Extension.java
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/*
Copyright (c) 2007, 2014, 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
<http://www.mysql.com/about/legal/licensing/foss-exception.html>.
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.jdbc;
import java.sql.SQLException;
import java.util.Properties;
public interface Extension {
/**
* Called once per connection that wants to use the extension
*
* The properties are the same ones passed in in the URL or arguments to
* Driver.connect() or DriverManager.getConnection().
*
* @param conn
* the connection for which this extension is being created
* @param props
* configuration values as passed to the connection. Note that
* in order to support javax.sql.DataSources, configuration properties specific
* to an interceptor <strong>must</strong> be passed via setURL() on the
* DataSource. Extension properties are not exposed via
* accessor/mutator methods on DataSources.
*
* @throws SQLException
* should be thrown if the the Extension
* can not initialize itself.
*/
public abstract void init(Connection conn, Properties props) throws SQLException;
/**
* Called by the driver when this extension should release any resources
* it is holding and cleanup internally before the connection is
* closed.
*/
public abstract void destroy();
}