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Posted to commits@rocketmq.apache.org by vi...@apache.org on 2016/12/28 10:02:33 UTC

[26/50] [abbrv] incubator-rocketmq git commit: ROCKETMQ-18 Reformat all codes.

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/common/src/main/java/org/apache/rocketmq/common/sysflag/SubscriptionSysFlag.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/sysflag/SubscriptionSysFlag.java b/common/src/main/java/org/apache/rocketmq/common/sysflag/SubscriptionSysFlag.java
index da6401e..cf7cdcd 100644
--- a/common/src/main/java/org/apache/rocketmq/common/sysflag/SubscriptionSysFlag.java
+++ b/common/src/main/java/org/apache/rocketmq/common/sysflag/SubscriptionSysFlag.java
@@ -20,7 +20,6 @@ public class SubscriptionSysFlag {
 
     private final static int FLAG_UNIT = 0x1 << 0;
 
-
     public static int buildSysFlag(final boolean unit) {
         int sysFlag = 0;
 
@@ -31,22 +30,18 @@ public class SubscriptionSysFlag {
         return sysFlag;
     }
 
-
     public static int setUnitFlag(final int sysFlag) {
         return sysFlag | FLAG_UNIT;
     }
 
-
     public static int clearUnitFlag(final int sysFlag) {
         return sysFlag & (~FLAG_UNIT);
     }
 
-
     public static boolean hasUnitFlag(final int sysFlag) {
         return (sysFlag & FLAG_UNIT) == FLAG_UNIT;
     }
 
-
     public static void main(String[] args) {
     }
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/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 1d804db..2c45150 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
@@ -27,7 +27,6 @@ public class TopicSysFlag {
 
     private final static int FLAG_UNIT_SUB = 0x1 << 1;
 
-
     public static int buildSysFlag(final boolean unit, final boolean hasUnitSub) {
         int sysFlag = 0;
 
@@ -42,37 +41,30 @@ public class TopicSysFlag {
         return sysFlag;
     }
 
-
     public static int setUnitFlag(final int sysFlag) {
         return sysFlag | FLAG_UNIT;
     }
 
-
     public static int clearUnitFlag(final int sysFlag) {
         return sysFlag & (~FLAG_UNIT);
     }
 
-
     public static boolean hasUnitFlag(final int sysFlag) {
         return (sysFlag & FLAG_UNIT) == FLAG_UNIT;
     }
 
-
     public static int setUnitSubFlag(final int sysFlag) {
         return sysFlag | FLAG_UNIT_SUB;
     }
 
-
     public static int clearUnitSubFlag(final int sysFlag) {
         return sysFlag & (~FLAG_UNIT_SUB);
     }
 
-
     public static boolean hasUnitSubFlag(final int sysFlag) {
         return (sysFlag & FLAG_UNIT_SUB) == FLAG_UNIT_SUB;
     }
 
-
     public static void main(String[] args) {
     }
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/common/src/main/java/org/apache/rocketmq/common/utils/ChannelUtil.java
----------------------------------------------------------------------
diff --git a/common/src/main/java/org/apache/rocketmq/common/utils/ChannelUtil.java b/common/src/main/java/org/apache/rocketmq/common/utils/ChannelUtil.java
index ab017f2..dcb9187 100644
--- a/common/src/main/java/org/apache/rocketmq/common/utils/ChannelUtil.java
+++ b/common/src/main/java/org/apache/rocketmq/common/utils/ChannelUtil.java
@@ -6,25 +6,24 @@
  * (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.utils;
 
 import io.netty.channel.Channel;
-
 import java.net.InetAddress;
 import java.net.InetSocketAddress;
 
 public class ChannelUtil {
     public static String getRemoteIp(Channel channel) {
-        InetSocketAddress inetSocketAddress = (InetSocketAddress) channel.remoteAddress();
+        InetSocketAddress inetSocketAddress = (InetSocketAddress)channel.remoteAddress();
         if (inetSocketAddress == null) {
             return "";
         }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/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 fcd002c..0cc3463 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
@@ -6,20 +6,17 @@
  * (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.utils;
 
-import org.apache.rocketmq.common.MQVersion;
-import org.apache.rocketmq.common.MixAll;
-
 import java.io.IOException;
 import java.io.UnsupportedEncodingException;
 import java.net.HttpURLConnection;
@@ -27,21 +24,22 @@ import java.net.URL;
 import java.net.URLEncoder;
 import java.util.Iterator;
 import java.util.List;
-
+import org.apache.rocketmq.common.MQVersion;
+import org.apache.rocketmq.common.MixAll;
 
 public class HttpTinyClient {
 
     static public HttpResult httpGet(String url, List<String> headers, List<String> paramValues,
-                                     String encoding, long readTimeoutMs) throws IOException {
+        String encoding, long readTimeoutMs) throws IOException {
         String encodedContent = encodingParams(paramValues, encoding);
         url += (null == encodedContent) ? "" : ("?" + encodedContent);
 
         HttpURLConnection conn = null;
         try {
-            conn = (HttpURLConnection) new URL(url).openConnection();
+            conn = (HttpURLConnection)new URL(url).openConnection();
             conn.setRequestMethod("GET");
-            conn.setConnectTimeout((int) readTimeoutMs);
-            conn.setReadTimeout((int) readTimeoutMs);
+            conn.setConnectTimeout((int)readTimeoutMs);
+            conn.setReadTimeout((int)readTimeoutMs);
             setHeaders(conn, headers, encoding);
 
             conn.connect();
@@ -62,7 +60,7 @@ public class HttpTinyClient {
     }
 
     static private String encodingParams(List<String> paramValues, String encoding)
-            throws UnsupportedEncodingException {
+        throws UnsupportedEncodingException {
         StringBuilder sb = new StringBuilder();
         if (null == paramValues) {
             return null;
@@ -87,7 +85,6 @@ public class HttpTinyClient {
         conn.addRequestProperty("Client-Version", MQVersion.getVersionDesc(MQVersion.CURRENT_VERSION));
         conn.addRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=" + encoding);
 
-
         String ts = String.valueOf(System.currentTimeMillis());
         conn.addRequestProperty("Metaq-Client-RequestTS", ts);
     }
@@ -110,15 +107,15 @@ public class HttpTinyClient {
      * @throws java.io.IOException
      */
     static public HttpResult httpPost(String url, List<String> headers, List<String> paramValues,
-                                      String encoding, long readTimeoutMs) throws IOException {
+        String encoding, long readTimeoutMs) throws IOException {
         String encodedContent = encodingParams(paramValues, encoding);
 
         HttpURLConnection conn = null;
         try {
-            conn = (HttpURLConnection) new URL(url).openConnection();
+            conn = (HttpURLConnection)new URL(url).openConnection();
             conn.setRequestMethod("POST");
             conn.setConnectTimeout(3000);
-            conn.setReadTimeout((int) readTimeoutMs);
+            conn.setReadTimeout((int)readTimeoutMs);
             conn.setDoOutput(true);
             conn.setDoInput(true);
             setHeaders(conn, headers, encoding);
@@ -145,7 +142,6 @@ public class HttpTinyClient {
         final public int code;
         final public String content;
 
-
         public HttpResult(int code, String content) {
             this.code = code;
             this.content = content;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/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 a5152f8..b569c24 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
@@ -6,40 +6,46 @@
  * (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.utils;
 
