refactor

src/main/java/com/alibaba/druid/hbase/mapping/HMapping.java

@@ -8,6 +8,8 @@ public interface HMapping {
 
     byte[] getQualifier(String columnName);
     
+    byte[] getRow(Result result, String columnName);
+    
     boolean isRow(String columnName);
 
     Object getObject(Result result, String name);

src/main/java/com/alibaba/druid/hbase/mapping/HMappingDefaultImpl.java

@@ -13,7 +13,7 @@ public class HMappingDefaultImpl implements HMapping {
 
         byte[] bytes;
         if (isRow(columnName)) {
-            bytes = result.getRow();
+            bytes = getRow(result, columnName);
         } else {
             byte[] qualifier = Bytes.toBytes(columnName);
             bytes = result.getValue(family, qualifier);
@@ -25,6 +25,10 @@ public class HMappingDefaultImpl implements HMapping {
     public byte[] getFamily(String columnName) {
         return family;
     }
+    
+    public byte[] getRow(Result result, String columnName) {
+        return result.getRow();
+    }
 
     @Override
     public byte[] getQualifier(String columnName) {