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Posted to commits@rocketmq.apache.org by yu...@apache.org on 2017/08/11 12:51:02 UTC

[6/9] incubator-rocketmq git commit: Reformat code globally second time

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filter/src/test/java/org/apache/rocketmq/filter/FilterSpiTest.java
----------------------------------------------------------------------
diff --git a/filter/src/test/java/org/apache/rocketmq/filter/FilterSpiTest.java b/filter/src/test/java/org/apache/rocketmq/filter/FilterSpiTest.java
index 22eeb86..bfbddf4 100644
--- a/filter/src/test/java/org/apache/rocketmq/filter/FilterSpiTest.java
+++ b/filter/src/test/java/org/apache/rocketmq/filter/FilterSpiTest.java
@@ -48,7 +48,6 @@ public class FilterSpiTest {
         }
     }
 
-
     @Test
     public void testRegister() {
         FilterFactory.INSTANCE.register(new NothingFilter());

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/filtersrv/src/main/java/org/apache/rocketmq/filtersrv/processor/DefaultRequestProcessor.java
----------------------------------------------------------------------
diff --git a/filtersrv/src/main/java/org/apache/rocketmq/filtersrv/processor/DefaultRequestProcessor.java b/filtersrv/src/main/java/org/apache/rocketmq/filtersrv/processor/DefaultRequestProcessor.java
index ff8450e..e459b1a 100644
--- a/filtersrv/src/main/java/org/apache/rocketmq/filtersrv/processor/DefaultRequestProcessor.java
+++ b/filtersrv/src/main/java/org/apache/rocketmq/filtersrv/processor/DefaultRequestProcessor.java
@@ -83,7 +83,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return false;
     }
 
-    private RemotingCommand registerMessageFilterClass(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    private RemotingCommand registerMessageFilterClass(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(null);
         final RegisterMessageFilterClassRequestHeader requestHeader =
             (RegisterMessageFilterClassRequestHeader) request.decodeCommandCustomHeader(RegisterMessageFilterClassRequestHeader.class);
@@ -108,7 +109,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    private RemotingCommand pullMessageForward(final ChannelHandlerContext ctx, final RemotingCommand request) throws Exception {
+    private RemotingCommand pullMessageForward(final ChannelHandlerContext ctx,
+        final RemotingCommand request) throws Exception {
         final RemotingCommand response = RemotingCommand.createResponseCommand(PullMessageResponseHeader.class);
         final PullMessageResponseHeader responseHeader = (PullMessageResponseHeader) response.readCustomHeader();
         final PullMessageRequestHeader requestHeader =
@@ -215,7 +217,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return null;
     }
 
-    private void returnResponse(final String group, final String topic, ChannelHandlerContext ctx, final RemotingCommand response,
+    private void returnResponse(final String group, final String topic, ChannelHandlerContext ctx,
+        final RemotingCommand response,
         final List<MessageExt> msgList) {
         if (null != msgList) {
             ByteBuffer[] msgBufferList = new ByteBuffer[msgList.size()];

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/logappender/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java
----------------------------------------------------------------------
diff --git a/logappender/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java b/logappender/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java
index 53521d4..d2adac5 100644
--- a/logappender/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java
+++ b/logappender/src/main/java/org/apache/rocketmq/logappender/common/ProducerInstance.java
@@ -52,7 +52,6 @@ public class ProducerInstance {
         return nameServerAddress + "_" + group;
     }
 
-
     public MQProducer getInstance(String nameServerAddress, String group) throws MQClientException {
         if (StringUtils.isBlank(group)) {
             group = DEFAULT_GROUP;
@@ -75,7 +74,6 @@ public class ProducerInstance {
         return defaultMQProducer;
     }
 
-
     public void removeAndClose(String nameServerAddress, String group) {
         if (group == null) {
             group = DEFAULT_GROUP;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/logappender/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java
----------------------------------------------------------------------
diff --git a/logappender/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java b/logappender/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java
index 3fd8d4c..646e924 100644
--- a/logappender/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java
+++ b/logappender/src/main/java/org/apache/rocketmq/logappender/log4j/RocketmqLog4jAppender.java
@@ -59,7 +59,6 @@ public class RocketmqLog4jAppender extends AppenderSkeleton {
     public RocketmqLog4jAppender() {
     }
 
-
     public void activateOptions() {
         LogLog.debug("Getting initial context.");
         if (!checkEntryConditions()) {
@@ -72,11 +71,8 @@ public class RocketmqLog4jAppender extends AppenderSkeleton {
         }
     }
 
-
     /**
      * Info,error,warn,callback method implementation
-     *
-     * @param event
      */
     public void append(LoggingEvent event) {
         if (null == producer) {
@@ -95,7 +91,7 @@ public class RocketmqLog4jAppender extends AppenderSkeleton {
         } catch (Exception e) {
             String msg = new String(data);
             errorHandler.error("Could not send message in RocketmqLog4jAppender [" + name + "].Message is :" + msg, e,
-                    ErrorCode.GENERIC_FAILURE);
+                ErrorCode.GENERIC_FAILURE);
         }
     }
 
@@ -145,7 +141,6 @@ public class RocketmqLog4jAppender extends AppenderSkeleton {
         return topic;
     }
 
-
     public void setTopic(String topic) {
         this.topic = topic;
     }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/logappender/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java
----------------------------------------------------------------------
diff --git a/logappender/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java b/logappender/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java
index 5a6362e..9543f1c 100644
--- a/logappender/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java
+++ b/logappender/src/main/java/org/apache/rocketmq/logappender/log4j2/RocketmqLog4j2Appender.java
@@ -70,10 +70,9 @@ public class RocketmqLog4j2Appender extends AbstractAppender {
      */
     private String topic;
 
-
     protected RocketmqLog4j2Appender(String name, Filter filter, Layout<? extends Serializable> layout,
-                                     boolean ignoreExceptions, String nameServerAddress, String producerGroup,
-                                     String topic, String tag) {
+        boolean ignoreExceptions, String nameServerAddress, String producerGroup,
+        String topic, String tag) {
         super(name, filter, layout, ignoreExceptions);
         this.producer = producer;
         this.topic = topic;
@@ -86,15 +85,13 @@ public class RocketmqLog4j2Appender extends AbstractAppender {
             ErrorHandler handler = this.getHandler();
             if (handler != null) {
                 handler.error("Starting RocketmqLog4j2Appender [" + this.getName()
-                        + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+                    + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
             }
         }
     }
 
     /**
      * Info,error,warn,callback method implementation
-     *
-     * @param event
      */
     public void append(LogEvent event) {
         if (null == producer) {
@@ -119,10 +116,6 @@ public class RocketmqLog4j2Appender extends AbstractAppender {
 
     /**
      * When system exit,this method will be called to close resources
-     *
-     * @param timeout
-     * @param timeUnit
-     * @return
      */
     public boolean stop(long timeout, TimeUnit timeUnit) {
         this.setStopping();
@@ -132,7 +125,7 @@ public class RocketmqLog4j2Appender extends AbstractAppender {
             ErrorHandler handler = this.getHandler();
             if (handler != null) {
                 handler.error("Closeing RocketmqLog4j2Appender [" + this.getName()
-                        + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+                    + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
             }
         }
 
@@ -227,7 +220,7 @@ public class RocketmqLog4j2Appender extends AbstractAppender {
 
         public RocketmqLog4j2Appender build() {
             return new RocketmqLog4j2Appender(name, filter, layout, ignoreExceptions,
-                    nameServerAddress, producerGroup, topic, tag);
+                nameServerAddress, producerGroup, topic, tag);
         }
     }
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/logappender/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java
----------------------------------------------------------------------
diff --git a/logappender/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java b/logappender/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java
index 50ba564..4018cd4 100644
--- a/logappender/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java
+++ b/logappender/src/main/java/org/apache/rocketmq/logappender/logback/RocketmqLogbackAppender.java
@@ -62,8 +62,6 @@ public class RocketmqLogbackAppender extends AppenderBase<ILoggingEvent> {
 
     /**
      * Info,error,warn,callback method implementation
-     *
-     * @param event
      */
     @Override
     protected void append(ILoggingEvent event) {
@@ -100,7 +98,7 @@ public class RocketmqLogbackAppender extends AppenderBase<ILoggingEvent> {
             producer = ProducerInstance.getProducerInstance().getInstance(nameServerAddress, producerGroup);
         } catch (Exception e) {
             addError("Starting RocketmqLogbackAppender [" + this.getName()
-                    + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+                + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
         }
         if (producer != null) {
             super.start();
@@ -122,7 +120,7 @@ public class RocketmqLogbackAppender extends AppenderBase<ILoggingEvent> {
             ProducerInstance.getProducerInstance().removeAndClose(this.nameServerAddress, this.producerGroup);
         } catch (Exception e) {
             addError("Closeing RocketmqLogbackAppender [" + this.getName()
-                    + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
+                + "] nameServerAddress:" + nameServerAddress + " group:" + producerGroup + " " + e.getMessage());
         }
 
         // Help garbage collection
@@ -144,7 +142,6 @@ public class RocketmqLogbackAppender extends AppenderBase<ILoggingEvent> {
         }
     }
 
-
     public Layout getLayout() {
         return this.layout;
     }
@@ -160,7 +157,6 @@ public class RocketmqLogbackAppender extends AppenderBase<ILoggingEvent> {
         return tag;
     }
 