-import org.apache.rocketmq.remoting.common.RemotingHelper;
-
-import java.io.*;
+import java.io.BufferedReader;
+import java.io.CharArrayWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.io.Reader;
+import java.io.Writer;
 import java.nio.channels.FileChannel;
 import java.util.ArrayList;
 import java.util.List;
-
+import org.apache.rocketmq.remoting.common.RemotingHelper;
 
 public class IOTinyUtils {
 
     static public String toString(InputStream input, String encoding) throws IOException {
         return (null == encoding) ? toString(new InputStreamReader(input, RemotingHelper.DEFAULT_CHARSET)) : toString(new InputStreamReader(
-                input, encoding));
+            input, encoding));
     }
 
-
     static public String toString(Reader reader) throws IOException {
         CharArrayWriter sw = new CharArrayWriter();
         copy(reader, sw);
         return sw.toString();
     }
 
-
     static public long copy(Reader input, Writer output) throws IOException {
         char[] buffer = new char[1 << 12];
         long count = 0;
@@ -50,7 +56,6 @@ public class IOTinyUtils {
         return count;
     }
 
-
     /**
 
      */
@@ -58,7 +63,7 @@ public class IOTinyUtils {
         BufferedReader reader = toBufferedReader(input);
         List<String> list = new ArrayList<String>();
         String line = null;
-        for (;;) {
+        for (; ; ) {
             line = reader.readLine();
             if (null != line) {
                 list.add(line);
@@ -69,12 +74,10 @@ public class IOTinyUtils {
         return list;
     }
 
-
     static private BufferedReader toBufferedReader(Reader reader) {
-        return reader instanceof BufferedReader ? (BufferedReader) reader : new BufferedReader(reader);
+        return reader instanceof BufferedReader ? (BufferedReader)reader : new BufferedReader(reader);
     }
 
-
     static public void copyFile(String source, String target) throws IOException {
         File sf = new File(source);
         if (!sf.exists()) {
@@ -102,7 +105,6 @@ public class IOTinyUtils {
         }
     }
 
-
     public static void delete(File fileOrDir) throws IOException {
         if (fileOrDir == null) {
             return;
@@ -115,7 +117,6 @@ public class IOTinyUtils {
         fileOrDir.delete();
     }
 
-
     /**
 
      */
@@ -149,7 +150,6 @@ public class IOTinyUtils {
         }
     }
 
-
     public static void writeStringToFile(File file, String data, String encoding) throws IOException {
         OutputStream os = null;
         try {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/common/src/test/java/org/apache/rocketmq/common/MixAllTest.java
----------------------------------------------------------------------
diff --git a/common/src/test/java/org/apache/rocketmq/common/MixAllTest.java b/common/src/test/java/org/apache/rocketmq/common/MixAllTest.java
index 0006f74..3205c64 100644
--- a/common/src/test/java/org/apache/rocketmq/common/MixAllTest.java
+++ b/common/src/test/java/org/apache/rocketmq/common/MixAllTest.java
@@ -6,23 +6,21 @@
  * (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;
 
-import junit.framework.Assert;
-import org.junit.Test;
-
 import java.net.InetAddress;
 import java.util.List;
-
+import junit.framework.Assert;
+import org.junit.Test;
 
 public class MixAllTest {
 

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/common/src/test/java/org/apache/rocketmq/common/RemotingUtilTest.java
----------------------------------------------------------------------
diff --git a/common/src/test/java/org/apache/rocketmq/common/RemotingUtilTest.java b/common/src/test/java/org/apache/rocketmq/common/RemotingUtilTest.java
index b7509b1..9211d37 100644
--- a/common/src/test/java/org/apache/rocketmq/common/RemotingUtilTest.java
+++ b/common/src/test/java/org/apache/rocketmq/common/RemotingUtilTest.java
@@ -6,20 +6,19 @@
  * (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;
 
 import org.apache.rocketmq.remoting.common.RemotingUtil;
 import org.junit.Test;
 
-
 public class RemotingUtilTest {
     @Test
     public void test() throws Exception {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/common/src/test/java/org/apache/rocketmq/common/UtilAllTest.java
----------------------------------------------------------------------
diff --git a/common/src/test/java/org/apache/rocketmq/common/UtilAllTest.java b/common/src/test/java/org/apache/rocketmq/common/UtilAllTest.java
index decd3d0..b21d65b 100644
--- a/common/src/test/java/org/apache/rocketmq/common/UtilAllTest.java
+++ b/common/src/test/java/org/apache/rocketmq/common/UtilAllTest.java
@@ -6,25 +6,23 @@
  * (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;
 
-import org.junit.Test;
-
 import java.net.URL;
 import java.util.Properties;
+import org.junit.Test;
 
 import static org.junit.Assert.assertTrue;
 
-
 public class UtilAllTest {
 
     @Test
@@ -32,7 +30,6 @@ public class UtilAllTest {
         System.out.println(UtilAll.currentStackTrace());
     }
 
-
     @Test
     public void test_a() {
         URL url = this.getClass().getProtectionDomain().getCodeSource().getLocation();
@@ -40,14 +37,12 @@ public class UtilAllTest {
         System.out.println(url.getPath());
     }
 
-
     @Test
     public void test_resetClassProperties() {
         DemoConfig demoConfig = new DemoConfig();
         MixAll.properties2Object(new Properties(), demoConfig);
     }
 
-
     @Test
     public void test_properties2String() {
         DemoConfig demoConfig = new DemoConfig();
@@ -55,13 +50,11 @@ public class UtilAllTest {
         System.out.println(MixAll.properties2String(properties));
     }
 
-
     @Test
     public void test_timeMillisToHumanString() {
         System.out.println(UtilAll.timeMillisToHumanString());
     }
 
-
     @Test
     public void test_isPropertiesEqual() {
         final Properties p1 = new Properties();
@@ -77,7 +70,6 @@ public class UtilAllTest {
         assertTrue(MixAll.isPropertiesEqual(p1, p2));
     }
 
-
     @Test
     public void test_getpid() {
         int pid = UtilAll.getPid();
@@ -86,7 +78,6 @@ public class UtilAllTest {
         assertTrue(pid > 0);
     }
 
-
     @Test
     public void test_isBlank() {
         {
@@ -121,42 +112,34 @@ public class UtilAllTest {
         private boolean demoOK = false;
         private String demoName = "haha";
 
-
         public int getDemoWidth() {
             return demoWidth;
         }
 
-
         public void setDemoWidth(int demoWidth) {
             this.demoWidth = demoWidth;
         }
 
-
         public int getDemoLength() {
             return demoLength;
         }
 
-
         public void setDemoLength(int demoLength) {
             this.demoLength = demoLength;
         }
 
-
         public boolean isDemoOK() {
             return demoOK;
         }
 
-
         public void setDemoOK(boolean demoOK) {
             this.demoOK = demoOK;
         }
 
-
         public String getDemoName() {
             return demoName;
         }
 
-
         public void setDemoNfieldame(String demoName) {
             this.demoName = demoName;
         }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/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 cf26efd..5a97db9 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
@@ -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.filter;
@@ -21,7 +21,6 @@ import org.apache.rocketmq.common.protocol.heartbeat.SubscriptionData;
 import org.apache.rocketmq.remoting.protocol.RemotingSerializable;
 import org.junit.Test;
 
