driver30.java

derby database source code.good for you.

/*

   Derby - Class org.apache.derby.jdbc.Driver30

   Copyright 2001, 2004 The Apache Software Foundation or its licensors, as applicable.

   Licensed 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 org.apache.derby.jdbc;

import org.apache.derby.impl.jdbc.EmbedConnection;

import org.apache.derby.iapi.services.sanity.SanityManager;

import org.apache.derby.iapi.sql.conn.LanguageConnectionContext;
import org.apache.derby.iapi.error.StandardException;
import org.apache.derby.iapi.jdbc.BrokeredConnection;
import org.apache.derby.iapi.jdbc.BrokeredConnection30;
import org.apache.derby.iapi.jdbc.BrokeredConnectionControl;
import java.sql.Connection;
import java.sql.SQLException;
import org.apache.derby.impl.jdbc.*;

import java.util.Properties;

/**
	This class extends the local20 JDBC driver in order to determine at JBMS
	boot-up if the JVM that runs us does support JDBC 3.0. If it is the case
	then we will load the appropriate class(es) that have JDBC 3.0 new public
	methods and sql types.
 
*/

public class Driver30 extends Driver20 {

	/**
 	 * Get a new nested connection.
	 *
	 * @param conn	The EmbedConnection.
	 *
	 * @return A nested connection object.
	 *
	 */
	public Connection getNewNestedConnection(EmbedConnection conn)
	{
		if (SanityManager.DEBUG)
		{
			SanityManager.ASSERT(conn instanceof EmbedConnection30,
				"conn expected to be instanceof EmbedConnection30");
		}
		return new EmbedConnection30(conn);
	}

	/*
		Methods to be overloaded in sub-implementations such as
		a tracing driver.
  */
	public EmbedConnection getNewEmbedConnection(String url, Properties info)
		 throws SQLException 
	{
		return new EmbedConnection30(this, url, info);
	}

	/**
	 	@exception SQLException if fails to create statement
	 */
	public java.sql.PreparedStatement
	newEmbedPreparedStatement (
			EmbedConnection conn,
			String stmt,
			boolean forMetaData,
			int resultSetType,
			int resultSetConcurrency,
			int resultSetHoldability,
			int autoGeneratedKeys,
			int[] columnIndexes,
			String[] columnNames)
    throws SQLException
	{
		return new EmbedPreparedStatement30(conn,
								stmt,
								forMetaData,
								resultSetType,
								resultSetConcurrency,
								resultSetHoldability,
								autoGeneratedKeys,
								columnIndexes,
								columnNames);
	}

	/**
	 	@exception SQLException if fails to create statement
	 */
	public java.sql.CallableStatement
	newEmbedCallableStatement(
			EmbedConnection conn,
			String stmt,
			int resultSetType,
			int resultSetConcurrency,
			int resultSetHoldability)
    throws SQLException
	{
		return new EmbedCallableStatement30(conn,
								stmt,
								resultSetType,
								resultSetConcurrency,
								resultSetHoldability);
	}
	public BrokeredConnection newBrokeredConnection(BrokeredConnectionControl control) {

		return new BrokeredConnection30(control);
	}
}