-
     public void setTag(String tag) {
         this.tag = tag;
     }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/logappender/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java
----------------------------------------------------------------------
diff --git a/logappender/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java b/logappender/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java
index 9faebb9..38904c0 100644
--- a/logappender/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java
+++ b/logappender/src/test/java/org/apache/rocketmq/logappender/AbstractTestCase.java
@@ -30,7 +30,6 @@ import java.lang.reflect.Field;
 import java.util.concurrent.CopyOnWriteArrayList;
 import java.util.concurrent.atomic.AtomicInteger;
 
-
 /**
  * Basic test rocketmq broker and name server init
  */

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java
----------------------------------------------------------------------
diff --git a/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java b/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java
index 6306ec5..c139283 100644
--- a/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java
+++ b/logappender/src/test/java/org/apache/rocketmq/logappender/Log4jTest.java
@@ -22,8 +22,7 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-
-public abstract class Log4jTest extends AbstractTestCase{
+public abstract class Log4jTest extends AbstractTestCase {
 
     @Before
     public abstract void init();
@@ -37,8 +36,8 @@ public abstract class Log4jTest extends AbstractTestCase{
         for (int i = 0; i < 10; i++) {
             logger.info("log4j " + this.getType() + " simple test message " + i);
         }
-        int received = consumeMessages(10, "log4j",10);
-        Assert.assertTrue(received>5);
+        int received = consumeMessages(10, "log4j", 10);
+        Assert.assertTrue(received > 5);
     }
 
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/logappender/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java
----------------------------------------------------------------------
diff --git a/logappender/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java b/logappender/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java
index 4f9d3e5..d7ec184 100644
--- a/logappender/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java
+++ b/logappender/src/test/java/org/apache/rocketmq/logappender/LogbackTest.java
@@ -29,7 +29,7 @@ import org.slf4j.LoggerFactory;
 
 import java.io.File;
 
-public class LogbackTest extends AbstractTestCase{
+public class LogbackTest extends AbstractTestCase {
 
     @Before
     public void init() throws JoranException {
@@ -41,7 +41,6 @@ public class LogbackTest extends AbstractTestCase{
         StatusPrinter.printInCaseOfErrorsOrWarnings(lc);
     }
 
-
     @Test
     public void testLogback() throws InterruptedException, MQClientException {
         clear();
@@ -49,7 +48,7 @@ public class LogbackTest extends AbstractTestCase{
         for (int i = 0; i < 10; i++) {
             logger.info("logback test message " + i);
         }
-        int received = consumeMessages(10, "logback",10);
-        Assert.assertTrue(received>=5);
+        int received = consumeMessages(10, "logback", 10);
+        Assert.assertTrue(received >= 5);
     }
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/logappender/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java
----------------------------------------------------------------------
diff --git a/logappender/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java b/logappender/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java
index 4089644..6f6af60 100644
--- a/logappender/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java
+++ b/logappender/src/test/java/org/apache/rocketmq/logappender/log4j2Test.java
@@ -24,14 +24,13 @@ import org.junit.Assert;
 import org.junit.Before;
 import org.junit.Test;
 
-public class log4j2Test extends AbstractTestCase{
+public class log4j2Test extends AbstractTestCase {
 
     @Before
     public void init() {
         Configurator.initialize("log4j2", "src/test/resources/log4j2-example.xml");
     }
 
-
     @Test
     public void testLog4j2() throws InterruptedException, MQClientException {
         clear();
@@ -39,7 +38,7 @@ public class log4j2Test extends AbstractTestCase{
         for (int i = 0; i < 10; i++) {
             logger.info("log4j2 log message " + i);
         }
-        int received = consumeMessages(10, "log4j2",10);
-        Assert.assertTrue(received>5);
+        int received = consumeMessages(10, "log4j2", 10);
+        Assert.assertTrue(received > 5);
     }
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/logappender/src/test/resources/log4j-example.properties
----------------------------------------------------------------------
diff --git a/logappender/src/test/resources/log4j-example.properties b/logappender/src/test/resources/log4j-example.properties
index 7fdebbb..63b2a98 100644
--- a/logappender/src/test/resources/log4j-example.properties
+++ b/logappender/src/test/resources/log4j-example.properties
@@ -12,23 +12,18 @@
 #  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.
-
 log4j.rootLogger=INFO,stdout
-
 log4j.logger.testLogger=INFO,mq
-
 log4j.appender.stdout=org.apache.log4j.ConsoleAppender
 log4j.appender.stdout.Target=System.out
 log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
 log4j.appender.stdout.layout.ConversionPattern=%d %-4r [%t] (%F:%L) %-5p - %m%n
-
 log4j.appender.store=org.apache.log4j.DailyRollingFileAppender
 log4j.appender.store.File=${user.home}/logs/rocketmqlogs/appender.log
 log4j.appender.store.Append=true
-log4j.appender.store.DatePattern ='_'yyyy-MM-dd'.log'
+log4j.appender.store.DatePattern='_'yyyy-MM-dd'.log'
 log4j.appender.store.layout=org.apache.log4j.PatternLayout
 log4j.appender.store.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-4r [%t] (%F:%L) %-5p - %m%n
-
 log4j.appender.mq=org.apache.rocketmq.logappender.log4j.RocketmqLog4jAppender
 log4j.appender.mq.Tag=log
 log4j.appender.mq.Topic=TopicTest

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/logappender/src/test/resources/log4j-example.xml
----------------------------------------------------------------------
diff --git a/logappender/src/test/resources/log4j-example.xml b/logappender/src/test/resources/log4j-example.xml
index b0dc776..6bddde9 100644
--- a/logappender/src/test/resources/log4j-example.xml
+++ b/logappender/src/test/resources/log4j-example.xml
@@ -19,37 +19,37 @@ limitations under the License.
 <log4j:configuration xmlns:log4j="http://jakarta.apache.org/log4j/">
 
     <appender name="consoleAppender" class="org.apache.log4j.ConsoleAppender">
-        <param name="Encoding" value="UTF-8" />
-        <param name="Target" value="System.out" />
+        <param name="Encoding" value="UTF-8"/>
+        <param name="Target" value="System.out"/>
         <layout class="org.apache.log4j.PatternLayout">
-            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss},%d %-4r [%t] (%F:%L) %-5p - %m%n" />
+            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss},%d %-4r [%t] (%F:%L) %-5p - %m%n"/>
         </layout>
     </appender>
 
     <appender name="mqAppender1" class="org.apache.rocketmq.logappender.log4j.RocketmqLog4jAppender">
-        <param name="Tag" value="log1" />
-        <param name="Topic" value="TopicTest" />
-        <param name="ProducerGroup" value="loggerAppender" />
+        <param name="Tag" value="log1"/>
+        <param name="Topic" value="TopicTest"/>
+        <param name="ProducerGroup" value="loggerAppender"/>
         <param name="NameServerAddress" value="127.0.0.1:9876"/>
         <layout class="org.apache.log4j.PatternLayout">
-            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss}-%p %t %c - %m%n" />
+            <param name="ConversionPattern" value="%d{yyyy-MM-dd HH:mm:ss}-%p %t %c - %m%n"/>
         </layout>
     </appender>
 
     <logger name="testLogger" additivity="false">
-        <level value="INFO" />
-        <appender-ref ref="mqAppender1" />
-        <appender-ref ref="consoleAppender" />
+        <level value="INFO"/>
+        <appender-ref ref="mqAppender1"/>
+        <appender-ref ref="consoleAppender"/>
     </logger>
 
     <logger name="consoleLogger" additivity="false">
-        <level value="INFO" />
-        <appender-ref ref="consoleAppender" />
+        <level value="INFO"/>
+        <appender-ref ref="consoleAppender"/>
     </logger>
 
 
     <root>
-        <level value="INFO" />
+        <level value="INFO"/>
         <appender-ref ref="consoleAppender"/>
     </root>
 

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/logappender/src/test/resources/log4j2-example.xml
----------------------------------------------------------------------
diff --git a/logappender/src/test/resources/log4j2-example.xml b/logappender/src/test/resources/log4j2-example.xml
index 3ee8a01..c310855 100644
--- a/logappender/src/test/resources/log4j2-example.xml
+++ b/logappender/src/test/resources/log4j2-example.xml
@@ -17,25 +17,25 @@
   -->
 
 <Configuration status="warn" name="Rocketmq">
-<Appenders>
-    <RocketMQ name="rocketmqAppender" producerGroup="loggerAppender" nameServerAddress="127.0.0.1:9876"
-         topic="TopicTest" tag="log">
-        <PatternLayout pattern="%d [%p] hahahah %c %m%n"/>
-    </RocketMQ>
+    <Appenders>
+        <RocketMQ name="rocketmqAppender" producerGroup="loggerAppender" nameServerAddress="127.0.0.1:9876"
+                  topic="TopicTest" tag="log">
+            <PatternLayout pattern="%d [%p] hahahah %c %m%n"/>
+        </RocketMQ>
 
-    <Console name="Console" target="SYSTEM_OUT">
-        <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
-    </Console>
-</Appenders>
-<Loggers>
+        <Console name="Console" target="SYSTEM_OUT">
+            <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} - %msg%n"/>
+        </Console>
+    </Appenders>
+    <Loggers>
 