-
 /**
  *
  */
@@ -30,14 +29,14 @@ public class FilterAPITest {
     @Test
     public void testBuildSubscriptionData() throws Exception {
         SubscriptionData subscriptionData =
-                FilterAPI.buildSubscriptionData("ConsumerGroup1", "TestTopic", "TAG1 || Tag2 || tag3");
+            FilterAPI.buildSubscriptionData("ConsumerGroup1", "TestTopic", "TAG1 || Tag2 || tag3");
         System.out.println(subscriptionData);
     }
 
     @Test
     public void testSubscriptionData() throws Exception {
         SubscriptionData subscriptionData =
-                FilterAPI.buildSubscriptionData("ConsumerGroup1", "TestTopic", "TAG1 || Tag2 || tag3");
+            FilterAPI.buildSubscriptionData("ConsumerGroup1", "TestTopic", "TAG1 || Tag2 || tag3");
         subscriptionData.setFilterClassSource("java hello");
         String json = RemotingSerializable.toJson(subscriptionData, true);
         System.out.println(json);

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/common/src/test/java/org/apache/rocketmq/common/protocol/ConsumeStatusTest.java
----------------------------------------------------------------------
diff --git a/common/src/test/java/org/apache/rocketmq/common/protocol/ConsumeStatusTest.java b/common/src/test/java/org/apache/rocketmq/common/protocol/ConsumeStatusTest.java
index 79c6bbf..b511537 100644
--- a/common/src/test/java/org/apache/rocketmq/common/protocol/ConsumeStatusTest.java
+++ b/common/src/test/java/org/apache/rocketmq/common/protocol/ConsumeStatusTest.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.protocol;
@@ -21,7 +21,6 @@ import org.apache.rocketmq.common.protocol.body.ConsumeStatus;
 import org.apache.rocketmq.remoting.protocol.RemotingSerializable;
 import org.junit.Test;
 
-
 public class ConsumeStatusTest {
 
     @Test

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/conf/2m-2s-async/broker-a-s.properties
----------------------------------------------------------------------
diff --git a/conf/2m-2s-async/broker-a-s.properties b/conf/2m-2s-async/broker-a-s.properties
index a4401f8..60fddf9 100644
--- a/conf/2m-2s-async/broker-a-s.properties
+++ b/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/388ba7a5/conf/2m-2s-async/broker-a.properties
----------------------------------------------------------------------
diff --git a/conf/2m-2s-async/broker-a.properties b/conf/2m-2s-async/broker-a.properties
index 6ca12f1..367f974 100644
--- a/conf/2m-2s-async/broker-a.properties
+++ b/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/388ba7a5/conf/2m-2s-async/broker-b-s.properties
----------------------------------------------------------------------
diff --git a/conf/2m-2s-async/broker-b-s.properties b/conf/2m-2s-async/broker-b-s.properties
index 51f8daf..bcd5a16 100644
--- a/conf/2m-2s-async/broker-b-s.properties
+++ b/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/388ba7a5/conf/2m-2s-async/broker-b.properties
----------------------------------------------------------------------
diff --git a/conf/2m-2s-async/broker-b.properties b/conf/2m-2s-async/broker-b.properties
index f7f3791..33b68fe 100644
--- a/conf/2m-2s-async/broker-b.properties
+++ b/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/388ba7a5/conf/2m-2s-sync/broker-a-s.properties
----------------------------------------------------------------------
diff --git a/conf/2m-2s-sync/broker-a-s.properties b/conf/2m-2s-sync/broker-a-s.properties
index a4401f8..60fddf9 100644
--- a/conf/2m-2s-sync/broker-a-s.properties
+++ b/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/388ba7a5/conf/2m-2s-sync/broker-a.properties
----------------------------------------------------------------------
diff --git a/conf/2m-2s-sync/broker-a.properties b/conf/2m-2s-sync/broker-a.properties
index 135552d..b916f88 100644
--- a/conf/2m-2s-sync/broker-a.properties
+++ b/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/388ba7a5/conf/2m-2s-sync/broker-b-s.properties
----------------------------------------------------------------------
diff --git a/conf/2m-2s-sync/broker-b-s.properties b/conf/2m-2s-sync/broker-b-s.properties
index 51f8daf..bcd5a16 100644
--- a/conf/2m-2s-sync/broker-b-s.properties
+++ b/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/388ba7a5/conf/2m-2s-sync/broker-b.properties
----------------------------------------------------------------------
diff --git a/conf/2m-2s-sync/broker-b.properties b/conf/2m-2s-sync/broker-b.properties
index 97162a7..44fcea7 100644
--- a/conf/2m-2s-sync/broker-b.properties
+++ b/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/388ba7a5/conf/2m-noslave/broker-a.properties
----------------------------------------------------------------------
diff --git a/conf/2m-noslave/broker-a.properties b/conf/2m-noslave/broker-a.properties
index 6ca12f1..367f974 100644
--- a/conf/2m-noslave/broker-a.properties
+++ b/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/388ba7a5/conf/2m-noslave/broker-b.properties
----------------------------------------------------------------------
diff --git a/conf/2m-noslave/broker-b.properties b/conf/2m-noslave/broker-b.properties
index f7f3791..33b68fe 100644
--- a/conf/2m-noslave/broker-b.properties
+++ b/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/388ba7a5/conf/broker.conf
----------------------------------------------------------------------
diff --git a/conf/broker.conf b/conf/broker.conf
index 6ca12f1..0c0b28b 100644
--- a/conf/broker.conf
+++ b/conf/broker.conf
@@ -13,10 +13,10 @@
 #  See the License for the specific language governing permissions and
 #  limitations under the License.
 
-brokerClusterName=DefaultCluster
-brokerName=broker-a
-brokerId=0
-deleteWhen=04
-fileReservedTime=48
-brokerRole=ASYNC_MASTER
-flushDiskType=ASYNC_FLUSH
+brokerClusterName = DefaultCluster
+brokerName = broker-a
+brokerId = 0
+deleteWhen = 04
+fileReservedTime = 48
+brokerRole = ASYNC_MASTER
+flushDiskType = ASYNC_FLUSH

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/conf/logback_broker.xml
----------------------------------------------------------------------
diff --git a/conf/logback_broker.xml b/conf/logback_broker.xml
index 49e9d12..7a8f83b 100644
--- a/conf/logback_broker.xml
+++ b/conf/logback_broker.xml
@@ -28,7 +28,7 @@
             <maxIndex>10</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -48,7 +48,7 @@
             <maxIndex>20</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>128MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -71,7 +71,7 @@
             <maxIndex>10</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -94,7 +94,7 @@
             <maxIndex>10</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -117,7 +117,7 @@
             <maxIndex>10</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>128MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -140,7 +140,7 @@
             <maxIndex>10</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -163,7 +163,7 @@
             <maxIndex>10</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -187,7 +187,7 @@
             <maxIndex>10</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -210,7 +210,7 @@
             <maxIndex>5</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -233,7 +233,7 @@
             <maxIndex>5</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -253,7 +253,7 @@
             <maxIndex>10</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>500MB</maxFileSize>
         </triggeringPolicy>
     </appender>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/conf/logback_filtersrv.xml
----------------------------------------------------------------------
diff --git a/conf/logback_filtersrv.xml b/conf/logback_filtersrv.xml
index 8de4e08..9668795 100644
--- a/conf/logback_filtersrv.xml
+++ b/conf/logback_filtersrv.xml
@@ -28,7 +28,7 @@
             <maxIndex>5</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -48,7 +48,7 @@
             <maxIndex>5</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/conf/logback_namesrv.xml
----------------------------------------------------------------------
diff --git a/conf/logback_namesrv.xml b/conf/logback_namesrv.xml
index 7a60c76..45ccf4f 100644
--- a/conf/logback_namesrv.xml
+++ b/conf/logback_namesrv.xml
@@ -28,7 +28,7 @@
             <maxIndex>5</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -48,7 +48,7 @@
             <maxIndex>5</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/conf/logback_tools.xml
----------------------------------------------------------------------
diff --git a/conf/logback_tools.xml b/conf/logback_tools.xml
index addf211..35d33a5 100644
--- a/conf/logback_tools.xml
+++ b/conf/logback_tools.xml
@@ -28,7 +28,7 @@
             <maxIndex>5</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>
@@ -48,7 +48,7 @@
             <maxIndex>5</maxIndex>
         </rollingPolicy>
         <triggeringPolicy
-                class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
+            class="ch.qos.logback.core.rolling.SizeBasedTriggeringPolicy">
             <maxFileSize>100MB</maxFileSize>
         </triggeringPolicy>
         <encoder>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/pom.xml
----------------------------------------------------------------------
diff --git a/example/pom.xml b/example/pom.xml
index 53aa6a6..efb1aa5 100644
--- a/example/pom.xml
+++ b/example/pom.xml
@@ -15,7 +15,7 @@
    limitations under the License.
   -->
 
