/*

 * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * questions.

 */

package javax.sql;

import java.sql.SQLException;

import java.io.PrintWriter;

import java.sql.SQLFeatureNotSupportedException;

import java.util.logging.Logger;

/**

 * Interface that defines the methods which are common between <code>DataSource</code>,

 * <code>XADataSource</code> and <code>ConnectionPoolDataSource</code>.

 *

 */

public interface CommonDataSource {

    /**

     * <p>Retrieves the log writer for this <code>DataSource</code>

     * object.

     *

     * <p>The log writer is a character output stream to which all logging

     * and tracing messages for this data source will be

     * printed.  This includes messages printed by the methods of this

     * object, messages printed by methods of other objects manufactured

     * by this object, and so on.  Messages printed to a data source

     * specific log writer are not printed to the log writer associated

     * with the <code>java.sql.DriverManager</code> class.  When a

     * <code>DataSource</code> object is

     * created, the log writer is initially null; in other words, the

     * default is for logging to be disabled.

     *

     * @return the log writer for this data source or null if

     *        logging is disabled

     * @exception java.sql.SQLException if a database access error occurs

     * @see #setLogWriter

     * @since 1.4

     */

    java.io.PrintWriter getLogWriter() throws SQLException;

    /**

     * <p>Sets the log writer for this <code>DataSource</code>

     * object to the given <code>java.io.PrintWriter</code> object.

     *

     * <p>The log writer is a character output stream to which all logging

     * and tracing messages for this data source will be

     * printed.  This includes messages printed by the methods of this

     * object, messages printed by methods of other objects manufactured

     * by this object, and so on.  Messages printed to a data source-

     * specific log writer are not printed to the log writer associated

     * with the <code>java.sql.DriverManager</code> class. When a

     * <code>DataSource</code> object is created the log writer is

     * initially null; in other words, the default is for logging to be

     * disabled.

     *

     * @param out the new log writer; to disable logging, set to null

     * @exception SQLException if a database access error occurs

     * @see #getLogWriter

     * @since 1.4

     */

    void setLogWriter(java.io.PrintWriter out) throws SQLException;

    /**

     * <p>Sets the maximum time in seconds that this data source will wait

     * while attempting to connect to a database.  A value of zero

     * specifies that the timeout is the default system timeout

     * if there is one; otherwise, it specifies that there is no timeout.

     * When a <code>DataSource</code> object is created, the login timeout is

     * initially zero.

     *

     * @param seconds the data source login time limit

     * @exception SQLException if a database access error occurs.

     * @see #getLoginTimeout

     * @since 1.4

     */

    void setLoginTimeout(int seconds) throws SQLException;

    /**

     * Gets the maximum time in seconds that this data source can wait

     * while attempting to connect to a database.  A value of zero

     * means that the timeout is the default system timeout

     * if there is one; otherwise, it means that there is no timeout.

     * When a <code>DataSource</code> object is created, the login timeout is

     * initially zero.

     *

     * @return the data source login time limit

     * @exception SQLException if a database access error occurs.

     * @see #setLoginTimeout

     * @since 1.4

     */

    int getLoginTimeout() throws SQLException;

    //------------------------- JDBC 4.1 -----------------------------------

    /**

     * Return the parent Logger of all the Loggers used by this data source. This

     * should be the Logger farthest from the root Logger that is

     * still an ancestor of all of the Loggers used by this data source. Configuring

     * this Logger will affect all of the log messages generated by the data source.

     * In the worst case, this may be the root Logger.

     *

     * @return the parent Logger for this data source

     * @throws SQLFeatureNotSupportedException if the data source does not use

     * {@code java.util.logging}

     * @since 1.7

     */

    public Logger getParentLogger() throws SQLFeatureNotSupportedException;

}