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JDBC Driver for Accessing Treasure Data
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package com.treasuredata.jdbc;
import com.treasuredata.jdbc.command.ClientAPI;
import com.treasuredata.jdbc.command.TDClientAPI;
import com.treasure_data.model.Database;
import java.sql.Array;
import java.sql.Blob;
import java.sql.CallableStatement;
import java.sql.Clob;
import java.sql.Connection;
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.Savepoint;
import java.sql.Statement;
import java.sql.Struct;
import java.util.Map;
import java.util.Properties;
public class TDConnection
implements Connection, Constants
{
private final Config config;
private boolean autoCommit = false;
private boolean readOnly = false;
private ClientAPI api;
private Database database;
private int maxRows = 5000;
private SQLWarning warnings = null;
public TDConnection()
throws SQLException {
this(new ConfigBuilder().createConnectionConfig());
}
public TDConnection(String url, Properties props)
throws SQLException {
this(Config.newConfig(url, props));
}
public TDConnection(Config config)
throws SQLException {
this.config = config;
// create a Database object
database = new Database(config.database);
// create a ClientAPI object
api = new TDClientAPI(this);
}
public Config getConfig()
{
return config;
}
public ClientAPI getClientAPI()
{
return api;
}
public Database getDatabase()
{
return database;
}
public int getMaxRows()
{
return maxRows;
}
public void clearWarnings()
throws SQLException
{
warnings = null;
}
public SQLWarning getWarnings()
throws SQLException
{
return warnings;
}
public void setWarning(SQLWarning w)
throws SQLException
{
if (w == null) {
throw new SQLException("a SQLWarning object is null");
}
if (warnings == null) {
warnings = w;
}
else {
warnings.setNextWarning(w);
}
}
public void close()
throws SQLException
{
// basically ignore
try {
api.close();
}
catch (Exception e) {
throw new SQLException(e);
}
}
public boolean isClosed()
throws SQLException
{
return false;
}
public void commit()
throws SQLException
{
// ignore
}
public Array createArrayOf(String typeName, Object[] elements)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#createArrayOf(String, Object[])"));
}
public Blob createBlob()
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#createBlob()"));
}
public Clob createClob()
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#createClob()"));
}
public NClob createNClob()
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#createNClob()"));
}
public SQLXML createSQLXML()
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#createSQLXML()"));
}
/**
* Creates a Statement object for sending SQL statements to the database.
*
* @throws SQLException if a database access error occurs.
* @see java.sql.Connection#createStatement()
*/
public Statement createStatement()
throws SQLException
{
// *skip* checking if database is null or not. It is because
// it was processed when creating a connection.
return new TDStatement(this);
}
public Statement createStatement(int resultSetType, int resultSetConcurrency)
throws SQLException
{
return createStatement();
}
public Statement createStatement(int resultSetType,
int resultSetConcurrency, int resultSetHoldability)
throws SQLException
{
return createStatement();
}
public Struct createStruct(String typeName, Object[] attributes)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#createStruct(String, Object[])"));
}
public boolean getAutoCommit()
throws SQLException
{
return autoCommit;
}
public String getCatalog()
throws SQLException
{
return "";
}
public Properties getClientInfo()
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#getClientInfo()"));
}
public String getClientInfo(String name)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#getClientInfo(String)"));
}
public int getHoldability()
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#getHoldability()"));
}
public DatabaseMetaData getMetaData()
throws SQLException
{
return new TDDatabaseMetaData(database, getClientAPI());
}
public int getTransactionIsolation()
throws SQLException
{
return Connection.TRANSACTION_NONE;
}
public Map> getTypeMap()
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#getTypeMap()"));
}
public boolean isReadOnly()
throws SQLException
{
return readOnly;
}
public boolean isValid(int timeout)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#isValid(int)"));
}
public String nativeSQL(String sql)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#nativeSQL(String)"));
}
public CallableStatement prepareCall(String sql)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#prepareCall(String)"));
}
public CallableStatement prepareCall(String sql, int resultSetType,
int resultSetConcurrency)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#prepareCall(String, int, int)"));
}
public CallableStatement prepareCall(String sql, int resultSetType,
int resultSetConcurrency, int resultSetHoldability)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#prepareCall(String, int, int, int)"));
}
public PreparedStatement prepareStatement(String sql)
throws SQLException
{
return new TDPreparedStatement(this, sql);
}
public PreparedStatement prepareStatement(String sql, int autoGeneratedKeys)
throws SQLException
{
return prepareStatement(sql);
}
public PreparedStatement prepareStatement(String sql, int[] columnIndexes)
throws SQLException
{
return prepareStatement(sql);
}
public PreparedStatement prepareStatement(String sql, String[] columnNames)
throws SQLException
{
return prepareStatement(sql);
}
public PreparedStatement prepareStatement(String sql, int resultSetType,
int resultSetConcurrency)
throws SQLException
{
// TODO required by WingArc
return prepareStatement(sql);
}
public PreparedStatement prepareStatement(String sql, int resultSetType,
int resultSetConcurrency, int resultSetHoldability)
throws SQLException
{
return prepareStatement(sql);
}
public void releaseSavepoint(Savepoint savepoint)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#releaseSavepoint(Savepoint)"));
}
public void rollback()
throws SQLException
{
// ignore
}
public void rollback(Savepoint savepoint)
throws SQLException
{
// ignore
}
public void setAutoCommit(boolean autoCommit)
throws SQLException
{
this.autoCommit = autoCommit;
}
public void setCatalog(String catalog)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#setCatalog(String)"));
}
public void setClientInfo(Properties properties)
throws SQLClientInfoException
{
throw new SQLClientInfoException(
"Method not supported: TDConnection#setClientInfo(Properties)",
null);
}
public void setClientInfo(String name, String value)
throws SQLClientInfoException
{
throw new SQLClientInfoException(
"Method not supported: TDConnection#setClientInfo(String, String)",
null);
}
public void setHoldability(int holdability)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#setHoldability()"));
}
public void setReadOnly(boolean readOnly)
throws SQLException
{
this.readOnly = readOnly;
}
public Savepoint setSavepoint()
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#setSavepoint()"));
}
public Savepoint setSavepoint(String name)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#setSavepoint(String)"));
}
public void setTransactionIsolation(int level)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#setTransactionIsolation(int)"));
}
public void setTypeMap(Map> map)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#setTypeMap(Map)"));
}
public boolean isWrapperFor(Class iface)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#isWrapperFor(Class)"));
}
public T unwrap(Class iface)
throws SQLException
{
throw new SQLException(new UnsupportedOperationException(
"TDConnection#unwrap(Class)"));
}
}