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://maven.apache.org/POM/4.0.0"
          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <parent>
         <groupId>org.apache.rocketmq</groupId>

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/src/main/java/org/apache/rocketmq/example/benchmark/Consumer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/benchmark/Consumer.java b/example/src/main/java/org/apache/rocketmq/example/benchmark/Consumer.java
index 1fbb8a4..f810f5a 100644
--- a/example/src/main/java/org/apache/rocketmq/example/benchmark/Consumer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/benchmark/Consumer.java
@@ -17,6 +17,15 @@
 
 package org.apache.rocketmq.example.benchmark;
 
+import java.util.LinkedList;
+import java.util.List;
+import java.util.Timer;
+import java.util.TimerTask;
+import java.util.concurrent.atomic.AtomicLong;
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.Option;
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.PosixParser;
 import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
 import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
 import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
@@ -24,16 +33,6 @@ import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
 import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.common.message.MessageExt;
 import org.apache.rocketmq.srvutil.ServerUtil;
-import org.apache.commons.cli.CommandLine;
-import org.apache.commons.cli.Option;
-import org.apache.commons.cli.Options;
-import org.apache.commons.cli.PosixParser;
-
-import java.util.LinkedList;
-import java.util.List;
-import java.util.Timer;
-import java.util.TimerTask;
-import java.util.concurrent.atomic.AtomicLong;
 
 public class Consumer {
 
@@ -77,17 +76,16 @@ public class Consumer {
                     Long[] end = snapshotList.getLast();
 
                     final long consumeTps =
-                            (long) (((end[1] - begin[1]) / (double) (end[0] - begin[0])) * 1000L);
-                    final double averageB2CRT = (end[2] - begin[2]) / (double) (end[1] - begin[1]);
-                    final double averageS2CRT = (end[3] - begin[3]) / (double) (end[1] - begin[1]);
+                        (long)(((end[1] - begin[1]) / (double)(end[0] - begin[0])) * 1000L);
+                    final double averageB2CRT = (end[2] - begin[2]) / (double)(end[1] - begin[1]);
+                    final double averageS2CRT = (end[3] - begin[3]) / (double)(end[1] - begin[1]);
 
                     System.out.printf("Consume TPS: %d Average(B2C) RT: %7.3f Average(S2C) RT: %7.3f MAX(B2C) RT: %d MAX(S2C) RT: %d%n",
-                            consumeTps, averageB2CRT, averageS2CRT, end[4], end[5]
+                        consumeTps, averageB2CRT, averageS2CRT, end[4], end[5]
                     );
                 }
             }
 
-
             @Override
             public void run() {
                 try {
@@ -106,7 +104,7 @@ public class Consumer {
         consumer.registerMessageListener(new MessageListenerConcurrently() {
             @Override
             public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
-                                                            ConsumeConcurrentlyContext context) {
+                ConsumeConcurrentlyContext context) {
                 MessageExt msg = msgs.get(0);
                 long now = System.currentTimeMillis();
 
@@ -140,7 +138,6 @@ public class Consumer {
         opt.setRequired(false);
         options.addOption(opt);
 
-
         opt = new Option("p", "group prefix enable", true, "Consumer group name, Default: false");
         opt.setRequired(false);
         options.addOption(opt);
@@ -148,7 +145,6 @@ public class Consumer {
         return options;
     }
 
-
     public static void compareAndSetMax(final AtomicLong target, final long value) {
         long prev = target.get();
         while (value > prev) {
@@ -161,7 +157,6 @@ public class Consumer {
     }
 }
 
-
 class StatsBenchmarkConsumer {
     private final AtomicLong receiveMessageTotalCount = new AtomicLong(0L);
 
@@ -173,41 +168,35 @@ class StatsBenchmarkConsumer {
 
     private final AtomicLong store2ConsumerMaxRT = new AtomicLong(0L);
 
-
     public Long[] createSnapshot() {
-        Long[] snap = new Long[]{
-                System.currentTimeMillis(),
-                this.receiveMessageTotalCount.get(),
-                this.born2ConsumerTotalRT.get(),
-                this.store2ConsumerTotalRT.get(),
-                this.born2ConsumerMaxRT.get(),
-                this.store2ConsumerMaxRT.get(),
+        Long[] snap = new Long[] {
+            System.currentTimeMillis(),
+            this.receiveMessageTotalCount.get(),
+            this.born2ConsumerTotalRT.get(),
+            this.store2ConsumerTotalRT.get(),
+            this.born2ConsumerMaxRT.get(),
+            this.store2ConsumerMaxRT.get(),
         };
 
         return snap;
     }
 
-
     public AtomicLong getReceiveMessageTotalCount() {
         return receiveMessageTotalCount;
     }
 
-
     public AtomicLong getBorn2ConsumerTotalRT() {
         return born2ConsumerTotalRT;
     }
 
-
     public AtomicLong getStore2ConsumerTotalRT() {
         return store2ConsumerTotalRT;
     }
 
-
     public AtomicLong getBorn2ConsumerMaxRT() {
         return born2ConsumerMaxRT;
     }
 
-
     public AtomicLong getStore2ConsumerMaxRT() {
         return store2ConsumerMaxRT;
     }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/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 3b13f94..88e9a4f 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
@@ -16,6 +16,17 @@
  */
 package org.apache.rocketmq.example.benchmark;
 
+import java.io.UnsupportedEncodingException;
+import java.util.LinkedList;
+import java.util.Timer;
+import java.util.TimerTask;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.atomic.AtomicLong;
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.Option;
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.PosixParser;
 import org.apache.rocketmq.client.exception.MQBrokerException;
 import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.client.log.ClientLogger;
@@ -24,20 +35,8 @@ import org.apache.rocketmq.common.message.Message;
 import org.apache.rocketmq.remoting.common.RemotingHelper;
 import org.apache.rocketmq.remoting.exception.RemotingException;
 import org.apache.rocketmq.srvutil.ServerUtil;
-import org.apache.commons.cli.CommandLine;
-import org.apache.commons.cli.Option;
-import org.apache.commons.cli.Options;
-import org.apache.commons.cli.PosixParser;
 import org.slf4j.Logger;
 