-    <Logger name="rocketmqLogger" level="info">
-        <AppenderRef ref="rocketmqAppender"/>
-    </Logger>
+        <Logger name="rocketmqLogger" level="info">
+            <AppenderRef ref="rocketmqAppender"/>
+        </Logger>
 
-    <Root level="debug">
-        <AppenderRef ref="Console"/>
-        <AppenderRef ref="rocketmqAppender"/>
-    </Root>
-</Loggers>
+        <Root level="debug">
+            <AppenderRef ref="Console"/>
+            <AppenderRef ref="rocketmqAppender"/>
+        </Root>
+    </Loggers>
 </Configuration>
\ No newline at end of file

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/namesrv/src/main/java/org/apache/rocketmq/namesrv/processor/ClusterTestRequestProcessor.java
----------------------------------------------------------------------
diff --git a/namesrv/src/main/java/org/apache/rocketmq/namesrv/processor/ClusterTestRequestProcessor.java b/namesrv/src/main/java/org/apache/rocketmq/namesrv/processor/ClusterTestRequestProcessor.java
index 04cf870..f6611b6 100644
--- a/namesrv/src/main/java/org/apache/rocketmq/namesrv/processor/ClusterTestRequestProcessor.java
+++ b/namesrv/src/main/java/org/apache/rocketmq/namesrv/processor/ClusterTestRequestProcessor.java
@@ -50,7 +50,8 @@ public class ClusterTestRequestProcessor extends DefaultRequestProcessor {
     }
 
     @Override
-    public RemotingCommand getRouteInfoByTopic(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    public RemotingCommand getRouteInfoByTopic(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(null);
         final GetRouteInfoRequestHeader requestHeader =
             (GetRouteInfoRequestHeader) request.decodeCommandCustomHeader(GetRouteInfoRequestHeader.class);

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/namesrv/src/main/java/org/apache/rocketmq/namesrv/processor/DefaultRequestProcessor.java
----------------------------------------------------------------------
diff --git a/namesrv/src/main/java/org/apache/rocketmq/namesrv/processor/DefaultRequestProcessor.java b/namesrv/src/main/java/org/apache/rocketmq/namesrv/processor/DefaultRequestProcessor.java
index 9647684..ed5b20b 100644
--- a/namesrv/src/main/java/org/apache/rocketmq/namesrv/processor/DefaultRequestProcessor.java
+++ b/namesrv/src/main/java/org/apache/rocketmq/namesrv/processor/DefaultRequestProcessor.java
@@ -63,7 +63,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
     }
 
     @Override
-    public RemotingCommand processRequest(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    public RemotingCommand processRequest(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         if (log.isDebugEnabled()) {
             log.debug("receive request, {} {} {}",
                 request.getCode(),
@@ -124,7 +125,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return false;
     }
 
-    public RemotingCommand putKVConfig(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    public RemotingCommand putKVConfig(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(null);
         final PutKVConfigRequestHeader requestHeader =
             (PutKVConfigRequestHeader) request.decodeCommandCustomHeader(PutKVConfigRequestHeader.class);
@@ -140,7 +142,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    public RemotingCommand getKVConfig(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    public RemotingCommand getKVConfig(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(GetKVConfigResponseHeader.class);
         final GetKVConfigResponseHeader responseHeader = (GetKVConfigResponseHeader) response.readCustomHeader();
         final GetKVConfigRequestHeader requestHeader =
@@ -163,7 +166,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    public RemotingCommand deleteKVConfig(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    public RemotingCommand deleteKVConfig(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(null);
         final DeleteKVConfigRequestHeader requestHeader =
             (DeleteKVConfigRequestHeader) request.decodeCommandCustomHeader(DeleteKVConfigRequestHeader.class);
@@ -215,7 +219,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    public RemotingCommand registerBroker(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    public RemotingCommand registerBroker(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(RegisterBrokerResponseHeader.class);
         final RegisterBrokerResponseHeader responseHeader = (RegisterBrokerResponseHeader) response.readCustomHeader();
         final RegisterBrokerRequestHeader requestHeader =
@@ -251,7 +256,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    public RemotingCommand unregisterBroker(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    public RemotingCommand unregisterBroker(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(null);
         final UnRegisterBrokerRequestHeader requestHeader =
             (UnRegisterBrokerRequestHeader) request.decodeCommandCustomHeader(UnRegisterBrokerRequestHeader.class);
@@ -267,7 +273,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    public RemotingCommand getRouteInfoByTopic(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    public RemotingCommand getRouteInfoByTopic(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(null);
         final GetRouteInfoRequestHeader requestHeader =
             (GetRouteInfoRequestHeader) request.decodeCommandCustomHeader(GetRouteInfoRequestHeader.class);
@@ -306,7 +313,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    private RemotingCommand wipeWritePermOfBroker(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    private RemotingCommand wipeWritePermOfBroker(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(WipeWritePermOfBrokerResponseHeader.class);
         final WipeWritePermOfBrokerResponseHeader responseHeader = (WipeWritePermOfBrokerResponseHeader) response.readCustomHeader();
         final WipeWritePermOfBrokerRequestHeader requestHeader =
@@ -336,7 +344,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    private RemotingCommand deleteTopicInNamesrv(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    private RemotingCommand deleteTopicInNamesrv(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(null);
         final DeleteTopicInNamesrvRequestHeader requestHeader =
             (DeleteTopicInNamesrvRequestHeader) request.decodeCommandCustomHeader(DeleteTopicInNamesrvRequestHeader.class);
@@ -348,7 +357,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    private RemotingCommand getKVListByNamespace(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    private RemotingCommand getKVListByNamespace(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(null);
         final GetKVListByNamespaceRequestHeader requestHeader =
             (GetKVListByNamespaceRequestHeader) request.decodeCommandCustomHeader(GetKVListByNamespaceRequestHeader.class);
@@ -367,7 +377,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    private RemotingCommand getTopicsByCluster(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    private RemotingCommand getTopicsByCluster(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(null);
         final GetTopicsByClusterRequestHeader requestHeader =
             (GetTopicsByClusterRequestHeader) request.decodeCommandCustomHeader(GetTopicsByClusterRequestHeader.class);
@@ -380,7 +391,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    private RemotingCommand getSystemTopicListFromNs(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    private RemotingCommand getSystemTopicListFromNs(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(null);
 
         byte[] body = this.namesrvController.getRouteInfoManager().getSystemTopicList();
@@ -391,7 +403,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    private RemotingCommand getUnitTopicList(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    private RemotingCommand getUnitTopicList(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(null);
 
         byte[] body = this.namesrvController.getRouteInfoManager().getUnitTopics();
@@ -402,7 +415,8 @@ public class DefaultRequestProcessor implements NettyRequestProcessor {
         return response;
     }
 
-    private RemotingCommand getHasUnitSubTopicList(ChannelHandlerContext ctx, RemotingCommand request) throws RemotingCommandException {
+    private RemotingCommand getHasUnitSubTopicList(ChannelHandlerContext ctx,
+        RemotingCommand request) throws RemotingCommandException {
         final RemotingCommand response = RemotingCommand.createResponseCommand(null);
 
         byte[] body = this.namesrvController.getRouteInfoManager().getHasUnitSubTopicList();

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/namesrv/src/main/java/org/apache/rocketmq/namesrv/routeinfo/RouteInfoManager.java
----------------------------------------------------------------------
diff --git a/namesrv/src/main/java/org/apache/rocketmq/namesrv/routeinfo/RouteInfoManager.java b/namesrv/src/main/java/org/apache/rocketmq/namesrv/routeinfo/RouteInfoManager.java
index 35790c9..d78ec95 100644
--- a/namesrv/src/main/java/org/apache/rocketmq/namesrv/routeinfo/RouteInfoManager.java
+++ b/namesrv/src/main/java/org/apache/rocketmq/namesrv/routeinfo/RouteInfoManager.java
@@ -276,8 +276,8 @@ public class RouteInfoManager {
                 this.lock.writeLock().lockInterruptibly();
                 BrokerLiveInfo brokerLiveInfo = this.brokerLiveTable.remove(brokerAddr);
                 log.info("unregisterBroker, remove from brokerLiveTable {}, {}",
-                        brokerLiveInfo != null ? "OK" : "Failed",
-                        brokerAddr
+                    brokerLiveInfo != null ? "OK" : "Failed",
+                    brokerAddr
                 );
 
                 this.filterServerTable.remove(brokerAddr);

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/namesrv/src/test/java/org/apache/rocketmq/namesrv/processor/ClusterTestRequestProcessorTest.java
----------------------------------------------------------------------
diff --git a/namesrv/src/test/java/org/apache/rocketmq/namesrv/processor/ClusterTestRequestProcessorTest.java b/namesrv/src/test/java/org/apache/rocketmq/namesrv/processor/ClusterTestRequestProcessorTest.java
index 5a98cd7..a0e8137 100644
--- a/namesrv/src/test/java/org/apache/rocketmq/namesrv/processor/ClusterTestRequestProcessorTest.java
+++ b/namesrv/src/test/java/org/apache/rocketmq/namesrv/processor/ClusterTestRequestProcessorTest.java
@@ -99,7 +99,8 @@ public class ClusterTestRequestProcessorTest {
     @Test
     public void testGetRouteInfoByTopic() throws RemotingCommandException {
         RemotingCommand request = RemotingCommand.createRequestCommand(12, new CommandCustomHeader() {
-            @Override public void checkFields() throws RemotingCommandException {
+            @Override
+            public void checkFields() throws RemotingCommandException {
 
