fix style issue

Author: wangzw

src/main/java/cn/hashdata/bireme/Dispatcher.java

@@ -75,8 +75,8 @@ private boolean insertRowSet() {
     HashMap<String, ArrayList<Row>> bucket = rowSet.rowBucket;
     boolean complete = true;
 
-    ArrayList < Entry < String, ArrayList<Row>>> entrySet = new ArrayList < Entry < String,
-                                                 ArrayList<Row>>>();
+    ArrayList<Entry<String, ArrayList<Row>>> entrySet =
+        new ArrayList<Entry<String, ArrayList<Row>>>();
     entrySet.addAll(bucket.entrySet());
 
     for (Entry<String, ArrayList<Row>> entry : entrySet) {

src/main/java/cn/hashdata/bireme/PipeLineStat.java

@@ -93,12 +93,10 @@ public Long getValue() {
    */
   public void addGaugeForCache(String table, RowCache cache) {
     Gauge<Long> gauge = new Gauge<Long>() {
-
       @Override
       public Long getValue() {
         return (long) cache.rows.size();
       }
-
     };
 
     cacheSize.put(table, gauge);