-import java.io.UnsupportedEncodingException;
-import java.util.LinkedList;
-import java.util.Timer;
-import java.util.TimerTask;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.atomic.AtomicLong;
-
 public class Producer {
     public static void main(String[] args) throws MQClientException, UnsupportedEncodingException {
 
@@ -82,15 +81,14 @@ public class Producer {
                     Long[] begin = snapshotList.getFirst();
                     Long[] end = snapshotList.getLast();
 
-                    final long sendTps = (long) (((end[3] - begin[3]) / (double) (end[0] - begin[0])) * 1000L);
-                    final double averageRT = (end[5] - begin[5]) / (double) (end[3] - begin[3]);
+                    final long sendTps = (long)(((end[3] - begin[3]) / (double)(end[0] - begin[0])) * 1000L);
+                    final double averageRT = (end[5] - begin[5]) / (double)(end[3] - begin[3]);
 
                     System.out.printf("Send TPS: %d Max RT: %d Average RT: %7.3f Send Failed: %d Response Failed: %d%n",
-                            sendTps, statsBenchmark.getSendMessageMaxRT().get(), averageRT, end[2], end[4]);
+                        sendTps, statsBenchmark.getSendMessageMaxRT().get(), averageRT, end[2], end[4]);
                 }
             }
 
-
             @Override
             public void run() {
                 try {
@@ -202,7 +200,6 @@ public class Producer {
     }
 }
 
-
 class StatsBenchmarkProducer {
     private final AtomicLong sendRequestSuccessCount = new AtomicLong(0L);
 
@@ -216,46 +213,39 @@ class StatsBenchmarkProducer {
 
     private final AtomicLong sendMessageMaxRT = new AtomicLong(0L);
 
-
     public Long[] createSnapshot() {
-        Long[] snap = new Long[]{
-                System.currentTimeMillis(),
-                this.sendRequestSuccessCount.get(),
-                this.sendRequestFailedCount.get(),
-                this.receiveResponseSuccessCount.get(),
-                this.receiveResponseFailedCount.get(),
-                this.sendMessageSuccessTimeTotal.get(),
+        Long[] snap = new Long[] {
+            System.currentTimeMillis(),
+            this.sendRequestSuccessCount.get(),
+            this.sendRequestFailedCount.get(),
+            this.receiveResponseSuccessCount.get(),
+            this.receiveResponseFailedCount.get(),
+            this.sendMessageSuccessTimeTotal.get(),
         };
 
         return snap;
     }
 
-
     public AtomicLong getSendRequestSuccessCount() {
         return sendRequestSuccessCount;
     }
 
-
     public AtomicLong getSendRequestFailedCount() {
         return sendRequestFailedCount;
     }
 
-
     public AtomicLong getReceiveResponseSuccessCount() {
         return receiveResponseSuccessCount;
     }
 
-
     public AtomicLong getReceiveResponseFailedCount() {
         return receiveResponseFailedCount;
     }
 
-
     public AtomicLong getSendMessageSuccessTimeTotal() {
         return sendMessageSuccessTimeTotal;
     }
 
-
     public AtomicLong getSendMessageMaxRT() {
         return sendMessageMaxRT;
     }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/src/main/java/org/apache/rocketmq/example/benchmark/TransactionProducer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/benchmark/TransactionProducer.java b/example/src/main/java/org/apache/rocketmq/example/benchmark/TransactionProducer.java
index 43f159b..ce4b1ab 100644
--- a/example/src/main/java/org/apache/rocketmq/example/benchmark/TransactionProducer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/benchmark/TransactionProducer.java
@@ -17,12 +17,6 @@
 
 package org.apache.rocketmq.example.benchmark;
 
-import org.apache.rocketmq.client.exception.MQClientException;
-import org.apache.rocketmq.common.message.Message;
-import org.apache.rocketmq.common.message.MessageExt;
-import org.apache.rocketmq.remoting.common.RemotingHelper;
-import org.apache.rocketmq.client.producer.*;
-
 import java.io.UnsupportedEncodingException;
 import java.util.LinkedList;
 import java.util.Timer;
@@ -30,6 +24,15 @@ import java.util.TimerTask;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
 import java.util.concurrent.atomic.AtomicLong;
+import org.apache.rocketmq.client.exception.MQClientException;
+import org.apache.rocketmq.client.producer.LocalTransactionExecuter;
+import org.apache.rocketmq.client.producer.LocalTransactionState;
+import org.apache.rocketmq.client.producer.SendResult;
+import org.apache.rocketmq.client.producer.TransactionCheckListener;
+import org.apache.rocketmq.client.producer.TransactionMQProducer;
+import org.apache.rocketmq.common.message.Message;
+import org.apache.rocketmq.common.message.MessageExt;
+import org.apache.rocketmq.remoting.common.RemotingHelper;
 
 public class TransactionProducer {
     private static int threadCount;
@@ -37,7 +40,6 @@ public class TransactionProducer {
     private static boolean ischeck;
     private static boolean ischeckffalse;
 
-
     public static void main(String[] args) throws MQClientException, UnsupportedEncodingException {
         threadCount = args.length >= 1 ? Integer.parseInt(args[0]) : 32;
         messageSize = args.length >= 2 ? Integer.parseInt(args[1]) : 1024 * 2;
@@ -71,16 +73,15 @@ public class TransactionProducer {
                     Long[] end = snapshotList.getLast();
 
                     final long sendTps =
-                            (long) (((end[3] - begin[3]) / (double) (end[0] - begin[0])) * 1000L);
-                    final double averageRT = (end[5] - begin[5]) / (double) (end[3] - begin[3]);
+                        (long)(((end[3] - begin[3]) / (double)(end[0] - begin[0])) * 1000L);
+                    final double averageRT = (end[5] - begin[5]) / (double)(end[3] - begin[3]);
 
                     System.out.printf(
-                            "Send TPS: %d Max RT: %d Average RT: %7.3f Send Failed: %d Response Failed: %d transaction checkCount: %d %n",
-                            sendTps, statsBenchmark.getSendMessageMaxRT().get(), averageRT, end[2], end[4], end[6]);
+                        "Send TPS: %d Max RT: %d Average RT: %7.3f Send Failed: %d Response Failed: %d transaction checkCount: %d %n",
+                        sendTps, statsBenchmark.getSendMessageMaxRT().get(), averageRT, end[2], end[4], end[6]);
                 }
             }
 
-
             @Override
             public void run() {
                 try {
@@ -92,7 +93,7 @@ public class TransactionProducer {
         }, 10000, 10000);
 
         final TransactionCheckListener transactionCheckListener =
-                new TransactionCheckListenerBImpl(ischeckffalse, statsBenchmark);
+            new TransactionCheckListenerBImpl(ischeckffalse, statsBenchmark);
         final TransactionMQProducer producer = new TransactionMQProducer("benchmark_transaction_producer");
         producer.setInstanceName(Long.toString(System.currentTimeMillis()));
         producer.setTransactionCheckListener(transactionCheckListener);
@@ -110,7 +111,7 @@ public class TransactionProducer {
                             // Thread.sleep(1000);
                             final long beginTimestamp = System.currentTimeMillis();
                             SendResult sendResult =
-                                    producer.sendMessageInTransaction(msg, tranExecuter, null);
+                                producer.sendMessageInTransaction(msg, tranExecuter, null);
                             if (sendResult != null) {
                                 statsBenchmark.getSendRequestSuccessCount().incrementAndGet();
                                 statsBenchmark.getReceiveResponseSuccessCount().incrementAndGet();
@@ -121,8 +122,8 @@ public class TransactionProducer {
                             long prevMaxRT = statsBenchmark.getSendMessageMaxRT().get();
                             while (currentRT > prevMaxRT) {
                                 boolean updated =
-                                        statsBenchmark.getSendMessageMaxRT().compareAndSet(prevMaxRT,
-                                                currentRT);
+                                    statsBenchmark.getSendMessageMaxRT().compareAndSet(prevMaxRT,
+                                        currentRT);
                                 if (updated)
                                     break;
 