             }
         });

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/openmessaging/src/main/java/io/openmessaging/rocketmq/promise/DefaultPromise.java
----------------------------------------------------------------------
diff --git a/openmessaging/src/main/java/io/openmessaging/rocketmq/promise/DefaultPromise.java b/openmessaging/src/main/java/io/openmessaging/rocketmq/promise/DefaultPromise.java
index c863ccf..3e4bd26 100644
--- a/openmessaging/src/main/java/io/openmessaging/rocketmq/promise/DefaultPromise.java
+++ b/openmessaging/src/main/java/io/openmessaging/rocketmq/promise/DefaultPromise.java
@@ -77,7 +77,7 @@ public class DefaultPromise<V> implements Promise<V> {
             } else {
                 long waitTime = timeout - (System.currentTimeMillis() - createTime);
                 if (waitTime > 0) {
-                    for (;; ) {
+                    for (; ; ) {
                         try {
                             lock.wait(waitTime);
                         } catch (InterruptedException e) {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/openmessaging/src/test/java/io/openmessaging/rocketmq/consumer/LocalMessageCacheTest.java
----------------------------------------------------------------------
diff --git a/openmessaging/src/test/java/io/openmessaging/rocketmq/consumer/LocalMessageCacheTest.java b/openmessaging/src/test/java/io/openmessaging/rocketmq/consumer/LocalMessageCacheTest.java
index ae4d3ed..851c283 100644
--- a/openmessaging/src/test/java/io/openmessaging/rocketmq/consumer/LocalMessageCacheTest.java
+++ b/openmessaging/src/test/java/io/openmessaging/rocketmq/consumer/LocalMessageCacheTest.java
@@ -75,7 +75,7 @@ public class LocalMessageCacheTest {
 
     @Test
     public void testSubmitConsumeRequest() throws Exception {
-        byte [] body = new byte[]{'1', '2', '3'};
+        byte[] body = new byte[] {'1', '2', '3'};
         MessageExt consumedMsg = new MessageExt();
         consumedMsg.setMsgId("NewMsgId");
         consumedMsg.setBody(body);

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/remoting/src/main/java/org/apache/rocketmq/remoting/common/ServiceThread.java
----------------------------------------------------------------------
diff --git a/remoting/src/main/java/org/apache/rocketmq/remoting/common/ServiceThread.java b/remoting/src/main/java/org/apache/rocketmq/remoting/common/ServiceThread.java
index 8436189..323c089 100644
--- a/remoting/src/main/java/org/apache/rocketmq/remoting/common/ServiceThread.java
+++ b/remoting/src/main/java/org/apache/rocketmq/remoting/common/ServiceThread.java
@@ -63,7 +63,7 @@ public abstract class ServiceThread implements Runnable {
             this.thread.join(this.getJointime());
             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/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingAbstract.java
----------------------------------------------------------------------
diff --git a/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingAbstract.java b/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingAbstract.java
index b66e7de..6143462 100644
--- a/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingAbstract.java
+++ b/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingAbstract.java
@@ -90,6 +90,7 @@ public abstract class NettyRemotingAbstract {
 
     /**
      * Constructor, specifying capacity of one-way and asynchronous semaphores.
+     *
      * @param permitsOneway Number of permits for one-way requests.
      * @param permitsAsync Number of permits for asynchronous requests.
      */
@@ -100,12 +101,14 @@ public abstract class NettyRemotingAbstract {
 
     /**
      * Custom channel event listener.
+     *
      * @return custom channel event listener if defined; null otherwise.
      */
     public abstract ChannelEventListener getChannelEventListener();
 
     /**
      * Put a netty event to the executor.
+     *
      * @param event Netty event instance.
      */
     public void putNettyEvent(final NettyEvent event) {
@@ -116,13 +119,14 @@ public abstract class NettyRemotingAbstract {
      * Entry of incoming command processing.
      *
      * <p>
-     *     <strong>Note:</strong>
-     *     The incoming remoting command may be
-     *     <ul>
-     *         <li>An inquiry request from a remote peer component;</li>
-     *         <li>A response to a previous request issued by this very participant.</li>
-     *     </ul>
+     * <strong>Note:</strong>
+     * The incoming remoting command may be
+     * <ul>
+     * <li>An inquiry request from a remote peer component;</li>
+     * <li>A response to a previous request issued by this very participant.</li>
+     * </ul>
      * </p>
+     *
      * @param ctx Channel handler context.
      * @param msg incoming remoting command.
      * @throws Exception if there were any error while processing the incoming command.
@@ -145,6 +149,7 @@ public abstract class NettyRemotingAbstract {
 
     /**
      * Process incoming request command issued by remote peer.
+     *
      * @param ctx channel handler context.
      * @param cmd request command.
      */
@@ -235,6 +240,7 @@ public abstract class NettyRemotingAbstract {
 
     /**
      * Process response from remote peer to the previous issued requests.
+     *
      * @param ctx channel handler context.
      * @param cmd response command instance.
      */
@@ -261,7 +267,6 @@ public abstract class NettyRemotingAbstract {
 
     /**
      * Execute callback in callback executor. If callback executor is null, run directly in current thread
-     * @param responseFuture
      */
     private void executeInvokeCallback(final ResponseFuture responseFuture) {
         boolean runInThisThread = false;
@@ -297,12 +302,14 @@ public abstract class NettyRemotingAbstract {
 
     /**
      * Custom RPC hook.
+     *
      * @return RPC hook if specified; null otherwise.
      */
     public abstract RPCHook getRPCHook();
 
     /**
      * This method specifies thread pool to use while invoking callback methods.
+     *
      * @return Dedicated thread pool instance if specified; or null if the callback is supposed to be executed in the
      * netty event-loop thread.
      */
@@ -310,7 +317,7 @@ public abstract class NettyRemotingAbstract {
 
     /**
      * <p>
-     *    This method is periodically invoked to scan and expire deprecated request.
+     * This method is periodically invoked to scan and expire deprecated request.
      * </p>
      */
     public void scanResponseTable() {
@@ -337,7 +344,8 @@ public abstract class NettyRemotingAbstract {
         }
     }
 
-    public RemotingCommand invokeSyncImpl(final Channel channel, final RemotingCommand request, final long timeoutMillis)
+    public RemotingCommand invokeSyncImpl(final Channel channel, final RemotingCommand request,
+        final long timeoutMillis)
         throws InterruptedException, RemotingSendRequestException, RemotingTimeoutException {
         final int opaque = request.getOpaque();
 

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingClient.java
----------------------------------------------------------------------
diff --git a/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingClient.java b/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingClient.java
index ecf9ab2..34f560f 100644
--- a/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingClient.java
+++ b/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingClient.java
@@ -322,7 +322,7 @@ public class NettyRemotingClient extends NettyRemotingAbstract implements Remoti
 
             if (update) {
                 Collections.shuffle(addrs);
-                log.info("name server address updated. NEW : {} , OLD: {}",addrs,old);
+                log.info("name server address updated. NEW : {} , OLD: {}", addrs, old);
                 this.namesrvAddrList.set(addrs);
             }
         }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingServer.java
----------------------------------------------------------------------
diff --git a/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingServer.java b/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingServer.java
index b2041b2..7cf82c9 100644
--- a/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingServer.java
+++ b/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyRemotingServer.java
@@ -78,7 +78,8 @@ public class NettyRemotingServer extends NettyRemotingAbstract implements Remoti
         this(nettyServerConfig, null);
     }
 
-    public NettyRemotingServer(final NettyServerConfig nettyServerConfig, final ChannelEventListener channelEventListener) {
+    public NettyRemotingServer(final NettyServerConfig nettyServerConfig,
+        final ChannelEventListener channelEventListener) {
         super(nettyServerConfig.getServerOnewaySemaphoreValue(), nettyServerConfig.getServerAsyncSemaphoreValue());
         this.serverBootstrap = new ServerBootstrap();
         this.nettyServerConfig = nettyServerConfig;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyServerConfig.java
----------------------------------------------------------------------
diff --git a/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyServerConfig.java b/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyServerConfig.java
index 0570c84..a5e2a23 100644
--- a/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyServerConfig.java
+++ b/remoting/src/main/java/org/apache/rocketmq/remoting/netty/NettyServerConfig.java
@@ -16,7 +16,6 @@
  */
 package org.apache.rocketmq.remoting.netty;
 
-
 public class NettyServerConfig implements Cloneable {
     private int listenPort = 8888;
     private int serverWorkerThreads = 8;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RemotingCommandTest.java
----------------------------------------------------------------------
diff --git a/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RemotingCommandTest.java b/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RemotingCommandTest.java
index 0f5da6e..e11915b 100644
--- a/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RemotingCommandTest.java
+++ b/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RemotingCommandTest.java
@@ -29,7 +29,7 @@ public class RemotingCommandTest {
         int source = 261;
         SerializeType type = SerializeType.JSON;
         byte[] result = RemotingCommand.markProtocolType(source, type);
-        assertThat(result).isEqualTo(new byte[]{0, 0, 1, 5});
+        assertThat(result).isEqualTo(new byte[] {0, 0, 1, 5});
     }
 
