Copyright (c) 2013, 2016, Oracle and/or its affiliates. All rights reserved.

  The MySQL Connector/J is licensed under the terms of the GPLv2
  <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most MySQL Connectors.
  There are special exceptions to the terms and conditions of the GPLv2 as it is applied to
  this software, see the FOSS License Exception

  This program is free software; you can redistribute it and/or modify it under the terms
  of the GNU General Public License as published by the Free Software Foundation; version 2
  of the License.

  This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
  without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the GNU General Public License for more details.

  You should have received a copy of the GNU General Public License along with this
  program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth
  Floor, Boston, MA 02110-1301  USA


package com.mysql.fabric.jdbc;

import java.sql.Array;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.Clob;
import java.sql.DatabaseMetaData;
import java.sql.NClob;
import java.sql.PreparedStatement;
import java.sql.SQLClientInfoException;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.SQLXML;
import java.sql.Statement;
import java.sql.Savepoint;
import java.sql.Struct;
import java.util.Calendar;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Properties;
import java.util.TimerTask;
import java.util.Timer;
import java.util.TimeZone;
import java.util.concurrent.Executor;

import com.mysql.jdbc.Buffer;
import com.mysql.jdbc.CachedResultSetMetaData;
import com.mysql.jdbc.Connection;
import com.mysql.jdbc.ConnectionProperties;
import com.mysql.jdbc.ConnectionPropertiesImpl;
import com.mysql.jdbc.ExceptionInterceptor;
import com.mysql.jdbc.Extension;
import com.mysql.jdbc.Field;
import com.mysql.jdbc.JDBC4Connection;
import com.mysql.jdbc.JDBC4ClientInfoProvider;
import com.mysql.jdbc.JDBC4MySQLConnection;
import com.mysql.jdbc.MySQLConnection;
import com.mysql.jdbc.MysqlIO;
import com.mysql.jdbc.NonRegisteringDriver;
import com.mysql.jdbc.ResultSetInternalMethods;
import com.mysql.jdbc.ServerPreparedStatement;
import com.mysql.jdbc.SingleByteCharsetConverter;
import com.mysql.jdbc.SQLError;
import com.mysql.jdbc.StatementImpl;
import com.mysql.jdbc.StatementInterceptorV2;
import com.mysql.jdbc.log.Log;

import com.mysql.fabric.FabricCommunicationException;
import com.mysql.fabric.FabricConnection;
import com.mysql.fabric.Server;
import com.mysql.fabric.ServerGroup;
import com.mysql.fabric.ServerMode;
import com.mysql.fabric.ShardMapping;

 * Limitations:
 * <ul>
 * <li>One shard table can be specified</li>
 * <li>One shard key can be specified</li>
 * </ul>
public class JDBC4FabricMySQLConnectionProxy extends FabricMySQLConnectionProxy implements JDBC4FabricMySQLConnection, FabricMySQLConnectionProperties {

    private static final long serialVersionUID = 5845485979107347258L;

    private FabricConnection fabricConnection;

    public JDBC4FabricMySQLConnectionProxy(Properties props) throws SQLException {

    public Blob createBlob() {
        try {
            return getActiveConnection().createBlob();
        } catch (SQLException ex) {
            throw new RuntimeException(ex);

    public Clob createClob() {
        try {
            return getActiveConnection().createClob();
        } catch (SQLException ex) {
            throw new RuntimeException(ex);

    public NClob createNClob() {
        try {
            return getActiveConnection().createNClob();
        } catch (SQLException ex) {
            throw new RuntimeException(ex);

    public SQLXML createSQLXML() throws SQLException {
        return getActiveConnection().createSQLXML();

    public void setClientInfo(Properties properties) throws SQLClientInfoException {
        for (Connection c : serverConnections.values())

    public void setClientInfo(String name, String value) throws SQLClientInfoException {
        for (Connection c : serverConnections.values())
            c.setClientInfo(name, value);

    public java.sql.Array createArrayOf(String typeName, Object[] elements) throws SQLException {
        return getActiveConnection().createArrayOf(typeName, elements);

    public Struct createStruct(String typeName, Object[] attributes) throws SQLException {
        return getActiveConnection().createStruct(typeName, attributes);

    public JDBC4ClientInfoProvider getClientInfoProviderImpl() throws SQLException {
        return ((JDBC4MySQLConnection) getActiveConnection()).getClientInfoProviderImpl();