@@ -137,7 +138,6 @@ public class TransactionProducer {
         }
     }
 
-
     private static Message buildMessage(final int messageSize) throws UnsupportedEncodingException {
         Message msg = new Message();
         msg.setTopic("BenchmarkTest");
@@ -153,17 +153,14 @@ public class TransactionProducer {
     }
 }
 
-
 class TransactionExecuterBImpl implements LocalTransactionExecuter {
 
     private boolean ischeck;
 
-
     public TransactionExecuterBImpl(boolean ischeck) {
         this.ischeck = ischeck;
     }
 
-
     @Override
     public LocalTransactionState executeLocalTransactionBranch(final Message msg, final Object arg) {
         if (ischeck) {
@@ -173,19 +170,16 @@ class TransactionExecuterBImpl implements LocalTransactionExecuter {
     }
 }
 
-
 class TransactionCheckListenerBImpl implements TransactionCheckListener {
     private boolean ischeckffalse;
     private StatsBenchmarkTProducer statsBenchmarkTProducer;
 
-
     public TransactionCheckListenerBImpl(boolean ischeckffalse,
-                                         StatsBenchmarkTProducer statsBenchmarkTProducer) {
+        StatsBenchmarkTProducer statsBenchmarkTProducer) {
         this.ischeckffalse = ischeckffalse;
         this.statsBenchmarkTProducer = statsBenchmarkTProducer;
     }
 
-
     @Override
     public LocalTransactionState checkLocalTransactionState(MessageExt msg) {
         statsBenchmarkTProducer.getCheckRequestSuccessCount().incrementAndGet();
@@ -198,7 +192,6 @@ class TransactionCheckListenerBImpl implements TransactionCheckListener {
     }
 }
 
-
 class StatsBenchmarkTProducer {
     private final AtomicLong sendRequestSuccessCount = new AtomicLong(0L);
 
@@ -214,51 +207,43 @@ class StatsBenchmarkTProducer {
 
     private final AtomicLong checkRequestSuccessCount = new AtomicLong(0L);
 
-
     public Long[] createSnapshot() {
-        Long[] snap = new Long[]{
-                System.currentTimeMillis(),
-                this.sendRequestSuccessCount.get(),
-                this.sendRequestFailedCount.get(),
-                this.receiveResponseSuccessCount.get(),
-                this.receiveResponseFailedCount.get(),
-                this.sendMessageSuccessTimeTotal.get(),
-                this.checkRequestSuccessCount.get()};
+        Long[] snap = new Long[] {
+            System.currentTimeMillis(),
+            this.sendRequestSuccessCount.get(),
+            this.sendRequestFailedCount.get(),
+            this.receiveResponseSuccessCount.get(),
+            this.receiveResponseFailedCount.get(),
+            this.sendMessageSuccessTimeTotal.get(),
+            this.checkRequestSuccessCount.get()};
 
         return snap;
     }
 
-
     public AtomicLong getSendRequestSuccessCount() {
         return sendRequestSuccessCount;
     }
 
-
     public AtomicLong getSendRequestFailedCount() {
         return sendRequestFailedCount;
     }
 
-
     public AtomicLong getReceiveResponseSuccessCount() {
         return receiveResponseSuccessCount;
     }
 
-
     public AtomicLong getReceiveResponseFailedCount() {
         return receiveResponseFailedCount;
     }
 
-
     public AtomicLong getSendMessageSuccessTimeTotal() {
         return sendMessageSuccessTimeTotal;
     }
 
-
     public AtomicLong getSendMessageMaxRT() {
         return sendMessageMaxRT;
     }
 
-
     public AtomicLong getCheckRequestSuccessCount() {
         return checkRequestSuccessCount;
     }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/src/main/java/org/apache/rocketmq/example/broadcast/PushConsumer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/broadcast/PushConsumer.java b/example/src/main/java/org/apache/rocketmq/example/broadcast/PushConsumer.java
index aa62a1e..6301b3b 100644
--- a/example/src/main/java/org/apache/rocketmq/example/broadcast/PushConsumer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/broadcast/PushConsumer.java
@@ -16,6 +16,7 @@
  */
 package org.apache.rocketmq.example.broadcast;
 
+import java.util.List;
 import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
 import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
 import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
@@ -25,8 +26,6 @@ import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
 import org.apache.rocketmq.common.message.MessageExt;
 import org.apache.rocketmq.common.protocol.heartbeat.MessageModel;
 
-import java.util.List;
-
 public class PushConsumer {
 
     public static void main(String[] args) throws InterruptedException, MQClientException {
@@ -42,7 +41,7 @@ public class PushConsumer {
 
             @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/388ba7a5/example/src/main/java/org/apache/rocketmq/example/filter/Consumer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/filter/Consumer.java b/example/src/main/java/org/apache/rocketmq/example/filter/Consumer.java
index d0a41f1..8d0fbe4 100644
--- a/example/src/main/java/org/apache/rocketmq/example/filter/Consumer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/filter/Consumer.java
@@ -16,6 +16,7 @@
  */
 package org.apache.rocketmq.example.filter;
 
+import java.util.List;
 import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
 import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
 import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
@@ -24,9 +25,6 @@ import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.common.MixAll;
 import org.apache.rocketmq.common.message.MessageExt;
 
-import java.util.List;
-
-
 public class Consumer {
 
     public static void main(String[] args) throws InterruptedException, MQClientException {
@@ -34,13 +32,13 @@ public class Consumer {
 
         String filterCode = MixAll.file2String("/home/admin/MessageFilterImpl.java");
         consumer.subscribe("TopicFilter7", "org.apache.rocketmq.example.filter.MessageFilterImpl",
-                filterCode);
+            filterCode);
 
         consumer.registerMessageListener(new MessageListenerConcurrently() {
 
             @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/388ba7a5/example/src/main/java/org/apache/rocketmq/example/filter/Producer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/filter/Producer.java b/example/src/main/java/org/apache/rocketmq/example/filter/Producer.java
index d58c28d..a2dba6c 100644
--- a/example/src/main/java/org/apache/rocketmq/example/filter/Producer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/filter/Producer.java
@@ -30,9 +30,9 @@ public class Producer {
         try {
             for (int i = 0; i < 6000000; i++) {
                 Message msg = new Message("TopicFilter7",
-                        "TagA",
-                        "OrderID001",
-                        "Hello world".getBytes(RemotingHelper.DEFAULT_CHARSET));
+                    "TagA",
+                    "OrderID001",
+                    "Hello world".getBytes(RemotingHelper.DEFAULT_CHARSET));
 
                 msg.putUserProperty("SequenceId", String.valueOf(i));
                 SendResult sendResult = producer.send(msg);