     @Test
@@ -37,7 +37,7 @@ public class RemotingCommandTest {
         int source = 16777215;
         SerializeType type = SerializeType.ROCKETMQ;
         byte[] result = RemotingCommand.markProtocolType(source, type);
-        assertThat(result).isEqualTo(new byte[]{1, -1, -1, -1});
+        assertThat(result).isEqualTo(new byte[] {1, -1, -1, -1});
     }
 
     @Test
@@ -58,7 +58,7 @@ public class RemotingCommandTest {
 
         int code = RemotingSysResponseCode.SUCCESS;
         String remark = "Sample remark";
-        RemotingCommand cmd = RemotingCommand.createResponseCommand(code ,remark, SampleCommandCustomHeader.class);
+        RemotingCommand cmd = RemotingCommand.createResponseCommand(code, remark, SampleCommandCustomHeader.class);
         assertThat(cmd.getCode()).isEqualTo(code);
         assertThat(cmd.getVersion()).isEqualTo(2333);
         assertThat(cmd.getRemark()).isEqualTo(remark);
@@ -71,7 +71,7 @@ public class RemotingCommandTest {
 
         int code = RemotingSysResponseCode.SUCCESS;
         String remark = "Sample remark";
-        RemotingCommand cmd = RemotingCommand.createResponseCommand(code ,remark);
+        RemotingCommand cmd = RemotingCommand.createResponseCommand(code, remark);
         assertThat(cmd.getCode()).isEqualTo(code);
         assertThat(cmd.getVersion()).isEqualTo(2333);
         assertThat(cmd.getRemark()).isEqualTo(remark);
@@ -84,7 +84,7 @@ public class RemotingCommandTest {
 
         int code = RemotingSysResponseCode.SUCCESS;
         String remark = "Sample remark";
-        RemotingCommand cmd = RemotingCommand.createResponseCommand(code ,remark, CommandCustomHeader.class);
+        RemotingCommand cmd = RemotingCommand.createResponseCommand(code, remark, CommandCustomHeader.class);
         assertThat(cmd).isNull();
     }
 
@@ -128,7 +128,7 @@ public class RemotingCommandTest {
         int code = 103; //org.apache.rocketmq.common.protocol.RequestCode.REGISTER_BROKER
         CommandCustomHeader header = new SampleCommandCustomHeader();
         RemotingCommand cmd = RemotingCommand.createRequestCommand(code, header);
-        cmd.setBody(new byte[] { 0, 1, 2, 3, 4});
+        cmd.setBody(new byte[] {0, 1, 2, 3, 4});
 
         ByteBuffer buffer = cmd.encode();
 
@@ -141,7 +141,7 @@ public class RemotingCommandTest {
         RemotingCommand decodedCommand = RemotingCommand.decode(buffer);
 
         assertThat(decodedCommand.getSerializeTypeCurrentRPC()).isEqualTo(SerializeType.JSON);
-        assertThat(decodedCommand.getBody()).isEqualTo(new byte[]{ 0, 1, 2, 3, 4});
+        assertThat(decodedCommand.getBody()).isEqualTo(new byte[] {0, 1, 2, 3, 4});
     }
 
     @Test

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RemotingSerializableTest.java
----------------------------------------------------------------------
diff --git a/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RemotingSerializableTest.java b/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RemotingSerializableTest.java
index 38548cd..3e8b7a9 100644
--- a/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RemotingSerializableTest.java
+++ b/remoting/src/test/java/org/apache/rocketmq/remoting/protocol/RemotingSerializableTest.java
@@ -86,7 +86,7 @@ class Sample {
     private String stringValue = "string";
     private int intValue = 2333;
     private Integer integerValue = 666;
-    private double[] doubleArray = new double[]{0.618, 1.618};
+    private double[] doubleArray = new double[] {0.618, 1.618};
     private List<String> stringList = Arrays.asList("a", "o", "e", "i", "u", "v");
 
     public String getStringValue() {
@@ -136,7 +136,7 @@ class Sample {
         if (o == null || getClass() != o.getClass())
             return false;
 
-        Sample sample = (Sample)o;
+        Sample sample = (Sample) o;
 
         if (intValue != sample.intValue)
             return false;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/AppendMessageCallback.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/AppendMessageCallback.java b/store/src/main/java/org/apache/rocketmq/store/AppendMessageCallback.java
index 16a62fa..d337638 100644
--- a/store/src/main/java/org/apache/rocketmq/store/AppendMessageCallback.java
+++ b/store/src/main/java/org/apache/rocketmq/store/AppendMessageCallback.java
@@ -27,23 +27,17 @@ public interface AppendMessageCallback {
     /**
      * After message serialization, write MapedByteBuffer
      *
-     * @param byteBuffer
-     * @param maxBlank
-     * @param msg
      * @return How many bytes to write
      */
     AppendMessageResult doAppend(final long fileFromOffset, final ByteBuffer byteBuffer,
-                                 final int maxBlank, final MessageExtBrokerInner msg);
+        final int maxBlank, final MessageExtBrokerInner msg);
 
     /**
      * After batched message serialization, write MapedByteBuffer
      *
-     * @param byteBuffer
-     * @param maxBlank
      * @param messageExtBatch, backed up by a byte array
-     *
      * @return How many bytes to write
      */
     AppendMessageResult doAppend(final long fileFromOffset, final ByteBuffer byteBuffer,
-                                 final int maxBlank, final MessageExtBatch messageExtBatch);
+        final int maxBlank, final MessageExtBatch messageExtBatch);
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/CommitLog.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/CommitLog.java b/store/src/main/java/org/apache/rocketmq/store/CommitLog.java
index a2cb629..edd68a5 100644
--- a/store/src/main/java/org/apache/rocketmq/store/CommitLog.java
+++ b/store/src/main/java/org/apache/rocketmq/store/CommitLog.java
@@ -62,6 +62,7 @@ public class CommitLog {
 
     private volatile long beginTimeInLock = 0;
     private final PutMessageLock putMessageLock;
+
     public CommitLog(final DefaultMessageStore defaultMessageStore) {
         this.mappedFileQueue = new MappedFileQueue(defaultMessageStore.getMessageStoreConfig().getStorePathCommitLog(),
             defaultMessageStore.getMessageStoreConfig().getMapedFileSizeCommitLog(), defaultMessageStore.getAllocateMappedFileService());
@@ -77,11 +78,12 @@ public class CommitLog {
 
         this.appendMessageCallback = new DefaultAppendMessageCallback(defaultMessageStore.getMessageStoreConfig().getMaxMessageSize());
         batchEncoderThreadLocal = new ThreadLocal<MessageExtBatchEncoder>() {
-            @Override protected MessageExtBatchEncoder initialValue() {
+            @Override
+            protected MessageExtBatchEncoder initialValue() {
                 return new MessageExtBatchEncoder(defaultMessageStore.getMessageStoreConfig().getMaxMessageSize());
             }
         };
-        this.putMessageLock =  defaultMessageStore.getMessageStoreConfig().isUseReentrantLockWhenPutMessage() ? new PutMessageReentrantLock() : new PutMessageSpinLock();
+        this.putMessageLock = defaultMessageStore.getMessageStoreConfig().isUseReentrantLockWhenPutMessage() ? new PutMessageReentrantLock() : new PutMessageSpinLock();
 
     }
 
@@ -661,7 +663,7 @@ public class CommitLog {
             if (messageExt.isWaitStoreMsgOK()) {
                 // Determine whether to wait
                 if (service.isSlaveOK(result.getWroteOffset() + result.getWroteBytes())) {
-                    GroupCommitRequest  request = new GroupCommitRequest(result.getWroteOffset() + result.getWroteBytes());
+                    GroupCommitRequest request = new GroupCommitRequest(result.getWroteOffset() + result.getWroteBytes());
                     service.putRequest(request);
                     service.getWaitNotifyObject().wakeupAll();
                     boolean flushOK =
@@ -758,7 +760,6 @@ public class CommitLog {
             putMessageLock.unlock();
         }
 
-
         if (eclipseTimeInLock > 500) {
             log.warn("[NOTIFYME]putMessages in lock cost time(ms)={}, bodyLength={} AppendMessageResult={}", eclipseTimeInLock, messageExtBatch.getBody().length, result);
         }
@@ -773,7 +774,6 @@ public class CommitLog {
         storeStatsService.getSinglePutMessageTopicTimesTotal(messageExtBatch.getTopic()).addAndGet(result.getMsgNum());
         storeStatsService.getSinglePutMessageTopicSizeTotal(messageExtBatch.getTopic()).addAndGet(result.getWroteBytes());
 
-
         handleDiskFlush(result, putMessageResult, messageExtBatch);
 
         handleHA(result, putMessageResult, messageExtBatch);
@@ -885,8 +885,6 @@ public class CommitLog {
         return diff;
     }
 
-
-
     abstract class FlushCommitLogService extends ServiceThread {
         protected static final int RETRY_TIMES_OVER = 10;
     }
@@ -1030,23 +1028,19 @@ public class CommitLog {
         private final CountDownLatch countDownLatch = new CountDownLatch(1);
         private volatile boolean flushOK = false;
 
-
         public GroupCommitRequest(long nextOffset) {
             this.nextOffset = nextOffset;
         }
 
-
         public long getNextOffset() {
             return nextOffset;
         }
 
-
         public void wakeupCustomer(final boolean flushOK) {
             this.flushOK = flushOK;
             this.countDownLatch.countDown();
         }
 
