/main/java/org/apache/rocketmq/filter/util/BloomFilterData.java
+++ b/filter/src/main/java/org/apache/rocketmq/filter/util/BloomFilterData.java
@@ -55,13 +55,17 @@ public class BloomFilterData {
 
     @Override
     public boolean equals(final Object o) {
-        if (this == o) return true;
-        if (!(o instanceof BloomFilterData)) return false;
+        if (this == o)
+            return true;
+        if (!(o instanceof BloomFilterData))
+            return false;
 
         final BloomFilterData that = (BloomFilterData) o;
 
-        if (bitNum != that.bitNum) return false;
-        if (!Arrays.equals(bitPos, that.bitPos)) return false;
+        if (bitNum != that.bitNum)
+            return false;
+        if (!Arrays.equals(bitPos, that.bitPos))
+            return false;
 
         return true;
     }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/test/java/org/apache/rocketmq/filter/BitsArrayTest.java
----------------------------------------------------------------------
diff --git a/filter/src/test/java/org/apache/rocketmq/filter/BitsArrayTest.java b/filter/src/test/java/org/apache/rocketmq/filter/BitsArrayTest.java
index ef81b29..1ba7360 100644
--- a/filter/src/test/java/org/apache/rocketmq/filter/BitsArrayTest.java
+++ b/filter/src/test/java/org/apache/rocketmq/filter/BitsArrayTest.java
@@ -111,8 +111,8 @@ public class BitsArrayTest {
 
     @Test
     public void testOr() {
-        BitsArray b1 = BitsArray.create(new byte[]{(byte) 0xff, 0x00});
-        BitsArray b2 = BitsArray.create(new byte[]{0x00, (byte) 0xff});
+        BitsArray b1 = BitsArray.create(new byte[] {(byte) 0xff, 0x00});
+        BitsArray b2 = BitsArray.create(new byte[] {0x00, (byte) 0xff});
 
         b1.or(b2);
 

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/test/java/org/apache/rocketmq/filter/BloomFilterTest.java
----------------------------------------------------------------------
diff --git a/filter/src/test/java/org/apache/rocketmq/filter/BloomFilterTest.java b/filter/src/test/java/org/apache/rocketmq/filter/BloomFilterTest.java
index c6097ee..d2425b4 100644
--- a/filter/src/test/java/org/apache/rocketmq/filter/BloomFilterTest.java
+++ b/filter/src/test/java/org/apache/rocketmq/filter/BloomFilterTest.java
@@ -107,9 +107,9 @@ public class BloomFilterTest {
 
     @Test
     public void testBloomFilterData() {
-        BloomFilterData bloomFilterData = new BloomFilterData(new int[]{1, 2, 3}, 128);
-        BloomFilterData bloomFilterData1 = new BloomFilterData(new int[]{1, 2, 3}, 128);
-        BloomFilterData bloomFilterData2 = new BloomFilterData(new int[]{1, 2, 3}, 129);
+        BloomFilterData bloomFilterData = new BloomFilterData(new int[] {1, 2, 3}, 128);
+        BloomFilterData bloomFilterData1 = new BloomFilterData(new int[] {1, 2, 3}, 128);
+        BloomFilterData bloomFilterData2 = new BloomFilterData(new int[] {1, 2, 3}, 129);
 
         assertThat(bloomFilterData).isEqualTo(bloomFilterData1);
         assertThat(bloomFilterData2).isNotEqualTo(bloomFilterData);
@@ -127,7 +127,7 @@ public class BloomFilterTest {
 
         assertThat(bloomFilterData).isEqualTo(bloomFilterData2);
 
-        bloomFilterData2.setBitPos(new int[]{1, 2, 3, 4});
+        bloomFilterData2.setBitPos(new int[] {1, 2, 3, 4});
 
         assertThat(bloomFilterData).isNotEqualTo(bloomFilterData2);