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/src/main/java/org/apache/rocketmq/example/operation/Consumer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/operation/Consumer.java b/example/src/main/java/org/apache/rocketmq/example/operation/Consumer.java
index a6a3aca..ec7d6ef 100644
--- a/example/src/main/java/org/apache/rocketmq/example/operation/Consumer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/operation/Consumer.java
@@ -16,22 +16,20 @@
  */
 package org.apache.rocketmq.example.operation;
 
-import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
-import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
-import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
-import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
-import org.apache.rocketmq.client.exception.MQClientException;
-import org.apache.rocketmq.common.message.MessageExt;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicLong;
 import org.apache.commons.cli.CommandLine;
 import org.apache.commons.cli.HelpFormatter;
 import org.apache.commons.cli.Option;
 import org.apache.commons.cli.Options;
 import org.apache.commons.cli.ParseException;
 import org.apache.commons.cli.PosixParser;
-
-import java.util.List;
-import java.util.concurrent.atomic.AtomicLong;
-
+import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
+import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
+import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
+import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
+import org.apache.rocketmq.client.exception.MQClientException;
+import org.apache.rocketmq.common.message.MessageExt;
 
 public class Consumer {
 
@@ -51,10 +49,9 @@ public class Consumer {
             consumer.registerMessageListener(new MessageListenerConcurrently() {
                 AtomicLong consumeTimes = new AtomicLong(0);
 
-
                 @Override
                 public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs,
-                                                                ConsumeConcurrentlyContext context) {
+                    ConsumeConcurrentlyContext context) {
                     long currentTimes = this.consumeTimes.incrementAndGet();
                     System.out.printf("%-8d %s%n", currentTimes, msgs);
                     if (Boolean.parseBoolean(returnFailedHalf)) {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/src/main/java/org/apache/rocketmq/example/operation/Producer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/operation/Producer.java b/example/src/main/java/org/apache/rocketmq/example/operation/Producer.java
index 54e256b..663acd0 100644
--- a/example/src/main/java/org/apache/rocketmq/example/operation/Producer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/operation/Producer.java
@@ -6,22 +6,27 @@
  * (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.example.operation;
 
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.HelpFormatter;
+import org.apache.commons.cli.Option;
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.ParseException;
+import org.apache.commons.cli.PosixParser;
 import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.client.producer.DefaultMQProducer;
 import org.apache.rocketmq.client.producer.SendResult;
 import org.apache.rocketmq.common.message.Message;
 import org.apache.rocketmq.remoting.common.RemotingHelper;
-import org.apache.commons.cli.*;
 
 public class Producer {
 
@@ -42,10 +47,10 @@ public class Producer {
             for (int i = 0; i < Integer.parseInt(msgCount); i++) {
                 try {
                     Message msg = new Message(
-                            topic,
-                            tags,
-                            keys,
-                            ("Hello RocketMQ " + i).getBytes(RemotingHelper.DEFAULT_CHARSET));
+                        topic,
+                        tags,
+                        keys,
+                        ("Hello RocketMQ " + i).getBytes(RemotingHelper.DEFAULT_CHARSET));
                     SendResult sendResult = producer.send(msg);
                     System.out.printf("%-8d %s%n", i, sendResult);
                 } catch (Exception e) {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/src/main/java/org/apache/rocketmq/example/ordermessage/Consumer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/ordermessage/Consumer.java b/example/src/main/java/org/apache/rocketmq/example/ordermessage/Consumer.java
index 7ddfbf7..0a25402 100644
--- a/example/src/main/java/org/apache/rocketmq/example/ordermessage/Consumer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/ordermessage/Consumer.java
@@ -16,6 +16,8 @@
  */
 package org.apache.rocketmq.example.ordermessage;
 
+import java.util.List;
+import java.util.concurrent.atomic.AtomicLong;
 import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
 import org.apache.rocketmq.client.consumer.listener.ConsumeOrderlyContext;
 import org.apache.rocketmq.client.consumer.listener.ConsumeOrderlyStatus;
@@ -24,10 +26,6 @@ import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
 import org.apache.rocketmq.common.message.MessageExt;
 
-import java.util.List;
-import java.util.concurrent.atomic.AtomicLong;
-
-
 public class Consumer {
 
     public static void main(String[] args) throws MQClientException {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/src/main/java/org/apache/rocketmq/example/ordermessage/Producer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/ordermessage/Producer.java b/example/src/main/java/org/apache/rocketmq/example/ordermessage/Producer.java
index 84c1da4..7abbb5a 100644
--- a/example/src/main/java/org/apache/rocketmq/example/ordermessage/Producer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/ordermessage/Producer.java
@@ -16,6 +16,8 @@
  */
 package org.apache.rocketmq.example.ordermessage;
 
+import java.io.UnsupportedEncodingException;
+import java.util.List;
 import org.apache.rocketmq.client.exception.MQBrokerException;
 import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.client.producer.DefaultMQProducer;
@@ -27,25 +29,22 @@ import org.apache.rocketmq.common.message.MessageQueue;
 import org.apache.rocketmq.remoting.common.RemotingHelper;
 import org.apache.rocketmq.remoting.exception.RemotingException;
 
-import java.io.UnsupportedEncodingException;
-import java.util.List;
-
 public class Producer {
     public static void main(String[] args) throws UnsupportedEncodingException {
         try {
             MQProducer producer = new DefaultMQProducer("please_rename_unique_group_name");
             producer.start();
 
-            String[] tags = new String[]{"TagA", "TagB", "TagC", "TagD", "TagE"};
+            String[] tags = new String[] {"TagA", "TagB", "TagC", "TagD", "TagE"};
             for (int i = 0; i < 100; i++) {
                 int orderId = i % 10;
                 Message msg =
-                        new Message("TopicTestjjj", tags[i % tags.length], "KEY" + i,
-                                ("Hello RocketMQ " + i).getBytes(RemotingHelper.DEFAULT_CHARSET));
+                    new Message("TopicTestjjj", tags[i % tags.length], "KEY" + i,
+                        ("Hello RocketMQ " + i).getBytes(RemotingHelper.DEFAULT_CHARSET));
                 SendResult sendResult = producer.send(msg, new MessageQueueSelector() {
                     @Override
                     public MessageQueue select(List<MessageQueue> mqs, Message msg, Object arg) {
-                        Integer id = (Integer) arg;
+                        Integer id = (Integer)arg;
                         int index = id % mqs.size();
                         return mqs.get(index);
                     }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/src/main/java/org/apache/rocketmq/example/quickstart/Consumer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/quickstart/Consumer.java b/example/src/main/java/org/apache/rocketmq/example/quickstart/Consumer.java
index 43566f0..513c269 100644
--- a/example/src/main/java/org/apache/rocketmq/example/quickstart/Consumer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/quickstart/Consumer.java
@@ -16,6 +16,7 @@
  */
 package org.apache.rocketmq.example.quickstart;
 
+import java.util.List;
 import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
 import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
 import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
@@ -24,8 +25,6 @@ import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
 import org.apache.rocketmq.common.message.MessageExt;
 
-import java.util.List;
-
 public class Consumer {
 
     public static void main(String[] args) throws InterruptedException, MQClientException {
@@ -39,7 +38,7 @@ public class Consumer {
 