-
         public boolean waitForFlush(long timeout) {
             try {
                 this.countDownLatch.await(timeout, TimeUnit.MILLISECONDS);
@@ -1430,7 +1424,6 @@ public class CommitLog {
             this.maxMessageSize = size;
         }
 
-
         public ByteBuffer encode(final MessageExtBatch messageExtBatch) {
             msgBatchMemory.clear(); //not thread-safe
             int totalMsgLen = 0;

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/ConsumeQueue.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/ConsumeQueue.java b/store/src/main/java/org/apache/rocketmq/store/ConsumeQueue.java
index 275334c..379162d 100644
--- a/store/src/main/java/org/apache/rocketmq/store/ConsumeQueue.java
+++ b/store/src/main/java/org/apache/rocketmq/store/ConsumeQueue.java
@@ -350,7 +350,7 @@ public class ConsumeQueue {
                         if (offsetPy >= phyMinOffset) {
                             this.minLogicOffset = result.getMappedFile().getFileFromOffset() + i;
                             log.info("Compute logical min offset: {}, topic: {}, queueId: {}",
-                                    this.getMinOffsetInQueue(), this.topic, this.queueId);
+                                this.getMinOffsetInQueue(), this.topic, this.queueId);
                             // This maybe not take effect, when not every consume queue has extend file.
                             if (isExtAddr(tagsCode)) {
                                 minExtAddr = tagsCode;
@@ -567,9 +567,6 @@ public class ConsumeQueue {
 
     /**
      * Check {@code tagsCode} is address of extend file or tags code.
-     *
-     * @param tagsCode
-     * @return
      */
     public boolean isExtAddr(long tagsCode) {
         return isExtReadEnable() && this.consumeQueueExt.isExtAddr(tagsCode);

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/ConsumeQueueExt.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/ConsumeQueueExt.java b/store/src/main/java/org/apache/rocketmq/store/ConsumeQueueExt.java
index 1a177e9..a118cde 100644
--- a/store/src/main/java/org/apache/rocketmq/store/ConsumeQueueExt.java
+++ b/store/src/main/java/org/apache/rocketmq/store/ConsumeQueueExt.java
@@ -58,17 +58,17 @@ public class ConsumeQueueExt {
     /**
      * Constructor.
      *
-     * @param topic          topic
-     * @param queueId        id of queue
-     * @param storePath      root dir of files to store.
+     * @param topic topic
+     * @param queueId id of queue
+     * @param storePath root dir of files to store.
      * @param mappedFileSize file size
-     * @param bitMapLength   bit map length.
+     * @param bitMapLength bit map length.
      */
     public ConsumeQueueExt(final String topic,
-                           final int queueId,
-                           final String storePath,
-                           final int mappedFileSize,
-                           final int bitMapLength) {
+        final int queueId,
+        final String storePath,
+        final int mappedFileSize,
+        final int bitMapLength) {
 
         this.storePath = storePath;
         this.mappedFileSize = mappedFileSize;
@@ -94,9 +94,6 @@ public class ConsumeQueueExt {
      * <p>
      * Just test {@code address} is less than 0.
      * </p>
-     *
-     * @param address
-     * @return
      */
     public boolean isExtAddr(final long address) {
         return address <= MAX_ADDR;
@@ -108,9 +105,6 @@ public class ConsumeQueueExt {
      * if {@code address} is less than 0, return {@code address} - {@link java.lang.Long#MIN_VALUE};
      * else, just return {@code address}
      * </p>
-     *
-     * @param address
-     * @return
      */
     public long unDecorate(final long address) {
         if (isExtAddr(address)) {
@@ -126,7 +120,6 @@ public class ConsumeQueueExt {
      * else, just return {@code offset}
      * </p>
      *
-     * @param offset
      * @return ext address(value is less than 0)
      */
     public long decorate(final long offset) {
@@ -140,7 +133,6 @@ public class ConsumeQueueExt {
      * Get data from buffer.
      *
      * @param address less than 0
-     * @return
      */
     public CqExtUnit get(final long address) {
         CqExtUnit cqExtUnit = new CqExtUnit();
@@ -154,9 +146,7 @@ public class ConsumeQueueExt {
     /**
      * Get data from buffer, and set to {@code cqExtUnit}
      *
-     * @param address   less than 0
-     * @param cqExtUnit
-     * @return
+     * @param address less than 0
      */
     public boolean get(final long address, final CqExtUnit cqExtUnit) {
         if (!isExtAddr(address)) {
@@ -194,7 +184,6 @@ public class ConsumeQueueExt {
      * Be careful, this method is not thread safe.
      * </p>
      *
-     * @param cqExtUnit
      * @return success: < 0: fail: >=0
      */
     public long put(final CqExtUnit cqExtUnit) {
@@ -259,8 +248,6 @@ public class ConsumeQueueExt {
 
     /**
      * Load data from file when startup.
-     *
-     * @return
      */
     public boolean load() {
         boolean result = this.mappedFileQueue.load();
@@ -379,9 +366,6 @@ public class ConsumeQueueExt {
 
     /**
      * flush buffer to file.
-     *
-     * @param flushLeastPages
-     * @return
      */
     public boolean flush(final int flushLeastPages) {
         return this.mappedFileQueue.flush(flushLeastPages);
@@ -400,8 +384,6 @@ public class ConsumeQueueExt {
      * <p>
      * Be careful: it's an address just when invoking this method.
      * </p>
-     *
-     * @return
      */
     public long getMaxAddress() {
         MappedFile mappedFile = this.mappedFileQueue.getLastMappedFile();
@@ -413,8 +395,6 @@ public class ConsumeQueueExt {
 
     /**
      * Minus address saved in file.
-     *
-     * @return
      */
     public long getMinAddress() {
         MappedFile firstFile = this.mappedFileQueue.getFirstMappedFile();
@@ -435,7 +415,8 @@ public class ConsumeQueueExt {
 
         public static final int MAX_EXT_UNIT_SIZE = Short.MAX_VALUE;
 
-        public CqExtUnit() {}
+        public CqExtUnit() {
+        }
 
         public CqExtUnit(Long tagsCode, long msgStoreTime, byte[] filterBitMap) {
             this.tagsCode = tagsCode == null ? 0 : tagsCode;
@@ -468,9 +449,6 @@ public class ConsumeQueueExt {
 
         /**
          * build unit from buffer from current position.
-         *
-         * @param buffer
-         * @return
          */
         private boolean read(final ByteBuffer buffer) {
             if (buffer.position() + 2 > buffer.limit()) {
@@ -507,8 +485,6 @@ public class ConsumeQueueExt {
          * <p>
          * if size <= 0, nothing to do.
          * </p>
-         *
-         * @param buffer
          */
         private void readBySkip(final ByteBuffer buffer) {
             ByteBuffer temp = buffer.slice();
@@ -527,9 +503,6 @@ public class ConsumeQueueExt {
          * <li>1. @{code container} can be null, it will be created if null.</li>
          * <li>2. if capacity of @{code container} is less than unit size, it will be created also.</li>
          * <li>3. Pls be sure that size of unit is not greater than {@link #MAX_EXT_UNIT_SIZE}</li>
-         *
-         * @param container
-         * @return
          */
         private byte[] write(final ByteBuffer container) {
             this.bitMapSize = (short) (filterBitMap == null ? 0 : filterBitMap.length);
@@ -557,8 +530,6 @@ public class ConsumeQueueExt {
 
         /**
          * Calculate unit size by current data.
-         *
-         * @return
          */
         private int calcUnitSize() {
             int sizeTemp = MIN_EXT_UNIT_SIZE + (filterBitMap == null ? 0 : filterBitMap.length);
@@ -600,16 +571,23 @@ public class ConsumeQueueExt {
 
         @Override
         public boolean equals(Object o) {
-            if (this == o) return true;
-            if (!(o instanceof CqExtUnit)) return false;
+            if (this == o)
+                return true;
+            if (!(o instanceof CqExtUnit))
+                return false;
 
             CqExtUnit cqExtUnit = (CqExtUnit) o;
 
-            if (bitMapSize != cqExtUnit.bitMapSize) return false;
-            if (msgStoreTime != cqExtUnit.msgStoreTime) return false;
-            if (size != cqExtUnit.size) return false;
-            if (tagsCode != cqExtUnit.tagsCode) return false;
-            if (!Arrays.equals(filterBitMap, cqExtUnit.filterBitMap)) return false;
+            if (bitMapSize != cqExtUnit.bitMapSize)
+                return false;
+            if (msgStoreTime != cqExtUnit.msgStoreTime)
+                return false;
+            if (size != cqExtUnit.size)
+                return false;
+            if (tagsCode != cqExtUnit.tagsCode)
+                return false;
+            if (!Arrays.equals(filterBitMap, cqExtUnit.filterBitMap))
+                return false;
 
             return true;
         }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java b/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
index 36c15d4..95a017a 100644
--- a/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
+++ b/store/src/main/java/org/apache/rocketmq/store/DefaultMessageStore.java
@@ -218,7 +218,6 @@ public class DefaultMessageStore implements MessageStore {
         this.shutdown = false;
     }
 
-
     public void shutdown() {
         if (!this.shutdown) {
             this.shutdown = true;
@@ -577,7 +576,6 @@ public class DefaultMessageStore implements MessageStore {
         return getResult;
     }
 
