format code

parse/src/main/java/com/alibaba/otter/canal/parse/inbound/mysql/MysqlConnection.java

@@ -42,19 +42,19 @@ import com.taobao.tddl.dbsync.binlog.event.FormatDescriptionLogEvent;
 
 public class MysqlConnection implements ErosaConnection {
 
-    private static final Logger logger         = LoggerFactory.getLogger(MysqlConnection.class);
+    private static final Logger logger             = LoggerFactory.getLogger(MysqlConnection.class);
 
     private MysqlConnector      connector;
     private long                slaveId;
-    private Charset             charset        = Charset.forName("UTF-8");
+    private Charset             charset            = Charset.forName("UTF-8");
     private BinlogFormat        binlogFormat;
     private BinlogImage         binlogImage;
 
     // tsdb releated
     private AuthenticationInfo  authInfo;
-    protected int               connTimeout    = 5 * 1000;                                      // 5秒
-    protected int               soTimeout      = 60 * 60 * 1000;                                // 1小时
-    private int                 binlogChecksum = LogEvent.BINLOG_CHECKSUM_ALG_OFF;
+    protected int               connTimeout        = 5 * 1000;                                      // 5秒
+    protected int               soTimeout          = 60 * 60 * 1000;                                // 1小时
+    private int                 binlogChecksum     = LogEvent.BINLOG_CHECKSUM_ALG_OFF;
     // dump binlog bytes, 暂不包括meta与TSDB
     private AtomicLong          receivedBinlogBytes;
     private boolean             compatiablePercona = false;
@@ -223,7 +223,7 @@ public class MysqlConnection implements ErosaConnection {
                 List<LogEvent> iterateEvents = decoder.processIterateDecode(event, context);
                 if (!iterateEvents.isEmpty()) {
                     // 处理compress event
-                    for(LogEvent itEvent : iterateEvents) {
+                    for (LogEvent itEvent : iterateEvents) {
                         if (!func.sink(event)) {
                             break;
                         }
@@ -480,13 +480,13 @@ public class MysqlConnection implements ErosaConnection {
         }
 
         /**
-         * MASTER_HEARTBEAT_PERIOD sets the interval in seconds between
-         * replication heartbeats. Whenever the master's binary log is updated
-         * with an event, the waiting period for the next heartbeat is reset.
-         * interval is a decimal value having the range 0 to 4294967 seconds and
-         * a resolution in milliseconds; the smallest nonzero value is 0.001.
-         * Heartbeats are sent by the master only if there are no unsent events
-         * in the binary log file for a period longer than interval.
+         * MASTER_HEARTBEAT_PERIOD sets the interval in seconds between replication
+         * heartbeats. Whenever the master's binary log is updated with an event, the
+         * waiting period for the next heartbeat is reset. interval is a decimal value
+         * having the range 0 to 4294967 seconds and a resolution in milliseconds; the
+         * smallest nonzero value is 0.001. Heartbeats are sent by the master only if
+         * there are no unsent events in the binary log file for a period longer than
+         * interval.
          */
         try {
             long periodNano = TimeUnit.SECONDS.toNanos(MASTER_HEARTBEAT_PERIOD_SECONDS);
@@ -509,7 +509,8 @@ public class MysqlConnection implements ErosaConnection {
 
         List<String> columnValues = rs.getFieldValues();
         if (columnValues == null || columnValues.size() != 2) {
-            logger.warn("unexpected binlog format query result, this may cause unexpected result, so throw exception to request network to io shutdown.");
+            logger.warn(
+                "unexpected binlog format query result, this may cause unexpected result, so throw exception to request network to io shutdown.");
             throw new IllegalStateException("unexpected binlog format query result:" + rs.getFieldValues());
         }
 
@@ -577,11 +578,10 @@ public class MysqlConnection implements ErosaConnection {
         try {
             rs = query("select @@version_comment");
             List<String> columnValues = rs.getFieldValues();
-            if (columnValues != null && columnValues.size() >= 1 && columnValues.get(0) != null){
-                logger.warn("--> loadVersionComment(), select @@version_comment : " + columnValues.get(0));
-                if(StringUtils.containsIgnoreCase(columnValues.get(0),"Percona")){
+            if (columnValues != null && columnValues.size() >= 1 && columnValues.get(0) != null) {
+                logger.warn("load MySQL @@version_comment : " + columnValues.get(0));
+                if (StringUtils.containsIgnoreCase(columnValues.get(0), "Percona")) {
                     compatiablePercona = true;
-                    logger.warn("--> loadVersionComment(), set compatiablePercona = true");
                 }
             }
         } catch (Throwable e) {