refactor

src/main/java/com/alibaba/druid/hdriver/HConnection.java

@@ -3,10 +3,12 @@ package com.alibaba.druid.hdriver;
 import java.sql.Connection;
 import java.sql.SQLException;
 
-import com.alibaba.druid.hdriver.impl.HPreparedStatementImpl;
+import com.alibaba.druid.hdriver.impl.mapping.HMapping;
 
 public interface HConnection extends Connection {
-    HPreparedStatementImpl prepareStatement(String sql) throws SQLException;
+    HPreparedStatement prepareStatement(String sql) throws SQLException;
+    
+    HPreparedStatement prepareStatement(String sql, HMapping mapping) throws SQLException;
     
     HStatement createStatement() throws SQLException;;
 }

src/main/java/com/alibaba/druid/hdriver/impl/HBaseConnectionImpl.java

@@ -21,7 +21,9 @@ import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.client.HTableInterface;
 
 import com.alibaba.druid.hdriver.HConnection;
+import com.alibaba.druid.hdriver.HPreparedStatement;
 import com.alibaba.druid.hdriver.HStatement;
+import com.alibaba.druid.hdriver.impl.mapping.HMapping;
 import com.alibaba.druid.util.jdbc.ConnectionBase;
 
 public class HBaseConnectionImpl extends ConnectionBase implements HConnection {
@@ -47,7 +49,7 @@ public class HBaseConnectionImpl extends ConnectionBase implements HConnection {
 
     @Override
     public void commit() throws SQLException {
-
+        throw new SQLFeatureNotSupportedException();
     }
 
     @Override
@@ -77,7 +79,7 @@ public class HBaseConnectionImpl extends ConnectionBase implements HConnection {
 
     @Override
     public HStatement createStatement() throws SQLException {
-        return new HStatementImpl(this);
+        throw new SQLFeatureNotSupportedException();
     }
 
     @Override
@@ -108,7 +110,7 @@ public class HBaseConnectionImpl extends ConnectionBase implements HConnection {
 
     @Override
     public DatabaseMetaData getMetaData() throws SQLException {
-        return null;
+        throw new SQLFeatureNotSupportedException();
     }
 
     @Override
@@ -196,7 +198,7 @@ public class HBaseConnectionImpl extends ConnectionBase implements HConnection {
 
     @Override
     public void rollback() throws SQLException {
-
+        throw new SQLFeatureNotSupportedException();
     }
 
     @Override
@@ -250,4 +252,9 @@ public class HBaseConnectionImpl extends ConnectionBase implements HConnection {
         return engine.getHTable(tableName);
     }
 
+    @Override
+    public HPreparedStatement prepareStatement(String sql, HMapping mapping) throws SQLException {
+        throw new SQLFeatureNotSupportedException();
+    }
+
 }

src/main/java/com/alibaba/druid/hdriver/impl/mapping/HMappingAdapter.java

@@ -0,0 +1,33 @@
+package com.alibaba.druid.hdriver.impl.mapping;
+
+import org.apache.hadoop.hbase.client.Result;
+import org.apache.hadoop.hbase.util.Bytes;
+
+public abstract class HMappingAdapter implements HMapping {
+
+    @Override
+    public byte[] getQualifier(String columnName) {
+        return Bytes.toBytes(columnName);
+    }
+
+    @Override
+    public byte[] getRow(Result result, String columnName) {
+        return result.getRow();
+    }
+
+    @Override
+    public Object getObject(Result result, String columnName) {
+        byte[] family = this.getFamily(columnName);
+
+        byte[] bytes;
+        if (isRow(columnName)) {
+            bytes = getRow(result, columnName);
+        } else {
+            byte[] qualifier = Bytes.toBytes(columnName);
+            bytes = result.getValue(family, qualifier);
+        }
+
+        return bytes;
+    }
+
+}

src/main/java/com/alibaba/druid/hdriver/impl/mapping/HMappingDefaultImpl.java

@@ -1,9 +1,8 @@
 package com.alibaba.druid.hdriver.impl.mapping;
 
-import org.apache.hadoop.hbase.client.Result;
 import org.apache.hadoop.hbase.util.Bytes;
 
-public class HMappingDefaultImpl implements HMapping {
+public class HMappingDefaultImpl extends HMappingAdapter implements HMapping {
 
     private byte[] family    = Bytes.toBytes("d");
     private String rowColumn = "id";
@@ -24,34 +23,10 @@ public class HMappingDefaultImpl implements HMapping {
         this.rowColumn = rowColumn;
     }
 
-    @Override
-    public Object getObject(Result result, String columnName) {
-        byte[] family = this.getFamily(columnName);
-
-        byte[] bytes;
-        if (isRow(columnName)) {
-            bytes = getRow(result, columnName);
-        } else {
-            byte[] qualifier = Bytes.toBytes(columnName);
-            bytes = result.getValue(family, qualifier);
-        }
-
-        return bytes;
-    }
-
     public byte[] getFamily(String columnName) {
         return family;
     }
 
-    public byte[] getRow(Result result, String columnName) {
-        return result.getRow();
-    }
-
-    @Override
-    public byte[] getQualifier(String columnName) {
-        return Bytes.toBytes(columnName);
-    }
-
     @Override
     public boolean isRow(String columnName) {
         if (rowColumn.equals(columnName)) {