-
     public long getMaxOffsetInQueue(String topic, int queueId) {
         ConsumeQueue logic = this.findConsumeQueue(topic, queueId);
         if (logic != null) {
@@ -588,7 +586,6 @@ public class DefaultMessageStore implements MessageStore {
         return 0;
     }
 
-
     public long getMinOffsetInQueue(String topic, int queueId) {
         ConsumeQueue logic = this.findConsumeQueue(topic, queueId);
         if (logic != null) {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/MappedFile.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/MappedFile.java b/store/src/main/java/org/apache/rocketmq/store/MappedFile.java
index 81cf0f7..492ac5f 100644
--- a/store/src/main/java/org/apache/rocketmq/store/MappedFile.java
+++ b/store/src/main/java/org/apache/rocketmq/store/MappedFile.java
@@ -73,7 +73,8 @@ public class MappedFile extends ReferenceResource {
         init(fileName, fileSize);
     }
 
-    public MappedFile(final String fileName, final int fileSize, final TransientStorePool transientStorePool) throws IOException {
+    public MappedFile(final String fileName, final int fileSize,
+        final TransientStorePool transientStorePool) throws IOException {
         init(fileName, fileSize, transientStorePool);
     }
 
@@ -142,7 +143,8 @@ public class MappedFile extends ReferenceResource {
         return TOTAL_MAPPED_VIRTUAL_MEMORY.get();
     }
 
-    public void init(final String fileName, final int fileSize, final TransientStorePool transientStorePool) throws IOException {
+    public void init(final String fileName, final int fileSize,
+        final TransientStorePool transientStorePool) throws IOException {
         init(fileName, fileSize);
         this.writeBuffer = transientStorePool.borrowBuffer();
         this.transientStorePool = transientStorePool;
@@ -209,7 +211,7 @@ public class MappedFile extends ReferenceResource {
             if (messageExt instanceof MessageExtBrokerInner) {
                 result = cb.doAppend(this.getFileFromOffset(), byteBuffer, this.fileSize - currentPos, (MessageExtBrokerInner) messageExt);
             } else if (messageExt instanceof MessageExtBatch) {
-                result = cb.doAppend(this.getFileFromOffset(), byteBuffer, this.fileSize - currentPos, (MessageExtBatch)messageExt);
+                result = cb.doAppend(this.getFileFromOffset(), byteBuffer, this.fileSize - currentPos, (MessageExtBatch) messageExt);
             } else {
                 return new AppendMessageResult(AppendMessageStatus.UNKNOWN_ERROR);
             }
@@ -217,16 +219,14 @@ public class MappedFile extends ReferenceResource {
             this.storeTimestamp = result.getStoreTimestamp();
             return result;
         }
-        log.error("MappedFile.appendMessage return null, wrotePosition: {} fileSize: {}", currentPos,  this.fileSize);
+        log.error("MappedFile.appendMessage return null, wrotePosition: {} fileSize: {}", currentPos, this.fileSize);
         return new AppendMessageResult(AppendMessageStatus.UNKNOWN_ERROR);
     }
 
-
     public long getFileFromOffset() {
         return this.fileFromOffset;
     }
 
-
     public boolean appendMessage(final byte[] data) {
         int currentPos = this.wrotePosition.get();
 
@@ -247,10 +247,8 @@ public class MappedFile extends ReferenceResource {
     /**
      * Content of data from offset to offset + length will be wrote to file.
      *
-     * @param data
      * @param offset The offset of the subarray to be used.
      * @param length The length of the subarray to be used.
-     * @return
      */
     public boolean appendMessage(final byte[] data, final int offset, final int length) {
         int currentPos = this.wrotePosition.get();
@@ -270,7 +268,6 @@ public class MappedFile extends ReferenceResource {
     }
 
     /**
-     * @param flushLeastPages
      * @return The current flushed position
      */
     public int flush(final int flushLeastPages) {
@@ -404,7 +401,6 @@ public class MappedFile extends ReferenceResource {
         return null;
     }
 
-
     public SelectMappedBufferResult selectMappedBuffer(int pos) {
         int readPosition = getReadPosition();
         if (pos < readPosition && pos >= 0) {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/MessageArrivingListener.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/MessageArrivingListener.java b/store/src/main/java/org/apache/rocketmq/store/MessageArrivingListener.java
index dee1bc7..bae7a16 100644
--- a/store/src/main/java/org/apache/rocketmq/store/MessageArrivingListener.java
+++ b/store/src/main/java/org/apache/rocketmq/store/MessageArrivingListener.java
@@ -21,5 +21,5 @@ import java.util.Map;
 
 public interface MessageArrivingListener {
     void arriving(String topic, int queueId, long logicOffset, long tagsCode,
-                  long msgStoreTime, byte[] filterBitMap, Map<String, String> properties);
+        long msgStoreTime, byte[] filterBitMap, Map<String, String> properties);
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/MessageFilter.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/MessageFilter.java b/store/src/main/java/org/apache/rocketmq/store/MessageFilter.java
index 6b34758..3dd0fee 100644
--- a/store/src/main/java/org/apache/rocketmq/store/MessageFilter.java
+++ b/store/src/main/java/org/apache/rocketmq/store/MessageFilter.java
@@ -24,22 +24,20 @@ public interface MessageFilter {
      * match by tags code or filter bit map which is calculated when message received
      * and stored in consume queue ext.
      *
-     * @param tagsCode         tagsCode
-     * @param cqExtUnit        extend unit of consume queue
-     * @return
+     * @param tagsCode tagsCode
+     * @param cqExtUnit extend unit of consume queue
      */
     boolean isMatchedByConsumeQueue(final Long tagsCode,
-                                    final ConsumeQueueExt.CqExtUnit cqExtUnit);
+        final ConsumeQueueExt.CqExtUnit cqExtUnit);
 
     /**
      * match by message content which are stored in commit log.
      * <br>{@code msgBuffer} and {@code properties} are not all null.If invoked in store,
      * {@code properties} is null;If invoked in {@code PullRequestHoldService}, {@code msgBuffer} is null.
      *
-     * @param msgBuffer        message buffer in commit log, may be null if not invoked in store.
-     * @param properties       message properties, should decode from buffer if null by yourself.
-     * @return
+     * @param msgBuffer message buffer in commit log, may be null if not invoked in store.
+     * @param properties message properties, should decode from buffer if null by yourself.
      */
     boolean isMatchedByCommitLog(final ByteBuffer msgBuffer,
-                                 final Map<String, String> properties);
+        final Map<String, String> properties);
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/MessageStore.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/MessageStore.java b/store/src/main/java/org/apache/rocketmq/store/MessageStore.java
index 55572ce..907dfe2 100644
--- a/store/src/main/java/org/apache/rocketmq/store/MessageStore.java
+++ b/store/src/main/java/org/apache/rocketmq/store/MessageStore.java
@@ -29,12 +29,14 @@ public interface MessageStore {
 
     /**
      * Load previously stored messages.
+     *
      * @return true if success; false otherwise.
      */
     boolean load();
 
     /**
      * Launch this message store.
+     *
      * @throws Exception if there is any error.
      */
     void start() throws Exception;
@@ -51,6 +53,7 @@ public interface MessageStore {
 
     /**
      * Store a message into store.
+     *
      * @param msg Message instance to store
      * @return result of store operation.
      */
@@ -58,6 +61,7 @@ public interface MessageStore {
 
     /**
      * Store a batch of messages.
+     *
      * @param messageExtBatch Message batch.
      * @return result of storing batch messages.
      */
@@ -80,6 +84,7 @@ public interface MessageStore {
 
     /**
      * Get maximum offset of the topic queue.
+     *
      * @param topic Topic name.
      * @param queueId Queue ID.
      * @return Maximum offset at present.
@@ -88,6 +93,7 @@ public interface MessageStore {
 
     /**
      * Get the minimum offset of the topic queue.
+     *
      * @param topic Topic name.
      * @param queueId Queue ID.
      * @return Minimum offset at present.
@@ -96,6 +102,7 @@ public interface MessageStore {
 
     /**
      * Get the offset of the message in the commit log, which is also known as physical offset.
+     *
      * @param topic Topic of the message to lookup.
      * @param queueId Queue ID.
      * @param consumeQueueOffset offset of consume queue.
@@ -105,6 +112,7 @@ public interface MessageStore {
 
     /**
      * Look up the physical offset of the message whose store timestamp is as specified.
+     *
      * @param topic Topic of the message.
      * @param queueId Queue ID.
      * @param timestamp Timestamp to look up.
@@ -114,6 +122,7 @@ public interface MessageStore {
 
     /**
      * Look up the message by given commit log offset.
+     *
      * @param commitLogOffset physical offset.
      * @return Message whose physical offset is as specified.
      */
@@ -121,6 +130,7 @@ public interface MessageStore {
 
     /**
      * Get one message from the specified commit log offset.
+     *
      * @param commitLogOffset commit log offset.
      * @return wrapped result of the message.
      */
@@ -128,6 +138,7 @@ public interface MessageStore {
 
     /**
      * Get one message from the specified commit log offset.
+     *
      * @param commitLogOffset commit log offset.
      * @param msgSize message size.
      * @return wrapped result of the message.
@@ -136,30 +147,35 @@ public interface MessageStore {
 
     /**
      * Get the running information of this store.
+     *
      * @return message store running info.
      */
     String getRunningDataInfo();
 