             @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/388ba7a5/example/src/main/java/org/apache/rocketmq/example/quickstart/Producer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/quickstart/Producer.java b/example/src/main/java/org/apache/rocketmq/example/quickstart/Producer.java
index f6bd5df..a74d9df 100644
--- a/example/src/main/java/org/apache/rocketmq/example/quickstart/Producer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/quickstart/Producer.java
@@ -32,8 +32,8 @@ public class Producer {
         for (int i = 0; i < 1000; i++) {
             try {
                 Message msg = new Message("TopicTest",
-                        "TagA",
-                        ("Hello RocketMQ " + i).getBytes(RemotingHelper.DEFAULT_CHARSET)
+                    "TagA",
+                    ("Hello RocketMQ " + i).getBytes(RemotingHelper.DEFAULT_CHARSET)
                 );
                 SendResult sendResult = producer.send(msg);
                 LocalTransactionExecuter tranExecuter = new LocalTransactionExecuter() {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/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 68dbb67..d4d9975 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
@@ -16,6 +16,7 @@
  */
 package org.apache.rocketmq.example.simple;
 
+import java.io.UnsupportedEncodingException;
 import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.client.producer.DefaultMQProducer;
 import org.apache.rocketmq.client.producer.SendCallback;
@@ -23,9 +24,6 @@ import org.apache.rocketmq.client.producer.SendResult;
 import org.apache.rocketmq.common.message.Message;
 import org.apache.rocketmq.remoting.common.RemotingHelper;
 
-import java.io.UnsupportedEncodingException;
-
-
 public class AsyncProducer {
     public static void main(String[] args) throws MQClientException, InterruptedException, UnsupportedEncodingException {
 
@@ -37,9 +35,9 @@ public class AsyncProducer {
             try {
                 final int index = i;
                 Message msg = new Message("Jodie_topic_1023",
-                        "TagA",
-                        "OrderID188",
-                        "Hello world".getBytes(RemotingHelper.DEFAULT_CHARSET));
+                    "TagA",
+                    "OrderID188",
+                    "Hello world".getBytes(RemotingHelper.DEFAULT_CHARSET));
                 producer.send(msg, new SendCallback() {
                     @Override
                     public void onSuccess(SendResult sendResult) {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/src/main/java/org/apache/rocketmq/example/simple/CachedQueue.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/simple/CachedQueue.java b/example/src/main/java/org/apache/rocketmq/example/simple/CachedQueue.java
index 2b4ce23..54bf54f 100644
--- a/example/src/main/java/org/apache/rocketmq/example/simple/CachedQueue.java
+++ b/example/src/main/java/org/apache/rocketmq/example/simple/CachedQueue.java
@@ -6,26 +6,23 @@
  * (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.example.simple;
 
-import org.apache.rocketmq.common.message.MessageExt;
-
 import java.util.TreeMap;
-
+import org.apache.rocketmq.common.message.MessageExt;
 
 public class CachedQueue {
     private final TreeMap<Long, MessageExt> msgCachedTable = new TreeMap<Long, MessageExt>();
 
-
     public TreeMap<Long, MessageExt> getMsgCachedTable() {
         return msgCachedTable;
     }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/src/main/java/org/apache/rocketmq/example/simple/Producer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/simple/Producer.java b/example/src/main/java/org/apache/rocketmq/example/simple/Producer.java
index b035d57..590bcee 100644
--- a/example/src/main/java/org/apache/rocketmq/example/simple/Producer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/simple/Producer.java
@@ -22,7 +22,6 @@ import org.apache.rocketmq.client.producer.SendResult;
 import org.apache.rocketmq.common.message.Message;
 import org.apache.rocketmq.remoting.common.RemotingHelper;
 
-
 public class Producer {
     public static void main(String[] args) throws MQClientException, InterruptedException {
 
@@ -34,9 +33,9 @@ public class Producer {
             try {
                 {
                     Message msg = new Message("TopicTest",
-                            "TagA",
-                            "OrderID188",
-                            "Hello world".getBytes(RemotingHelper.DEFAULT_CHARSET));
+                        "TagA",
+                        "OrderID188",
+                        "Hello world".getBytes(RemotingHelper.DEFAULT_CHARSET));
                     SendResult sendResult = producer.send(msg);
                     System.out.printf("%s%n", sendResult);
                 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/src/main/java/org/apache/rocketmq/example/simple/PullConsumer.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/simple/PullConsumer.java b/example/src/main/java/org/apache/rocketmq/example/simple/PullConsumer.java
index 8c9ba15..c468f3a 100644
--- a/example/src/main/java/org/apache/rocketmq/example/simple/PullConsumer.java
+++ b/example/src/main/java/org/apache/rocketmq/example/simple/PullConsumer.java
@@ -16,19 +16,17 @@
  */
 package org.apache.rocketmq.example.simple;
 
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
 import org.apache.rocketmq.client.consumer.DefaultMQPullConsumer;
 import org.apache.rocketmq.client.consumer.PullResult;
 import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.common.message.MessageQueue;
 
-import java.util.HashMap;
-import java.util.Map;
-import java.util.Set;
-
 public class PullConsumer {
     private static final Map<MessageQueue, Long> OFFSE_TABLE = new HashMap<MessageQueue, Long>();
 
-
     public static void main(String[] args) throws MQClientException {
         DefaultMQPullConsumer consumer = new DefaultMQPullConsumer("please_rename_unique_group_name_5");
 
@@ -41,7 +39,7 @@ public class PullConsumer {
             while (true) {
                 try {
                     PullResult pullResult =
-                            consumer.pullBlockIfNotFound(mq, null, getMessageQueueOffset(mq), 32);
+                        consumer.pullBlockIfNotFound(mq, null, getMessageQueueOffset(mq), 32);
                     System.out.printf("%s%n", pullResult);
                     putMessageQueueOffset(mq, pullResult.getNextBeginOffset());
                     switch (pullResult.getPullStatus()) {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/example/src/main/java/org/apache/rocketmq/example/simple/PullScheduleService.java
----------------------------------------------------------------------
diff --git a/example/src/main/java/org/apache/rocketmq/example/simple/PullScheduleService.java b/example/src/main/java/org/apache/rocketmq/example/simple/PullScheduleService.java
index d38d679..b6bc8d2 100644
--- a/example/src/main/java/org/apache/rocketmq/example/simple/PullScheduleService.java
+++ b/example/src/main/java/org/apache/rocketmq/example/simple/PullScheduleService.java
@@ -26,7 +26,6 @@ import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.common.message.MessageQueue;
 import org.apache.rocketmq.common.protocol.heartbeat.MessageModel;
 
-
 public class PullScheduleService {
 
     public static void main(String[] args) throws MQClientException {
@@ -59,7 +58,6 @@ public class PullScheduleService {
                     }
                     consumer.updateConsumeOffset(mq, pullResult.getNextBeginOffset());
 
-
                     context.setPullNextDelayTimeMillis(100);
                 } catch (Exception e) {
                     e.printStackTrace();

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/388ba7a5/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 5929aff..78bb922 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
@@ -16,6 +16,7 @@
  */
 package org.apache.rocketmq.example.simple;
 
+import java.util.List;
 import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
 import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
 import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
@@ -24,9 +25,6 @@ import org.apache.rocketmq.client.exception.MQClientException;
 import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
 import org.apache.rocketmq.common.message.MessageExt;
 
-import java.util.List;
-
-
 public class PushConsumer {
 
     public static void main(String[] args) throws InterruptedException, MQClientException {