     /**
      * Message store runtime information, which should generally contains various statistical information.
+     *
      * @return runtime information of the message store in format of key-value pairs.
      */
     HashMap<String, String> getRuntimeInfo();
 
     /**
      * Get the maximum commit log offset.
+     *
      * @return maximum commit log offset.
      */
     long getMaxPhyOffset();
 
     /**
      * Get the minimum commit log offset.
+     *
      * @return minimum commit log offset.
      */
     long getMinPhyOffset();
 
     /**
      * Get the store time of the earliest message in the given queue.
+     *
      * @param topic Topic of the messages to query.
      * @param queueId Queue ID to find.
      * @return store time of the earliest message.
@@ -168,12 +184,14 @@ public interface MessageStore {
 
     /**
      * Get the store time of the earliest message in this store.
+     *
      * @return timestamp of the earliest message in this store.
      */
     long getEarliestMessageTime();
 
     /**
      * Get the store time of the message specified.
+     *
      * @param topic message topic.
      * @param queueId queue ID.
      * @param consumeQueueOffset consume queue offset.
@@ -183,6 +201,7 @@ public interface MessageStore {
 
     /**
      * Get the total number of the messages in the specified queue.
+     *
      * @param topic Topic
      * @param queueId Queue ID.
      * @return total number.
@@ -191,6 +210,7 @@ public interface MessageStore {
 
     /**
      * Get the raw commit log data starting from the given offset, which should used for replication purpose.
+     *
      * @param offset starting offset.
      * @return commit log data.
      */
@@ -198,6 +218,7 @@ public interface MessageStore {
 
     /**
      * Append data to commit log.
+     *
      * @param startOffset starting offset.
      * @param data data to append.
      * @return true if success; false otherwise.
@@ -211,36 +232,40 @@ public interface MessageStore {
 
     /**
      * Query messages by given key.
+     *
      * @param topic topic of the message.
      * @param key message key.
      * @param maxNum maximum number of the messages possible.
      * @param begin begin timestamp.
      * @param end end timestamp.
-     * @return
      */
     QueryMessageResult queryMessage(final String topic, final String key, final int maxNum, final long begin,
         final long end);
 
     /**
      * Update HA master address.
+     *
      * @param newAddr new address.
      */
     void updateHaMasterAddress(final String newAddr);
 
     /**
      * Return how much the slave falls behind.
+     *
      * @return number of bytes that slave falls behind.
      */
     long slaveFallBehindMuch();
 
     /**
      * Return the current timestamp of the store.
+     *
      * @return current time in milliseconds since 1970-01-01.
      */
     long now();
 
     /**
      * Clean unused topics.
+     *
      * @param topics all valid topics.
      * @return number of the topics deleted.
      */
@@ -253,6 +278,7 @@ public interface MessageStore {
 
     /**
      * Check if the given message has been swapped out of the memory.
+     *
      * @param topic topic.
      * @param queueId queue ID.
      * @param consumeOffset consume queue offset.
@@ -262,18 +288,21 @@ public interface MessageStore {
 
     /**
      * Get number of the bytes that have been stored in commit log and not yet dispatched to consume queue.
+     *
      * @return number of the bytes to dispatch.
      */
     long dispatchBehindBytes();
 
     /**
      * Flush the message store to persist all data.
+     *
      * @return maximum offset flushed to persistent storage device.
      */
     long flush();
 
     /**
      * Reset written offset.
+     *
      * @param phyOffset new offset.
      * @return true if success; false otherwise.
      */
@@ -281,42 +310,49 @@ public interface MessageStore {
 
     /**
      * Get confirm offset.
+     *
      * @return confirm offset.
      */
     long getConfirmOffset();
 
     /**
      * Set confirm offset.
+     *
      * @param phyOffset confirm offset to set.
      */
     void setConfirmOffset(long phyOffset);
 
     /**
      * Check if the operation system page cache is busy or not.
+     *
      * @return true if the OS page cache is busy; false otherwise.
      */
     boolean isOSPageCacheBusy();
 
     /**
      * Get lock time in milliseconds of the store by far.
+     *
      * @return lock time in milliseconds.
      */
     long lockTimeMills();
 
     /**
      * Check if the transient store pool is deficient.
+     *
      * @return true if the transient store pool is running out; false otherwise.
      */
     boolean isTransientStorePoolDeficient();
 
     /**
      * Get the dispatcher list.
+     *
      * @return list of the dispatcher.
      */
     LinkedList<CommitLogDispatcher> getDispatcherList();
 
     /**
      * Get consume queue of the topic/queue.
+     *
      * @param topic Topic.
      * @param queueId Queue ID.
      * @return Consume queue.

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/PutMessageLock.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/PutMessageLock.java b/store/src/main/java/org/apache/rocketmq/store/PutMessageLock.java
index a03e41a..758f437 100644
--- a/store/src/main/java/org/apache/rocketmq/store/PutMessageLock.java
+++ b/store/src/main/java/org/apache/rocketmq/store/PutMessageLock.java
@@ -21,5 +21,6 @@ package org.apache.rocketmq.store;
  */
 public interface PutMessageLock {
     void lock();
+
     void unlock();
 }

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/PutMessageReentrantLock.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/PutMessageReentrantLock.java b/store/src/main/java/org/apache/rocketmq/store/PutMessageReentrantLock.java
index 9198f1c..9aa80d8 100644
--- a/store/src/main/java/org/apache/rocketmq/store/PutMessageReentrantLock.java
+++ b/store/src/main/java/org/apache/rocketmq/store/PutMessageReentrantLock.java
@@ -16,7 +16,6 @@
  */
 package org.apache.rocketmq.store;
 
-
 import java.util.concurrent.locks.ReentrantLock;
 
 /**

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/PutMessageSpinLock.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/PutMessageSpinLock.java b/store/src/main/java/org/apache/rocketmq/store/PutMessageSpinLock.java
index baa809d..39a32cc 100644
--- a/store/src/main/java/org/apache/rocketmq/store/PutMessageSpinLock.java
+++ b/store/src/main/java/org/apache/rocketmq/store/PutMessageSpinLock.java
@@ -16,12 +16,10 @@
  */
 package org.apache.rocketmq.store;
 
-
 import java.util.concurrent.atomic.AtomicBoolean;
 
 /**
  * Spin lock Implementation to put message, suggest using this witb low race conditions
- *
  */
 public class PutMessageSpinLock implements PutMessageLock {
     //true: Can lock, false : in lock.

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/RunningFlags.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/RunningFlags.java b/store/src/main/java/org/apache/rocketmq/store/RunningFlags.java
index 3dcd861..7ff11a2 100644
--- a/store/src/main/java/org/apache/rocketmq/store/RunningFlags.java
+++ b/store/src/main/java/org/apache/rocketmq/store/RunningFlags.java
@@ -28,7 +28,6 @@ public class RunningFlags {
 
     private static final int DISK_FULL_BIT = 1 << 4;
 
-
     private volatile int flagBits = 0;
 
     public RunningFlags() {

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/config/MessageStoreConfig.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/config/MessageStoreConfig.java b/store/src/main/java/org/apache/rocketmq/store/config/MessageStoreConfig.java
index 19ed211..02aa84a 100644
--- a/store/src/main/java/org/apache/rocketmq/store/config/MessageStoreConfig.java
+++ b/store/src/main/java/org/apache/rocketmq/store/config/MessageStoreConfig.java
@@ -143,7 +143,6 @@ public class MessageStoreConfig {
     private int transientStorePoolSize = 5;
     private boolean fastFailIfNoBufferInStorePool = false;
 
-
     public boolean isDebugLockEnable() {
         return debugLockEnable;
     }
@@ -605,7 +604,8 @@ public class MessageStoreConfig {
     }
 
     /**
-     * Enable transient commitLog store poll only if transientStorePoolEnable is true and the FlushDiskType is ASYNC_FLUSH
+     * Enable transient commitLog store poll only if transientStorePoolEnable is true and the FlushDiskType is
+     * ASYNC_FLUSH
      *
      * @return <tt>true</tt> or <tt>false</tt>
      */

http://git-wip-us.apache.org/repos/asf/incubator-rocketmq/blob/97aa813e/store/src/main/java/org/apache/rocketmq/store/ha/HAConnection.java
----------------------------------------------------------------------
diff --git a/store/src/main/java/org/apache/rocketmq/store/ha/HAConnection.java b/store/src/main/java/org/apache/rocketmq/store/ha/HAConnection.java
index e0c51a1..8b97504 100644
--- a/store/src/main/java/org/apache/rocketmq/store/ha/HAConnection.java
+++ b/store/src/main/java/org/apache/rocketmq/store/ha/HAConnection.java
@@ -78,7 +78,6 @@ public class HAConnection {
         return socketChannel;
     }
 
-
     class ReadSocketService extends ServiceThread {
         private static final int READ_MAX_BUFFER_SIZE = 1024 * 1024;
         private final Selector selector;
@@ -191,7 +190,6 @@ public class HAConnection {
         }
     }
 
-
     class WriteSocketService extends ServiceThread {
         private final Selector selector;
         private final SocketChannel socketChannel;
@@ -327,7 +325,6 @@ public class HAConnection {
             HAConnection.log.info(this.getServiceName() + " service end");
         }
 
-
         private boolean transferData() throws Exception {
             int writeSizeZeroTimes = 0;
             // Write Header